diff options
Diffstat (limited to 'arch')
357 files changed, 3925 insertions, 4136 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4409561ea32..e7baca29f3f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -21,6 +21,10 @@ config ARM config SYS_SUPPORTS_APM_EMULATION bool +config GENERIC_GPIO + bool + default n + config GENERIC_TIME bool default n @@ -163,6 +167,7 @@ config ARCH_VERSATILE config ARCH_AT91 bool "Atmel AT91" + select GENERIC_GPIO help This enables support for systems based on the Atmel AT91RM9200 and AT91SAM9xxx processors. @@ -171,6 +176,7 @@ config ARCH_CLPS7500 bool "Cirrus CL-PS7500FE" select TIMER_ACORN select ISA + select NO_IOPORT help Support for the Cirrus Logic PS7500FE system-on-a-chip. @@ -189,6 +195,7 @@ config ARCH_CO285 config ARCH_EBSA110 bool "EBSA-110" select ISA + select NO_IOPORT help This is an evaluation board for the StrongARM processor available from Digital. It has limited hardware on-board, including an @@ -302,6 +309,7 @@ config ARCH_PXA bool "PXA2xx-based" depends on MMU select ARCH_MTD_XIP + select GENERIC_GPIO select GENERIC_TIME help Support for Intel's PXA2XX processor line. @@ -323,11 +331,13 @@ config ARCH_SA1100 select ISA select ARCH_DISCONTIGMEM_ENABLE select ARCH_MTD_XIP + select GENERIC_GPIO help Support for StrongARM 11x0 based boards. config ARCH_S3C2410 bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443" + select GENERIC_GPIO help Samsung S3C2410X CPU based systems, such as the Simtec Electronics BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or @@ -352,6 +362,7 @@ config ARCH_LH7A40X config ARCH_OMAP bool "TI OMAP" + select GENERIC_GPIO help Support for TI's OMAP platform (OMAP1 and OMAP2). diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig index df19e363203..d4ca0f06be5 100644 --- a/arch/arm/configs/s3c2410_defconfig +++ b/arch/arm/configs/s3c2410_defconfig @@ -1,11 +1,13 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20 -# Thu Feb 15 11:26:24 2007 +# Linux kernel version: 2.6.21-rc1 +# Wed Feb 21 16:48:01 2007 # CONFIG_ARM=y +CONFIG_SYS_SUPPORTS_APM_EMULATION=y # CONFIG_GENERIC_TIME is not set CONFIG_MMU=y +CONFIG_NO_IOPORT=y CONFIG_GENERIC_HARDIRQS=y CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_HARDIRQS_SW_RESEND=y @@ -15,6 +17,7 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_ZONE_DMA=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -33,6 +36,7 @@ CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y # CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set @@ -120,6 +124,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory" # CONFIG_ARCH_IXP2000 is not set # CONFIG_ARCH_IXP23XX is not set # CONFIG_ARCH_L7200 is not set +# CONFIG_ARCH_NS9XXX is not set # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set # CONFIG_ARCH_RPC is not set @@ -161,6 +166,7 @@ CONFIG_MACH_OTOM=y CONFIG_MACH_AML_M5900=y CONFIG_BAST_PC104_IRQ=y CONFIG_MACH_VR1000=y +CONFIG_MACH_QT2410=y CONFIG_CPU_S3C2412=y CONFIG_S3C2412_DMA=y CONFIG_S3C2412_PM=y @@ -190,6 +196,7 @@ CONFIG_CPU_S3C2442=y # CONFIG_SMDK2440_CPU2442=y CONFIG_CPU_S3C2443=y +CONFIG_S3C2443_DMA=y # # S3C2443 Machines @@ -250,6 +257,7 @@ CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set CONFIG_SPLIT_PTLOCK_CPUS=4096 # CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 CONFIG_ALIGNMENT_TRAP=y # @@ -259,6 +267,7 @@ CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_CMDLINE="root=/dev/hda1 ro init=/bin/bash console=ttySAC0" # CONFIG_XIP_KERNEL is not set +# CONFIG_KEXEC is not set # # Floating point emulation @@ -287,7 +296,7 @@ CONFIG_PM=y # CONFIG_PM_LEGACY is not set # CONFIG_PM_DEBUG is not set # CONFIG_PM_SYSFS_DEPRECATED is not set -CONFIG_APM=y +# CONFIG_APM_EMULATION is not set # # Networking @@ -303,6 +312,7 @@ CONFIG_UNIX=y CONFIG_XFRM=y # CONFIG_XFRM_USER is not set # CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set # CONFIG_NET_KEY is not set CONFIG_INET=y # CONFIG_IP_MULTICAST is not set @@ -387,6 +397,7 @@ CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_FW_LOADER is not set # CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set # CONFIG_SYS_HYPERVISOR is not set # @@ -506,6 +517,7 @@ CONFIG_PARPORT_1284=y # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices @@ -680,6 +692,7 @@ CONFIG_KEYBOARD_ATKBD=y # CONFIG_KEYBOARD_XTKBD is not set # CONFIG_KEYBOARD_NEWTON is not set # CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_GPIO is not set CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y # CONFIG_MOUSE_SERIAL is not set @@ -848,12 +861,13 @@ CONFIG_SPI_MASTER=y # CONFIG_SPI_BITBANG=m # CONFIG_SPI_BUTTERFLY is not set -CONFIG_SPI_S3C24XX_GPIO=m CONFIG_SPI_S3C24XX=m +CONFIG_SPI_S3C24XX_GPIO=m # # SPI Protocol Masters # +# CONFIG_SPI_AT25 is not set # # Dallas's 1-wire bus @@ -869,6 +883,7 @@ CONFIG_HWMON_VID=m # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set @@ -910,7 +925,11 @@ CONFIG_SENSORS_LM85=m # # Misc devices # -# CONFIG_TIFM_CORE is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set # # LED devices @@ -945,16 +964,22 @@ CONFIG_LEDS_TRIGGER_HEARTBEAT=m # # Graphics support # -CONFIG_FIRMWARE_EDID=y +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set CONFIG_FB=y +CONFIG_FIRMWARE_EDID=y # CONFIG_FB_DDC is not set CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set # CONFIG_FB_BACKLIGHT is not set CONFIG_FB_MODE_HELPERS=y # CONFIG_FB_TILEBLITTING is not set + +# +# Frambuffer hardware drivers +# # CONFIG_FB_S1D13XXX is not set CONFIG_FB_S3C2410=y # CONFIG_FB_S3C2410_DEBUG is not set @@ -976,7 +1001,6 @@ CONFIG_FONT_8x16=y # Logo configuration # # CONFIG_LOGO is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -987,6 +1011,7 @@ CONFIG_FONT_8x16=y # HID Devices # CONFIG_HID=y +# CONFIG_HID_DEBUG is not set # # USB support @@ -1001,7 +1026,6 @@ CONFIG_USB=y # Miscellaneous USB options # CONFIG_USB_DEVICEFS=y -# CONFIG_USB_BANDWIDTH is not set # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_SUSPEND is not set # CONFIG_USB_OTG is not set @@ -1011,7 +1035,8 @@ CONFIG_USB_DEVICEFS=y # # CONFIG_USB_ISP116X_HCD is not set CONFIG_USB_OHCI_HCD=y -# CONFIG_USB_OHCI_BIG_ENDIAN is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set CONFIG_USB_OHCI_LITTLE_ENDIAN=y # CONFIG_USB_SL811_HCD is not set @@ -1052,6 +1077,7 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y # CONFIG_USB_ATI_REMOTE2 is not set # CONFIG_USB_KEYSPAN_REMOTE is not set # CONFIG_USB_APPLETOUCH is not set +# CONFIG_USB_GTCO is not set # # USB Imaging devices @@ -1089,6 +1115,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1134,6 +1161,7 @@ CONFIG_RTC_INTF_DEV=y # # RTC drivers # +# CONFIG_RTC_DRV_CMOS is not set # CONFIG_RTC_DRV_X1205 is not set # CONFIG_RTC_DRV_DS1307 is not set # CONFIG_RTC_DRV_DS1553 is not set @@ -1339,15 +1367,16 @@ CONFIG_MAGIC_SYSRQ=y # CONFIG_DEBUG_FS is not set # CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set CONFIG_LOG_BUF_SHIFT=16 CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set # CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set # CONFIG_DEBUG_SPINLOCK is not set CONFIG_DEBUG_MUTEXES=y -# CONFIG_DEBUG_RWSEMS is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set @@ -1358,6 +1387,7 @@ CONFIG_DEBUG_INFO=y CONFIG_FRAME_POINTER=y CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_FAULT_INJECTION is not set CONFIG_DEBUG_USER=y # CONFIG_DEBUG_ERRORS is not set CONFIG_DEBUG_LL=y @@ -1387,4 +1417,4 @@ CONFIG_CRC32=y CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y CONFIG_PLIST=y -CONFIG_IOMAP_COPY=y +CONFIG_HAS_IOMEM=y diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index cf495a3084b..66db0a9bf0b 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -48,9 +48,11 @@ .endm #ifdef CONFIG_XIP_KERNEL -#define TEXTADDR XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR) +#define KERNEL_START XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR) +#define KERNEL_END _edata_loc #else -#define TEXTADDR KERNEL_RAM_VADDR +#define KERNEL_START KERNEL_RAM_VADDR +#define KERNEL_END _end #endif /* @@ -240,16 +242,32 @@ __create_page_tables: * Now setup the pagetables for our kernel direct * mapped region. */ - add r0, r4, #(TEXTADDR & 0xff000000) >> 18 @ start of kernel - str r3, [r0, #(TEXTADDR & 0x00f00000) >> 18]! - - ldr r6, =(_end - PAGE_OFFSET - 1) @ r6 = number of sections - mov r6, r6, lsr #20 @ needed for kernel minus 1 + add r0, r4, #(KERNEL_START & 0xff000000) >> 18 + str r3, [r0, #(KERNEL_START & 0x00f00000) >> 18]! + ldr r6, =(KERNEL_END - 1) + add r0, r0, #4 + add r6, r4, r6, lsr #18 +1: cmp r0, r6 + add r3, r3, #1 << 20 + strls r3, [r0], #4 + bls 1b -1: add r3, r3, #1 << 20 - str r3, [r0, #4]! - subs r6, r6, #1 - bgt 1b +#ifdef CONFIG_XIP_KERNEL + /* + * Map some ram to cover our .data and .bss areas. + */ + orr r3, r7, #(KERNEL_RAM_PADDR & 0xff000000) + orr r3, r3, #(KERNEL_RAM_PADDR & 0x00f00000) + add r0, r4, #(KERNEL_RAM_VADDR & 0xff000000) >> 18 + str r3, [r0, #(KERNEL_RAM_VADDR & 0x00f00000) >> 18]! + ldr r6, =(_end - 1) + add r0, r0, #4 + add r6, r4, r6, lsr #18 +1: cmp r0, r6 + add r3, r3, #1 << 20 + strls r3, [r0], #4 + bls 1b +#endif /* * Then map first 1MB of ram in case it contains our boot params. @@ -259,22 +277,6 @@ __create_page_tables: orr r6, r6, #(PHYS_OFFSET & 0x00e00000) str r6, [r0] -#ifdef CONFIG_XIP_KERNEL - /* - * Map some ram to cover our .data and .bss areas. - * Mapping 3MB should be plenty. - */ - sub r3, r4, #PHYS_OFFSET - mov r3, r3, lsr #20 - add r0, r0, r3, lsl #2 - add r6, r6, r3, lsl #20 - str r6, [r0], #4 - add r6, r6, #(1 << 20) - str r6, [r0], #4 - add r6, r6, #(1 << 20) - str r6, [r0] -#endif - #ifdef CONFIG_DEBUG_LL ldr r7, [r10, #PROCINFO_IO_MMUFLAGS] @ io_mmuflags /* diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index b929a60f754..ddbdad48f5b 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -156,6 +156,7 @@ SECTIONS _edata = .; } + _edata_loc = __data_loc + SIZEOF(.data); .bss : { __bss_start = .; /* BSS */ diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index 6aa342e8f1b..0e89a7fca3f 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -124,7 +124,7 @@ static struct clk isi_clk = { }; static struct clk lcdc_clk = { .name = "lcdc_clk", - .pmc_mask = 1 << AT91SAM9263_ID_ISI, + .pmc_mask = 1 << AT91SAM9263_ID_LCDC, .type = CLK_TYPE_PERIPHERAL, }; static struct clk ohci_clk = { diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index d9af7ca58bc..b77121f27f3 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -553,7 +553,7 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) if (enable_spi0) { at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ - at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */ + at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ at91_clock_associate("spi0_clk", &at91sam9263_spi0_device.dev, "spi_clk"); platform_device_register(&at91sam9263_spi0_device); diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c index 7b87f3f101b..44211a0af19 100644 --- a/arch/arm/mach-at91/gpio.c +++ b/arch/arm/mach-at91/gpio.c @@ -210,7 +210,7 @@ int gpio_direction_input(unsigned pin) if (!pio || !(__raw_readl(pio + PIO_PSR) & mask)) return -EINVAL; - __raw_writel(mask, pio + PIO_OER); + __raw_writel(mask, pio + PIO_ODR); return 0; } EXPORT_SYMBOL(gpio_direction_input); diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c index cbe909bad79..70014f751bc 100644 --- a/arch/arm/mach-omap1/board-nokia770.c +++ b/arch/arm/mach-omap1/board-nokia770.c @@ -16,6 +16,8 @@ #include <linux/spi/spi.h> #include <linux/spi/ads7846.h> +#include <linux/workqueue.h> +#include <linux/delay.h> #include <asm/hardware.h> #include <asm/mach-types.h> @@ -103,7 +105,7 @@ static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = static struct spi_board_info nokia770_spi_board_info[] __initdata = { [0] = { - .modalias = "lcd_lph8923", + .modalias = "lcd_mipid", .bus_num = 2, .chip_select = 3, .max_speed_hz = 12000000, diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c index 638490e62d5..f625f6dd228 100644 --- a/arch/arm/mach-omap1/clock.c +++ b/arch/arm/mach-omap1/clock.c @@ -432,8 +432,7 @@ static int omap1_clk_enable(struct clk *clk) } if (clk->flags & CLOCK_NO_IDLE_PARENT) - if (!cpu_is_omap24xx()) - omap1_clk_deny_idle(clk->parent); + omap1_clk_deny_idle(clk->parent); } ret = clk->enable(clk); @@ -454,8 +453,7 @@ static void omap1_clk_disable(struct clk *clk) if (likely(clk->parent)) { omap1_clk_disable(clk->parent); if (clk->flags & CLOCK_NO_IDLE_PARENT) - if (!cpu_is_omap24xx()) - omap1_clk_allow_idle(clk->parent); + omap1_clk_allow_idle(clk->parent); } } } @@ -471,7 +469,7 @@ static int omap1_clk_enable_generic(struct clk *clk) if (unlikely(clk->enable_reg == 0)) { printk(KERN_ERR "clock.c: Enable for %s without enable code\n", clk->name); - return 0; + return -EINVAL; } if (clk->flags & ENABLE_REG_32BIT) { @@ -651,10 +649,18 @@ int __init omap1_clk_init(void) int crystal_type = 0; /* Default 12 MHz */ u32 reg; +#ifdef CONFIG_DEBUG_LL + /* Resets some clocks that may be left on from bootloader, + * but leaves serial clocks on. + */ + omap_writel(0x3 << 29, MOD_CONF_CTRL_0); +#endif + /* USB_REQ_EN will be disabled later if necessary (usb_dc_ck) */ reg = omap_readw(SOFT_REQ_REG) & (1 << 4); omap_writew(reg, SOFT_REQ_REG); - omap_writew(0, SOFT_REQ_REG2); + if (!cpu_is_omap15xx()) + omap_writew(0, SOFT_REQ_REG2); clk_init(&omap1_clk_functions); @@ -685,7 +691,7 @@ int __init omap1_clk_init(void) info = omap_get_config(OMAP_TAG_CLOCK, struct omap_clock_config); if (info != NULL) { - if (!cpu_is_omap1510()) + if (!cpu_is_omap15xx()) crystal_type = info->system_clock_type; } diff --git a/arch/arm/mach-omap1/irq.c b/arch/arm/mach-omap1/irq.c index 6383a12ad97..410d3e78dd0 100644 --- a/arch/arm/mach-omap1/irq.c +++ b/arch/arm/mach-omap1/irq.c @@ -238,7 +238,7 @@ void __init omap_init_irq(void) if (cpu_is_omap730()) omap_unmask_irq(INT_730_IH2_IRQ); - else if (cpu_is_omap1510()) + else if (cpu_is_omap15xx()) omap_unmask_irq(INT_1510_IH2_IRQ); else if (cpu_is_omap16xx()) omap_unmask_irq(INT_1610_IH2_IRQ); diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c index 4834758d340..49efe903dac 100644 --- a/arch/arm/mach-omap1/pm.c +++ b/arch/arm/mach-omap1/pm.c @@ -256,7 +256,8 @@ void omap_pm_suspend(void) tps65010_set_led(LED1, OFF); } - omap_writew(0xffff, ULPD_SOFT_DISABLE_REQ_REG); + if (!cpu_is_omap15xx()) + omap_writew(0xffff, ULPD_SOFT_DISABLE_REQ_REG); /* * Step 1: turn off interrupts (FIXME: NOTE: already disabled) @@ -434,7 +435,8 @@ void omap_pm_suspend(void) MPUI1610_RESTORE(OMAP_IH2_3_MIR); } - omap_writew(0, ULPD_SOFT_DISABLE_REQ_REG); + if (!cpu_is_omap15xx()) + omap_writew(0, ULPD_SOFT_DISABLE_REQ_REG); /* * Reenable interrupts @@ -704,6 +706,8 @@ static struct pm_ops omap_pm_ops ={ static int __init omap_pm_init(void) { + int error; + printk("Power Management for TI OMAP.\n"); /* @@ -760,7 +764,9 @@ static int __init omap_pm_init(void) omap_pm_init_proc(); #endif - subsys_create_file(&power_subsys, &sleep_while_idle_attr); + error = subsys_create_file(&power_subsys, &sleep_while_idle_attr); + if (error) + printk(KERN_ERR "subsys_create_file failed: %d\n", error); if (cpu_is_omap16xx()) { /* configure LOW_PWR pin */ diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c index 4cc98a578e4..10a4fe88b2f 100644 --- a/arch/arm/mach-omap1/serial.c +++ b/arch/arm/mach-omap1/serial.c @@ -1,7 +1,7 @@ /* * linux/arch/arm/mach-omap1/serial.c * - * OMAP1 CPU identification code + * OMAP1 serial support. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -59,7 +59,7 @@ static void __init omap_serial_reset(struct plat_serial8250_port *p) omap_serial_outp(p, UART_OMAP_SCR, 0x08); /* TX watermark */ omap_serial_outp(p, UART_OMAP_MDR1, 0x00); /* enable UART */ - if (!cpu_is_omap1510()) { + if (!cpu_is_omap15xx()) { omap_serial_outp(p, UART_OMAP_SYSC, 0x01); while (!(omap_serial_in(p, UART_OMAP_SYSC) & 0x01)); } @@ -121,7 +121,7 @@ void __init omap_serial_init(void) serial_platform_data[1].irq = INT_730_UART_MODEM_IRDA_2; } - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { serial_platform_data[0].uartclk = OMAP1510_BASE_BAUD * 16; serial_platform_data[1].uartclk = OMAP1510_BASE_BAUD * 16; serial_platform_data[2].uartclk = OMAP1510_BASE_BAUD * 16; @@ -147,10 +147,10 @@ void __init omap_serial_init(void) printk("Could not get uart1_ck\n"); else { clk_enable(uart1_ck); - if (cpu_is_omap1510()) + if (cpu_is_omap15xx()) clk_set_rate(uart1_ck, 12000000); } - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { omap_cfg_reg(UART1_TX); omap_cfg_reg(UART1_RTS); if (machine_is_omap_innovator()) { @@ -167,12 +167,12 @@ void __init omap_serial_init(void) printk("Could not get uart2_ck\n"); else { clk_enable(uart2_ck); - if (cpu_is_omap1510()) + if (cpu_is_omap15xx()) clk_set_rate(uart2_ck, 12000000); else clk_set_rate(uart2_ck, 48000000); } - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { omap_cfg_reg(UART2_TX); omap_cfg_reg(UART2_RTS); if (machine_is_omap_innovator()) { @@ -189,10 +189,10 @@ void __init omap_serial_init(void) printk("Could not get uart3_ck\n"); else { clk_enable(uart3_ck); - if (cpu_is_omap1510()) + if (cpu_is_omap15xx()) clk_set_rate(uart3_ck, 12000000); } - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { omap_cfg_reg(UART3_TX); omap_cfg_reg(UART3_RX); } diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index 3b1ad1d981a..1e7ed6d22ca 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -39,7 +39,6 @@ #include "prcm-regs.h" #include <asm/io.h> -#include <asm/delay.h> static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 }; static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 }; @@ -179,9 +178,11 @@ static int h4_select_irda(struct device *dev, int state) return err; } -static void set_trans_mode(void *data) +static void set_trans_mode(struct work_struct *work) { - int *mode = data; + struct omap_irda_config *irda_config = + container_of(work, struct omap_irda_config, gpio_expa.work); + int mode = irda_config->mode; unsigned char expa; int err = 0; @@ -191,7 +192,7 @@ static void set_trans_mode(void *data) expa &= ~0x01; - if (!(*mode & IR_SIRMODE)) { /* MIR/FIR */ + if (!(mode & IR_SIRMODE)) { /* MIR/FIR */ expa |= 0x01; } @@ -204,9 +205,9 @@ static int h4_transceiver_mode(struct device *dev, int mode) { struct omap_irda_config *irda_config = dev->platform_data; + irda_config->mode = mode; cancel_delayed_work(&irda_config->gpio_expa); - PREPARE_WORK(&irda_config->gpio_expa, set_trans_mode, &mode); -#error this is not permitted - mode is an argument variable + PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode); schedule_delayed_work(&irda_config->gpio_expa, 0); return 0; diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c index 973189cd976..45d1aaa51b5 100644 --- a/arch/arm/mach-omap2/timer-gp.c +++ b/arch/arm/mach-omap2/timer-gp.c @@ -24,6 +24,7 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/delay.h> +#include <linux/irq.h> #include <asm/mach/time.h> #include <asm/arch/dmtimer.h> @@ -64,7 +65,7 @@ static void __init omap2_gp_timer_init(void) BUG_ON(gptimer == NULL); omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_SYS_CLK); - tick_period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / 100; + tick_period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / HZ; tick_period -= 1; setup_irq(omap_dm_timer_get_irq(gptimer), &omap2_gp_timer_irq); diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c index 165017de8d0..392c3871736 100644 --- a/arch/arm/mach-pxa/corgi_pm.c +++ b/arch/arm/mach-pxa/corgi_pm.c @@ -16,7 +16,8 @@ #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/platform_device.h> -#include <asm/apm-emulation.h> +#include <linux/apm-emulation.h> + #include <asm/irq.h> #include <asm/mach-types.h> #include <asm/hardware.h> diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c index b1d8cfca245..f9d1b61e118 100644 --- a/arch/arm/mach-pxa/sharpsl_pm.c +++ b/arch/arm/mach-pxa/sharpsl_pm.c @@ -20,10 +20,10 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/platform_device.h> +#include <linux/apm-emulation.h> #include <asm/hardware.h> #include <asm/mach-types.h> -#include <asm/apm-emulation.h> #include <asm/arch/pm.h> #include <asm/arch/pxa-regs.h> #include <asm/arch/sharpsl.h> diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c index b97d543d936..745a4dc7acd 100644 --- a/arch/arm/mach-pxa/spitz_pm.c +++ b/arch/arm/mach-pxa/spitz_pm.c @@ -16,7 +16,8 @@ #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/platform_device.h> -#include <asm/apm-emulation.h> +#include <linux/apm-emulation.h> + #include <asm/irq.h> #include <asm/mach-types.h> #include <asm/hardware.h> diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c index 0a007b931f6..a9de727c932 100644 --- a/arch/arm/oprofile/common.c +++ b/arch/arm/oprofile/common.c @@ -131,6 +131,8 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) struct op_arm_model_spec *spec = NULL; int ret = -ENODEV; + ops->backtrace = arm_backtrace; + #ifdef CONFIG_CPU_XSCALE spec = &op_xscale_spec; #endif @@ -161,7 +163,6 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) ops->start = op_arm_start; ops->stop = op_arm_stop; ops->cpu_type = op_arm_model->name; - ops->backtrace = arm_backtrace; printk(KERN_INFO "oprofile: using %s\n", spec->name); } diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index bb045e5ddbd..f3f84fbf8b8 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -557,7 +557,7 @@ int omap_request_dma(int dev_id, const char *dev_name, omap_enable_channel_irq(free_ch); /* Clear the CSR register and IRQ status register */ OMAP_DMA_CSR_REG(free_ch) = OMAP2_DMA_CSR_CLEAR_MASK; - omap_writel(~0x0, OMAP_DMA4_IRQSTATUS_L0); + omap_writel(1 << free_ch, OMAP_DMA4_IRQSTATUS_L0); } *dma_ch_out = free_ch; @@ -597,10 +597,7 @@ void omap_free_dma(int lch) /* Clear the CSR register and IRQ status register */ OMAP_DMA_CSR_REG(lch) = OMAP2_DMA_CSR_CLEAR_MASK; - - val = omap_readl(OMAP_DMA4_IRQSTATUS_L0); - val |= 1 << lch; - omap_writel(val, OMAP_DMA4_IRQSTATUS_L0); + omap_writel(1 << lch, OMAP_DMA4_IRQSTATUS_L0); /* Disable all DMA interrupts for the channel. */ OMAP_DMA_CICR_REG(lch) = 0; @@ -927,7 +924,6 @@ static irqreturn_t omap1_dma_irq_handler(int irq, void *dev_id) static int omap2_dma_handle_ch(int ch) { u32 status = OMAP_DMA_CSR_REG(ch); - u32 val; if (!status) return 0; @@ -948,11 +944,7 @@ static int omap2_dma_handle_ch(int ch) dma_chan[ch].dev_id); OMAP_DMA_CSR_REG(ch) = OMAP2_DMA_CSR_CLEAR_MASK; - - val = omap_readl(OMAP_DMA4_IRQSTATUS_L0); - /* ch in this function is from 0-31 while in register it is 1-32 */ - val = 1 << (ch); - omap_writel(val, OMAP_DMA4_IRQSTATUS_L0); + omap_writel(1 << ch, OMAP_DMA4_IRQSTATUS_L0); if (likely(dma_chan[ch].callback != NULL)) dma_chan[ch].callback(ch, status, dma_chan[ch].data); diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index bcbb8d7392b..45f0439bffb 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -90,8 +90,8 @@ static struct omap_dm_timer dm_timers[] = { { .phys_base = 0xfffb2c00, .irq = INT_1610_GPTIMER4 }, { .phys_base = 0xfffb3400, .irq = INT_1610_GPTIMER5 }, { .phys_base = 0xfffb3c00, .irq = INT_1610_GPTIMER6 }, - { .phys_base = 0xfffb4400, .irq = INT_1610_GPTIMER7 }, - { .phys_base = 0xfffb4c00, .irq = INT_1610_GPTIMER8 }, + { .phys_base = 0xfffb7400, .irq = INT_1610_GPTIMER7 }, + { .phys_base = 0xfffbd400, .irq = INT_1610_GPTIMER8 }, }; #elif defined(CONFIG_ARCH_OMAP2) @@ -314,6 +314,8 @@ struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer) __u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask) { BUG(); + + return 0; } #endif diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 4f2fd559133..b8c01de208b 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -974,10 +974,11 @@ static struct irq_chip gpio_irq_chip = { }; static struct irq_chip mpuio_irq_chip = { - .name = "MPUIO", - .ack = mpuio_ack_irq, - .mask = mpuio_mask_irq, - .unmask = mpuio_unmask_irq + .name = "MPUIO", + .ack = mpuio_ack_irq, + .mask = mpuio_mask_irq, + .unmask = mpuio_unmask_irq, + .set_type = gpio_irq_type, }; static int initialized; diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index ec50008a2df..b8d6f17ff58 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -20,8 +20,8 @@ #include <linux/interrupt.h> #include <linux/err.h> #include <linux/clk.h> +#include <linux/delay.h> -#include <asm/delay.h> #include <asm/io.h> #include <asm/irq.h> diff --git a/arch/arm/plat-omap/mux.c b/arch/arm/plat-omap/mux.c index 042105ac30b..6c798d28868 100644 --- a/arch/arm/plat-omap/mux.c +++ b/arch/arm/plat-omap/mux.c @@ -116,7 +116,7 @@ int __init_or_module omap_cfg_reg(const unsigned long index) } /* Check for pull up or pull down selection on 1610 */ - if (!cpu_is_omap1510()) { + if (!cpu_is_omap15xx()) { if (cfg->pu_pd_reg && cfg->pull_val) { spin_lock_irqsave(&mux_spin_lock, flags); pu_pd_orig = omap_readl(cfg->pu_pd_reg); @@ -172,7 +172,7 @@ int __init_or_module omap_cfg_reg(const unsigned long index) printk(" %s (0x%08x) = 0x%08x -> 0x%08x\n", cfg->mux_reg_name, cfg->mux_reg, reg_orig, reg); - if (!cpu_is_omap1510()) { + if (!cpu_is_omap15xx()) { if (cfg->pu_pd_reg && cfg->pull_val) { printk(" %s (0x%08x) = 0x%08x -> 0x%08x\n", cfg->pu_pd_name, cfg->pu_pd_reg, diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig index 860869528f4..b972f36d547 100644 --- a/arch/arm/plat-s3c24xx/Kconfig +++ b/arch/arm/plat-s3c24xx/Kconfig @@ -58,6 +58,11 @@ config S3C2410_PM_CHECK going to sleep. The blocks are then checked on resume for any errors. + Note, this can take several seconds depending on memory size + and CPU speed. + + See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> + config S3C2410_PM_CHECK_CHUNKSIZE int "S3C2410 PM Suspend CRC Chunksize (KiB)" depends on ARCH_S3C2410 && PM && S3C2410_PM_CHECK @@ -68,6 +73,8 @@ config S3C2410_PM_CHECK_CHUNKSIZE the CRC data block will take more memory, but wil identify any faults with better precision. + See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> + config S3C2410_LOWLEVEL_UART_PORT int "S3C2410 UART to use for low-level messages" default 0 diff --git a/arch/arm26/kernel/entry.S b/arch/arm26/kernel/entry.S index 6d910ea43d3..91496cc687b 100644 --- a/arch/arm26/kernel/entry.S +++ b/arch/arm26/kernel/entry.S @@ -245,11 +245,6 @@ ENTRY(vector_swi) zero_fp get_scno -#ifdef CONFIG_ALIGNMENT_TRAP - ldr ip, __cr_alignment - ldr ip, [ip] - mcr p15, 0, ip, c1, c0 @ update control register -#endif enable_irqs ip str r4, [sp, #-S_OFF]! @ push fifth arg @@ -299,11 +294,6 @@ __sys_trace_return: b ret_slow_syscall .align 5 -#ifdef CONFIG_ALIGNMENT_TRAP - .type __cr_alignment, #object -__cr_alignment: - .word cr_alignment -#endif .type sys_call_table, #object ENTRY(sys_call_table) diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig index bb059a4e1df..ce4013aee59 100644 --- a/arch/avr32/Kconfig +++ b/arch/avr32/Kconfig @@ -22,6 +22,10 @@ config AVR32 config UID16 bool +config GENERIC_GPIO + bool + default y + config GENERIC_HARDIRQS bool default y diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c index f2e81cd7900..6f4388f7c20 100644 --- a/arch/avr32/kernel/ptrace.c +++ b/arch/avr32/kernel/ptrace.c @@ -313,7 +313,7 @@ asmlinkage void do_debug_priv(struct pt_regs *regs) __mtdr(DBGREG_DC, dc); ti = current_thread_info(); - ti->flags |= _TIF_BREAKPOINT; + set_ti_thread_flag(ti, TIF_BREAKPOINT); /* The TLB miss handlers don't check thread flags */ if ((regs->pc >= (unsigned long)&itlb_miss) @@ -328,7 +328,7 @@ asmlinkage void do_debug_priv(struct pt_regs *regs) * single step. */ if ((regs->sr & MODE_MASK) != MODE_SUPERVISOR) - ti->flags |= TIF_SINGLE_STEP; + set_ti_thread_flag(ti, TIF_SINGLE_STEP); } else { panic("Unable to handle debug trap at pc = %08lx\n", regs->pc); diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c index 7e803f4d7a1..adc01a12d15 100644 --- a/arch/avr32/kernel/traps.c +++ b/arch/avr32/kernel/traps.c @@ -49,39 +49,45 @@ out: return; } +static inline int valid_stack_ptr(struct thread_info *tinfo, unsigned long p) +{ + return (p > (unsigned long)tinfo) + && (p < (unsigned long)tinfo + THREAD_SIZE - 3); +} + #ifdef CONFIG_FRAME_POINTER static inline void __show_trace(struct task_struct *tsk, unsigned long *sp, struct pt_regs *regs) { - unsigned long __user *fp; - unsigned long __user *last_fp = NULL; - - if (regs) { - fp = (unsigned long __user *)regs->r7; - } else if (tsk == current) { - register unsigned long __user *real_fp __asm__("r7"); - fp = real_fp; - } else { - fp = (unsigned long __user *)tsk->thread.cpu_context.r7; - } + unsigned long lr, fp; + struct thread_info *tinfo; + + tinfo = (struct thread_info *) + ((unsigned long)sp & ~(THREAD_SIZE - 1)); + + if (regs) + fp = regs->r7; + else if (tsk == current) + asm("mov %0, r7" : "=r"(fp)); + else + fp = tsk->thread.cpu_context.r7; /* - * Walk the stack until (a) we get an exception, (b) the frame - * pointer becomes zero, or (c) the frame pointer gets stuck - * at the same value. + * Walk the stack as long as the frame pointer (a) is within + * the kernel stack of the task, and (b) it doesn't move + * downwards. */ - while (fp && fp != last_fp) { - unsigned long lr, new_fp = 0; - - last_fp = fp; - if (__get_user(lr, fp)) - break; - if (fp && __get_user(new_fp, fp + 1)) - break; - fp = (unsigned long __user *)new_fp; + while (valid_stack_ptr(tinfo, fp)) { + unsigned long new_fp; + lr = *(unsigned long *)fp; printk(" [<%08lx>] ", lr); print_symbol("%s\n", lr); + + new_fp = *(unsigned long *)(fp + 4); + if (new_fp <= fp) + break; + fp = new_fp; } printk("\n"); } diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c index bc235507c5c..472703f90c2 100644 --- a/arch/avr32/mach-at32ap/at32ap7000.c +++ b/arch/avr32/mach-at32ap/at32ap7000.c @@ -752,7 +752,7 @@ static struct resource atmel_spi1_resource[] = { DEFINE_DEV(atmel_spi, 1); DEV_CLK(spi_clk, atmel_spi1, pba, 1); -static void +static void __init at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b, unsigned int n, const u8 *pins) { diff --git a/arch/avr32/mm/cache.c b/arch/avr32/mm/cache.c index fb13f72e9a0..8f7b1c3cd0f 100644 --- a/arch/avr32/mm/cache.c +++ b/arch/avr32/mm/cache.c @@ -121,9 +121,8 @@ void flush_icache_range(unsigned long start, unsigned long end) void flush_icache_page(struct vm_area_struct *vma, struct page *page) { if (vma->vm_flags & VM_EXEC) { - void *v = kmap(page); + void *v = page_address(page); __flush_icache_range((unsigned long)v, (unsigned long)v + PAGE_SIZE); - kunmap(v); } } diff --git a/arch/cris/arch-v32/drivers/pci/dma.c b/arch/cris/arch-v32/drivers/pci/dma.c index 426b09878a0..70d3bf0c92e 100644 --- a/arch/cris/arch-v32/drivers/pci/dma.c +++ b/arch/cris/arch-v32/drivers/pci/dma.c @@ -111,7 +111,7 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, return DMA_MEMORY_IO; free1_out: - kfree(dev->dma_mem->bitmap); + kfree(dev->dma_mem); out: return 0; } diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c index 3f3a0ed3539..4103c2c487f 100644 --- a/arch/frv/mm/init.c +++ b/arch/frv/mm/init.c @@ -126,8 +126,7 @@ void __init paging_init(void) /* distribute the allocatable pages across the various zones and pass them to the allocator */ - zones_size[ZONE_DMA] = max_low_pfn - min_low_pfn; - zones_size[ZONE_NORMAL] = 0; + zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn; #ifdef CONFIG_HIGHMEM zones_size[ZONE_HIGHMEM] = num_physpages - num_mappedpages; #endif diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 2f7672545fe..27e8453274e 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -220,11 +220,11 @@ config PARAVIRT config VMI bool "VMI Paravirt-ops support" - depends on PARAVIRT && !NO_HZ - default y + depends on PARAVIRT help - VMI provides a paravirtualized interface to multiple hypervisors - include VMware ESX server and Xen by connecting to a ROM module + VMI provides a paravirtualized interface to the VMware ESX server + (it could be used by other hypervisors in theory too, but is not + at the moment), by linking the kernel to a GPL-ed ROM module provided by the hypervisor. config ACPI_SRAT @@ -893,7 +893,6 @@ config HOTPLUG_CPU config COMPAT_VDSO bool "Compat VDSO support" default y - depends on !PARAVIRT help Map the VDSO to the predictable old-style address too. ---help--- @@ -1287,12 +1286,3 @@ config X86_TRAMPOLINE config KTIME_SCALAR bool default y - -config NO_IDLE_HZ - bool - depends on PARAVIRT - default y - help - Switches the regular HZ timer off when the system is going idle. - This helps a hypervisor detect that the Linux system is idle, - reducing the overhead of idle systems. diff --git a/arch/i386/Makefile b/arch/i386/Makefile index f7ac1aea1d8..bd28f9f9b4b 100644 --- a/arch/i386/Makefile +++ b/arch/i386/Makefile @@ -31,7 +31,7 @@ LDFLAGS_vmlinux := --emit-relocs endif CHECKFLAGS += -D__i386__ -CFLAGS += -pipe -msoft-float -mregparm=3 +CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return # prevent gcc from keeping the stack 16 byte aligned CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c index bf86f7662d8..a7d22d9f3d7 100644 --- a/arch/i386/kernel/acpi/earlyquirk.c +++ b/arch/i386/kernel/acpi/earlyquirk.c @@ -14,11 +14,8 @@ #ifdef CONFIG_ACPI -static int nvidia_hpet_detected __initdata; - static int __init nvidia_hpet_check(struct acpi_table_header *header) { - nvidia_hpet_detected = 1; return 0; } #endif @@ -29,9 +26,7 @@ static int __init check_bridge(int vendor, int device) /* According to Nvidia all timer overrides are bogus unless HPET is enabled. */ if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) { - nvidia_hpet_detected = 0; - acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check); - if (nvidia_hpet_detected == 0) { + if (acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check)) { acpi_skip_timer_override = 1; printk(KERN_INFO "Nvidia board " "detected. Ignoring ACPI " diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index 9655c233e6f..2383bcf18c5 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -38,7 +38,6 @@ #include <asm/hpet.h> #include <asm/i8253.h> #include <asm/nmi.h> -#include <asm/idle.h> #include <mach_apic.h> #include <mach_apicdef.h> @@ -494,8 +493,15 @@ void __init setup_boot_APIC_clock(void) /* No broadcast on UP ! */ if (num_possible_cpus() == 1) return; - } else - lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY; + } else { + /* + * If nmi_watchdog is set to IO_APIC, we need the + * PIT/HPET going. Otherwise register lapic as a dummy + * device. + */ + if (nmi_watchdog != NMI_IO_APIC) + lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY; + } /* Setup the lapic or request the broadcast */ setup_APIC_timer(); @@ -561,7 +567,6 @@ void fastcall smp_apic_timer_interrupt(struct pt_regs *regs) * Besides, if we don't timer interrupts ignore the global * interrupt lock, which is the WrongThing (tm) to do. */ - exit_idle(); irq_enter(); local_apic_timer_interrupt(); irq_exit(); @@ -1221,7 +1226,6 @@ void smp_spurious_interrupt(struct pt_regs *regs) { unsigned long v; - exit_idle(); irq_enter(); /* * Check if this really is a spurious interrupt and ACK it @@ -1245,7 +1249,6 @@ void smp_error_interrupt(struct pt_regs *regs) { unsigned long v, v1; - exit_idle(); irq_enter(); /* First tickle the hardware, only then report what went on. -- REW */ v = apic_read(APIC_ESR); diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig index 6c52182ca32..e912aae9473 100644 --- a/arch/i386/kernel/cpu/cpufreq/Kconfig +++ b/arch/i386/kernel/cpu/cpufreq/Kconfig @@ -125,7 +125,6 @@ config X86_SPEEDSTEP_CENTRINO_ACPI bool "Use ACPI tables to decode valid frequency/voltage (deprecated)" depends on X86_SPEEDSTEP_CENTRINO && ACPI_PROCESSOR depends on !(X86_SPEEDSTEP_CENTRINO = y && ACPI_PROCESSOR = m) - default y help This is deprecated and this functionality is now merged into acpi_cpufreq (X86_ACPI_CPUFREQ). Use that driver instead of diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c index b59878a0d9b..a1f1b715bcf 100644 --- a/arch/i386/kernel/cpu/cpufreq/longhaul.c +++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c @@ -61,8 +61,8 @@ static int cpu_model; static unsigned int numscales=16; static unsigned int fsb; -static struct mV_pos *vrm_mV_table; -static unsigned char *mV_vrm_table; +static const struct mV_pos *vrm_mV_table; +static const unsigned char *mV_vrm_table; struct f_msr { u8 vrm; u8 pos; diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.h b/arch/i386/kernel/cpu/cpufreq/longhaul.h index bb0a04b1d1a..102548f1284 100644 --- a/arch/i386/kernel/cpu/cpufreq/longhaul.h +++ b/arch/i386/kernel/cpu/cpufreq/longhaul.h @@ -56,7 +56,7 @@ union msr_longhaul { /* * VIA C3 Samuel 1 & Samuel 2 (stepping 0) */ -static int __initdata samuel1_clock_ratio[16] = { +static const int __initdata samuel1_clock_ratio[16] = { -1, /* 0000 -> RESERVED */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -75,7 +75,7 @@ static int __initdata samuel1_clock_ratio[16] = { -1, /* 1111 -> RESERVED */ }; -static int __initdata samuel1_eblcr[16] = { +static const int __initdata samuel1_eblcr[16] = { 50, /* 0000 -> RESERVED */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -97,7 +97,7 @@ static int __initdata samuel1_eblcr[16] = { /* * VIA C3 Samuel2 Stepping 1->15 */ -static int __initdata samuel2_eblcr[16] = { +static const int __initdata samuel2_eblcr[16] = { 50, /* 0000 -> 5.0x */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -119,7 +119,7 @@ static int __initdata samuel2_eblcr[16] = { /* * VIA C3 Ezra */ -static int __initdata ezra_clock_ratio[16] = { +static const int __initdata ezra_clock_ratio[16] = { 100, /* 0000 -> 10.0x */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -138,7 +138,7 @@ static int __initdata ezra_clock_ratio[16] = { 120, /* 1111 -> 12.0x */ }; -static int __initdata ezra_eblcr[16] = { +static const int __initdata ezra_eblcr[16] = { 50, /* 0000 -> 5.0x */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -160,7 +160,7 @@ static int __initdata ezra_eblcr[16] = { /* * VIA C3 (Ezra-T) [C5M]. */ -static int __initdata ezrat_clock_ratio[32] = { +static const int __initdata ezrat_clock_ratio[32] = { 100, /* 0000 -> 10.0x */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -196,7 +196,7 @@ static int __initdata ezrat_clock_ratio[32] = { -1, /* 1111 -> RESERVED (12.0x) */ }; -static int __initdata ezrat_eblcr[32] = { +static const int __initdata ezrat_eblcr[32] = { 50, /* 0000 -> 5.0x */ 30, /* 0001 -> 3.0x */ 40, /* 0010 -> 4.0x */ @@ -235,7 +235,7 @@ static int __initdata ezrat_eblcr[32] = { /* * VIA C3 Nehemiah */ -static int __initdata nehemiah_clock_ratio[32] = { +static const int __initdata nehemiah_clock_ratio[32] = { 100, /* 0000 -> 10.0x */ 160, /* 0001 -> 16.0x */ 40, /* 0010 -> 4.0x */ @@ -270,7 +270,7 @@ static int __initdata nehemiah_clock_ratio[32] = { 120, /* 1111 -> 12.0x */ }; -static int __initdata nehemiah_eblcr[32] = { +static const int __initdata nehemiah_eblcr[32] = { 50, /* 0000 -> 5.0x */ 160, /* 0001 -> 16.0x */ 40, /* 0010 -> 4.0x */ @@ -315,7 +315,7 @@ struct mV_pos { unsigned short pos; }; -static struct mV_pos __initdata vrm85_mV[32] = { +static const struct mV_pos __initdata vrm85_mV[32] = { {1250, 8}, {1200, 6}, {1150, 4}, {1100, 2}, {1050, 0}, {1800, 30}, {1750, 28}, {1700, 26}, {1650, 24}, {1600, 22}, {1550, 20}, {1500, 18}, @@ -326,14 +326,14 @@ static struct mV_pos __initdata vrm85_mV[32] = { {1475, 17}, {1425, 15}, {1375, 13}, {1325, 11} }; -static unsigned char __initdata mV_vrm85[32] = { +static const unsigned char __initdata mV_vrm85[32] = { 0x04, 0x14, 0x03, 0x13, 0x02, 0x12, 0x01, 0x11, 0x00, 0x10, 0x0f, 0x1f, 0x0e, 0x1e, 0x0d, 0x1d, 0x0c, 0x1c, 0x0b, 0x1b, 0x0a, 0x1a, 0x09, 0x19, 0x08, 0x18, 0x07, 0x17, 0x06, 0x16, 0x05, 0x15 }; -static struct mV_pos __initdata mobilevrm_mV[32] = { +static const struct mV_pos __initdata mobilevrm_mV[32] = { {1750, 31}, {1700, 30}, {1650, 29}, {1600, 28}, {1550, 27}, {1500, 26}, {1450, 25}, {1400, 24}, {1350, 23}, {1300, 22}, {1250, 21}, {1200, 20}, @@ -344,7 +344,7 @@ static struct mV_pos __initdata mobilevrm_mV[32] = { {675, 3}, {650, 2}, {625, 1}, {600, 0} }; -static unsigned char __initdata mV_mobilevrm[32] = { +static const unsigned char __initdata mV_mobilevrm[32] = { 0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c index 54382760983..837b04166a4 100644 --- a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c +++ b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c @@ -68,7 +68,7 @@ union powernow_acpi_control_t { #ifdef CONFIG_CPU_FREQ_DEBUG /* divide by 1000 to get VCore voltage in V. */ -static int mobile_vid_table[32] = { +static const int mobile_vid_table[32] = { 2000, 1950, 1900, 1850, 1800, 1750, 1700, 1650, 1600, 1550, 1500, 1450, 1400, 1350, 1300, 0, 1275, 1250, 1225, 1200, 1175, 1150, 1125, 1100, @@ -77,7 +77,7 @@ static int mobile_vid_table[32] = { #endif /* divide by 10 to get FID. */ -static int fid_codes[32] = { +static const int fid_codes[32] = { 110, 115, 120, 125, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 30, 190, 40, 200, 130, 135, 140, 210, diff --git a/arch/i386/kernel/cpu/mcheck/p4.c b/arch/i386/kernel/cpu/mcheck/p4.c index 8359c19d3a2..504434a4601 100644 --- a/arch/i386/kernel/cpu/mcheck/p4.c +++ b/arch/i386/kernel/cpu/mcheck/p4.c @@ -12,7 +12,6 @@ #include <asm/system.h> #include <asm/msr.h> #include <asm/apic.h> -#include <asm/idle.h> #include <asm/therm_throt.h> @@ -60,7 +59,6 @@ static void (*vendor_thermal_interrupt)(struct pt_regs *regs) = unexpected_therm fastcall void smp_thermal_interrupt(struct pt_regs *regs) { - exit_idle(); irq_enter(); vendor_thermal_interrupt(regs); irq_exit(); diff --git a/arch/i386/kernel/hpet.c b/arch/i386/kernel/hpet.c index e1006b7acc9..f3ab61ee749 100644 --- a/arch/i386/kernel/hpet.c +++ b/arch/i386/kernel/hpet.c @@ -201,12 +201,30 @@ static int hpet_next_event(unsigned long delta, } /* + * Clock source related code + */ +static cycle_t read_hpet(void) +{ + return (cycle_t)hpet_readl(HPET_COUNTER); +} + +static struct clocksource clocksource_hpet = { + .name = "hpet", + .rating = 250, + .read = read_hpet, + .mask = HPET_MASK, + .shift = HPET_SHIFT, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +/* * Try to setup the HPET timer */ int __init hpet_enable(void) { unsigned long id; uint64_t hpet_freq; + u64 tmp; if (!is_hpet_capable()) return 0; @@ -253,6 +271,25 @@ int __init hpet_enable(void) /* Start the counter */ hpet_start_counter(); + /* Initialize and register HPET clocksource + * + * hpet period is in femto seconds per cycle + * so we need to convert this to ns/cyc units + * aproximated by mult/2^shift + * + * fsec/cyc * 1nsec/1000000fsec = nsec/cyc = mult/2^shift + * fsec/cyc * 1ns/1000000fsec * 2^shift = mult + * fsec/cyc * 2^shift * 1nsec/1000000fsec = mult + * (fsec/cyc << shift)/1000000 = mult + * (hpet_period << shift)/FSEC_PER_NSEC = mult + */ + tmp = (u64)hpet_period << HPET_SHIFT; + do_div(tmp, FSEC_PER_NSEC); + clocksource_hpet.mult = (u32)tmp; + + clocksource_register(&clocksource_hpet); + + if (id & HPET_ID_LEGSUP) { hpet_enable_int(); hpet_reserve_platform_timers(id); @@ -273,49 +310,6 @@ out_nohpet: return 0; } -/* - * Clock source related code - */ -static cycle_t read_hpet(void) -{ - return (cycle_t)hpet_readl(HPET_COUNTER); -} - -static struct clocksource clocksource_hpet = { - .name = "hpet", - .rating = 250, - .read = read_hpet, - .mask = HPET_MASK, - .shift = HPET_SHIFT, - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - -static int __init init_hpet_clocksource(void) -{ - u64 tmp; - - if (!hpet_virt_address) - return -ENODEV; - - /* - * hpet period is in femto seconds per cycle - * so we need to convert this to ns/cyc units - * aproximated by mult/2^shift - * - * fsec/cyc * 1nsec/1000000fsec = nsec/cyc = mult/2^shift - * fsec/cyc * 1ns/1000000fsec * 2^shift = mult - * fsec/cyc * 2^shift * 1nsec/1000000fsec = mult - * (fsec/cyc << shift)/1000000 = mult - * (hpet_period << shift)/FSEC_PER_NSEC = mult - */ - tmp = (u64)hpet_period << HPET_SHIFT; - do_div(tmp, FSEC_PER_NSEC); - clocksource_hpet.mult = (u32)tmp; - - return clocksource_register(&clocksource_hpet); -} - -module_init(init_hpet_clocksource); #ifdef CONFIG_HPET_EMULATE_RTC diff --git a/arch/i386/kernel/i8253.c b/arch/i386/kernel/i8253.c index a6bc7bb3883..5cbb776b308 100644 --- a/arch/i386/kernel/i8253.c +++ b/arch/i386/kernel/i8253.c @@ -195,4 +195,4 @@ static int __init init_pit_clocksource(void) clocksource_pit.mult = clocksource_hz2mult(CLOCK_TICK_RATE, 20); return clocksource_register(&clocksource_pit); } -module_init(init_pit_clocksource); +arch_initcall(init_pit_clocksource); diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 4ccebd454e2..e4408ff4e67 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -343,7 +343,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask) break; entry = irq_2_pin + entry->next; } - set_native_irq_info(irq, cpumask); + irq_desc[irq].affinity = cpumask; spin_unlock_irqrestore(&ioapic_lock, flags); } @@ -1354,7 +1354,6 @@ static void __init setup_IO_APIC_irqs(void) } spin_lock_irqsave(&ioapic_lock, flags); __ioapic_write_entry(apic, pin, entry); - set_native_irq_info(irq, TARGET_CPUS); spin_unlock_irqrestore(&ioapic_lock, flags); } } @@ -2585,7 +2584,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) msg.address_lo |= MSI_ADDR_DEST_ID(dest); write_msi_msg(irq, &msg); - set_native_irq_info(irq, mask); + irq_desc[irq].affinity = mask; } #endif /* CONFIG_SMP */ @@ -2669,7 +2668,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) dest = cpu_mask_to_apicid(mask); target_ht_irq(irq, dest); - set_native_irq_info(irq, mask); + irq_desc[irq].affinity = mask; } #endif @@ -2875,7 +2874,6 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int a spin_lock_irqsave(&ioapic_lock, flags); __ioapic_write_entry(ioapic, pin, entry); - set_native_irq_info(irq, TARGET_CPUS); spin_unlock_irqrestore(&ioapic_lock, flags); return 0; diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c index 0f2ca590bf2..8db8d514c9c 100644 --- a/arch/i386/kernel/irq.c +++ b/arch/i386/kernel/irq.c @@ -18,8 +18,6 @@ #include <linux/cpu.h> #include <linux/delay.h> -#include <asm/idle.h> - #include <asm/apic.h> #include <asm/uaccess.h> @@ -77,7 +75,6 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs) union irq_ctx *curctx, *irqctx; u32 *isp; #endif - exit_idle(); if (unlikely((unsigned)irq >= NR_IRQS)) { printk(KERN_EMERG "%s: cannot handle IRQ %d\n", diff --git a/arch/i386/kernel/paravirt.c b/arch/i386/kernel/paravirt.c index c156ecfa387..2ec331e03fa 100644 --- a/arch/i386/kernel/paravirt.c +++ b/arch/i386/kernel/paravirt.c @@ -32,6 +32,7 @@ #include <asm/fixmap.h> #include <asm/apic.h> #include <asm/tlbflush.h> +#include <asm/timer.h> /* nop stub */ static void native_nop(void) @@ -493,7 +494,7 @@ struct paravirt_ops paravirt_ops = { .memory_setup = machine_specific_memory_setup, .get_wallclock = native_get_wallclock, .set_wallclock = native_set_wallclock, - .time_init = time_init_hook, + .time_init = hpet_time_init, .init_IRQ = native_init_IRQ, .cpuid = native_cpuid, @@ -520,6 +521,8 @@ struct paravirt_ops paravirt_ops = { .write_msr = native_write_msr, .read_tsc = native_read_tsc, .read_pmc = native_read_pmc, + .get_scheduled_cycles = native_read_tsc, + .get_cpu_khz = native_calculate_cpu_khz, .load_tr_desc = native_load_tr_desc, .set_ldt = native_set_ldt, .load_gdt = native_load_gdt, @@ -535,7 +538,6 @@ struct paravirt_ops paravirt_ops = { .set_iopl_mask = native_set_iopl_mask, .io_delay = native_io_delay, - .const_udelay = __const_udelay, #ifdef CONFIG_X86_LOCAL_APIC .apic_write = native_apic_write, @@ -550,6 +552,8 @@ struct paravirt_ops paravirt_ops = { .flush_tlb_kernel = native_flush_tlb_global, .flush_tlb_single = native_flush_tlb_single, + .map_pt_hook = (void *)native_nop, + .alloc_pt = (void *)native_nop, .alloc_pd = (void *)native_nop, .alloc_pd_clone = (void *)native_nop, diff --git a/arch/i386/kernel/pci-dma.c b/arch/i386/kernel/pci-dma.c index 41af692c158..3ebcea03362 100644 --- a/arch/i386/kernel/pci-dma.c +++ b/arch/i386/kernel/pci-dma.c @@ -110,7 +110,7 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, return DMA_MEMORY_IO; free1_out: - kfree(dev->dma_mem->bitmap); + kfree(dev->dma_mem); out: if (mem_base) iounmap(mem_base); diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index bea304d48cd..393a67d5d94 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -49,7 +49,6 @@ #include <asm/i387.h> #include <asm/desc.h> #include <asm/vm86.h> -#include <asm/idle.h> #ifdef CONFIG_MATH_EMULATION #include <asm/math_emu.h> #endif @@ -82,42 +81,6 @@ void (*pm_idle)(void); EXPORT_SYMBOL(pm_idle); static DEFINE_PER_CPU(unsigned int, cpu_idle_state); -static ATOMIC_NOTIFIER_HEAD(idle_notifier); - -void idle_notifier_register(struct notifier_block *n) -{ - atomic_notifier_chain_register(&idle_notifier, n); -} - -void idle_notifier_unregister(struct notifier_block *n) -{ - atomic_notifier_chain_unregister(&idle_notifier, n); -} - -static DEFINE_PER_CPU(volatile unsigned long, idle_state); - -void enter_idle(void) -{ - /* needs to be atomic w.r.t. interrupts, not against other CPUs */ - __set_bit(0, &__get_cpu_var(idle_state)); - atomic_notifier_call_chain(&idle_notifier, IDLE_START, NULL); -} - -static void __exit_idle(void) -{ - /* needs to be atomic w.r.t. interrupts, not against other CPUs */ - if (__test_and_clear_bit(0, &__get_cpu_var(idle_state)) == 0) - return; - atomic_notifier_call_chain(&idle_notifier, IDLE_END, NULL); -} - -void exit_idle(void) -{ - if (current->pid) - return; - __exit_idle(); -} - void disable_hlt(void) { hlt_counter++; @@ -168,7 +131,6 @@ EXPORT_SYMBOL(default_idle); */ static void poll_idle (void) { - local_irq_enable(); cpu_relax(); } @@ -229,16 +191,7 @@ void cpu_idle(void) play_dead(); __get_cpu_var(irq_stat).idle_timestamp = jiffies; - - /* - * Idle routines should keep interrupts disabled - * from here on, until they go to idle. - * Otherwise, idle callbacks can misfire. - */ - local_irq_disable(); - enter_idle(); idle(); - __exit_idle(); } tick_nohz_restart_sched_tick(); preempt_enable_no_resched(); @@ -293,11 +246,7 @@ void mwait_idle_with_hints(unsigned long eax, unsigned long ecx) __monitor((void *)¤t_thread_info()->flags, 0, 0); smp_mb(); if (!need_resched()) - __sti_mwait(eax, ecx); - else - local_irq_enable(); - } else { - local_irq_enable(); + __mwait(eax, ecx); } } diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index 122623dcc6e..698c24fe482 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -657,5 +657,4 @@ void __init setup_arch(char **cmdline_p) conswitchp = &dummy_con; #endif #endif - tsc_init(); } diff --git a/arch/i386/kernel/smp.c b/arch/i386/kernel/smp.c index 9bd9637ae69..0e8977871b1 100644 --- a/arch/i386/kernel/smp.c +++ b/arch/i386/kernel/smp.c @@ -23,7 +23,6 @@ #include <asm/mtrr.h> #include <asm/tlbflush.h> -#include <asm/idle.h> #include <mach_apic.h> /* @@ -624,7 +623,6 @@ fastcall void smp_call_function_interrupt(struct pt_regs *regs) /* * At this point the info structure may be out of scope unless wait==1 */ - exit_idle(); irq_enter(); (*func)(info); irq_exit(); diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index 48bfcaa13ec..4ff55e67557 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -33,11 +33,6 @@ * Dave Jones : Report invalid combinations of Athlon CPUs. * Rusty Russell : Hacked into shape for new "hotplug" boot process. */ - -/* SMP boot always wants to use real time delay to allow sufficient time for - * the APs to come online */ -#define USE_REAL_TIME_DELAY - #include <linux/module.h> #include <linux/init.h> #include <linux/kernel.h> @@ -50,6 +45,7 @@ #include <linux/notifier.h> #include <linux/cpu.h> #include <linux/percpu.h> +#include <linux/nmi.h> #include <linux/delay.h> #include <linux/mc146818rtc.h> @@ -1283,8 +1279,9 @@ void __cpu_die(unsigned int cpu) int __cpuinit __cpu_up(unsigned int cpu) { + unsigned long flags; #ifdef CONFIG_HOTPLUG_CPU - int ret=0; + int ret = 0; /* * We do warm boot only on cpus that had booted earlier @@ -1302,23 +1299,25 @@ int __cpuinit __cpu_up(unsigned int cpu) /* In case one didn't come up */ if (!cpu_isset(cpu, cpu_callin_map)) { printk(KERN_DEBUG "skipping cpu%d, didn't come online\n", cpu); - local_irq_enable(); return -EIO; } - local_irq_enable(); - per_cpu(cpu_state, cpu) = CPU_UP_PREPARE; /* Unleash the CPU! */ cpu_set(cpu, smp_commenced_mask); /* - * Check TSC synchronization with the AP: + * Check TSC synchronization with the AP (keep irqs disabled + * while doing so): */ + local_irq_save(flags); check_tsc_sync_source(cpu); + local_irq_restore(flags); - while (!cpu_isset(cpu, cpu_online_map)) + while (!cpu_isset(cpu, cpu_online_map)) { cpu_relax(); + touch_nmi_watchdog(); + } #ifdef CONFIG_X86_GENERICARCH if (num_online_cpus() > 8 && genapic == &apic_default) diff --git a/arch/i386/kernel/time.c b/arch/i386/kernel/time.c index a5350059557..94e5cb09110 100644 --- a/arch/i386/kernel/time.c +++ b/arch/i386/kernel/time.c @@ -262,14 +262,23 @@ void notify_arch_cmos_timer(void) extern void (*late_time_init)(void); /* Duplicate of time_init() below, with hpet_enable part added */ -static void __init hpet_time_init(void) +void __init hpet_time_init(void) { if (!hpet_enable()) setup_pit_timer(); - do_time_init(); + time_init_hook(); } +/* + * This is called directly from init code; we must delay timer setup in the + * HPET case as we can't make the decision to turn on HPET this early in the + * boot process. + * + * The chosen time_init function will usually be hpet_time_init, above, but + * in the case of virtual hardware, an alternative function may be substituted. + */ void __init time_init(void) { - late_time_init = hpet_time_init; + tsc_init(); + late_time_init = choose_time_init(); } diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c index 3082a418635..602660df455 100644 --- a/arch/i386/kernel/tsc.c +++ b/arch/i386/kernel/tsc.c @@ -14,6 +14,7 @@ #include <asm/delay.h> #include <asm/tsc.h> #include <asm/io.h> +#include <asm/timer.h> #include "mach_timer.h" @@ -23,7 +24,6 @@ * an extra value to store the TSC freq */ unsigned int tsc_khz; -unsigned long long (*custom_sched_clock)(void); int tsc_disable; @@ -102,9 +102,6 @@ unsigned long long sched_clock(void) { unsigned long long this_offset; - if (unlikely(custom_sched_clock)) - return (*custom_sched_clock)(); - /* * Fall back to jiffies if there's no TSC available: */ @@ -113,13 +110,13 @@ unsigned long long sched_clock(void) return (jiffies_64 - INITIAL_JIFFIES) * (1000000000 / HZ); /* read the Time Stamp Counter: */ - rdtscll(this_offset); + get_scheduled_cycles(this_offset); /* return the value in ns */ return cycles_2_ns(this_offset); } -static unsigned long calculate_cpu_khz(void) +unsigned long native_calculate_cpu_khz(void) { unsigned long long start, end; unsigned long count; @@ -186,34 +183,6 @@ int recalibrate_cpu_khz(void) EXPORT_SYMBOL(recalibrate_cpu_khz); -void __init tsc_init(void) -{ - if (!cpu_has_tsc || tsc_disable) - goto out_no_tsc; - - cpu_khz = calculate_cpu_khz(); - tsc_khz = cpu_khz; - - if (!cpu_khz) - goto out_no_tsc; - - printk("Detected %lu.%03lu MHz processor.\n", - (unsigned long)cpu_khz / 1000, - (unsigned long)cpu_khz % 1000); - - set_cyc2ns_scale(cpu_khz); - use_tsc_delay(); - return; - -out_no_tsc: - /* - * Set the tsc_disable flag if there's no TSC support, this - * makes it a fast flag for the kernel to see whether it - * should be using the TSC. - */ - tsc_disable = 1; -} - #ifdef CONFIG_CPU_FREQ /* @@ -383,28 +352,47 @@ static void __init check_geode_tsc_reliable(void) static inline void check_geode_tsc_reliable(void) { } #endif -static int __init init_tsc_clocksource(void) + +void __init tsc_init(void) { + if (!cpu_has_tsc || tsc_disable) + goto out_no_tsc; - if (cpu_has_tsc && tsc_khz && !tsc_disable) { - /* check blacklist */ - dmi_check_system(bad_tsc_dmi_table); + cpu_khz = calculate_cpu_khz(); + tsc_khz = cpu_khz; - unsynchronized_tsc(); - check_geode_tsc_reliable(); - current_tsc_khz = tsc_khz; - clocksource_tsc.mult = clocksource_khz2mult(current_tsc_khz, - clocksource_tsc.shift); - /* lower the rating if we already know its unstable: */ - if (check_tsc_unstable()) { - clocksource_tsc.rating = 0; - clocksource_tsc.flags &= ~CLOCK_SOURCE_IS_CONTINUOUS; - } + if (!cpu_khz) + goto out_no_tsc; + + printk("Detected %lu.%03lu MHz processor.\n", + (unsigned long)cpu_khz / 1000, + (unsigned long)cpu_khz % 1000); + + set_cyc2ns_scale(cpu_khz); + use_tsc_delay(); - return clocksource_register(&clocksource_tsc); + /* Check and install the TSC clocksource */ + dmi_check_system(bad_tsc_dmi_table); + + unsynchronized_tsc(); + check_geode_tsc_reliable(); + current_tsc_khz = tsc_khz; + clocksource_tsc.mult = clocksource_khz2mult(current_tsc_khz, + clocksource_tsc.shift); + /* lower the rating if we already know its unstable: */ + if (check_tsc_unstable()) { + clocksource_tsc.rating = 0; + clocksource_tsc.flags &= ~CLOCK_SOURCE_IS_CONTINUOUS; } + clocksource_register(&clocksource_tsc); - return 0; -} + return; -module_init(init_tsc_clocksource); +out_no_tsc: + /* + * Set the tsc_disable flag if there's no TSC support, this + * makes it a fast flag for the kernel to see whether it + * should be using the TSC. + */ + tsc_disable = 1; +} diff --git a/arch/i386/kernel/vmi.c b/arch/i386/kernel/vmi.c index bb5a7abf949..fbf45fa0832 100644 --- a/arch/i386/kernel/vmi.c +++ b/arch/i386/kernel/vmi.c @@ -35,6 +35,7 @@ #include <asm/processor.h> #include <asm/timer.h> #include <asm/vmi_time.h> +#include <asm/kmap_types.h> /* Convenient for calling VMI functions indirectly in the ROM */ typedef u32 __attribute__((regparm(1))) (VROMFUNC)(void); @@ -48,12 +49,13 @@ typedef u64 __attribute__((regparm(2))) (VROMLONGFUNC)(int); static struct vrom_header *vmi_rom; static int license_gplok; -static int disable_nodelay; static int disable_pge; static int disable_pse; static int disable_sep; static int disable_tsc; static int disable_mtrr; +static int disable_noidle; +static int disable_vmi_timer; /* Cached VMI operations */ struct { @@ -255,7 +257,6 @@ static void vmi_nop(void) } /* For NO_IDLE_HZ, we stop the clock when halting the kernel */ -#ifdef CONFIG_NO_IDLE_HZ static fastcall void vmi_safe_halt(void) { int idle = vmi_stop_hz_timer(); @@ -266,7 +267,6 @@ static fastcall void vmi_safe_halt(void) local_irq_enable(); } } -#endif #ifdef CONFIG_DEBUG_PAGE_TYPE @@ -371,6 +371,24 @@ static void vmi_check_page_type(u32 pfn, int type) #define vmi_check_page_type(p,t) do { } while (0) #endif +static void vmi_map_pt_hook(int type, pte_t *va, u32 pfn) +{ + /* + * Internally, the VMI ROM must map virtual addresses to physical + * addresses for processing MMU updates. By the time MMU updates + * are issued, this information is typically already lost. + * Fortunately, the VMI provides a cache of mapping slots for active + * page tables. + * + * We use slot zero for the linear mapping of physical memory, and + * in HIGHPTE kernels, slot 1 and 2 for KM_PTE0 and KM_PTE1. + * + * args: SLOT VA COUNT PFN + */ + BUG_ON(type != KM_PTE0 && type != KM_PTE1); + vmi_ops.set_linear_mapping((type - KM_PTE0)+1, (u32)va, 1, pfn); +} + static void vmi_allocate_pt(u32 pfn) { vmi_set_page_type(pfn, VMI_PAGE_L1); @@ -508,13 +526,14 @@ void vmi_pmd_clear(pmd_t *pmd) #endif #ifdef CONFIG_SMP -struct vmi_ap_state ap; extern void setup_pda(void); -static void __init /* XXX cpu hotplug */ +static void __devinit vmi_startup_ipi_hook(int phys_apicid, unsigned long start_eip, unsigned long start_esp) { + struct vmi_ap_state ap; + /* Default everything to zero. This is fine for most GPRs. */ memset(&ap, 0, sizeof(struct vmi_ap_state)); @@ -553,7 +572,7 @@ vmi_startup_ipi_hook(int phys_apicid, unsigned long start_eip, /* Protected mode, paging, AM, WP, NE, MP. */ ap.cr0 = 0x80050023; ap.cr4 = mmu_cr4_features; - vmi_ops.set_initial_ap_state(__pa(&ap), phys_apicid); + vmi_ops.set_initial_ap_state((u32)&ap, phys_apicid); } #endif @@ -645,12 +664,12 @@ static inline int __init probe_vmi_rom(void) void vmi_bringup(void) { /* We must establish the lowmem mapping for MMU ops to work */ - if (vmi_rom) + if (vmi_ops.set_linear_mapping) vmi_ops.set_linear_mapping(0, __PAGE_OFFSET, max_low_pfn, 0); } /* - * Return a pointer to the VMI function or a NOP stub + * Return a pointer to a VMI function or NULL if unimplemented */ static void *vmi_get_function(int vmicall) { @@ -661,12 +680,13 @@ static void *vmi_get_function(int vmicall) if (rel->type == VMI_RELOCATION_CALL_REL) return (void *)rel->eip; else - return (void *)vmi_nop; + return NULL; } /* * Helper macro for making the VMI paravirt-ops fill code readable. - * For unimplemented operations, fall back to default. + * For unimplemented operations, fall back to default, unless nop + * is returned by the ROM. */ #define para_fill(opname, vmicall) \ do { \ @@ -675,9 +695,29 @@ do { \ if (rel->type != VMI_RELOCATION_NONE) { \ BUG_ON(rel->type != VMI_RELOCATION_CALL_REL); \ paravirt_ops.opname = (void *)rel->eip; \ + } else if (rel->type == VMI_RELOCATION_NOP) \ + paravirt_ops.opname = (void *)vmi_nop; \ +} while (0) + +/* + * Helper macro for making the VMI paravirt-ops fill code readable. + * For cached operations which do not match the VMI ROM ABI and must + * go through a tranlation stub. Ignore NOPs, since it is not clear + * a NOP * VMI function corresponds to a NOP paravirt-op when the + * functions are not in 1-1 correspondence. + */ +#define para_wrap(opname, wrapper, cache, vmicall) \ +do { \ + reloc = call_vrom_long_func(vmi_rom, get_reloc, \ + VMI_CALL_##vmicall); \ + BUG_ON(rel->type == VMI_RELOCATION_JUMP_REL); \ + if (rel->type == VMI_RELOCATION_CALL_REL) { \ + paravirt_ops.opname = wrapper; \ + vmi_ops.cache = (void *)rel->eip; \ } \ } while (0) + /* * Activate the VMI interface and switch into paravirtualized mode */ @@ -714,13 +754,8 @@ static inline int __init activate_vmi(void) * rdpmc is not yet used in Linux */ - /* CPUID is special, so very special */ - reloc = call_vrom_long_func(vmi_rom, get_reloc, VMI_CALL_CPUID); - if (rel->type != VMI_RELOCATION_NONE) { - BUG_ON(rel->type != VMI_RELOCATION_CALL_REL); - vmi_ops.cpuid = (void *)rel->eip; - paravirt_ops.cpuid = vmi_cpuid; - } + /* CPUID is special, so very special it gets wrapped like a present */ + para_wrap(cpuid, vmi_cpuid, cpuid, CPUID); para_fill(clts, CLTS); para_fill(get_debugreg, GetDR); @@ -737,38 +772,26 @@ static inline int __init activate_vmi(void) para_fill(restore_fl, SetInterruptMask); para_fill(irq_disable, DisableInterrupts); para_fill(irq_enable, EnableInterrupts); + /* irq_save_disable !!! sheer pain */ patch_offset(&irq_save_disable_callout[IRQ_PATCH_INT_MASK], (char *)paravirt_ops.save_fl); patch_offset(&irq_save_disable_callout[IRQ_PATCH_DISABLE], (char *)paravirt_ops.irq_disable); -#ifndef CONFIG_NO_IDLE_HZ - para_fill(safe_halt, Halt); -#else - vmi_ops.halt = vmi_get_function(VMI_CALL_Halt); - paravirt_ops.safe_halt = vmi_safe_halt; -#endif + para_fill(wbinvd, WBINVD); + para_fill(read_tsc, RDTSC); + + /* The following we emulate with trap and emulate for now */ /* paravirt_ops.read_msr = vmi_rdmsr */ /* paravirt_ops.write_msr = vmi_wrmsr */ - para_fill(read_tsc, RDTSC); /* paravirt_ops.rdpmc = vmi_rdpmc */ - /* TR interface doesn't pass TR value */ - reloc = call_vrom_long_func(vmi_rom, get_reloc, VMI_CALL_SetTR); - if (rel->type != VMI_RELOCATION_NONE) { - BUG_ON(rel->type != VMI_RELOCATION_CALL_REL); - vmi_ops.set_tr = (void *)rel->eip; - paravirt_ops.load_tr_desc = vmi_set_tr; - } + /* TR interface doesn't pass TR value, wrap */ + para_wrap(load_tr_desc, vmi_set_tr, set_tr, SetTR); /* LDT is special, too */ - reloc = call_vrom_long_func(vmi_rom, get_reloc, VMI_CALL_SetLDT); - if (rel->type != VMI_RELOCATION_NONE) { - BUG_ON(rel->type != VMI_RELOCATION_CALL_REL); - vmi_ops._set_ldt = (void *)rel->eip; - paravirt_ops.set_ldt = vmi_set_ldt; - } + para_wrap(set_ldt, vmi_set_ldt, _set_ldt, SetLDT); para_fill(load_gdt, SetGDT); para_fill(load_idt, SetIDT); @@ -779,28 +802,14 @@ static inline int __init activate_vmi(void) para_fill(write_ldt_entry, WriteLDTEntry); para_fill(write_gdt_entry, WriteGDTEntry); para_fill(write_idt_entry, WriteIDTEntry); - reloc = call_vrom_long_func(vmi_rom, get_reloc, - VMI_CALL_UpdateKernelStack); - if (rel->type != VMI_RELOCATION_NONE) { - BUG_ON(rel->type != VMI_RELOCATION_CALL_REL); - vmi_ops.set_kernel_stack = (void *)rel->eip; - paravirt_ops.load_esp0 = vmi_load_esp0; - } - + para_wrap(load_esp0, vmi_load_esp0, set_kernel_stack, UpdateKernelStack); para_fill(set_iopl_mask, SetIOPLMask); - paravirt_ops.io_delay = (void *)vmi_nop; - if (!disable_nodelay) { - paravirt_ops.const_udelay = (void *)vmi_nop; - } - + para_fill(io_delay, IODelay); para_fill(set_lazy_mode, SetLazyMode); - reloc = call_vrom_long_func(vmi_rom, get_reloc, VMI_CALL_FlushTLB); - if (rel->type != VMI_RELOCATION_NONE) { - vmi_ops.flush_tlb = (void *)rel->eip; - paravirt_ops.flush_tlb_user = vmi_flush_tlb_user; - paravirt_ops.flush_tlb_kernel = vmi_flush_tlb_kernel; - } + /* user and kernel flush are just handled with different flags to FlushTLB */ + para_wrap(flush_tlb_user, vmi_flush_tlb_user, flush_tlb, FlushTLB); + para_wrap(flush_tlb_kernel, vmi_flush_tlb_kernel, flush_tlb, FlushTLB); para_fill(flush_tlb_single, InvalPage); /* @@ -815,27 +824,40 @@ static inline int __init activate_vmi(void) vmi_ops.set_pte = vmi_get_function(VMI_CALL_SetPxE); vmi_ops.update_pte = vmi_get_function(VMI_CALL_UpdatePxE); #endif - vmi_ops.set_linear_mapping = vmi_get_function(VMI_CALL_SetLinearMapping); - vmi_ops.allocate_page = vmi_get_function(VMI_CALL_AllocatePage); - vmi_ops.release_page = vmi_get_function(VMI_CALL_ReleasePage); - paravirt_ops.alloc_pt = vmi_allocate_pt; - paravirt_ops.alloc_pd = vmi_allocate_pd; - paravirt_ops.alloc_pd_clone = vmi_allocate_pd_clone; - paravirt_ops.release_pt = vmi_release_pt; - paravirt_ops.release_pd = vmi_release_pd; - paravirt_ops.set_pte = vmi_set_pte; - paravirt_ops.set_pte_at = vmi_set_pte_at; - paravirt_ops.set_pmd = vmi_set_pmd; - paravirt_ops.pte_update = vmi_update_pte; - paravirt_ops.pte_update_defer = vmi_update_pte_defer; + if (vmi_ops.set_pte) { + paravirt_ops.set_pte = vmi_set_pte; + paravirt_ops.set_pte_at = vmi_set_pte_at; + paravirt_ops.set_pmd = vmi_set_pmd; #ifdef CONFIG_X86_PAE - paravirt_ops.set_pte_atomic = vmi_set_pte_atomic; - paravirt_ops.set_pte_present = vmi_set_pte_present; - paravirt_ops.set_pud = vmi_set_pud; - paravirt_ops.pte_clear = vmi_pte_clear; - paravirt_ops.pmd_clear = vmi_pmd_clear; + paravirt_ops.set_pte_atomic = vmi_set_pte_atomic; + paravirt_ops.set_pte_present = vmi_set_pte_present; + paravirt_ops.set_pud = vmi_set_pud; + paravirt_ops.pte_clear = vmi_pte_clear; + paravirt_ops.pmd_clear = vmi_pmd_clear; #endif + } + + if (vmi_ops.update_pte) { + paravirt_ops.pte_update = vmi_update_pte; + paravirt_ops.pte_update_defer = vmi_update_pte_defer; + } + + vmi_ops.allocate_page = vmi_get_function(VMI_CALL_AllocatePage); + if (vmi_ops.allocate_page) { + paravirt_ops.alloc_pt = vmi_allocate_pt; + paravirt_ops.alloc_pd = vmi_allocate_pd; + paravirt_ops.alloc_pd_clone = vmi_allocate_pd_clone; + } + + vmi_ops.release_page = vmi_get_function(VMI_CALL_ReleasePage); + if (vmi_ops.release_page) { + paravirt_ops.release_pt = vmi_release_pt; + paravirt_ops.release_pd = vmi_release_pd; + } + para_wrap(map_pt_hook, vmi_map_pt_hook, set_linear_mapping, + SetLinearMapping); + /* * These MUST always be patched. Don't support indirect jumps * through these operations, as the VMI interface may use either @@ -847,21 +869,20 @@ static inline int __init activate_vmi(void) paravirt_ops.iret = (void *)0xbadbab0; #ifdef CONFIG_SMP - paravirt_ops.startup_ipi_hook = vmi_startup_ipi_hook; - vmi_ops.set_initial_ap_state = vmi_get_function(VMI_CALL_SetInitialAPState); + para_wrap(startup_ipi_hook, vmi_startup_ipi_hook, set_initial_ap_state, SetInitialAPState); #endif #ifdef CONFIG_X86_LOCAL_APIC - paravirt_ops.apic_read = vmi_get_function(VMI_CALL_APICRead); - paravirt_ops.apic_write = vmi_get_function(VMI_CALL_APICWrite); - paravirt_ops.apic_write_atomic = vmi_get_function(VMI_CALL_APICWrite); + para_fill(apic_read, APICRead); + para_fill(apic_write, APICWrite); + para_fill(apic_write_atomic, APICWrite); #endif /* * Check for VMI timer functionality by probing for a cycle frequency method */ reloc = call_vrom_long_func(vmi_rom, get_reloc, VMI_CALL_GetCycleFrequency); - if (rel->type != VMI_RELOCATION_NONE) { + if (!disable_vmi_timer && rel->type != VMI_RELOCATION_NONE) { vmi_timer_ops.get_cycle_frequency = (void *)rel->eip; vmi_timer_ops.get_cycle_counter = vmi_get_function(VMI_CALL_GetCycleCounter); @@ -879,9 +900,22 @@ static inline int __init activate_vmi(void) paravirt_ops.setup_boot_clock = vmi_timer_setup_boot_alarm; paravirt_ops.setup_secondary_clock = vmi_timer_setup_secondary_alarm; #endif - custom_sched_clock = vmi_sched_clock; + paravirt_ops.get_scheduled_cycles = vmi_get_sched_cycles; + paravirt_ops.get_cpu_khz = vmi_cpu_khz; + + /* We have true wallclock functions; disable CMOS clock sync */ + no_sync_cmos_clock = 1; + } else { + disable_noidle = 1; + disable_vmi_timer = 1; } + /* No idle HZ mode only works if VMI timer and no idle is enabled */ + if (disable_noidle || disable_vmi_timer) + para_fill(safe_halt, Halt); + else + para_wrap(safe_halt, vmi_safe_halt, halt, Halt); + /* * Alternative instruction rewriting doesn't happen soon enough * to convert VMI_IRET to a call instead of a jump; so we have @@ -914,7 +948,9 @@ void __init vmi_init(void) local_irq_save(flags); activate_vmi(); -#ifdef CONFIG_SMP + +#ifdef CONFIG_X86_IO_APIC + /* This is virtual hardware; timer routing is wired correctly */ no_timer_check = 1; #endif local_irq_restore(flags & X86_EFLAGS_IF); @@ -925,9 +961,7 @@ static int __init parse_vmi(char *arg) if (!arg) return -EINVAL; - if (!strcmp(arg, "disable_nodelay")) - disable_nodelay = 1; - else if (!strcmp(arg, "disable_pge")) { + if (!strcmp(arg, "disable_pge")) { clear_bit(X86_FEATURE_PGE, boot_cpu_data.x86_capability); disable_pge = 1; } else if (!strcmp(arg, "disable_pse")) { @@ -942,7 +976,11 @@ static int __init parse_vmi(char *arg) } else if (!strcmp(arg, "disable_mtrr")) { clear_bit(X86_FEATURE_MTRR, boot_cpu_data.x86_capability); disable_mtrr = 1; - } + } else if (!strcmp(arg, "disable_timer")) { + disable_vmi_timer = 1; + disable_noidle = 1; + } else if (!strcmp(arg, "disable_noidle")) + disable_noidle = 1; return 0; } diff --git a/arch/i386/kernel/vmitime.c b/arch/i386/kernel/vmitime.c index 76d2adcae5a..9dfb17739b6 100644 --- a/arch/i386/kernel/vmitime.c +++ b/arch/i386/kernel/vmitime.c @@ -123,12 +123,10 @@ static struct clocksource clocksource_vmi = { static irqreturn_t vmi_timer_interrupt(int irq, void *dev_id); static struct irqaction vmi_timer_irq = { - vmi_timer_interrupt, - SA_INTERRUPT, - CPU_MASK_NONE, - "VMI-alarm", - NULL, - NULL + .handler = vmi_timer_interrupt, + .flags = IRQF_DISABLED, + .mask = CPU_MASK_NONE, + .name = "VMI-alarm", }; /* Alarm rate */ @@ -153,13 +151,6 @@ static void vmi_get_wallclock_ts(struct timespec *ts) ts->tv_sec = wallclock; } -static void update_xtime_from_wallclock(void) -{ - struct timespec ts; - vmi_get_wallclock_ts(&ts); - do_settimeofday(&ts); -} - unsigned long vmi_get_wallclock(void) { struct timespec ts; @@ -172,11 +163,20 @@ int vmi_set_wallclock(unsigned long now) return -1; } -unsigned long long vmi_sched_clock(void) +unsigned long long vmi_get_sched_cycles(void) { return read_available_cycles(); } +unsigned long vmi_cpu_khz(void) +{ + unsigned long long khz; + + khz = vmi_timer_ops.get_cycle_frequency(); + (void)do_div(khz, 1000); + return khz; +} + void __init vmi_time_init(void) { unsigned long long cycles_per_sec, cycles_per_msec; @@ -188,25 +188,16 @@ void __init vmi_time_init(void) set_intr_gate(LOCAL_TIMER_VECTOR, apic_vmi_timer_interrupt); #endif - no_sync_cmos_clock = 1; - - vmi_get_wallclock_ts(&xtime); - set_normalized_timespec(&wall_to_monotonic, - -xtime.tv_sec, -xtime.tv_nsec); - real_cycles_accounted_system = read_real_cycles(); - update_xtime_from_wallclock(); per_cpu(process_times_cycles_accounted_cpu, 0) = read_available_cycles(); cycles_per_sec = vmi_timer_ops.get_cycle_frequency(); - cycles_per_jiffy = cycles_per_sec; (void)do_div(cycles_per_jiffy, HZ); cycles_per_alarm = cycles_per_sec; (void)do_div(cycles_per_alarm, alarm_hz); cycles_per_msec = cycles_per_sec; (void)do_div(cycles_per_msec, 1000); - cpu_khz = cycles_per_msec; printk(KERN_WARNING "VMI timer cycles/sec = %llu ; cycles/jiffy = %llu ;" "cycles/alarm = %llu\n", cycles_per_sec, cycles_per_jiffy, @@ -250,7 +241,7 @@ void __init vmi_timer_setup_boot_alarm(void) /* Initialize the time accounting variables for an AP on an SMP system. * Also, set the local alarm for the AP. */ -void __init vmi_timer_setup_secondary_alarm(void) +void __devinit vmi_timer_setup_secondary_alarm(void) { int cpu = smp_processor_id(); @@ -276,16 +267,13 @@ static void vmi_account_real_cycles(unsigned long long cur_real_cycles) cycles_not_accounted = cur_real_cycles - real_cycles_accounted_system; while (cycles_not_accounted >= cycles_per_jiffy) { - /* systems wide jiffies and wallclock. */ + /* systems wide jiffies. */ do_timer(1); cycles_not_accounted -= cycles_per_jiffy; real_cycles_accounted_system += cycles_per_jiffy; } - if (vmi_timer_ops.wallclock_updated()) - update_xtime_from_wallclock(); - write_sequnlock(&xtime_lock); } @@ -380,7 +368,6 @@ int vmi_stop_hz_timer(void) unsigned long seq, next; unsigned long long real_cycles_expiry; int cpu = smp_processor_id(); - int idle; BUG_ON(!irqs_disabled()); if (sysctl_hz_timer != 0) @@ -388,13 +375,13 @@ int vmi_stop_hz_timer(void) cpu_set(cpu, nohz_cpu_mask); smp_mb(); + if (rcu_needs_cpu(cpu) || local_softirq_pending() || - (next = next_timer_interrupt(), time_before_eq(next, jiffies))) { + (next = next_timer_interrupt(), + time_before_eq(next, jiffies + HZ/CONFIG_VMI_ALARM_HZ))) { cpu_clear(cpu, nohz_cpu_mask); - next = jiffies; - idle = 0; - } else - idle = 1; + return 0; + } /* Convert jiffies to the real cycle counter. */ do { @@ -404,17 +391,13 @@ int vmi_stop_hz_timer(void) } while (read_seqretry(&xtime_lock, seq)); /* This cpu is going idle. Disable the periodic alarm. */ - if (idle) { - vmi_timer_ops.cancel_alarm(VMI_CYCLES_AVAILABLE); - per_cpu(idle_start_jiffies, cpu) = jiffies; - } - + vmi_timer_ops.cancel_alarm(VMI_CYCLES_AVAILABLE); + per_cpu(idle_start_jiffies, cpu) = jiffies; /* Set the real time alarm to expire at the next event. */ vmi_timer_ops.set_alarm( - VMI_ALARM_WIRING | VMI_ALARM_IS_ONESHOT | VMI_CYCLES_REAL, - real_cycles_expiry, 0); - - return idle; + VMI_ALARM_WIRING | VMI_ALARM_IS_ONESHOT | VMI_CYCLES_REAL, + real_cycles_expiry, 0); + return 1; } static void vmi_reenable_hz_timer(int cpu) diff --git a/arch/i386/lib/Makefile b/arch/i386/lib/Makefile index d86a548b8d5..22d8ac5815f 100644 --- a/arch/i386/lib/Makefile +++ b/arch/i386/lib/Makefile @@ -7,3 +7,5 @@ lib-y = checksum.o delay.o usercopy.o getuser.o putuser.o memcpy.o strstr.o \ bitops.o semaphore.o lib-$(CONFIG_X86_USE_3DNOW) += mmx.o + +obj-$(CONFIG_SMP) += msr-on-cpu.o diff --git a/arch/i386/lib/msr-on-cpu.c b/arch/i386/lib/msr-on-cpu.c new file mode 100644 index 00000000000..1c46bda409f --- /dev/null +++ b/arch/i386/lib/msr-on-cpu.c @@ -0,0 +1,58 @@ +#include <linux/module.h> +#include <linux/preempt.h> +#include <linux/smp.h> +#include <asm/msr.h> + +struct msr_info { + u32 msr_no; + u32 l, h; +}; + +static void __rdmsr_on_cpu(void *info) +{ + struct msr_info *rv = info; + + rdmsr(rv->msr_no, rv->l, rv->h); +} + +void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h) +{ + preempt_disable(); + if (smp_processor_id() == cpu) + rdmsr(msr_no, *l, *h); + else { + struct msr_info rv; + + rv.msr_no = msr_no; + smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 0, 1); + *l = rv.l; + *h = rv.h; + } + preempt_enable(); +} + +static void __wrmsr_on_cpu(void *info) +{ + struct msr_info *rv = info; + + wrmsr(rv->msr_no, rv->l, rv->h); +} + +void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) +{ + preempt_disable(); + if (smp_processor_id() == cpu) + wrmsr(msr_no, l, h); + else { + struct msr_info rv; + + rv.msr_no = msr_no; + rv.l = l; + rv.h = h; + smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 0, 1); + } + preempt_enable(); +} + +EXPORT_SYMBOL(rdmsr_on_cpu); +EXPORT_SYMBOL(wrmsr_on_cpu); diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c index d430d36ae49..0afb4fe7c35 100644 --- a/arch/ia64/ia32/sys_ia32.c +++ b/arch/ia64/ia32/sys_ia32.c @@ -1267,6 +1267,10 @@ sys32_getdents (unsigned int fd, struct compat_dirent __user *dirent, unsigned i struct getdents32_callback buf; int error; + error = -EFAULT; + if (!access_ok(VERIFY_WRITE, dirent, count)) + goto out; + error = -EBADF; file = fget(fd); if (!file) @@ -1283,10 +1287,10 @@ sys32_getdents (unsigned int fd, struct compat_dirent __user *dirent, unsigned i error = buf.error; lastdirent = buf.previous; if (lastdirent) { - error = -EINVAL; if (put_user(file->f_pos, &lastdirent->d_off)) - goto out_putf; - error = count - buf.count; + error = -EFAULT; + else + error = count - buf.count; } out_putf: diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c index 75a2a2c1225..2236fabbb3c 100644 --- a/arch/ia64/kernel/asm-offsets.c +++ b/arch/ia64/kernel/asm-offsets.c @@ -35,6 +35,7 @@ void foo(void) BLANK(); DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); + DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count)); BLANK(); diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 772ba6fe110..49b93682c75 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -21,6 +21,7 @@ * Skip non-WB memory and ignore empty memory ranges. */ #include <linux/module.h> +#include <linux/bootmem.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/types.h> @@ -970,6 +971,11 @@ efi_memmap_init(unsigned long *s, unsigned long *e) if (!is_memory_available(md)) continue; +#ifdef CONFIG_CRASH_DUMP + /* saved_max_pfn should ignore max_addr= command line arg */ + if (saved_max_pfn < (efi_md_end(md) >> PAGE_SHIFT)) + saved_max_pfn = (efi_md_end(md) >> PAGE_SHIFT); +#endif /* * Round ends inward to granule boundaries * Give trimmings to uncached allocator @@ -1177,3 +1183,33 @@ kdump_find_rsvd_region (unsigned long size, return ~0UL; } #endif + +#ifdef CONFIG_PROC_VMCORE +/* locate the size find a the descriptor at a certain address */ +unsigned long +vmcore_find_descriptor_size (unsigned long address) +{ + void *efi_map_start, *efi_map_end, *p; + efi_memory_desc_t *md; + u64 efi_desc_size; + unsigned long ret = 0; + + efi_map_start = __va(ia64_boot_param->efi_memmap); + efi_map_end = efi_map_start + ia64_boot_param->efi_memmap_size; + efi_desc_size = ia64_boot_param->efi_memdesc_size; + + for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) { + md = p; + if (efi_wb(md) && md->type == EFI_LOADER_DATA + && md->phys_addr == address) { + ret = efi_md_size(md); + break; + } + } + + if (ret == 0) + printk(KERN_WARNING "Cannot locate EFI vmcore descriptor\n"); + + return ret; +} +#endif diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S index 7a05b1cb2ad..8589e84a27c 100644 --- a/arch/ia64/kernel/fsys.S +++ b/arch/ia64/kernel/fsys.S @@ -10,6 +10,8 @@ * probably broke it along the way... ;-) * 13-Jul-04 clameter Implement fsys_clock_gettime and revise fsys_gettimeofday to make * it capable of using memory based clocks without falling back to C code. + * 08-Feb-07 Fenghua Yu Implement fsys_getcpu. + * */ #include <asm/asmmacro.h> @@ -505,6 +507,59 @@ EX(.fail_efault, (p15) st8 [r34]=r3) #endif END(fsys_rt_sigprocmask) +/* + * fsys_getcpu doesn't use the third parameter in this implementation. It reads + * current_thread_info()->cpu and corresponding node in cpu_to_node_map. + */ +ENTRY(fsys_getcpu) + .prologue + .altrp b6 + .body + ;; + add r2=TI_FLAGS+IA64_TASK_SIZE,r16 + tnat.nz p6,p0 = r32 // guard against NaT argument + add r3=TI_CPU+IA64_TASK_SIZE,r16 + ;; + ld4 r3=[r3] // M r3 = thread_info->cpu + ld4 r2=[r2] // M r2 = thread_info->flags +(p6) br.cond.spnt.few .fail_einval // B + ;; + tnat.nz p7,p0 = r33 // I guard against NaT argument +(p7) br.cond.spnt.few .fail_einval // B +#ifdef CONFIG_NUMA + movl r17=cpu_to_node_map + ;; +EX(.fail_efault, probe.w.fault r32, 3) // M This takes 5 cycles +EX(.fail_efault, probe.w.fault r33, 3) // M This takes 5 cycles + shladd r18=r3,1,r17 + ;; + ld2 r20=[r18] // r20 = cpu_to_node_map[cpu] + and r2 = TIF_ALLWORK_MASK,r2 + ;; + cmp.ne p8,p0=0,r2 +(p8) br.spnt.many fsys_fallback_syscall + ;; + ;; +EX(.fail_efault, st4 [r32] = r3) +EX(.fail_efault, st2 [r33] = r20) + mov r8=0 + ;; +#else +EX(.fail_efault, probe.w.fault r32, 3) // M This takes 5 cycles +EX(.fail_efault, probe.w.fault r33, 3) // M This takes 5 cycles + and r2 = TIF_ALLWORK_MASK,r2 + ;; + cmp.ne p8,p0=0,r2 +(p8) br.spnt.many fsys_fallback_syscall + ;; +EX(.fail_efault, st4 [r32] = r3) +EX(.fail_efault, st2 [r33] = r0) + mov r8=0 + ;; +#endif + FSYS_RETURN +END(fsys_getcpu) + ENTRY(fsys_fallback_syscall) .prologue .altrp b6 @@ -878,6 +933,56 @@ fsyscall_table: data8 0 // timer_delete data8 0 // clock_settime data8 fsys_clock_gettime // clock_gettime + data8 0 // clock_getres // 1255 + data8 0 // clock_nanosleep + data8 0 // fstatfs64 + data8 0 // statfs64 + data8 0 // mbind + data8 0 // get_mempolicy // 1260 + data8 0 // set_mempolicy + data8 0 // mq_open + data8 0 // mq_unlink + data8 0 // mq_timedsend + data8 0 // mq_timedreceive // 1265 + data8 0 // mq_notify + data8 0 // mq_getsetattr + data8 0 // kexec_load + data8 0 // vserver + data8 0 // waitid // 1270 + data8 0 // add_key + data8 0 // request_key + data8 0 // keyctl + data8 0 // ioprio_set + data8 0 // ioprio_get // 1275 + data8 0 // move_pages + data8 0 // inotify_init + data8 0 // inotify_add_watch + data8 0 // inotify_rm_watch + data8 0 // migrate_pages // 1280 + data8 0 // openat + data8 0 // mkdirat + data8 0 // mknodat + data8 0 // fchownat + data8 0 // futimesat // 1285 + data8 0 // newfstatat + data8 0 // unlinkat + data8 0 // renameat + data8 0 // linkat + data8 0 // symlinkat // 1290 + data8 0 // readlinkat + data8 0 // fchmodat + data8 0 // faccessat + data8 0 + data8 0 // 1295 + data8 0 // unshare + data8 0 // splice + data8 0 // set_robust_list + data8 0 // get_robust_list + data8 0 // sync_file_range // 1300 + data8 0 // tee + data8 0 // vmsplice + data8 0 + data8 fsys_getcpu // getcpu // 1304 // fill in zeros for the remaining entries .zero: diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index d6aab40c641..dcfbf3e7a9e 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -446,7 +446,7 @@ iosapic_end_level_irq (unsigned int irq) #define iosapic_disable_level_irq mask_irq #define iosapic_ack_level_irq nop -struct hw_interrupt_type irq_type_iosapic_level = { +struct irq_chip irq_type_iosapic_level = { .name = "IO-SAPIC-level", .startup = iosapic_startup_level_irq, .shutdown = iosapic_shutdown_level_irq, @@ -454,6 +454,8 @@ struct hw_interrupt_type irq_type_iosapic_level = { .disable = iosapic_disable_level_irq, .ack = iosapic_ack_level_irq, .end = iosapic_end_level_irq, + .mask = mask_irq, + .unmask = unmask_irq, .set_affinity = iosapic_set_affinity }; @@ -493,7 +495,7 @@ iosapic_ack_edge_irq (unsigned int irq) #define iosapic_disable_edge_irq nop #define iosapic_end_edge_irq nop -struct hw_interrupt_type irq_type_iosapic_edge = { +struct irq_chip irq_type_iosapic_edge = { .name = "IO-SAPIC-edge", .startup = iosapic_startup_edge_irq, .shutdown = iosapic_disable_edge_irq, @@ -501,6 +503,8 @@ struct hw_interrupt_type irq_type_iosapic_edge = { .disable = iosapic_disable_edge_irq, .ack = iosapic_ack_edge_irq, .end = iosapic_end_edge_irq, + .mask = mask_irq, + .unmask = unmask_irq, .set_affinity = iosapic_set_affinity }; diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c index 0d05450c91c..e7220900ea1 100644 --- a/arch/ia64/kernel/msi_ia64.c +++ b/arch/ia64/kernel/msi_ia64.c @@ -60,7 +60,7 @@ static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) msg.address_lo = addr; write_msi_msg(irq, &msg); - set_native_irq_info(irq, cpu_mask); + irq_desc[irq].affinity = cpu_mask; } #endif /* CONFIG_SMP */ diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index 9ddf896a137..abc7ad03588 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -2299,7 +2299,7 @@ pfm_remap_buffer(struct vm_area_struct *vma, unsigned long buf, unsigned long ad * allocate a sampling buffer and remaps it into the user address space of the task */ static int -pfm_smpl_buffer_alloc(struct task_struct *task, pfm_context_t *ctx, unsigned long rsize, void **user_vaddr) +pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t *ctx, unsigned long rsize, void **user_vaddr) { struct mm_struct *mm = task->mm; struct vm_area_struct *vma = NULL; @@ -2349,6 +2349,7 @@ pfm_smpl_buffer_alloc(struct task_struct *task, pfm_context_t *ctx, unsigned lon * partially initialize the vma for the sampling buffer */ vma->vm_mm = mm; + vma->vm_file = filp; vma->vm_flags = VM_READ| VM_MAYREAD |VM_RESERVED; vma->vm_page_prot = PAGE_READONLY; /* XXX may need to change */ @@ -2387,6 +2388,8 @@ pfm_smpl_buffer_alloc(struct task_struct *task, pfm_context_t *ctx, unsigned lon goto error; } + get_file(filp); + /* * now insert the vma in the vm list for the process, must be * done with mmap lock held @@ -2464,7 +2467,7 @@ pfarg_is_sane(struct task_struct *task, pfarg_context_t *pfx) } static int -pfm_setup_buffer_fmt(struct task_struct *task, pfm_context_t *ctx, unsigned int ctx_flags, +pfm_setup_buffer_fmt(struct task_struct *task, struct file *filp, pfm_context_t *ctx, unsigned int ctx_flags, unsigned int cpu, pfarg_context_t *arg) { pfm_buffer_fmt_t *fmt = NULL; @@ -2505,7 +2508,7 @@ pfm_setup_buffer_fmt(struct task_struct *task, pfm_context_t *ctx, unsigned int /* * buffer is always remapped into the caller's address space */ - ret = pfm_smpl_buffer_alloc(current, ctx, size, &uaddr); + ret = pfm_smpl_buffer_alloc(current, filp, ctx, size, &uaddr); if (ret) goto error; /* keep track of user address of buffer */ @@ -2716,7 +2719,7 @@ pfm_context_create(pfm_context_t *ctx, void *arg, int count, struct pt_regs *reg * does the user want to sample? */ if (pfm_uuid_cmp(req->ctx_smpl_buf_id, pfm_null_uuid)) { - ret = pfm_setup_buffer_fmt(current, ctx, ctx_flags, 0, req); + ret = pfm_setup_buffer_fmt(current, filp, ctx, ctx_flags, 0, req); if (ret) goto buffer_error; } diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index 5fa09d141ab..339e8a54c2f 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -91,8 +91,6 @@ static struct resource code_resource = { .name = "Kernel code", .flags = IORESOURCE_BUSY | IORESOURCE_MEM }; -extern void efi_initialize_iomem_resources(struct resource *, - struct resource *); extern char _text[], _end[], _etext[]; unsigned long ia64_max_cacheline_size; @@ -251,6 +249,12 @@ reserve_memory (void) } #endif +#ifdef CONFIG_PROC_VMCORE + if (reserve_elfcorehdr(&rsvd_region[n].start, + &rsvd_region[n].end) == 0) + n++; +#endif + efi_memmap_init(&rsvd_region[n].start, &rsvd_region[n].end); n++; @@ -453,6 +457,30 @@ static int __init parse_elfcorehdr(char *arg) return 0; } early_param("elfcorehdr", parse_elfcorehdr); + +int __init reserve_elfcorehdr(unsigned long *start, unsigned long *end) +{ + unsigned long length; + + /* We get the address using the kernel command line, + * but the size is extracted from the EFI tables. + * Both address and size are required for reservation + * to work properly. + */ + + if (elfcorehdr_addr >= ELFCORE_ADDR_MAX) + return -EINVAL; + + if ((length = vmcore_find_descriptor_size(elfcorehdr_addr)) == 0) { + elfcorehdr_addr = ELFCORE_ADDR_MAX; + return -EINVAL; + } + + *start = (unsigned long)__va(elfcorehdr_addr); + *end = *start + length; + return 0; +} + #endif /* CONFIG_PROC_VMCORE */ void __init diff --git a/arch/ia64/lib/Makefile b/arch/ia64/lib/Makefile index 38fa6e49e79..46edf8444c7 100644 --- a/arch/ia64/lib/Makefile +++ b/arch/ia64/lib/Makefile @@ -9,12 +9,11 @@ lib-y := __divsi3.o __udivsi3.o __modsi3.o __umodsi3.o \ checksum.o clear_page.o csum_partial_copy.o \ clear_user.o strncpy_from_user.o strlen_user.o strnlen_user.o \ flush.o ip_fast_csum.o do_csum.o \ - memset.o strlen.o + memset.o strlen.o xor.o lib-$(CONFIG_ITANIUM) += copy_page.o copy_user.o memcpy.o lib-$(CONFIG_MCKINLEY) += copy_page_mck.o memcpy_mck.o lib-$(CONFIG_PERFMON) += carta_random.o -lib-$(CONFIG_MD_RAID456) += xor.o AFLAGS___divdi3.o = AFLAGS___udivdi3.o = -DUNSIGNED diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index ca4d41e5f17..fb0f4698f5d 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -197,11 +197,6 @@ find_memory (void) find_initrd(); -#ifdef CONFIG_CRASH_DUMP - /* If we are doing a crash dump, we still need to know the real mem - * size before original memory map is reset. */ - saved_max_pfn = max_pfn; -#endif } #ifdef CONFIG_SMP diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 16835108bb5..11a2d8825d8 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -480,12 +480,6 @@ void __init find_memory(void) max_pfn = max_low_pfn; find_initrd(); - -#ifdef CONFIG_CRASH_DUMP - /* If we are doing a crash dump, we still need to know the real mem - * size before original memory map is reset. */ - saved_max_pfn = max_pfn; -#endif } #ifdef CONFIG_SMP diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c index 8c5bee01eaa..8d2a1bfbfe7 100644 --- a/arch/ia64/sn/kernel/irq.c +++ b/arch/ia64/sn/kernel/irq.c @@ -205,7 +205,17 @@ static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask) (void)sn_retarget_vector(sn_irq_info, nasid, slice); } -struct hw_interrupt_type irq_type_sn = { +static void +sn_mask_irq(unsigned int irq) +{ +} + +static void +sn_unmask_irq(unsigned int irq) +{ +} + +struct irq_chip irq_type_sn = { .name = "SN hub", .startup = sn_startup_irq, .shutdown = sn_shutdown_irq, @@ -213,6 +223,8 @@ struct hw_interrupt_type irq_type_sn = { .disable = sn_disable_irq, .ack = sn_ack_irq, .end = sn_end_irq, + .mask = sn_mask_irq, + .unmask = sn_unmask_irq, .set_affinity = sn_set_affinity_irq }; diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c index ea3dc38d73f..49873aa4a37 100644 --- a/arch/ia64/sn/kernel/msi_sn.c +++ b/arch/ia64/sn/kernel/msi_sn.c @@ -204,7 +204,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff); write_msi_msg(irq, &msg); - set_native_irq_info(irq, cpu_mask); + irq_desc[irq].affinity = cpu_mask; } #endif /* CONFIG_SMP */ diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c index d5c25d27b64..8133b104735 100644 --- a/arch/m68knommu/kernel/setup.c +++ b/arch/m68knommu/kernel/setup.c @@ -51,7 +51,7 @@ static void dummy_waitbut(void) { } -void (*mach_sched_init) (irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void (*mach_sched_init) (irq_handler_t handler); void (*mach_tick)( void ); /* machine dependent keyboard functions */ int (*mach_keyb_init) (void); @@ -66,7 +66,7 @@ void (*mach_trap_init) (void); /* machine dependent timer functions */ unsigned long (*mach_gettimeoffset) (void); void (*mach_gettod) (int*, int*, int*, int*, int*, int*); -int (*mach_hwclk) (int, struct hwclk_time*); +int (*mach_hwclk) (int, struct rtc_time*); int (*mach_set_clock_mmss) (unsigned long); void (*mach_mksound)( unsigned int count, unsigned int ticks ); void (*mach_reset)( void ); diff --git a/arch/m68knommu/platform/5307/ints.c b/arch/m68knommu/platform/5307/ints.c index 20f12a19a52..751633038c4 100644 --- a/arch/m68knommu/platform/5307/ints.c +++ b/arch/m68knommu/platform/5307/ints.c @@ -42,7 +42,6 @@ static irq_node_t nodes[NUM_IRQ_NODES]; /* The number of spurious interrupts */ volatile unsigned int num_spurious; -unsigned int local_bh_count[NR_CPUS]; unsigned int local_irq_count[NR_CPUS]; static irqreturn_t default_irq_handler(int irq, void *ptr) diff --git a/arch/m68knommu/platform/68328/ints.c b/arch/m68knommu/platform/68328/ints.c index 2dda7339aae..3de6e337554 100644 --- a/arch/m68knommu/platform/68328/ints.c +++ b/arch/m68knommu/platform/68328/ints.c @@ -15,6 +15,7 @@ #include <linux/sched.h> #include <linux/kernel_stat.h> #include <linux/errno.h> +#include <linux/interrupt.h> #include <asm/system.h> #include <asm/irq.h> @@ -64,7 +65,7 @@ asmlinkage void trap44(void); asmlinkage void trap45(void); asmlinkage void trap46(void); asmlinkage void trap47(void); -asmlinkage irqreturn_t bad_interrupt(int, void *, struct pt_regs *); +asmlinkage irqreturn_t bad_interrupt(int, void *); asmlinkage irqreturn_t inthandler(void); asmlinkage irqreturn_t inthandler1(void); asmlinkage irqreturn_t inthandler2(void); @@ -121,7 +122,7 @@ void init_IRQ(void) int request_irq( unsigned int irq, - irqreturn_t (*handler)(int, void *, struct pt_regs *), + irq_handler_t handler, unsigned long flags, const char *devname, void *dev_id) diff --git a/arch/m68knommu/platform/68328/timers.c b/arch/m68knommu/platform/68328/timers.c index 438ef6ee972..ef067f4c3cd 100644 --- a/arch/m68knommu/platform/68328/timers.c +++ b/arch/m68knommu/platform/68328/timers.c @@ -17,6 +17,7 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/mm.h> +#include <linux/interrupt.h> #include <asm/setup.h> #include <asm/system.h> #include <asm/pgtable.h> @@ -52,7 +53,7 @@ /***************************************************************************/ -void m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *)) +void m68328_timer_init(irq_handler_t timer_routine) { /* disable timer 1 */ TCTL = 0; diff --git a/arch/m68knommu/platform/68360/config.c b/arch/m68knommu/platform/68360/config.c index 1b36f626176..4ff13bd51ff 100644 --- a/arch/m68knommu/platform/68360/config.c +++ b/arch/m68knommu/platform/68360/config.c @@ -16,6 +16,7 @@ #include <linux/mm.h> #include <linux/tty.h> #include <linux/console.h> +#include <linux/interrupt.h> #include <asm/setup.h> #include <asm/system.h> @@ -50,7 +51,7 @@ extern unsigned long int system_clock; //In kernel setup.c extern void config_M68360_irq(void); -void BSP_sched_init(void (*timer_routine)(int, void *, struct pt_regs *)) +void BSP_sched_init(irq_handler_t timer_routine) { unsigned char prescaler; unsigned short tgcr_save; diff --git a/arch/m68knommu/platform/68EZ328/config.c b/arch/m68knommu/platform/68EZ328/config.c index 659b80aca11..ab36551fc96 100644 --- a/arch/m68knommu/platform/68EZ328/config.c +++ b/arch/m68knommu/platform/68EZ328/config.c @@ -19,6 +19,7 @@ #include <linux/mm.h> #include <linux/tty.h> #include <linux/console.h> +#include <linux/interrupt.h> #include <asm/setup.h> #include <asm/system.h> @@ -31,7 +32,7 @@ /***************************************************************************/ -void m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *)); +void m68328_timer_init(irq_handler_t timer_routine); void m68328_timer_tick(void); unsigned long m68328_timer_gettimeoffset(void); void m68328_timer_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec); diff --git a/arch/m68knommu/platform/68VZ328/config.c b/arch/m68knommu/platform/68VZ328/config.c index fcd100b7594..8abe0f6e723 100644 --- a/arch/m68knommu/platform/68VZ328/config.c +++ b/arch/m68knommu/platform/68VZ328/config.c @@ -21,6 +21,7 @@ #include <linux/console.h> #include <linux/kd.h> #include <linux/netdevice.h> +#include <linux/interrupt.h> #include <asm/setup.h> #include <asm/system.h> @@ -36,7 +37,7 @@ /***************************************************************************/ -void m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *)); +void m68328_timer_init(irq_handler_t timer_routine); void m68328_timer_tick(void); unsigned long m68328_timer_gettimeoffset(void); void m68328_timer_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec); diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index c6f74f1c639..a1cd84f9b3b 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -133,7 +133,7 @@ config MIPS_MIRAGE select SYS_SUPPORTS_LITTLE_ENDIAN config BASLER_EXCITE - bool "Basler eXcite smart camera support" + bool "Basler eXcite smart camera" select DMA_COHERENT select HW_HAS_PCI select IRQ_CPU @@ -147,7 +147,7 @@ config BASLER_EXCITE select SYS_SUPPORTS_KGDB help The eXcite is a smart camera platform manufactured by - Basler Vision Technologies AG + Basler Vision Technologies AG. config BASLER_EXCITE_PROTOTYPE bool "Support for pre-release units" @@ -167,6 +167,7 @@ config MIPS_COBALT select IRQ_CPU select MIPS_GT64111 select SYS_HAS_CPU_NEVADA + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL select SYS_SUPPORTS_LITTLE_ENDIAN @@ -176,7 +177,7 @@ config MACH_DECSTATION bool "DECstations" select BOOT_ELF32 select DMA_NONCOHERENT - select EARLY_PRINTK + select SYS_HAS_EARLY_PRINTK select IRQ_CPU select SYS_HAS_CPU_R3000 select SYS_HAS_CPU_R4X00 @@ -242,6 +243,7 @@ config MACH_JAZZ config LASAT bool "LASAT Networks platforms" select DMA_NONCOHERENT + select SYS_HAS_EARLY_PRINTK select HW_HAS_PCI select MIPS_GT64120 select MIPS_NILE4 @@ -256,6 +258,7 @@ config MIPS_ATLAS bool "MIPS Atlas board" select BOOT_ELF32 select DMA_NONCOHERENT + select SYS_HAS_EARLY_PRINTK select IRQ_CPU select HW_HAS_PCI select MIPS_BOARDS_GEN @@ -274,6 +277,7 @@ config MIPS_ATLAS select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL + select SYS_SUPPORTS_SMARTMIPS select GENERIC_HARDIRQS_NO__DO_IRQ help This enables support for the MIPS Technologies Atlas evaluation @@ -300,11 +304,13 @@ config MIPS_MALTA select SYS_HAS_CPU_MIPS64_R1 select SYS_HAS_CPU_NEVADA select SYS_HAS_CPU_RM7000 + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_MULTITHREADING + select SYS_SUPPORTS_SMARTMIPS help This enables support for the MIPS Technologies Malta evaluation board. @@ -314,6 +320,7 @@ config MIPS_SEAD depends on EXPERIMENTAL select IRQ_CPU select DMA_NONCOHERENT + select SYS_HAS_EARLY_PRINTK select MIPS_BOARDS_GEN select SYS_HAS_CPU_MIPS32_R1 select SYS_HAS_CPU_MIPS32_R2 @@ -322,6 +329,7 @@ config MIPS_SEAD select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_SMARTMIPS help This enables support for the MIPS Technologies SEAD evaluation board. @@ -350,9 +358,11 @@ config WR_PPMC config MIPS_SIM bool 'MIPS simulator (MIPSsim)' select DMA_NONCOHERENT + select SYS_HAS_EARLY_PRINTK select IRQ_CPU select SYS_HAS_CPU_MIPS32_R1 select SYS_HAS_CPU_MIPS32_R2 + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN @@ -373,6 +383,7 @@ config MOMENCO_JAGUAR_ATX select RM7000_CPU_SCACHE select SWAP_IO_SPACE select SYS_HAS_CPU_RM9000 + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN @@ -510,6 +521,7 @@ config PMC_YOSEMITE select IRQ_CPU_RM9K select SWAP_IO_SPACE select SYS_HAS_CPU_RM9000 + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN @@ -570,6 +582,7 @@ config SGI_IP22 select SWAP_IO_SPACE select SYS_HAS_CPU_R4X00 select SYS_HAS_CPU_R5000 + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN @@ -584,7 +597,7 @@ config SGI_IP27 select ARC64 select BOOT_ELF64 select DMA_IP27 - select EARLY_PRINTK + select SYS_HAS_EARLY_PRINTK select HW_HAS_PCI select NR_CPUS_DEFAULT_64 select PCI_DOMAINS @@ -746,6 +759,7 @@ config SNI_RM select SYS_HAS_CPU_R5000 select SYS_HAS_CPU_R10000 select R5000_CPU_SCACHE + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL select SYS_SUPPORTS_BIG_ENDIAN @@ -824,7 +838,6 @@ source "arch/mips/tx4927/Kconfig" source "arch/mips/tx4938/Kconfig" source "arch/mips/vr41xx/Kconfig" source "arch/mips/philips/pnx8550/common/Kconfig" -source "arch/mips/cobalt/Kconfig" endmenu @@ -894,6 +907,20 @@ config DMA_NEED_PCI_MAP_STATE bool config EARLY_PRINTK + bool "Early printk" if EMBEDDED && DEBUG_KERNEL + depends on SYS_HAS_EARLY_PRINTK + default y + help + This option enables special console drivers which allow the kernel + to print messages very early in the bootup process. + + This is useful for kernel debugging when your machine crashes very + early before the console code is initialized. For normal operation + it is not recommended because it looks on some machines ugly and + oesn't cooperate with an X server. You should normally N here, + unless you want to debug such a crash. + +config SYS_HAS_EARLY_PRINTK bool config GENERIC_ISA_DMA @@ -1030,6 +1057,7 @@ config SOC_PNX8550 select DMA_NONCOHERENT select HW_HAS_PCI select SYS_HAS_CPU_MIPS32_R1 + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select GENERIC_HARDIRQS_NO__DO_IRQ select SYS_SUPPORTS_KGDB @@ -1090,7 +1118,7 @@ config HAVE_STD_PC_SERIAL_PORT config ARC_CONSOLE bool "ARC console support" - depends on SGI_IP22 || SNI_RM + depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) config ARC_MEMORY bool @@ -1641,6 +1669,18 @@ config 64BIT_PHYS_ADDR config CPU_HAS_LLSC bool +config CPU_HAS_SMARTMIPS + depends on SYS_SUPPORTS_SMARTMIPS + bool "Support for the SmartMIPS ASE" + help + SmartMIPS is a extension of the MIPS32 architecture aimed at + increased security at both hardware and software level for + smartcards. Enabling this option will allow proper use of the + SmartMIPS instructions by Linux applications. However a kernel with + this option will not work on a MIPS core without SmartMIPS core. If + you don't know you probably don't have SmartMIPS and should say N + here. + config CPU_HAS_WB bool @@ -1704,6 +1744,9 @@ config CPU_SUPPORTS_HIGHMEM config SYS_SUPPORTS_HIGHMEM bool +config SYS_SUPPORTS_SMARTMIPS + bool + config ARCH_FLATMEM_ENABLE def_bool y depends on !NUMA @@ -1877,10 +1920,6 @@ config HZ source "kernel/Kconfig.preempt" -config RTC_DS1742 - bool "DS1742 BRAM/RTC support" - depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927 - config MIPS_INSANE_LARGE bool "Support for large 64-bit configurations" depends on CPU_R10000 && 64BIT diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index d5e60a0c1de..72d5c198e79 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -37,6 +37,15 @@ config DEBUG_STACK_USAGE This option will slow down process creation somewhat. +config CONFIG_SMTC_IDLE_HOOK_DEBUG + bool "Enable additional debug checks before going into CPU idle loop" + depends on DEBUG_KERNEL && MIPS_MT_SMTC + help + This option enables Enable additional debug checks before going into + CPU idle loop. For details on these checks, see + arch/mips/kernel/smtc.c. This debugging option result in significant + overhead so should be disabled in production kernels. + config KGDB bool "Remote GDB kernel debugging" depends on DEBUG_KERNEL && SYS_SUPPORTS_KGDB diff --git a/arch/mips/Makefile b/arch/mips/Makefile index c68b5d3e5d1..92bca6ad6ab 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -103,6 +103,8 @@ predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__ cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) +cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips) + cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ -fno-omit-frame-pointer diff --git a/arch/mips/arc/console.c b/arch/mips/arc/console.c index 6a9d144512c..0fe6032999c 100644 --- a/arch/mips/arc/console.c +++ b/arch/mips/arc/console.c @@ -29,35 +29,3 @@ void prom_putchar(char c) ArcWrite(1, &it, 1, &cnt); bc_enable(); } - -char prom_getchar(void) -{ - ULONG cnt; - CHAR c; - - bc_disable(); - ArcRead(0, &c, 1, &cnt); - bc_enable(); - - return c; -} - -void prom_printf(char *fmt, ...) -{ - va_list args; - char ppbuf[1024]; - char *bptr; - - va_start(args, fmt); - vsprintf(ppbuf, fmt, args); - - bptr = ppbuf; - - while (*bptr != 0) { - if (*bptr == '\n') - prom_putchar('\r'); - - prom_putchar(*bptr++); - } - va_end(args); -} diff --git a/arch/mips/arc/init.c b/arch/mips/arc/init.c index 76ab505ca69..e2f75b13312 100644 --- a/arch/mips/arc/init.c +++ b/arch/mips/arc/init.c @@ -23,13 +23,16 @@ LONG *_prom_argv, *_prom_envp; void __init prom_init(void) { PSYSTEM_PARAMETER_BLOCK pb = PROMBLOCK; + romvec = ROMVECTOR; + prom_argc = fw_arg0; _prom_argv = (LONG *) fw_arg1; _prom_envp = (LONG *) fw_arg2; if (pb->magic != 0x53435241) { - prom_printf("Aieee, bad prom vector magic %08lx\n", pb->magic); + printk(KERN_CRIT "Aieee, bad prom vector magic %08lx\n", + (unsigned long) pb->magic); while(1) ; } @@ -41,8 +44,8 @@ void __init prom_init(void) prom_meminit(); #ifdef DEBUG_PROM_INIT - prom_printf("Press a key to reboot\n"); - prom_getchar(); + pr_info("Press a key to reboot\n"); + ArcRead(0, &c, 1, &cnt); ArcEnterInteractiveMode(); #endif } diff --git a/arch/mips/arc/memory.c b/arch/mips/arc/memory.c index 456cb81a32d..83d15791ef6 100644 --- a/arch/mips/arc/memory.c +++ b/arch/mips/arc/memory.c @@ -118,11 +118,11 @@ void __init prom_meminit(void) #ifdef DEBUG int i = 0; - prom_printf("ARCS MEMORY DESCRIPTOR dump:\n"); + printk("ARCS MEMORY DESCRIPTOR dump:\n"); p = ArcGetMemoryDescriptor(PROM_NULL_MDESC); while(p) { - prom_printf("[%d,%p]: base<%08lx> pages<%08lx> type<%s>\n", - i, p, p->base, p->pages, mtypes(p->type)); + printk("[%d,%p]: base<%08lx> pages<%08lx> type<%s>\n", + i, p, p->base, p->pages, mtypes(p->type)); p = ArcGetMemoryDescriptor(p); i++; } diff --git a/arch/mips/arc/tree.c b/arch/mips/arc/tree.c index 2aedd4f5283..abd1786ea09 100644 --- a/arch/mips/arc/tree.c +++ b/arch/mips/arc/tree.c @@ -93,11 +93,11 @@ static char *iflags[] = { static void __init dump_component(pcomponent *p) { - prom_printf("[%p]:class<%s>type<%s>flags<%s>ver<%d>rev<%d>", - p, classes[p->class], types[p->type], - iflags[p->iflags], p->vers, p->rev); - prom_printf("key<%08lx>\n\tamask<%08lx>cdsize<%d>ilen<%d>iname<%s>\n", - p->key, p->amask, (int)p->cdsize, (int)p->ilen, p->iname); + printk("[%p]:class<%s>type<%s>flags<%s>ver<%d>rev<%d>", + p, classes[p->class], types[p->type], + iflags[p->iflags], p->vers, p->rev); + printk("key<%08lx>\n\tamask<%08lx>cdsize<%d>ilen<%d>iname<%s>\n", + p->key, p->amask, (int)p->cdsize, (int)p->ilen, p->iname); } static void __init diff --git a/arch/mips/au1000/mtx-1/board_setup.c b/arch/mips/au1000/mtx-1/board_setup.c index 13f9bf5f91a..7bc5af8917d 100644 --- a/arch/mips/au1000/mtx-1/board_setup.c +++ b/arch/mips/au1000/mtx-1/board_setup.c @@ -43,6 +43,9 @@ #include <asm/pgtable.h> #include <asm/mach-au1x00/au1000.h> +extern int (*board_pci_idsel)(unsigned int devsel, int assert); +int mtx1_pci_idsel(unsigned int devsel, int assert); + void board_reset (void) { /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ @@ -66,19 +69,43 @@ void __init board_setup(void) #endif // initialize sys_pinfunc: - // disable second ethernet port (SYS_PF_NI2) - // set U3/GPIO23 to GPIO23 (SYS_PF_U3) - au_writel( SYS_PF_NI2 | SYS_PF_U3, SYS_PINFUNC ); + au_writel( SYS_PF_NI2, SYS_PINFUNC ); // initialize GPIO au_writel( 0xFFFFFFFF, SYS_TRIOUTCLR ); au_writel( 0x00000001, SYS_OUTPUTCLR ); // set M66EN (PCI 66MHz) to OFF au_writel( 0x00000008, SYS_OUTPUTSET ); // set PCI CLKRUN# to OFF + au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON au_writel( 0x00000020, SYS_OUTPUTCLR ); // set eth PHY TX_ER to OFF // enable LED and set it to green au_writel( au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR ); au_writel( 0x18000800, GPIO2_OUTPUT ); + board_pci_idsel = mtx1_pci_idsel; + printk("4G Systems MTX-1 Board\n"); } + +int +mtx1_pci_idsel(unsigned int devsel, int assert) +{ +#define MTX_IDSEL_ONLY_0_AND_3 0 +#if MTX_IDSEL_ONLY_0_AND_3 + if (devsel != 0 && devsel != 3) { + printk("*** not 0 or 3\n"); + return 0; + } +#endif + + if (assert && devsel != 0) { + // supress signal to cardbus + au_writel( 0x00000002, SYS_OUTPUTCLR ); // set EXT_IO3 OFF + } + else { + au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON + } + au_sync_udelay(1); + return 1; +} + diff --git a/arch/mips/au1000/mtx-1/irqmap.c b/arch/mips/au1000/mtx-1/irqmap.c index 4693a4eb2b8..a4fa0f227e4 100644 --- a/arch/mips/au1000/mtx-1/irqmap.c +++ b/arch/mips/au1000/mtx-1/irqmap.c @@ -48,7 +48,7 @@ #include <asm/mach-au1x00/au1000.h> char irq_tab_alchemy[][5] __initdata = { - [0] = { -1, INTA, INTB, INTX, INTX}, /* IDSEL 00 - AdapterA-Slot0 (top) */ + [0] = { -1, INTA, INTA, INTX, INTX}, /* IDSEL 00 - AdapterA-Slot0 (top) */ [1] = { -1, INTB, INTA, INTX, INTX}, /* IDSEL 01 - AdapterA-Slot1 (bottom) */ [2] = { -1, INTC, INTD, INTX, INTX}, /* IDSEL 02 - AdapterB-Slot0 (top) */ [3] = { -1, INTD, INTC, INTX, INTX}, /* IDSEL 03 - AdapterB-Slot1 (bottom) */ diff --git a/arch/mips/basler/excite/excite_setup.c b/arch/mips/basler/excite/excite_setup.c index a1ce4580058..42f0eda1d51 100644 --- a/arch/mips/basler/excite/excite_setup.c +++ b/arch/mips/basler/excite/excite_setup.c @@ -112,7 +112,7 @@ static int __init excite_init_console(void) up.irq = TITAN_IRQ; up.uartclk = TITAN_UART_CLK; up.regshift = 0; - up.iotype = UPIO_MEM32; + up.iotype = UPIO_RM9000; up.type = PORT_RM9000; up.flags = UPF_SHARE_IRQ; up.line = 0; diff --git a/arch/mips/cobalt/Kconfig b/arch/mips/cobalt/Kconfig deleted file mode 100644 index 7c42b088d16..00000000000 --- a/arch/mips/cobalt/Kconfig +++ /dev/null @@ -1,7 +0,0 @@ -config EARLY_PRINTK - bool "Early console support" - depends on MIPS_COBALT - help - Provide early console support by direct access to the - on board UART. The UART must have been previously - initialised by the boot loader. diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile index 12589a1ff04..b36dd8f538f 100644 --- a/arch/mips/cobalt/Makefile +++ b/arch/mips/cobalt/Makefile @@ -6,5 +6,3 @@ obj-y := irq.o reset.o setup.o obj-$(CONFIG_EARLY_PRINTK) += console.o obj-$(CONFIG_MTD_PHYSMAP) += mtd.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/cobalt/console.c b/arch/mips/cobalt/console.c index 46c23b66bc1..ca56b415b8a 100644 --- a/arch/mips/cobalt/console.c +++ b/arch/mips/cobalt/console.c @@ -9,39 +9,10 @@ #include <asm/addrspace.h> #include <asm/mach-cobalt/cobalt.h> -static void putchar(int c) +void prom_putchar(char c) { - if(c == '\n') - putchar('\r'); - while(!(COBALT_UART[UART_LSR] & UART_LSR_THRE)) ; COBALT_UART[UART_TX] = c; } - -static void cons_write(struct console *c, const char *s, unsigned n) -{ - while(n-- && *s) - putchar(*s++); -} - -static struct console cons_info = -{ - .name = "uart", - .write = cons_write, - .flags = CON_PRINTBUFFER | CON_BOOT, - .index = -1, -}; - -void __init cobalt_early_console(void) -{ - register_console(&cons_info); - - printk("Cobalt: early console registered\n"); -} - -void __init disable_early_printk(void) -{ - unregister_console(&cons_info); -} diff --git a/arch/mips/cobalt/mtd.c b/arch/mips/cobalt/mtd.c index 01d8ec77fe9..2b088ef3839 100644 --- a/arch/mips/cobalt/mtd.c +++ b/arch/mips/cobalt/mtd.c @@ -24,7 +24,7 @@ static struct mtd_partition cobalt_mtd_partitions[] = { { - .name = "Colo", + .name = "firmware", .offset = 0x0, .size = 0x80000, }, diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c index 415ff8710b5..88d34f11385 100644 --- a/arch/mips/cobalt/setup.c +++ b/arch/mips/cobalt/setup.c @@ -79,37 +79,38 @@ static struct resource cobalt_io_resource = { .flags = IORESOURCE_IO }; -static struct resource cobalt_io_resources[] = { - { +/* + * Cobalt doesn't have PS/2 keyboard/mouse interfaces, + * keyboard conntroller is never used. + * Also PCI-ISA bridge DMA contoroller is never used. + */ +static struct resource cobalt_reserved_resources[] = { + { /* dma1 */ .start = 0x00, .end = 0x1f, - .name = "dma1", - .flags = IORESOURCE_BUSY - }, { - .start = 0x40, - .end = 0x5f, - .name = "timer", - .flags = IORESOURCE_BUSY - }, { + .name = "reserved", + .flags = IORESOURCE_BUSY | IORESOURCE_IO, + }, + { /* keyboard */ .start = 0x60, .end = 0x6f, - .name = "keyboard", - .flags = IORESOURCE_BUSY - }, { + .name = "reserved", + .flags = IORESOURCE_BUSY | IORESOURCE_IO, + }, + { /* dma page reg */ .start = 0x80, .end = 0x8f, - .name = "dma page reg", - .flags = IORESOURCE_BUSY - }, { + .name = "reserved", + .flags = IORESOURCE_BUSY | IORESOURCE_IO, + }, + { /* dma2 */ .start = 0xc0, .end = 0xdf, - .name = "dma2", - .flags = IORESOURCE_BUSY + .name = "reserved", + .flags = IORESOURCE_BUSY | IORESOURCE_IO, }, }; -#define COBALT_IO_RESOURCES (sizeof(cobalt_io_resources)/sizeof(struct resource)) - static struct pci_controller cobalt_pci_controller = { .pci_ops = >64111_pci_ops, .mem_resource = &cobalt_mem_resource, @@ -133,9 +134,9 @@ void __init plat_mem_setup(void) /* I/O port resource must include LCD/buttons */ ioport_resource.end = 0x0fffffff; - /* request I/O space for devices used on all i[345]86 PCs */ - for (i = 0; i < COBALT_IO_RESOURCES; i++) - request_resource(&ioport_resource, cobalt_io_resources + i); + /* These resources have been reserved by VIA SuperI/O chip. */ + for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++) + request_resource(&ioport_resource, cobalt_reserved_resources + i); /* Read the cobalt id register out of the PCI config space */ PCI_CFG_SET(devfn, (VIA_COBALT_BRD_ID_REG & ~0x3)); @@ -150,10 +151,6 @@ void __init plat_mem_setup(void) #endif if (cobalt_board_id > COBALT_BRD_ID_RAQ1) { -#ifdef CONFIG_EARLY_PRINTK - cobalt_early_console(); -#endif - #ifdef CONFIG_SERIAL_8250 uart.line = 0; uart.type = PORT_UNKNOWN; diff --git a/arch/mips/configs/atlas_defconfig b/arch/mips/configs/atlas_defconfig index 45874d1038d..458894933a4 100644 --- a/arch/mips/configs/atlas_defconfig +++ b/arch/mips/configs/atlas_defconfig @@ -139,10 +139,12 @@ CONFIG_MIPS_MT_DISABLED=y CONFIG_SYS_SUPPORTS_MULTITHREADING=y # CONFIG_64BIT_PHYS_ADDR is not set CONFIG_CPU_HAS_LLSC=y +# CONFIG_CPU_HAS_SMARTMIPS is not set CONFIG_CPU_HAS_SYNC=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_CPU_SUPPORTS_HIGHMEM=y +CONFIG_SYS_SUPPORTS_SMARTMIPS=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y diff --git a/arch/mips/configs/bigsur_defconfig b/arch/mips/configs/bigsur_defconfig index b4cdd3e7cdf..aa05e294ea6 100644 --- a/arch/mips/configs/bigsur_defconfig +++ b/arch/mips/configs/bigsur_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:35 2007 +# Tue Feb 20 21:47:22 2007 # CONFIG_MIPS=y @@ -417,6 +417,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -589,6 +590,7 @@ CONFIG_NET_SB1250_MAC=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set # CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1025,7 +1027,6 @@ CONFIG_FORCED_INLINING=y CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" # CONFIG_DEBUG_STACK_USAGE is not set -# CONFIG_KGDB is not set # CONFIG_SB1XXX_CORELIS is not set # CONFIG_RUNTIME_DEBUG is not set diff --git a/arch/mips/configs/capcella_defconfig b/arch/mips/configs/capcella_defconfig index b05469e0bcd..b2594fa556f 100644 --- a/arch/mips/configs/capcella_defconfig +++ b/arch/mips/configs/capcella_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:36 2007 +# Tue Feb 20 21:47:22 2007 # CONFIG_MIPS=y @@ -388,6 +388,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/cobalt_defconfig b/arch/mips/configs/cobalt_defconfig index f88c40fc994..9090a7aba6c 100644 --- a/arch/mips/configs/cobalt_defconfig +++ b/arch/mips/configs/cobalt_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Mon Feb 19 14:51:58 2007 +# Tue Feb 20 21:47:24 2007 # CONFIG_MIPS=y @@ -425,7 +425,7 @@ CONFIG_MTD_CFI_UTIL=y # CONFIG_MTD_COMPLEX_MAPPINGS is not set CONFIG_MTD_PHYSMAP=y CONFIG_MTD_PHYSMAP_START=0x0 -CONFIG_MTD_PHYSMAP_LEN=0 +CONFIG_MTD_PHYSMAP_LEN=0x0 CONFIG_MTD_PHYSMAP_BANKWIDTH=0 # CONFIG_MTD_PLATRAM is not set @@ -449,7 +449,6 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=0 # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -464,6 +463,7 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=0 # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -658,6 +658,7 @@ CONFIG_TULIP=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=y +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) diff --git a/arch/mips/configs/db1000_defconfig b/arch/mips/configs/db1000_defconfig index 1db19f1bfd4..4cb8cf4255a 100644 --- a/arch/mips/configs/db1000_defconfig +++ b/arch/mips/configs/db1000_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:39 2007 +# Tue Feb 20 21:47:24 2007 # CONFIG_MIPS=y @@ -548,6 +548,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -1103,6 +1104,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/db1100_defconfig b/arch/mips/configs/db1100_defconfig index 529e6ebe2a8..d86dedf27fc 100644 --- a/arch/mips/configs/db1100_defconfig +++ b/arch/mips/configs/db1100_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:39 2007 +# Tue Feb 20 21:47:24 2007 # CONFIG_MIPS=y @@ -537,6 +537,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -1103,6 +1104,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/db1200_defconfig b/arch/mips/configs/db1200_defconfig index 9e86dcd3c31..c24b6008345 100644 --- a/arch/mips/configs/db1200_defconfig +++ b/arch/mips/configs/db1200_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:40 2007 +# Tue Feb 20 21:47:25 2007 # CONFIG_MIPS=y @@ -541,6 +541,7 @@ CONFIG_MTD_NAND_IDS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -1185,6 +1186,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="mem=48M" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/db1500_defconfig b/arch/mips/configs/db1500_defconfig index 9c944611eda..baad2c5223b 100644 --- a/arch/mips/configs/db1500_defconfig +++ b/arch/mips/configs/db1500_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:41 2007 +# Tue Feb 20 21:47:26 2007 # CONFIG_MIPS=y @@ -542,7 +542,6 @@ CONFIG_MTD_ALCHEMY=y # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -557,6 +556,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -715,6 +715,7 @@ CONFIG_MIPS_AU1X00_ENET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1145,6 +1146,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1402,6 +1404,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/db1550_defconfig b/arch/mips/configs/db1550_defconfig index 5b18d5da985..c29fdab0423 100644 --- a/arch/mips/configs/db1550_defconfig +++ b/arch/mips/configs/db1550_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:42 2007 +# Tue Feb 20 21:47:27 2007 # CONFIG_MIPS=y @@ -562,6 +562,7 @@ CONFIG_MTD_NAND_AU1550=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -751,6 +752,7 @@ CONFIG_MIPS_AU1X00_ENET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1219,6 +1221,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/ddb5477_defconfig b/arch/mips/configs/ddb5477_defconfig index 12101888618..f4b316d2cd7 100644 --- a/arch/mips/configs/ddb5477_defconfig +++ b/arch/mips/configs/ddb5477_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:43 2007 +# Tue Feb 20 21:47:28 2007 # CONFIG_MIPS=y @@ -386,6 +386,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -925,6 +926,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="ip=any" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/decstation_defconfig b/arch/mips/configs/decstation_defconfig index 2d717455a82..9c38e5c7776 100644 --- a/arch/mips/configs/decstation_defconfig +++ b/arch/mips/configs/decstation_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:44 2007 +# Tue Feb 20 21:47:28 2007 # CONFIG_MIPS=y @@ -398,6 +398,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/e55_defconfig b/arch/mips/configs/e55_defconfig index 0ee2fbb35f1..922af379aa4 100644 --- a/arch/mips/configs/e55_defconfig +++ b/arch/mips/configs/e55_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:44 2007 +# Tue Feb 20 21:47:28 2007 # CONFIG_MIPS=y @@ -294,6 +294,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/emma2rh_defconfig b/arch/mips/configs/emma2rh_defconfig index 218fe6e5f2d..c0db8f14713 100644 --- a/arch/mips/configs/emma2rh_defconfig +++ b/arch/mips/configs/emma2rh_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:46 2007 +# Tue Feb 20 21:47:29 2007 # CONFIG_MIPS=y @@ -611,7 +611,6 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -626,6 +625,7 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -1039,6 +1039,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set diff --git a/arch/mips/configs/ev64120_defconfig b/arch/mips/configs/ev64120_defconfig index 5ad4870ad5e..ce088b36291 100644 --- a/arch/mips/configs/ev64120_defconfig +++ b/arch/mips/configs/ev64120_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:46 2007 +# Tue Feb 20 21:47:30 2007 # CONFIG_MIPS=y @@ -391,6 +391,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -520,6 +521,7 @@ CONFIG_NET_ETHERNET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -914,6 +916,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/nfs rw nfsroot=192.168.1.1:/mnt/disk2/fs.gal ip=192.168.1.211:192.168.1.1:::gt::" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/excite_defconfig b/arch/mips/configs/excite_defconfig index 5e179fe599b..82f204d080b 100644 --- a/arch/mips/configs/excite_defconfig +++ b/arch/mips/configs/excite_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:47 2007 +# Tue Feb 20 21:47:31 2007 # CONFIG_MIPS=y @@ -451,6 +451,7 @@ CONFIG_MTD_NAND_VERIFY_WRITE=y # CONFIG_MTD_NAND_ECC_SMC is not set CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_DISKONCHIP is not set +# CONFIG_MTD_NAND_BASLER_EXCITE is not set # CONFIG_MTD_NAND_CAFE is not set # CONFIG_MTD_NAND_NANDSIM is not set @@ -467,6 +468,7 @@ CONFIG_MTD_NAND_IDS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -638,6 +640,7 @@ CONFIG_NETDEVICES=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1008,6 +1011,7 @@ CONFIG_USB_HID=m # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1277,6 +1281,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig index 864de219eb6..cb81f13bd45 100644 --- a/arch/mips/configs/ip22_defconfig +++ b/arch/mips/configs/ip22_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:48 2007 +# Tue Feb 20 21:47:32 2007 # CONFIG_MIPS=y @@ -620,6 +620,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig index 7b2f5f8397a..46f6ac4083b 100644 --- a/arch/mips/configs/ip27_defconfig +++ b/arch/mips/configs/ip27_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:49 2007 +# Tue Feb 20 21:47:32 2007 # CONFIG_MIPS=y @@ -456,6 +456,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -672,6 +673,7 @@ CONFIG_SGI_IOC3_ETH=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1060,6 +1062,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=15 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/ip32_defconfig b/arch/mips/configs/ip32_defconfig index 14398e8a176..d9e5000d532 100644 --- a/arch/mips/configs/ip32_defconfig +++ b/arch/mips/configs/ip32_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:50 2007 +# Tue Feb 20 21:47:33 2007 # CONFIG_MIPS=y @@ -396,6 +396,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -600,6 +601,7 @@ CONFIG_SGI_O2MACE_ETH=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=y +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) diff --git a/arch/mips/configs/jaguar-atx_defconfig b/arch/mips/configs/jaguar-atx_defconfig index b38978794a5..57ef0c45a62 100644 --- a/arch/mips/configs/jaguar-atx_defconfig +++ b/arch/mips/configs/jaguar-atx_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:51 2007 +# Tue Feb 20 21:47:33 2007 # CONFIG_MIPS=y @@ -375,6 +375,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -518,9 +519,6 @@ CONFIG_EEPRO100=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_MV643XX_ETH=y -CONFIG_MV643XX_ETH_0=y -CONFIG_MV643XX_ETH_1=y -CONFIG_MV643XX_ETH_2=y CONFIG_QLA3XXX=m # @@ -833,6 +831,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/jazz_defconfig b/arch/mips/configs/jazz_defconfig index dacf0a618d5..21d979f8326 100644 --- a/arch/mips/configs/jazz_defconfig +++ b/arch/mips/configs/jazz_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:52 2007 +# Tue Feb 20 21:47:33 2007 # CONFIG_MIPS=y @@ -646,6 +646,7 @@ CONFIG_PARPORT_1284=y # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/jmr3927_defconfig b/arch/mips/configs/jmr3927_defconfig index 29ed772455f..98b9fbc042f 100644 --- a/arch/mips/configs/jmr3927_defconfig +++ b/arch/mips/configs/jmr3927_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:53 2007 +# Tue Feb 20 21:47:34 2007 # CONFIG_MIPS=y @@ -148,7 +148,6 @@ CONFIG_HZ=1000 CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT is not set -CONFIG_RTC_DS1742=y # CONFIG_KEXEC is not set CONFIG_LOCKDEP_SUPPORT=y CONFIG_STACKTRACE_SUPPORT=y @@ -384,6 +383,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -513,6 +513,7 @@ CONFIG_NET_ETHERNET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=y +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -800,7 +801,28 @@ CONFIG_USB_ARCH_HAS_EHCI=y # # Real Time Clock # -# CONFIG_RTC_CLASS is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set + +# +# RTC drivers +# +# CONFIG_RTC_DRV_DS1553 is not set +CONFIG_RTC_DRV_DS1742=y +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_TEST is not set +# CONFIG_RTC_DRV_V3020 is not set # # DMA Engine support diff --git a/arch/mips/configs/lasat200_defconfig b/arch/mips/configs/lasat200_defconfig index a1437b34e18..b3f767ff1c5 100644 --- a/arch/mips/configs/lasat200_defconfig +++ b/arch/mips/configs/lasat200_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:54 2007 +# Tue Feb 20 21:47:34 2007 # CONFIG_MIPS=y @@ -454,7 +454,6 @@ CONFIG_MTD_LASAT=y # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -469,6 +468,7 @@ CONFIG_MTD_LASAT=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -654,6 +654,7 @@ CONFIG_NET_ETHERNET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig index 8d21bb96349..a5f379d626d 100644 --- a/arch/mips/configs/malta_defconfig +++ b/arch/mips/configs/malta_defconfig @@ -145,6 +145,7 @@ CONFIG_SYS_SUPPORTS_MULTITHREADING=y CONFIG_MIPS_MT_FPAFF=y # CONFIG_64BIT_PHYS_ADDR is not set CONFIG_CPU_HAS_LLSC=y +# CONFIG_CPU_HAS_SMARTMIPS is not set CONFIG_CPU_MIPSR2_IRQ_VI=y CONFIG_CPU_MIPSR2_SRS=y CONFIG_CPU_HAS_SYNC=y @@ -152,6 +153,7 @@ CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_IRQ_PER_CPU=y CONFIG_CPU_SUPPORTS_HIGHMEM=y +CONFIG_SYS_SUPPORTS_SMARTMIPS=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y diff --git a/arch/mips/configs/mipssim_defconfig b/arch/mips/configs/mipssim_defconfig index 2acb99bf2ec..5ff53e18491 100644 --- a/arch/mips/configs/mipssim_defconfig +++ b/arch/mips/configs/mipssim_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:56 2007 +# Tue Feb 20 21:47:35 2007 # CONFIG_MIPS=y @@ -436,6 +436,7 @@ CONFIG_FIB_RULES=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -878,7 +879,6 @@ CONFIG_FORCED_INLINING=y CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="nfsroot=192.168.192.169:/u1/mipsel,timeo=20 ip=dhcp" # CONFIG_DEBUG_STACK_USAGE is not set -# CONFIG_KGDB is not set # CONFIG_RUNTIME_DEBUG is not set # CONFIG_MIPS_UNCACHED is not set diff --git a/arch/mips/configs/mpc30x_defconfig b/arch/mips/configs/mpc30x_defconfig index d52a5a4877d..750e6445c61 100644 --- a/arch/mips/configs/mpc30x_defconfig +++ b/arch/mips/configs/mpc30x_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:56 2007 +# Tue Feb 20 21:47:35 2007 # CONFIG_MIPS=y @@ -405,6 +405,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -531,6 +532,7 @@ CONFIG_MII=m # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -883,6 +885,7 @@ CONFIG_USB_PEGASUS=m # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set diff --git a/arch/mips/configs/ocelot_3_defconfig b/arch/mips/configs/ocelot_3_defconfig index 746106b88ba..2febd0a7fba 100644 --- a/arch/mips/configs/ocelot_3_defconfig +++ b/arch/mips/configs/ocelot_3_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:58 2007 +# Tue Feb 20 21:47:35 2007 # CONFIG_MIPS=y @@ -496,6 +496,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -713,9 +714,6 @@ CONFIG_E100=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_MV643XX_ETH=y -CONFIG_MV643XX_ETH_0=y -CONFIG_MV643XX_ETH_1=y -CONFIG_MV643XX_ETH_2=y CONFIG_QLA3XXX=m # CONFIG_ATL1 is not set diff --git a/arch/mips/configs/ocelot_c_defconfig b/arch/mips/configs/ocelot_c_defconfig index 4b32b270df3..b8f457300bb 100644 --- a/arch/mips/configs/ocelot_c_defconfig +++ b/arch/mips/configs/ocelot_c_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:58 2007 +# Tue Feb 20 21:47:36 2007 # CONFIG_MIPS=y @@ -393,6 +393,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -523,6 +524,7 @@ CONFIG_NET_ETHERNET=y # CONFIG_BNX2 is not set # CONFIG_MV643XX_ETH is not set CONFIG_QLA3XXX=y +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) diff --git a/arch/mips/configs/ocelot_defconfig b/arch/mips/configs/ocelot_defconfig index 674631b09c9..8ade072271c 100644 --- a/arch/mips/configs/ocelot_defconfig +++ b/arch/mips/configs/ocelot_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:59 2007 +# Tue Feb 20 21:47:36 2007 # CONFIG_MIPS=y @@ -390,6 +390,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -854,6 +855,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/ocelot_g_defconfig b/arch/mips/configs/ocelot_g_defconfig index 26002639234..d20a2216c11 100644 --- a/arch/mips/configs/ocelot_g_defconfig +++ b/arch/mips/configs/ocelot_g_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:00 2007 +# Tue Feb 20 21:47:36 2007 # CONFIG_MIPS=y @@ -392,6 +392,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -522,6 +523,7 @@ CONFIG_GALILEO_64240_ETH=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=y +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) diff --git a/arch/mips/configs/pb1100_defconfig b/arch/mips/configs/pb1100_defconfig index 05a33a2aeb2..33fcc8133bc 100644 --- a/arch/mips/configs/pb1100_defconfig +++ b/arch/mips/configs/pb1100_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:01 2007 +# Tue Feb 20 21:47:37 2007 # CONFIG_MIPS=y @@ -549,6 +549,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -1096,6 +1097,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/pb1500_defconfig b/arch/mips/configs/pb1500_defconfig index 34a6bee589b..e07c55dc8dc 100644 --- a/arch/mips/configs/pb1500_defconfig +++ b/arch/mips/configs/pb1500_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:02 2007 +# Tue Feb 20 21:47:37 2007 # CONFIG_MIPS=y @@ -541,7 +541,6 @@ CONFIG_MTD_ALCHEMY=y # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -556,6 +555,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -745,6 +745,7 @@ CONFIG_MIPS_AU1X00_ENET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1213,6 +1214,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/pb1550_defconfig b/arch/mips/configs/pb1550_defconfig index e3bff462e62..df210dd2247 100644 --- a/arch/mips/configs/pb1550_defconfig +++ b/arch/mips/configs/pb1550_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:03 2007 +# Tue Feb 20 21:47:37 2007 # CONFIG_MIPS=y @@ -542,7 +542,6 @@ CONFIG_MTD_ALCHEMY=y # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -557,6 +556,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -746,6 +746,7 @@ CONFIG_MIPS_AU1X00_ENET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1206,6 +1207,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/pnx8550-jbs_defconfig b/arch/mips/configs/pnx8550-jbs_defconfig index 009b3f87b44..106a1641c0b 100644 --- a/arch/mips/configs/pnx8550-jbs_defconfig +++ b/arch/mips/configs/pnx8550-jbs_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:04 2007 +# Tue Feb 20 21:47:38 2007 # CONFIG_MIPS=y @@ -389,6 +389,7 @@ CONFIG_FW_LOADER=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -962,6 +963,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1229,6 +1231,7 @@ CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="console=ttyS1,38400n8 kgdb=ttyS0 root=/dev/nfs ip=bootp" # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_KGDB is not set +CONFIG_SYS_SUPPORTS_KGDB=y # CONFIG_RUNTIME_DEBUG is not set # CONFIG_MIPS_UNCACHED is not set diff --git a/arch/mips/configs/pnx8550-stb810_defconfig b/arch/mips/configs/pnx8550-stb810_defconfig index 5bd377bdbb2..8caa2cd1aa7 100644 --- a/arch/mips/configs/pnx8550-stb810_defconfig +++ b/arch/mips/configs/pnx8550-stb810_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:04 2007 +# Tue Feb 20 21:47:38 2007 # CONFIG_MIPS=y @@ -386,6 +386,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -952,6 +953,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1219,6 +1221,7 @@ CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="console=ttyS1,38400n8 kgdb=ttyS0 root=/dev/nfs ip=bootp" # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_KGDB is not set +CONFIG_SYS_SUPPORTS_KGDB=y # CONFIG_RUNTIME_DEBUG is not set # CONFIG_MIPS_UNCACHED is not set diff --git a/arch/mips/configs/pnx8550-v2pci_defconfig b/arch/mips/configs/pnx8550-v2pci_defconfig index cc694709ba6..43f1becec2a 100644 --- a/arch/mips/configs/pnx8550-v2pci_defconfig +++ b/arch/mips/configs/pnx8550-v2pci_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:06 2007 +# Tue Feb 20 21:47:39 2007 # CONFIG_MIPS=y @@ -474,6 +474,7 @@ CONFIG_FW_LOADER=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -987,6 +988,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set @@ -1209,6 +1211,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1466,6 +1469,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/qemu_defconfig b/arch/mips/configs/qemu_defconfig index c18c5e71d8a..f68396d19f9 100644 --- a/arch/mips/configs/qemu_defconfig +++ b/arch/mips/configs/qemu_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:06 2007 +# Tue Feb 20 21:47:39 2007 # CONFIG_MIPS=y @@ -348,6 +348,7 @@ CONFIG_PROC_EVENTS=y # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/rbhma4500_defconfig b/arch/mips/configs/rbhma4500_defconfig index 678f23217c9..a6a824fcc87 100644 --- a/arch/mips/configs/rbhma4500_defconfig +++ b/arch/mips/configs/rbhma4500_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:07 2007 +# Tue Feb 20 21:47:39 2007 # CONFIG_MIPS=y @@ -560,7 +560,6 @@ CONFIG_MTD_CFI_UTIL=y # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -576,6 +575,7 @@ CONFIG_MTD_CFI_UTIL=y # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices @@ -1191,6 +1191,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1462,6 +1463,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig index 0417e86ab62..bee3702d501 100644 --- a/arch/mips/configs/rm200_defconfig +++ b/arch/mips/configs/rm200_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:09 2007 +# Tue Feb 20 21:47:40 2007 # CONFIG_MIPS=y @@ -661,6 +661,7 @@ CONFIG_PARPORT_NOT_PC=y # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices @@ -1397,6 +1398,7 @@ CONFIG_USB_AUERSWALD=m CONFIG_USB_RIO500=m CONFIG_USB_LEGOTOWER=m CONFIG_USB_LCD=m +# CONFIG_USB_BERRY_CHARGE is not set CONFIG_USB_LED=m # CONFIG_USB_CYPRESS_CY7C63 is not set CONFIG_USB_CYTHERM=m diff --git a/arch/mips/configs/sb1250-swarm_defconfig b/arch/mips/configs/sb1250-swarm_defconfig index 533df6fd8b4..3c891ed1014 100644 --- a/arch/mips/configs/sb1250-swarm_defconfig +++ b/arch/mips/configs/sb1250-swarm_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:09 2007 +# Tue Feb 20 21:47:40 2007 # CONFIG_MIPS=y @@ -424,6 +424,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -581,6 +582,7 @@ CONFIG_NET_SB1250_MAC=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -945,6 +947,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=15 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # CONFIG_SB1XXX_CORELIS is not set # diff --git a/arch/mips/configs/sead_defconfig b/arch/mips/configs/sead_defconfig index 38816fe264a..e31d964a053 100644 --- a/arch/mips/configs/sead_defconfig +++ b/arch/mips/configs/sead_defconfig @@ -129,10 +129,12 @@ CONFIG_MIPS_MT_DISABLED=y # CONFIG_MIPS_VPE_LOADER is not set # CONFIG_64BIT_PHYS_ADDR is not set CONFIG_CPU_HAS_LLSC=y +# CONFIG_CPU_HAS_SMARTMIPS is not set CONFIG_CPU_HAS_SYNC=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_CPU_SUPPORTS_HIGHMEM=y +CONFIG_SYS_SUPPORTS_SMARTMIPS=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y diff --git a/arch/mips/configs/tb0226_defconfig b/arch/mips/configs/tb0226_defconfig index c2f7c8cea1e..5771c1aee76 100644 --- a/arch/mips/configs/tb0226_defconfig +++ b/arch/mips/configs/tb0226_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:11 2007 +# Tue Feb 20 21:47:41 2007 # CONFIG_MIPS=y @@ -396,6 +396,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -920,6 +921,7 @@ CONFIG_USB_STORAGE=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set diff --git a/arch/mips/configs/tb0229_defconfig b/arch/mips/configs/tb0229_defconfig index 33b788089ab..a8eb4b182d3 100644 --- a/arch/mips/configs/tb0229_defconfig +++ b/arch/mips/configs/tb0229_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:12 2007 +# Tue Feb 20 21:47:41 2007 # CONFIG_MIPS=y @@ -397,6 +397,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -530,6 +531,7 @@ CONFIG_R8169=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -819,6 +821,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set diff --git a/arch/mips/configs/tb0287_defconfig b/arch/mips/configs/tb0287_defconfig index d180586d638..c58afa2eac6 100644 --- a/arch/mips/configs/tb0287_defconfig +++ b/arch/mips/configs/tb0287_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:13 2007 +# Linux kernel version: 2.6.21-rc1 +# Thu Feb 22 10:38:09 2007 # CONFIG_MIPS=y @@ -409,6 +409,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -675,6 +676,7 @@ CONFIG_R8169=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set # CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -824,6 +826,11 @@ CONFIG_GPIO_VR41XX=y # CONFIG_HWMON_VID is not set # +# Multifunction device drivers +# +CONFIG_MFD_SM501=y + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -837,8 +844,10 @@ CONFIG_GPIO_VR41XX=y # # Graphics support # -# CONFIG_FIRMWARE_EDID is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y @@ -847,6 +856,10 @@ CONFIG_FB_CFB_IMAGEBLIT=y # CONFIG_FB_BACKLIGHT is not set # CONFIG_FB_MODE_HELPERS is not set # CONFIG_FB_TILEBLITTING is not set + +# +# Frambuffer hardware drivers +# # CONFIG_FB_CIRRUS is not set # CONFIG_FB_PM2 is not set # CONFIG_FB_CYBER2000 is not set @@ -866,8 +879,9 @@ CONFIG_FB_CFB_IMAGEBLIT=y # CONFIG_FB_KYRO is not set # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set -CONFIG_FB_SMIVGX=y +# CONFIG_FB_SMIVGX is not set # CONFIG_FB_TRIDENT is not set +CONFIG_FB_SM501=y # CONFIG_FB_VIRTUAL is not set # @@ -881,7 +895,6 @@ CONFIG_DUMMY_CONSOLE=y # Logo configuration # # CONFIG_LOGO is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -1016,6 +1029,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set diff --git a/arch/mips/configs/workpad_defconfig b/arch/mips/configs/workpad_defconfig index 570f0c1475b..2abbd682772 100644 --- a/arch/mips/configs/workpad_defconfig +++ b/arch/mips/configs/workpad_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:13 2007 +# Tue Feb 20 21:47:42 2007 # CONFIG_MIPS=y @@ -396,6 +396,7 @@ CONFIG_CONNECTOR=m # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/wrppmc_defconfig b/arch/mips/configs/wrppmc_defconfig index 08f3190dda8..44b6b7c1fdb 100644 --- a/arch/mips/configs/wrppmc_defconfig +++ b/arch/mips/configs/wrppmc_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:14 2007 +# Tue Feb 20 21:47:42 2007 # CONFIG_MIPS=y @@ -400,6 +400,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/yosemite_defconfig b/arch/mips/configs/yosemite_defconfig index aa69fee321d..f24e1c6fc48 100644 --- a/arch/mips/configs/yosemite_defconfig +++ b/arch/mips/configs/yosemite_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:15 2007 +# Tue Feb 20 21:47:42 2007 # CONFIG_MIPS=y @@ -381,6 +381,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -841,6 +842,7 @@ CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_KGDB is not set +CONFIG_SYS_SUPPORTS_KGDB=y # CONFIG_RUNTIME_DEBUG is not set # diff --git a/arch/mips/ddb5xxx/ddb5477/Makefile b/arch/mips/ddb5xxx/ddb5477/Makefile index ea68815ad17..23fd3b81fe1 100644 --- a/arch/mips/ddb5xxx/ddb5477/Makefile +++ b/arch/mips/ddb5xxx/ddb5477/Makefile @@ -6,5 +6,3 @@ obj-y += irq.o irq_5477.o setup.o lcd44780.o obj-$(CONFIG_RUNTIME_DEBUG) += debug.o obj-$(CONFIG_KGDB) += kgdb_io.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/dec/Makefile b/arch/mips/dec/Makefile index 8b790c2900d..9eb2f9c036a 100644 --- a/arch/mips/dec/Makefile +++ b/arch/mips/dec/Makefile @@ -8,5 +8,3 @@ obj-y := ecc-berr.o int-handler.o ioasic-irq.o kn01-berr.o \ obj-$(CONFIG_PROM_CONSOLE) += promcon.o obj-$(CONFIG_TC) += tc.o obj-$(CONFIG_CPU_HAS_WB) += wbflush.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/dec/prom/Makefile b/arch/mips/dec/prom/Makefile index bcd0247b3a6..064ae7a76bd 100644 --- a/arch/mips/dec/prom/Makefile +++ b/arch/mips/dec/prom/Makefile @@ -7,5 +7,3 @@ lib-y += init.o memory.o cmdline.o identify.o console.o lib-$(CONFIG_32BIT) += locore.o lib-$(CONFIG_64BIT) += call_o32.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/dec/prom/console.c b/arch/mips/dec/prom/console.c index cade16ec7e5..65419bf3244 100644 --- a/arch/mips/dec/prom/console.c +++ b/arch/mips/dec/prom/console.c @@ -16,40 +16,12 @@ #include <asm/dec/prom.h> -static void __init prom_console_write(struct console *con, const char *s, - unsigned int c) +void prom_putchar(char c) { - static char sfmt[] __initdata = "%%%us"; - char fmt[13]; + char s[2]; - snprintf(fmt, sizeof(fmt), sfmt, c); - prom_printf(fmt, s); -} - -static struct console promcons __initdata = { - .name = "prom", - .write = prom_console_write, - .flags = CON_PRINTBUFFER, - .index = -1, -}; - -static int promcons_output __initdata = 0; - -void __init register_prom_console(void) -{ - if (!promcons_output) { - promcons_output = 1; - register_console(&promcons); - } -} + s[0] = c; + s[1] = '\0'; -void __init unregister_prom_console(void) -{ - if (promcons_output) { - unregister_console(&promcons); - promcons_output = 0; - } + prom_printf( s); } - -void disable_early_printk(void) - __attribute__((alias("unregister_prom_console"))); diff --git a/arch/mips/dec/prom/identify.c b/arch/mips/dec/prom/identify.c index c4e3c1ea0d4..cd85924e257 100644 --- a/arch/mips/dec/prom/identify.c +++ b/arch/mips/dec/prom/identify.c @@ -26,9 +26,6 @@ #include "dectypes.h" -extern unsigned long mips_machgroup; -extern unsigned long mips_machtype; - static const char *dec_system_strings[] = { [MACH_DSUNKNOWN] "unknown DECstation", [MACH_DS23100] "DECstation 2100/3100", diff --git a/arch/mips/dec/prom/init.c b/arch/mips/dec/prom/init.c index bf2858071f1..a217aafe59f 100644 --- a/arch/mips/dec/prom/init.c +++ b/arch/mips/dec/prom/init.c @@ -103,9 +103,6 @@ void __init prom_init(void) if (prom_is_rex(magic)) rex_clear_cache(); - /* Register the early console. */ - register_prom_console(); - /* Were we compiled with the right CPU option? */ #if defined(CONFIG_CPU_R3000) if ((current_cpu_data.cputype == CPU_R4000SC) || diff --git a/arch/mips/defconfig b/arch/mips/defconfig index 6c2a233e36c..8cb8f591919 100644 --- a/arch/mips/defconfig +++ b/arch/mips/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:34 2007 +# Tue Feb 20 21:47:14 2007 # CONFIG_MIPS=y @@ -620,6 +620,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/gt64120/ev64120/Makefile b/arch/mips/gt64120/ev64120/Makefile index b2c53a8f871..323b2cebc69 100644 --- a/arch/mips/gt64120/ev64120/Makefile +++ b/arch/mips/gt64120/ev64120/Makefile @@ -7,5 +7,3 @@ # obj-y += irq.o promcon.o reset.o serialGT.o setup.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/gt64120/ev64120/promcon.c b/arch/mips/gt64120/ev64120/promcon.c index b5937c4ba7d..6e0ecfed964 100644 --- a/arch/mips/gt64120/ev64120/promcon.c +++ b/arch/mips/gt64120/ev64120/promcon.c @@ -24,11 +24,6 @@ static void prom_console_write(struct console *co, const char *s, } } -int prom_getchar(void) -{ - return 0; -} - static struct console sercons = { .name = "ttyS", .write = prom_console_write, diff --git a/arch/mips/gt64120/momenco_ocelot/Makefile b/arch/mips/gt64120/momenco_ocelot/Makefile index 6f708df8373..9f9a33fc76b 100644 --- a/arch/mips/gt64120/momenco_ocelot/Makefile +++ b/arch/mips/gt64120/momenco_ocelot/Makefile @@ -5,5 +5,3 @@ obj-y += irq.o prom.o reset.o setup.o obj-$(CONFIG_KGDB) += dbg_io.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/gt64120/wrppmc/Makefile b/arch/mips/gt64120/wrppmc/Makefile index 7cf52205511..e4250435ad8 100644 --- a/arch/mips/gt64120/wrppmc/Makefile +++ b/arch/mips/gt64120/wrppmc/Makefile @@ -10,5 +10,3 @@ # obj-y += irq.o reset.o setup.o time.o pci.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/jazz/Makefile b/arch/mips/jazz/Makefile index 02bd39add89..dd9d99bfcf7 100644 --- a/arch/mips/jazz/Makefile +++ b/arch/mips/jazz/Makefile @@ -3,5 +3,3 @@ # obj-y := irq.o jazzdma.o reset.o setup.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/jmr3927/common/Makefile b/arch/mips/jmr3927/common/Makefile index cb09a8eede1..01e7db19bcb 100644 --- a/arch/mips/jmr3927/common/Makefile +++ b/arch/mips/jmr3927/common/Makefile @@ -2,4 +2,4 @@ # Makefile for the common code of TOSHIBA JMR-TX3927 board # -obj-y += prom.o puts.o rtc_ds1742.o +obj-y += prom.o puts.o diff --git a/arch/mips/jmr3927/common/rtc_ds1742.c b/arch/mips/jmr3927/common/rtc_ds1742.c deleted file mode 100644 index e6561345d12..00000000000 --- a/arch/mips/jmr3927/common/rtc_ds1742.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ahennessy@mvista.com - * - * arch/mips/jmr3927/common/rtc_ds1742.c - * Based on arch/mips/ddb5xxx/common/rtc_ds1386.c - * low-level RTC hookups for s for Dallas 1742 chip. - * - * Copyright (C) 2000-2001 Toshiba Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - - -/* - * This file exports a function, rtc_ds1386_init(), which expects an - * uncached base address as the argument. It will set the two function - * pointers expected by the MIPS generic timer code. - */ - -#include <linux/bcd.h> -#include <linux/types.h> -#include <linux/time.h> -#include <linux/rtc.h> -#include <linux/ds1742rtc.h> - -#include <asm/time.h> -#include <asm/addrspace.h> - -#include <asm/debug.h> - -#define EPOCH 2000 - -static unsigned long rtc_base; - -static unsigned long -rtc_ds1742_get_time(void) -{ - unsigned int year, month, day, hour, minute, second; - unsigned int century; - unsigned long flags; - - spin_lock_irqsave(&rtc_lock, flags); - rtc_write(RTC_READ, RTC_CONTROL); - second = BCD2BIN(rtc_read(RTC_SECONDS) & RTC_SECONDS_MASK); - minute = BCD2BIN(rtc_read(RTC_MINUTES)); - hour = BCD2BIN(rtc_read(RTC_HOURS)); - day = BCD2BIN(rtc_read(RTC_DATE)); - month = BCD2BIN(rtc_read(RTC_MONTH)); - year = BCD2BIN(rtc_read(RTC_YEAR)); - century = BCD2BIN(rtc_read(RTC_CENTURY) & RTC_CENTURY_MASK); - rtc_write(0, RTC_CONTROL); - spin_unlock_irqrestore(&rtc_lock, flags); - - year += century * 100; - - return mktime(year, month, day, hour, minute, second); -} -extern void to_tm(unsigned long tim, struct rtc_time * tm); - -static int -rtc_ds1742_set_time(unsigned long t) -{ - struct rtc_time tm; - u8 year, month, day, hour, minute, second; - u8 cmos_year, cmos_month, cmos_day, cmos_hour, cmos_minute, cmos_second; - int cmos_century; - unsigned long flags; - - spin_lock_irqsave(&rtc_lock, flags); - rtc_write(RTC_READ, RTC_CONTROL); - cmos_second = (u8)(rtc_read(RTC_SECONDS) & RTC_SECONDS_MASK); - cmos_minute = (u8)rtc_read(RTC_MINUTES); - cmos_hour = (u8)rtc_read(RTC_HOURS); - cmos_day = (u8)rtc_read(RTC_DATE); - cmos_month = (u8)rtc_read(RTC_MONTH); - cmos_year = (u8)rtc_read(RTC_YEAR); - cmos_century = rtc_read(RTC_CENTURY) & RTC_CENTURY_MASK; - - rtc_write(RTC_WRITE, RTC_CONTROL); - - /* convert */ - to_tm(t, &tm); - - /* check each field one by one */ - year = BIN2BCD(tm.tm_year - EPOCH); - if (year != cmos_year) { - rtc_write(year,RTC_YEAR); - } - - month = BIN2BCD(tm.tm_mon); - if (month != (cmos_month & 0x1f)) { - rtc_write((month & 0x1f) | (cmos_month & ~0x1f),RTC_MONTH); - } - - day = BIN2BCD(tm.tm_mday); - if (day != cmos_day) { - - rtc_write(day, RTC_DATE); - } - - if (cmos_hour & 0x40) { - /* 12 hour format */ - hour = 0x40; - if (tm.tm_hour > 12) { - hour |= 0x20 | (BIN2BCD(hour-12) & 0x1f); - } else { - hour |= BIN2BCD(tm.tm_hour); - } - } else { - /* 24 hour format */ - hour = BIN2BCD(tm.tm_hour) & 0x3f; - } - if (hour != cmos_hour) rtc_write(hour, RTC_HOURS); - - minute = BIN2BCD(tm.tm_min); - if (minute != cmos_minute) { - rtc_write(minute, RTC_MINUTES); - } - - second = BIN2BCD(tm.tm_sec); - if (second != cmos_second) { - rtc_write(second & RTC_SECONDS_MASK,RTC_SECONDS); - } - - /* RTC_CENTURY and RTC_CONTROL share same address... */ - rtc_write(cmos_century, RTC_CONTROL); - spin_unlock_irqrestore(&rtc_lock, flags); - - return 0; -} - -void -rtc_ds1742_init(unsigned long base) -{ - u8 cmos_second; - - /* remember the base */ - rtc_base = base; - db_assert((rtc_base & 0xe0000000) == KSEG1); - - /* set the function pointers */ - rtc_mips_get_time = rtc_ds1742_get_time; - rtc_mips_set_time = rtc_ds1742_set_time; - - /* clear oscillator stop bit */ - rtc_write(RTC_READ, RTC_CONTROL); - cmos_second = (u8)(rtc_read(RTC_SECONDS) & RTC_SECONDS_MASK); - rtc_write(RTC_WRITE, RTC_CONTROL); - rtc_write(cmos_second, RTC_SECONDS); /* clear msb */ - rtc_write(0, RTC_CONTROL); -} diff --git a/arch/mips/jmr3927/rbhma3100/Makefile b/arch/mips/jmr3927/rbhma3100/Makefile index baf5077813c..18fe9a898cb 100644 --- a/arch/mips/jmr3927/rbhma3100/Makefile +++ b/arch/mips/jmr3927/rbhma3100/Makefile @@ -5,5 +5,3 @@ obj-y += init.o irq.o setup.o obj-$(CONFIG_RUNTIME_DEBUG) += debug.o obj-$(CONFIG_KGDB) += kgdb_io.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/jmr3927/rbhma3100/setup.c b/arch/mips/jmr3927/rbhma3100/setup.c index 7ca3d6d07b3..fc523bda068 100644 --- a/arch/mips/jmr3927/rbhma3100/setup.c +++ b/arch/mips/jmr3927/rbhma3100/setup.c @@ -45,6 +45,7 @@ #include <linux/param.h> /* for HZ */ #include <linux/delay.h> #include <linux/pm.h> +#include <linux/platform_device.h> #ifdef CONFIG_SERIAL_TXX9 #include <linux/tty.h> #include <linux/serial.h> @@ -137,10 +138,6 @@ int jmr3927_ccfg_toeon = 0; static inline void do_reset(void) { -#ifdef CONFIG_TC35815 - extern void tc35815_killall(void); - tc35815_killall(); -#endif #if 1 /* Resetting PCI bus */ jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR); jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI, JMR3927_IOC_RESET_ADDR); @@ -176,19 +173,10 @@ static cycle_t jmr3927_hpt_read(void) return jiffies * (JMR3927_TIMER_CLK / HZ) + jmr3927_tmrptr->trr; } -#define USE_RTC_DS1742 -#ifdef USE_RTC_DS1742 -extern void rtc_ds1742_init(unsigned long base); -#endif static void __init jmr3927_time_init(void) { clocksource_mips.read = jmr3927_hpt_read; mips_hpt_frequency = JMR3927_TIMER_CLK; -#ifdef USE_RTC_DS1742 - if (jmr3927_have_nvram()) { - rtc_ds1742_init(JMR3927_IOC_NVRAMB_ADDR); - } -#endif } void __init plat_timer_setup(struct irqaction *irq) @@ -544,3 +532,32 @@ void __init tx3927_setup(void) printk("TX3927 D-Cache WriteBack (CWF) .\n"); } } + +/* This trick makes rtc-ds1742 driver usable as is. */ +unsigned long __swizzle_addr_b(unsigned long port) +{ + if ((port & 0xffff0000) != JMR3927_IOC_NVRAMB_ADDR) + return port; + port = (port & 0xffff0000) | (port & 0x7fff << 1); +#ifdef __BIG_ENDIAN + return port; +#else + return port | 1; +#endif +} +EXPORT_SYMBOL(__swizzle_addr_b); + +static int __init jmr3927_rtc_init(void) +{ + struct resource res = { + .start = JMR3927_IOC_NVRAMB_ADDR - IO_BASE, + .end = JMR3927_IOC_NVRAMB_ADDR - IO_BASE + 0x800 - 1, + .flags = IORESOURCE_MEM, + }; + struct platform_device *dev; + if (!jmr3927_have_nvram()) + return -ENODEV; + dev = platform_device_register_simple("ds1742", -1, &res, 1); + return IS_ERR(dev) ? PTR_ERR(dev) : 0; +} +device_initcall(jmr3927_rtc_init); diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 8faf1b40cd6..49246264cc7 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -65,7 +65,6 @@ obj-$(CONFIG_64BIT) += cpu-bugs64.o obj-$(CONFIG_I8253) += i8253.o obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o +obj-$(CONFIG_EARLY_PRINTK) += early_printk.o CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(CFLAGS) -Wa,-mdaddi -c -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi) - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index c0b089d4718..222de465db7 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -64,6 +64,9 @@ void output_ptreg_defines(void) offset("#define PT_R31 ", struct pt_regs, regs[31]); offset("#define PT_LO ", struct pt_regs, lo); offset("#define PT_HI ", struct pt_regs, hi); +#ifdef CONFIG_CPU_HAS_SMARTMIPS + offset("#define PT_ACX ", struct pt_regs, acx); +#endif offset("#define PT_EPC ", struct pt_regs, cp0_epc); offset("#define PT_BVADDR ", struct pt_regs, cp0_badvaddr); offset("#define PT_STATUS ", struct pt_regs, cp0_status); @@ -246,6 +249,7 @@ void output_sc_defines(void) text("/* Linux sigcontext offsets. */"); offset("#define SC_REGS ", struct sigcontext, sc_regs); offset("#define SC_FPREGS ", struct sigcontext, sc_fpregs); + offset("#define SC_ACX ", struct sigcontext, sc_acx); offset("#define SC_MDHI ", struct sigcontext, sc_mdhi); offset("#define SC_MDLO ", struct sigcontext, sc_mdlo); offset("#define SC_PC ", struct sigcontext, sc_pc); diff --git a/arch/mips/kernel/early_printk.c b/arch/mips/kernel/early_printk.c new file mode 100644 index 00000000000..304efdc5682 --- /dev/null +++ b/arch/mips/kernel/early_printk.c @@ -0,0 +1,40 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2002, 2003, 06, 07 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2007 MIPS Technologies, Inc. + * written by Ralf Baechle (ralf@linux-mips.org) + */ +#include <linux/console.h> +#include <linux/init.h> + +extern void prom_putchar(char); + +static void early_console_write(struct console *con, const char *s, unsigned n) +{ + while (n-- && *s) { + if (*s == '\n') + prom_putchar('\r'); + prom_putchar(*s); + s++; + } +} + +static struct console early_console = { + .name = "early", + .write = early_console_write, + .flags = CON_PRINTBUFFER | CON_BOOT, + .index = -1 +}; + +void __init setup_early_printk(void) +{ + register_console(&early_console); +} + +void __init disable_early_printk(void) +{ + unregister_console(&early_console); +} diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index fc4dd6c9dd8..1df544c1f96 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -166,34 +166,6 @@ out: return error; } -asmlinkage long -sysn32_waitid(int which, compat_pid_t pid, - siginfo_t __user *uinfo, int options, - struct compat_rusage __user *uru) -{ - struct rusage ru; - long ret; - mm_segment_t old_fs = get_fs(); - int si_signo; - - if (!access_ok(VERIFY_WRITE, uinfo, sizeof(*uinfo))) - return -EFAULT; - - set_fs (KERNEL_DS); - ret = sys_waitid(which, pid, uinfo, options, - uru ? (struct rusage __user *) &ru : NULL); - set_fs (old_fs); - - if (__get_user(si_signo, &uinfo->si_signo)) - return -EFAULT; - if (ret < 0 || si_signo == 0) - return ret; - - if (uru) - ret = put_compat_rusage(&ru, uru); - return ret; -} - #define RLIM_INFINITY32 0x7fffffff #define RESOURCE32(x) ((x > RLIM_INFINITY32) ? RLIM_INFINITY32 : x) @@ -572,151 +544,6 @@ asmlinkage long sys32_sync_file_range(int fd, int __pad, flags); } -/* Argument list sizes for sys_socketcall */ -#define AL(x) ((x) * sizeof(unsigned int)) -static unsigned char socketcall_nargs[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3), - AL(3),AL(3),AL(4),AL(4),AL(4),AL(6), - AL(6),AL(2),AL(5),AL(5),AL(3),AL(3)}; -#undef AL - -/* - * System call vectors. - * - * Argument checking cleaned up. Saved 20% in size. - * This function doesn't need to set the kernel lock because - * it is set by the callees. - */ - -asmlinkage long sys32_socketcall(int call, unsigned int __user *args32) -{ - unsigned int a[6]; - unsigned int a0,a1; - int err; - - extern asmlinkage long sys_socket(int family, int type, int protocol); - extern asmlinkage long sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen); - extern asmlinkage long sys_connect(int fd, struct sockaddr __user *uservaddr, int addrlen); - extern asmlinkage long sys_listen(int fd, int backlog); - extern asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen); - extern asmlinkage long sys_getsockname(int fd, struct sockaddr __user *usockaddr, int __user *usockaddr_len); - extern asmlinkage long sys_getpeername(int fd, struct sockaddr __user *usockaddr, int __user *usockaddr_len); - extern asmlinkage long sys_socketpair(int family, int type, int protocol, int __user *usockvec); - extern asmlinkage long sys_send(int fd, void __user * buff, size_t len, unsigned flags); - extern asmlinkage long sys_sendto(int fd, void __user * buff, size_t len, unsigned flags, - struct sockaddr __user *addr, int addr_len); - extern asmlinkage long sys_recv(int fd, void __user * ubuf, size_t size, unsigned flags); - extern asmlinkage long sys_recvfrom(int fd, void __user * ubuf, size_t size, unsigned flags, - struct sockaddr __user *addr, int __user *addr_len); - extern asmlinkage long sys_shutdown(int fd, int how); - extern asmlinkage long sys_setsockopt(int fd, int level, int optname, char __user *optval, int optlen); - extern asmlinkage long sys_getsockopt(int fd, int level, int optname, char __user *optval, int __user *optlen); - extern asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags); - extern asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg, unsigned int flags); - - - if(call<1||call>SYS_RECVMSG) - return -EINVAL; - - /* copy_from_user should be SMP safe. */ - if (copy_from_user(a, args32, socketcall_nargs[call])) - return -EFAULT; - - a0=a[0]; - a1=a[1]; - - switch(call) - { - case SYS_SOCKET: - err = sys_socket(a0,a1,a[2]); - break; - case SYS_BIND: - err = sys_bind(a0,(struct sockaddr __user *)A(a1), a[2]); - break; - case SYS_CONNECT: - err = sys_connect(a0, (struct sockaddr __user *)A(a1), a[2]); - break; - case SYS_LISTEN: - err = sys_listen(a0,a1); - break; - case SYS_ACCEPT: - err = sys_accept(a0,(struct sockaddr __user *)A(a1), (int __user *)A(a[2])); - break; - case SYS_GETSOCKNAME: - err = sys_getsockname(a0,(struct sockaddr __user *)A(a1), (int __user *)A(a[2])); - break; - case SYS_GETPEERNAME: - err = sys_getpeername(a0, (struct sockaddr __user *)A(a1), (int __user *)A(a[2])); - break; - case SYS_SOCKETPAIR: - err = sys_socketpair(a0,a1, a[2], (int __user *)A(a[3])); - break; - case SYS_SEND: - err = sys_send(a0, (void __user *)A(a1), a[2], a[3]); - break; - case SYS_SENDTO: - err = sys_sendto(a0,(void __user *)A(a1), a[2], a[3], - (struct sockaddr __user *)A(a[4]), a[5]); - break; - case SYS_RECV: - err = sys_recv(a0, (void __user *)A(a1), a[2], a[3]); - break; - case SYS_RECVFROM: - err = sys_recvfrom(a0, (void __user *)A(a1), a[2], a[3], - (struct sockaddr __user *)A(a[4]), (int __user *)A(a[5])); - break; - case SYS_SHUTDOWN: - err = sys_shutdown(a0,a1); - break; - case SYS_SETSOCKOPT: - err = sys_setsockopt(a0, a1, a[2], (char __user *)A(a[3]), a[4]); - break; - case SYS_GETSOCKOPT: - err = sys_getsockopt(a0, a1, a[2], (char __user *)A(a[3]), (int __user *)A(a[4])); - break; - case SYS_SENDMSG: - err = sys_sendmsg(a0, (struct msghdr __user *) A(a1), a[2]); - break; - case SYS_RECVMSG: - err = sys_recvmsg(a0, (struct msghdr __user *) A(a1), a[2]); - break; - default: - err = -EINVAL; - break; - } - return err; -} - -struct sigevent32 { - u32 sigev_value; - u32 sigev_signo; - u32 sigev_notify; - u32 payload[(64 / 4) - 3]; -}; - -extern asmlinkage long -sys_timer_create(clockid_t which_clock, - struct sigevent __user *timer_event_spec, - timer_t __user * created_timer_id); - -long -sys32_timer_create(u32 clock, struct sigevent32 __user *se32, timer_t __user *timer_id) -{ - struct sigevent __user *p = NULL; - if (se32) { - struct sigevent se; - p = compat_alloc_user_space(sizeof(struct sigevent)); - memset(&se, 0, sizeof(struct sigevent)); - if (get_user(se.sigev_value.sival_int, &se32->sigev_value) || - __get_user(se.sigev_signo, &se32->sigev_signo) || - __get_user(se.sigev_notify, &se32->sigev_notify) || - __copy_from_user(&se._sigev_un._pad, &se32->payload, - sizeof(se32->payload)) || - copy_to_user(p, &se, sizeof(se))) - return -EFAULT; - } - return sys_timer_create(clock, p, timer_id); -} - save_static_function(sys32_clone); __attribute_used__ noinline static int _sys32_clone(nabi_no_regargs struct pt_regs regs) @@ -737,49 +564,3 @@ _sys32_clone(nabi_no_regargs struct pt_regs regs) return do_fork(clone_flags, newsp, ®s, 0, parent_tidptr, child_tidptr); } - -/* - * Implement the event wait interface for the eventpoll file. It is the kernel - * part of the user space epoll_pwait(2). - */ -asmlinkage long compat_sys_epoll_pwait(int epfd, - struct epoll_event __user *events, int maxevents, int timeout, - const compat_sigset_t __user *sigmask, size_t sigsetsize) -{ - int error; - sigset_t ksigmask, sigsaved; - - /* - * If the caller wants a certain signal mask to be set during the wait, - * we apply it here. - */ - if (sigmask) { - if (sigsetsize != sizeof(sigset_t)) - return -EINVAL; - if (!access_ok(VERIFY_READ, sigmask, sizeof(ksigmask))) - return -EFAULT; - if (__copy_conv_sigset_from_user(&ksigmask, sigmask)) - return -EFAULT; - sigdelsetmask(&ksigmask, sigmask(SIGKILL) | sigmask(SIGSTOP)); - sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved); - } - - error = sys_epoll_wait(epfd, events, maxevents, timeout); - - /* - * If we changed the signal mask, we need to restore the original one. - * In case we've got a signal while waiting, we do not restore the - * signal mask yet, and we allow do_signal() to deliver the signal on - * the way back to userspace, before the signal mask is restored. - */ - if (sigmask) { - if (error == -EINTR) { - memcpy(¤t->saved_sigmask, &sigsaved, - sizeof(sigsaved)); - set_thread_flag(TIF_RESTORE_SIGMASK); - } else - sigprocmask(SIG_SETMASK, &sigsaved, NULL); - } - - return error; -} diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c index 2ef857c3ee5..225755d0c1f 100644 --- a/arch/mips/kernel/mips_ksyms.c +++ b/arch/mips/kernel/mips_ksyms.c @@ -37,6 +37,7 @@ EXPORT_SYMBOL(kernel_thread); * Userspace access stuff. */ EXPORT_SYMBOL(__copy_user); +EXPORT_SYMBOL(__copy_user_inatomic); EXPORT_SYMBOL(__bzero); EXPORT_SYMBOL(__strncpy_from_user_nocheck_asm); EXPORT_SYMBOL(__strncpy_from_user_asm); diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index a669089e467..6bdfb5a9fa1 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -51,11 +51,11 @@ ATTRIB_NORET void cpu_idle(void) /* endless idle loop with no priority at all */ while (1) { while (!need_resched()) { -#ifdef CONFIG_MIPS_MT_SMTC +#ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG extern void smtc_idle_loop_hook(void); smtc_idle_loop_hook(); -#endif /* CONFIG_MIPS_MT_SMTC */ +#endif if (cpu_wait) (*cpu_wait)(); } diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 258d74fd0b6..201ae194d1b 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -236,6 +236,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case MMLO: tmp = regs->lo; break; +#ifdef CONFIG_CPU_HAS_SMARTMIPS + case ACX: + tmp = regs->acx; + break; +#endif case FPC_CSR: tmp = child->thread.fpu.fcr31; break; @@ -362,6 +367,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case MMLO: regs->lo = data; break; +#ifdef CONFIG_CPU_HAS_SMARTMIPS + case ACX: + regs->acx = data; + break; +#endif case FPC_CSR: child->thread.fpu.fcr31 = data; break; diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index d92c48e0d7a..e14ae09eda2 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -53,7 +53,7 @@ static char module_name[] = "rtlx"; static struct chan_waitqueues { wait_queue_head_t rt_queue; wait_queue_head_t lx_queue; - int in_open; + atomic_t in_open; } channel_wqs[RTLX_CHANNELS]; static struct irqaction irq; @@ -146,110 +146,80 @@ static void stopping(int vpe) int rtlx_open(int index, int can_sleep) { - int ret; - struct rtlx_channel *chan; volatile struct rtlx_info **p; + struct rtlx_channel *chan; + enum rtlx_state state; + int ret = 0; if (index >= RTLX_CHANNELS) { printk(KERN_DEBUG "rtlx_open index out of range\n"); return -ENOSYS; } - if (channel_wqs[index].in_open) { - printk(KERN_DEBUG "rtlx_open channel %d already opened\n", index); - return -EBUSY; + if (atomic_inc_return(&channel_wqs[index].in_open) > 1) { + printk(KERN_DEBUG "rtlx_open channel %d already opened\n", + index); + ret = -EBUSY; + goto out_fail; } - channel_wqs[index].in_open++; - if (rtlx == NULL) { if( (p = vpe_get_shared(RTLX_TARG_VPE)) == NULL) { if (can_sleep) { - DECLARE_WAITQUEUE(wait, current); - - /* go to sleep */ - add_wait_queue(&channel_wqs[index].lx_queue, &wait); - - set_current_state(TASK_INTERRUPTIBLE); - while ((p = vpe_get_shared(RTLX_TARG_VPE)) == NULL) { - schedule(); - set_current_state(TASK_INTERRUPTIBLE); - } - - set_current_state(TASK_RUNNING); - remove_wait_queue(&channel_wqs[index].lx_queue, &wait); - - /* back running */ + __wait_event_interruptible(channel_wqs[index].lx_queue, + (p = vpe_get_shared(RTLX_TARG_VPE)), + ret); + if (ret) + goto out_fail; } else { - printk( KERN_DEBUG "No SP program loaded, and device " + printk(KERN_DEBUG "No SP program loaded, and device " "opened with O_NONBLOCK\n"); - channel_wqs[index].in_open = 0; - return -ENOSYS; + ret = -ENOSYS; + goto out_fail; } } if (*p == NULL) { if (can_sleep) { - DECLARE_WAITQUEUE(wait, current); - - /* go to sleep */ - add_wait_queue(&channel_wqs[index].lx_queue, &wait); - - set_current_state(TASK_INTERRUPTIBLE); - while (*p == NULL) { - schedule(); - - /* reset task state to interruptable otherwise - we'll whizz round here like a very fast loopy - thing. schedule() appears to return with state - set to TASK_RUNNING. - - If the loaded SP program, for whatever reason, - doesn't set up the shared structure *p will never - become true. So whoever connected to either /dev/rt? - or if it was kspd, will then take up rather a lot of - processor cycles. - */ - - set_current_state(TASK_INTERRUPTIBLE); - } - - set_current_state(TASK_RUNNING); - remove_wait_queue(&channel_wqs[index].lx_queue, &wait); - - /* back running */ - } - else { + __wait_event_interruptible(channel_wqs[index].lx_queue, + *p != NULL, + ret); + if (ret) + goto out_fail; + } else { printk(" *vpe_get_shared is NULL. " "Has an SP program been loaded?\n"); - channel_wqs[index].in_open = 0; - return -ENOSYS; + ret = -ENOSYS; + goto out_fail; } } if ((unsigned int)*p < KSEG0) { printk(KERN_WARNING "vpe_get_shared returned an invalid pointer " "maybe an error code %d\n", (int)*p); - channel_wqs[index].in_open = 0; - return -ENOSYS; + ret = -ENOSYS; + goto out_fail; } - if ((ret = rtlx_init(*p)) < 0) { - channel_wqs[index].in_open = 0; - return ret; - } + if ((ret = rtlx_init(*p)) < 0) + goto out_ret; } chan = &rtlx->channel[index]; - if (chan->lx_state == RTLX_STATE_OPENED) { - channel_wqs[index].in_open = 0; - return -EBUSY; - } + state = xchg(&chan->lx_state, RTLX_STATE_OPENED); + if (state == RTLX_STATE_OPENED) { + ret = -EBUSY; + goto out_fail; + } - chan->lx_state = RTLX_STATE_OPENED; - channel_wqs[index].in_open = 0; - return 0; +out_fail: + smp_mb(); + atomic_dec(&channel_wqs[index].in_open); + smp_mb(); + +out_ret: + return ret; } int rtlx_release(int index) @@ -270,30 +240,17 @@ unsigned int rtlx_read_poll(int index, int can_sleep) /* data available to read? */ if (chan->lx_read == chan->lx_write) { if (can_sleep) { - DECLARE_WAITQUEUE(wait, current); - - /* go to sleep */ - add_wait_queue(&channel_wqs[index].lx_queue, &wait); - - set_current_state(TASK_INTERRUPTIBLE); - while (chan->lx_read == chan->lx_write) { - schedule(); + int ret = 0; - set_current_state(TASK_INTERRUPTIBLE); + __wait_event_interruptible(channel_wqs[index].lx_queue, + chan->lx_read != chan->lx_write || sp_stopping, + ret); + if (ret) + return ret; - if (sp_stopping) { - set_current_state(TASK_RUNNING); - remove_wait_queue(&channel_wqs[index].lx_queue, &wait); - return 0; - } - } - - set_current_state(TASK_RUNNING); - remove_wait_queue(&channel_wqs[index].lx_queue, &wait); - - /* back running */ - } - else + if (sp_stopping) + return 0; + } else return 0; } @@ -454,25 +411,22 @@ static ssize_t file_write(struct file *file, const char __user * buffer, { int minor; struct rtlx_channel *rt; - DECLARE_WAITQUEUE(wait, current); minor = iminor(file->f_path.dentry->d_inode); rt = &rtlx->channel[minor]; /* any space left... */ if (!rtlx_write_poll(minor)) { + int ret = 0; if (file->f_flags & O_NONBLOCK) return -EAGAIN; - add_wait_queue(&channel_wqs[minor].rt_queue, &wait); - set_current_state(TASK_INTERRUPTIBLE); - - while (!rtlx_write_poll(minor)) - schedule(); - - set_current_state(TASK_RUNNING); - remove_wait_queue(&channel_wqs[minor].rt_queue, &wait); + __wait_event_interruptible(channel_wqs[minor].rt_queue, + rtlx_write_poll(minor), + ret); + if (ret) + return ret; } return rtlx_write(minor, (void *)buffer, count, 1); @@ -513,7 +467,7 @@ static int rtlx_module_init(void) for (i = 0; i < RTLX_CHANNELS; i++) { init_waitqueue_head(&channel_wqs[i].rt_queue); init_waitqueue_head(&channel_wqs[i].lx_queue); - channel_wqs[i].in_open = 0; + atomic_set(&channel_wqs[i].in_open, 0); dev = device_create(mt_class, NULL, MKDEV(major, i), "%s%d", module_name, i); diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 7c0b3936ba4..0c9a9ff8cd2 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -656,6 +656,8 @@ einval: li v0, -EINVAL sys sys_kexec_load 4 sys sys_getcpu 3 sys sys_epoll_pwait 6 + sys sys_ioprio_set 3 + sys sys_ioprio_get 2 .endm /* We pre-compute the number of _instruction_ bytes needed to diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 10e9a18630a..23f3b118f71 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -470,4 +470,7 @@ sys_call_table: PTR sys_get_robust_list PTR sys_kexec_load /* 5270 */ PTR sys_getcpu - PTR compat_sys_epoll_pwait + PTR sys_epoll_pwait + PTR sys_ioprio_set + PTR sys_ioprio_get + .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 2ceda4644a4..6eac2833742 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -340,7 +340,7 @@ EXPORT(sysn32_call_table) PTR compat_sys_statfs64 PTR compat_sys_fstatfs64 PTR sys_sendfile64 - PTR sys32_timer_create /* 6220 */ + PTR compat_sys_timer_create /* 6220 */ PTR compat_sys_timer_settime PTR compat_sys_timer_gettime PTR sys_timer_getoverrun @@ -361,7 +361,7 @@ EXPORT(sysn32_call_table) PTR compat_sys_mq_notify PTR compat_sys_mq_getsetattr PTR sys_ni_syscall /* 6240, sys_vserver */ - PTR sysn32_waitid + PTR compat_sys_waitid PTR sys_ni_syscall /* available, was setaltroot */ PTR sys_add_key PTR sys_request_key @@ -395,5 +395,8 @@ EXPORT(sysn32_call_table) PTR compat_sys_set_robust_list PTR compat_sys_get_robust_list PTR compat_sys_kexec_load - PTR sys_getcpu + PTR sys_getcpu /* 6275 */ PTR compat_sys_epoll_pwait + PTR sys_ioprio_set + PTR sys_ioprio_get + .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index c5f590ca99b..7e74b412a78 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -307,7 +307,7 @@ sys_call_table: PTR compat_sys_statfs PTR compat_sys_fstatfs /* 4100 */ PTR sys_ni_syscall /* sys_ioperm */ - PTR sys32_socketcall + PTR compat_sys_socketcall PTR sys_syslog PTR compat_sys_setitimer PTR compat_sys_getitimer /* 4105 */ @@ -462,7 +462,7 @@ sys_call_table: PTR sys_fadvise64_64 PTR compat_sys_statfs64 /* 4255 */ PTR compat_sys_fstatfs64 - PTR sys32_timer_create + PTR compat_sys_timer_create PTR compat_sys_timer_settime PTR compat_sys_timer_gettime PTR sys_timer_getoverrun /* 4260 */ @@ -518,5 +518,7 @@ sys_call_table: PTR compat_sys_get_robust_list /* 4310 */ PTR compat_sys_kexec_load PTR sys_getcpu - PTR sys_epoll_pwait + PTR compat_sys_epoll_pwait + PTR sys_ioprio_set + PTR sys_ioprio_get /* 4315 */ .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 11ab222a2e9..4975da0bfb6 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -525,6 +525,14 @@ void __init setup_arch(char **cmdline_p) { cpu_probe(); prom_init(); + +#ifdef CONFIG_EARLY_PRINTK + { + extern void setup_early_printk(void); + + setup_early_printk(); + } +#endif cpu_report(); #if defined(CONFIG_VT) diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index adbfb95e42d..f091786187a 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -89,6 +89,9 @@ int setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) for (i = 1; i < 32; i++) err |= __put_user(regs->regs[i], &sc->sc_regs[i]); +#ifdef CONFIG_CPU_HAS_SMARTMIPS + err |= __put_user(regs->acx, &sc->sc_acx); +#endif err |= __put_user(regs->hi, &sc->sc_mdhi); err |= __put_user(regs->lo, &sc->sc_mdlo); if (cpu_has_dsp) { @@ -132,6 +135,10 @@ int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) current_thread_info()->restart_block.fn = do_no_restart_syscall; err |= __get_user(regs->cp0_epc, &sc->sc_pc); + +#ifdef CONFIG_CPU_HAS_SMARTMIPS + err |= __get_user(regs->acx, &sc->sc_acx); +#endif err |= __get_user(regs->hi, &sc->sc_mdhi); err |= __get_user(regs->lo, &sc->sc_mdlo); if (cpu_has_dsp) { diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 0555fc554f6..c46e479c992 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -51,31 +51,14 @@ int __cpu_logical_map[NR_CPUS]; /* Map logical to physical */ EXPORT_SYMBOL(phys_cpu_present_map); EXPORT_SYMBOL(cpu_online_map); +/* This happens early in bootup, can't really do it better */ static void smp_tune_scheduling (void) { struct cache_desc *cd = ¤t_cpu_data.scache; - unsigned long cachesize; /* kB */ - unsigned long cpu_khz; + unsigned long cachesize = cd->linesz * cd->sets * cd->ways; - /* - * Crude estimate until we actually meassure ... - */ - cpu_khz = loops_per_jiffy * 2 * HZ / 1000; - - /* - * Rough estimation for SMP scheduling, this is the number of - * cycles it takes for a fully memory-limited process to flush - * the SMP-local cache. - * - * (For a P5 this pretty much means we will choose another idle - * CPU almost always at wakeup time (this is due to the small - * L1 cache), on PIIs it's around 50-100 usecs, depending on - * the cache size) - */ - if (!cpu_khz) - return; - - cachesize = cd->linesz * cd->sets * cd->ways; + if (cachesize > max_cache_size) + max_cache_size = cachesize; } extern void __init calibrate_delay(void); diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 9251ea82493..f253eda27fa 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -141,10 +141,7 @@ __setup("ipibufs=", ipibufs); __setup("nostlb", stlb_disable); __setup("asidmask=", asidmask_set); -/* Enable additional debug checks before going into CPU idle loop */ -#define SMTC_IDLE_HOOK_DEBUG - -#ifdef SMTC_IDLE_HOOK_DEBUG +#ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG static int hang_trig = 0; @@ -176,7 +173,7 @@ int tcnoprog[NR_CPUS]; static atomic_t idle_hook_initialized = {0}; static int clock_hang_reported[NR_CPUS]; -#endif /* SMTC_IDLE_HOOK_DEBUG */ +#endif /* CONFIG_SMTC_IDLE_HOOK_DEBUG */ /* Initialize shared TLB - the should probably migrate to smtc_setup_cpus() */ @@ -394,10 +391,10 @@ void mipsmt_prepare_cpus(void) printk("ASID mask value override to 0x%x\n", asidmask); /* Temporary */ -#ifdef SMTC_IDLE_HOOK_DEBUG +#ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG if (hang_trig) printk("Logic Analyser Trigger on suspected TC hang\n"); -#endif /* SMTC_IDLE_HOOK_DEBUG */ +#endif /* CONFIG_SMTC_IDLE_HOOK_DEBUG */ /* Put MVPE's into 'configuration state' */ write_c0_mvpcontrol( read_c0_mvpcontrol() | MVPCONTROL_VPC ); @@ -817,9 +814,9 @@ void ipi_decode(struct smtc_ipi *pipi) case SMTC_CLOCK_TICK: /* Invoke Clock "Interrupt" */ ipi_timer_latch[dest_copy] = 0; -#ifdef SMTC_IDLE_HOOK_DEBUG +#ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG clock_hang_reported[dest_copy] = 0; -#endif /* SMTC_IDLE_HOOK_DEBUG */ +#endif /* CONFIG_SMTC_IDLE_HOOK_DEBUG */ local_timer_interrupt(0, NULL); break; case LINUX_SMP_IPI: @@ -1020,7 +1017,7 @@ EXPORT_SYMBOL(smtc_ipi_replay); void smtc_idle_loop_hook(void) { -#ifdef SMTC_IDLE_HOOK_DEBUG +#ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG int im; int flags; int mtflags; @@ -1113,7 +1110,7 @@ void smtc_idle_loop_hook(void) local_irq_restore(flags); if (pdb_msg != &id_ho_db_msg[0]) printk("CPU%d: %s", smp_processor_id(), id_ho_db_msg); -#endif /* SMTC_IDLE_HOOK_DEBUG */ +#endif /* CONFIG_SMTC_IDLE_HOOK_DEBUG */ /* * Replay any accumulated deferred IPIs. If "Instant Replay" diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 2aa208b99da..18f56a9dbcf 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -229,6 +229,9 @@ void show_regs(struct pt_regs *regs) printk("\n"); } +#ifdef CONFIG_CPU_HAS_SMARTMIPS + printk("Acx : %0*lx\n", field, regs->acx); +#endif printk("Hi : %0*lx\n", field, regs->hi); printk("Lo : %0*lx\n", field, regs->lo); diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index 7e7d5482348..24b7b053cfe 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -515,7 +515,7 @@ asmlinkage void do_ade(struct pt_regs *regs) goto sigbus; pc = (unsigned int __user *) exception_epc(regs); - if ((current->thread.mflags & MF_FIXADE) == 0) + if (user_mode(regs) && (current->thread.mflags & MF_FIXADE) == 0) goto sigbus; /* diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index 9aca871a307..c9ee9d2d585 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -1079,6 +1079,7 @@ static int getcwd(char *buff, int size) static int vpe_open(struct inode *inode, struct file *filp) { int minor, ret; + enum vpe_state state; struct vpe *v; struct vpe_notifications *not; @@ -1093,7 +1094,8 @@ static int vpe_open(struct inode *inode, struct file *filp) return -ENODEV; } - if (v->state != VPE_STATE_UNUSED) { + state = xchg(&v->state, VPE_STATE_INUSE); + if (state != VPE_STATE_UNUSED) { dvpe(); printk(KERN_DEBUG "VPE loader: tc in use dumping regs\n"); @@ -1108,9 +1110,6 @@ static int vpe_open(struct inode *inode, struct file *filp) cleanup_tc(get_tc(minor)); } - // allocate it so when we get write ops we know it's expected. - v->state = VPE_STATE_INUSE; - /* this of-course trashes what was there before... */ v->pbuffer = vmalloc(P_SIZE); v->plen = P_SIZE; diff --git a/arch/mips/lasat/lasat_board.c b/arch/mips/lasat/lasat_board.c index d425120b028..fbe9a87bd0a 100644 --- a/arch/mips/lasat/lasat_board.c +++ b/arch/mips/lasat/lasat_board.c @@ -110,12 +110,13 @@ int lasat_init_board_info(void) sizeof(struct lasat_eeprom_struct) - 4); if (crc != lasat_board_info.li_eeprom_info.crc32) { - prom_printf("WARNING...\nWARNING...\nEEPROM CRC does not match calculated, attempting to soldier on...\n"); + printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM CRC does " + "not match calculated, attempting to soldier on...\n"); } - if (lasat_board_info.li_eeprom_info.version != LASAT_EEPROM_VERSION) - { - prom_printf("WARNING...\nWARNING...\nEEPROM version %d, wanted version %d, attempting to soldier on...\n", + if (lasat_board_info.li_eeprom_info.version != LASAT_EEPROM_VERSION) { + printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM version " + "%d, wanted version %d, attempting to soldier on...\n", (unsigned int)lasat_board_info.li_eeprom_info.version, LASAT_EEPROM_VERSION); } @@ -124,7 +125,9 @@ int lasat_init_board_info(void) cfg1 = lasat_board_info.li_eeprom_info.cfg[1]; if ( LASAT_W0_DSCTYPE(cfg0) != 1) { - prom_printf("WARNING...\nWARNING...\nInvalid configuration read from EEPROM, attempting to soldier on..."); + printk(KERN_WARNING "WARNING...\nWARNING...\n" + "Invalid configuration read from EEPROM, attempting to " + "soldier on..."); } /* We have a valid configuration */ diff --git a/arch/mips/lasat/prom.c b/arch/mips/lasat/prom.c index d47692f73a2..812c6ac366b 100644 --- a/arch/mips/lasat/prom.c +++ b/arch/mips/lasat/prom.c @@ -23,10 +23,6 @@ #define PROM_PUTC_ADDR PROM_JUMP_TABLE_ENTRY(1) #define PROM_MONITOR_ADDR PROM_JUMP_TABLE_ENTRY(2) -static void null_prom_printf(const char * fmt, ...) -{ -} - static void null_prom_display(const char *string, int pos, int clear) { } @@ -40,50 +36,29 @@ static void null_prom_putc(char c) } /* these are functions provided by the bootloader */ -static void (* prom_putc)(char c) = null_prom_putc; -void (* prom_printf)(const char * fmt, ...) = null_prom_printf; +static void (* __prom_putc)(char c) = null_prom_putc; + +void prom_putchar(char c) +{ + __prom_putc(c); +} + void (* prom_display)(const char *string, int pos, int clear) = null_prom_display; void (* prom_monitor)(void) = null_prom_monitor; unsigned int lasat_ndelay_divider; -#define PROM_PRINTFBUF_SIZE 256 -static char prom_printfbuf[PROM_PRINTFBUF_SIZE]; - -static void real_prom_printf(const char * fmt, ...) -{ - va_list ap; - int len; - char *c = prom_printfbuf; - int i; - - va_start(ap, fmt); - len = vsnprintf(prom_printfbuf, PROM_PRINTFBUF_SIZE, fmt, ap); - va_end(ap); - - /* output overflowed the buffer */ - if (len < 0 || len > PROM_PRINTFBUF_SIZE) - len = PROM_PRINTFBUF_SIZE; - - for (i=0; i < len; i++) { - if (*c == '\n') - prom_putc('\r'); - prom_putc(*c++); - } -} - static void setup_prom_vectors(void) { u32 version = *(u32 *)(RESET_VECTOR + 0x90); if (version >= 307) { prom_display = (void *)PROM_DISPLAY_ADDR; - prom_putc = (void *)PROM_PUTC_ADDR; - prom_printf = real_prom_printf; + __prom_putc = (void *)PROM_PUTC_ADDR; prom_monitor = (void *)PROM_MONITOR_ADDR; } - prom_printf("prom vectors set up\n"); + printk("prom vectors set up\n"); } static struct at93c_defs at93c_defs[N_MACHTYPES] = { @@ -101,11 +76,11 @@ void __init prom_init(void) setup_prom_vectors(); if (current_cpu_data.cputype == CPU_R5000) { - prom_printf("LASAT 200 board\n"); + printk("LASAT 200 board\n"); mips_machtype = MACH_LASAT_200; lasat_ndelay_divider = LASAT_200_DIVIDER; } else { - prom_printf("LASAT 100 board\n"); + printk("LASAT 100 board\n"); mips_machtype = MACH_LASAT_100; lasat_ndelay_divider = LASAT_100_DIVIDER; } diff --git a/arch/mips/lasat/prom.h b/arch/mips/lasat/prom.h index 07be7bf1e4a..019d45fbd26 100644 --- a/arch/mips/lasat/prom.h +++ b/arch/mips/lasat/prom.h @@ -2,5 +2,4 @@ #define PROM_H extern void (* prom_display)(const char *string, int pos, int clear); extern void (* prom_monitor)(void); -extern void (* prom_printf)(const char * fmt, ...); #endif diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c index 14c55168f1f..488007f1398 100644 --- a/arch/mips/lasat/setup.c +++ b/arch/mips/lasat/setup.c @@ -116,7 +116,6 @@ static void lasat_time_init(void) void __init plat_timer_setup(struct irqaction *irq) { - write_c0_compare( read_c0_count() + mips_hpt_frequency / HZ); change_c0_status(ST0_IM, IE_IRQ0 | IE_IRQ5); } @@ -179,5 +178,5 @@ void __init plat_mem_setup(void) /* Switch from prom exception handler to normal mode */ change_c0_status(ST0_BEV,0); - prom_printf("Lasat specific initialization complete\n"); + pr_info("Lasat specific initialization complete\n"); } diff --git a/arch/mips/lib-32/Makefile b/arch/mips/lib-32/Makefile index 2036cf5e685..8b94d4cc5a3 100644 --- a/arch/mips/lib-32/Makefile +++ b/arch/mips/lib-32/Makefile @@ -21,5 +21,3 @@ obj-$(CONFIG_CPU_SB1) += dump_tlb.o obj-$(CONFIG_CPU_TX39XX) += r3k_dump_tlb.o obj-$(CONFIG_CPU_TX49XX) += dump_tlb.o obj-$(CONFIG_CPU_VR41XX) += dump_tlb.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/lib-64/Makefile b/arch/mips/lib-64/Makefile index 2036cf5e685..8b94d4cc5a3 100644 --- a/arch/mips/lib-64/Makefile +++ b/arch/mips/lib-64/Makefile @@ -21,5 +21,3 @@ obj-$(CONFIG_CPU_SB1) += dump_tlb.o obj-$(CONFIG_CPU_TX39XX) += r3k_dump_tlb.o obj-$(CONFIG_CPU_TX49XX) += dump_tlb.o obj-$(CONFIG_CPU_VR41XX) += dump_tlb.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile index 2453ea244cb..d7d3b14dcfb 100644 --- a/arch/mips/lib/Makefile +++ b/arch/mips/lib/Makefile @@ -2,13 +2,11 @@ # Makefile for MIPS-specific library files.. # -lib-y += csum_partial.o memcpy.o memcpy-inatomic.o memset.o promlib.o \ - strlen_user.o strncpy_user.o strnlen_user.o uncached.o +lib-y += csum_partial.o memcpy.o memcpy-inatomic.o memset.o strlen_user.o \ + strncpy_user.o strnlen_user.o uncached.o obj-y += iomap.o obj-$(CONFIG_PCI) += iomap-pci.o # libgcc-style stuff needed in the kernel lib-y += ashldi3.o ashrdi3.o lshrdi3.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/lib/promlib.c b/arch/mips/lib/promlib.c deleted file mode 100644 index dddfe98b4de..00000000000 --- a/arch/mips/lib/promlib.c +++ /dev/null @@ -1,24 +0,0 @@ -#include <stdarg.h> -#include <linux/kernel.h> - -extern void prom_putchar(char); - -void prom_printf(char *fmt, ...) -{ - va_list args; - char ppbuf[1024]; - char *bptr; - - va_start(args, fmt); - vsprintf(ppbuf, fmt, args); - - bptr = ppbuf; - - while (*bptr != 0) { - if (*bptr == '\n') - prom_putchar('\r'); - - prom_putchar(*bptr++); - } - va_end(args); -} diff --git a/arch/mips/mips-boards/generic/Makefile b/arch/mips/mips-boards/generic/Makefile index be47c1c2bc8..aade36d7878 100644 --- a/arch/mips/mips-boards/generic/Makefile +++ b/arch/mips/mips-boards/generic/Makefile @@ -18,9 +18,9 @@ # Makefile for the MIPS boards generic routines under Linux. # -obj-y := reset.o display.o init.o memory.o printf.o \ +obj-y := reset.o display.o init.o memory.o \ cmdline.o time.o + +obj-$(CONFIG_EARLY_PRINTK) += console.o obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_KGDB) += gdb_hook.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/mips-boards/generic/printf.c b/arch/mips/mips-boards/generic/console.c index 1a711bd79b5..4d8ab99e415 100644 --- a/arch/mips/mips-boards/generic/printf.c +++ b/arch/mips/mips-boards/generic/console.c @@ -17,10 +17,9 @@ * * Putting things on the screen/serial line using YAMONs facilities. */ +#include <linux/console.h> #include <linux/init.h> -#include <linux/kernel.h> #include <linux/serial_reg.h> -#include <linux/spinlock.h> #include <asm/io.h> #ifdef CONFIG_MIPS_ATLAS @@ -67,12 +66,3 @@ int prom_putchar(char c) return 1; } - -char prom_getchar(void) -{ - while (!(serial_in(UART_LSR) & UART_LSR_DR)) - ; - - return serial_in(UART_RX); -} - diff --git a/arch/mips/mips-boards/generic/init.c b/arch/mips/mips-boards/generic/init.c index 58a0fe88359..1acdf091c25 100644 --- a/arch/mips/mips-boards/generic/init.c +++ b/arch/mips/mips-boards/generic/init.c @@ -167,7 +167,7 @@ static void __init console_config(void) flow = 'r'; sprintf (console_string, " console=ttyS0,%d%c%c%c", baud, parity, bits, flow); strcat (prom_getcmdline(), console_string); - prom_printf("Config serial console:%s\n", console_string); + pr_info("Config serial console:%s\n", console_string); } } #endif @@ -210,8 +210,9 @@ void __init kgdb_config (void) generic_getDebugChar = rs_getDebugChar; } - prom_printf("KGDB: Using serial line /dev/ttyS%d at %d for session, " - "please connect your debugger\n", line ? 1 : 0, speed); + pr_info("KGDB: Using serial line /dev/ttyS%d at %d for " + "session, please connect your debugger\n", + line ? 1 : 0, speed); { char *s; @@ -250,8 +251,6 @@ void __init mips_ejtag_setup (void) void __init prom_init(void) { - u32 start, map, mask, data; - prom_argc = fw_arg0; _prom_argv = (int *) fw_arg1; _prom_envp = (int *) fw_arg2; @@ -277,6 +276,8 @@ void __init prom_init(void) mips_revision_corid = MIPS_REVISION_CORID_CORE_EMUL_MSC; } switch(mips_revision_corid) { + u32 start, map, mask, data; + case MIPS_REVISION_CORID_QED_RM5261: case MIPS_REVISION_CORID_CORE_LV: case MIPS_REVISION_CORID_CORE_FPGA: @@ -382,7 +383,7 @@ void __init prom_init(void) board_nmi_handler_setup = mips_nmi_setup; board_ejtag_handler_setup = mips_ejtag_setup; - prom_printf("\nLINUX started...\n"); + pr_info("\nLINUX started...\n"); prom_init_cmdline(); prom_meminit(); #ifdef CONFIG_SERIAL_8250_CONSOLE diff --git a/arch/mips/mips-boards/generic/memory.c b/arch/mips/mips-boards/generic/memory.c index ebf0e16c5a0..ae39953da2c 100644 --- a/arch/mips/mips-boards/generic/memory.c +++ b/arch/mips/mips-boards/generic/memory.c @@ -59,11 +59,12 @@ struct prom_pmemblock * __init prom_getmdesc(void) /* otherwise look in the environment */ memsize_str = prom_getenv("memsize"); if (!memsize_str) { - prom_printf("memsize not set in boot prom, set to default (32Mb)\n"); + printk(KERN_WARNING + "memsize not set in boot prom, set to default (32Mb)\n"); physical_memsize = 0x02000000; } else { #ifdef DEBUG - prom_printf("prom_memsize = %s\n", memsize_str); + pr_debug("prom_memsize = %s\n", memsize_str); #endif physical_memsize = simple_strtol(memsize_str, NULL, 0); } @@ -141,12 +142,12 @@ void __init prom_meminit(void) struct prom_pmemblock *p; #ifdef DEBUG - prom_printf("YAMON MEMORY DESCRIPTOR dump:\n"); + pr_debug("YAMON MEMORY DESCRIPTOR dump:\n"); p = prom_getmdesc(); while (p->size) { int i = 0; - prom_printf("[%d,%p]: base<%08lx> size<%08lx> type<%s>\n", - i, p, p->base, p->size, mtypes[p->type]); + pr_debug("[%d,%p]: base<%08lx> size<%08lx> type<%s>\n", + i, p, p->base, p->size, mtypes[p->type]); p++; i++; } diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c index a3c3a1d462b..df2a2bd3aa5 100644 --- a/arch/mips/mips-boards/generic/time.c +++ b/arch/mips/mips-boards/generic/time.c @@ -295,7 +295,4 @@ void __init plat_timer_setup(struct irqaction *irq) irq_desc[mips_cpu_timer_irq].status |= IRQ_PER_CPU; set_irq_handler(mips_cpu_timer_irq, handle_percpu_irq); #endif - - /* to generate the first timer interrupt */ - write_c0_compare (read_c0_count() + mips_hpt_frequency/HZ); } diff --git a/arch/mips/mips-boards/malta/Makefile b/arch/mips/mips-boards/malta/Makefile index cb7f349b051..377d9e8f250 100644 --- a/arch/mips/mips-boards/malta/Makefile +++ b/arch/mips/mips-boards/malta/Makefile @@ -21,4 +21,4 @@ obj-y := malta_int.o malta_setup.o obj-$(CONFIG_MTD) += malta_mtd.o -obj-$(CONFIG_SMP) += malta_smp.o +obj-$(CONFIG_MIPS_MT_SMTC) += malta_smtc.o diff --git a/arch/mips/mips-boards/malta/malta_smp.c b/arch/mips/mips-boards/malta/malta_smtc.c index cf967170fe2..d1c80f63110 100644 --- a/arch/mips/mips-boards/malta/malta_smp.c +++ b/arch/mips/mips-boards/malta/malta_smtc.c @@ -1,25 +1,14 @@ /* * Malta Platform-specific hooks for SMP operation */ +#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/cpumask.h> -#include <linux/interrupt.h> - -#include <asm/atomic.h> -#include <asm/cpu.h> -#include <asm/processor.h> -#include <asm/system.h> -#include <asm/hardirq.h> -#include <asm/mmu_context.h> -#include <asm/smp.h> -#ifdef CONFIG_MIPS_MT_SMTC +#include <asm/mipsregs.h> +#include <asm/mipsmtregs.h> +#include <asm/smtc.h> #include <asm/smtc_ipi.h> -#endif /* CONFIG_MIPS_MT_SMTC */ /* VPE/SMP Prototype implements platform interfaces directly */ -#if !defined(CONFIG_MIPS_MT_SMP) /* * Cause the specified action to be performed on a targeted "CPU" @@ -27,10 +16,8 @@ void core_send_ipi(int cpu, unsigned int action) { -/* "CPU" may be TC of same VPE, VPE of same CPU, or different CPU */ -#ifdef CONFIG_MIPS_MT_SMTC + /* "CPU" may be TC of same VPE, VPE of same CPU, or different CPU */ smtc_send_ipi(cpu, LINUX_SMP_IPI, action); -#endif /* CONFIG_MIPS_MT_SMTC */ } /* @@ -39,9 +26,7 @@ void core_send_ipi(int cpu, unsigned int action) void prom_boot_secondary(int cpu, struct task_struct *idle) { -#ifdef CONFIG_MIPS_MT_SMTC smtc_boot_secondary(cpu, idle); -#endif /* CONFIG_MIPS_MT_SMTC */ } /* @@ -50,7 +35,6 @@ void prom_boot_secondary(int cpu, struct task_struct *idle) void prom_init_secondary(void) { -#ifdef CONFIG_MIPS_MT_SMTC void smtc_init_secondary(void); int myvpe; @@ -65,7 +49,6 @@ void prom_init_secondary(void) } smtc_init_secondary(); -#endif /* CONFIG_MIPS_MT_SMTC */ } /* @@ -93,9 +76,7 @@ void __init plat_prepare_cpus(unsigned int max_cpus) void prom_smp_finish(void) { -#ifdef CONFIG_MIPS_MT_SMTC smtc_smp_finish(); -#endif /* CONFIG_MIPS_MT_SMTC */ } /* @@ -105,5 +86,3 @@ void prom_smp_finish(void) void prom_cpus_done(void) { } - -#endif /* CONFIG_MIPS32R2_MT_SMP */ diff --git a/arch/mips/mips-boards/sim/Makefile b/arch/mips/mips-boards/sim/Makefile index a12e32aafde..6aeebc9122f 100644 --- a/arch/mips/mips-boards/sim/Makefile +++ b/arch/mips/mips-boards/sim/Makefile @@ -1,5 +1,7 @@ # # Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved. +# Copyright (C) 2007 MIPS Technologies, Inc. +# written by Ralf Baechle (ralf@linux-mips.org) # # This program is free software; you can distribute it and/or modify it # under the terms of the GNU General Public License (Version 2) as @@ -15,5 +17,7 @@ # 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # -obj-y := sim_setup.o sim_mem.o sim_time.o sim_printf.o sim_int.o sim_cmdline.o +obj-y := sim_setup.o sim_mem.o sim_time.o sim_int.o sim_cmdline.o + +obj-$(CONFIG_EARLY_PRINTK) += sim_console.o obj-$(CONFIG_SMP) += sim_smp.o diff --git a/arch/mips/mips-boards/sim/sim_printf.c b/arch/mips/mips-boards/sim/sim_console.c index 3ee5a0b501a..de595a9ccb2 100644 --- a/arch/mips/mips-boards/sim/sim_printf.c +++ b/arch/mips/mips-boards/sim/sim_console.c @@ -1,7 +1,4 @@ /* - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * * This program is free software; you can distribute it and/or modify it * under the terms of the GNU General Public License (Version 2) as * published by the Free Software Foundation. @@ -15,14 +12,14 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. * - * Putting things on the screen/serial line using YAMONs facilities. + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * Copyright (C) 2007 MIPS Technologies, Inc. + * written by Ralf Baechle */ #include <linux/init.h> -#include <linux/kernel.h> #include <linux/serial_reg.h> -#include <linux/spinlock.h> #include <asm/io.h> -#include <asm/system.h> static inline unsigned int serial_in(int offset) { @@ -34,41 +31,10 @@ static inline void serial_out(int offset, int value) outb(value, 0x3f8 + offset); } -int putPromChar(char c) +void __init prom_putchar(char c) { while ((serial_in(UART_LSR) & UART_LSR_THRE) == 0) ; serial_out(UART_TX, c); - - return 1; -} - -char getPromChar(void) -{ - while (!(serial_in(UART_LSR) & 1)) - ; - - return serial_in(UART_RX); -} - -void prom_printf(char *fmt, ...) -{ - va_list args; - int l; - char *p, *buf_end; - char buf[1024]; - - va_start(args, fmt); - l = vsprintf(buf, fmt, args); /* hopefully i < sizeof(buf) */ - va_end(args); - - buf_end = buf + l; - - for (p = buf; p < buf_end; p++) { - /* Crude cr/nl handling is better than none */ - if (*p == '\n') - putPromChar('\r'); - putPromChar(*p); - } } diff --git a/arch/mips/mips-boards/sim/sim_mem.c b/arch/mips/mips-boards/sim/sim_mem.c index 46bc16f8b15..e408ef0bcd6 100644 --- a/arch/mips/mips-boards/sim/sim_mem.c +++ b/arch/mips/mips-boards/sim/sim_mem.c @@ -46,7 +46,7 @@ struct prom_pmemblock * __init prom_getmdesc(void) unsigned int memsize; memsize = 0x02000000; - prom_printf("Setting default memory size 0x%08x\n", memsize); + pr_info("Setting default memory size 0x%08x\n", memsize); memset(mdesc, 0, sizeof(mdesc)); diff --git a/arch/mips/mips-boards/sim/sim_setup.c b/arch/mips/mips-boards/sim/sim_setup.c index ea2066c3a1f..b705f09e57c 100644 --- a/arch/mips/mips-boards/sim/sim_setup.c +++ b/arch/mips/mips-boards/sim/sim_setup.c @@ -55,7 +55,7 @@ void __init plat_mem_setup(void) serial_init(); board_time_init = sim_time_init; - prom_printf("Linux started...\n"); + pr_info("Linux started...\n"); #ifdef CONFIG_MIPS_MT_SMP sanitize_tlb_entries(); @@ -66,7 +66,7 @@ void prom_init(void) { set_io_port_base(0xbfd00000); - prom_printf("\nLINUX started...\n"); + pr_info("\nLINUX started...\n"); prom_init_cmdline(); prom_meminit(); } @@ -91,7 +91,7 @@ static void __init serial_init(void) s.timeout = 4; if (early_serial_setup(&s) != 0) { - prom_printf(KERN_ERR "Serial setup failed!\n"); + printk(KERN_ERR "Serial setup failed!\n"); } #endif diff --git a/arch/mips/mips-boards/sim/sim_time.c b/arch/mips/mips-boards/sim/sim_time.c index 30711d016fe..d3a21c74151 100644 --- a/arch/mips/mips-boards/sim/sim_time.c +++ b/arch/mips/mips-boards/sim/sim_time.c @@ -199,7 +199,4 @@ void __init plat_timer_setup(struct irqaction *irq) irq_desc[mips_cpu_timer_irq].flags |= IRQ_PER_CPU; set_irq_handler(mips_cpu_timer_irq, handle_percpu_irq); #endif - - /* to generate the first timer interrupt */ - write_c0_compare(read_c0_count() + (mips_hpt_frequency/HZ)); } diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile index de5727385bc..293697b1560 100644 --- a/arch/mips/mm/Makefile +++ b/arch/mips/mm/Makefile @@ -31,5 +31,3 @@ obj-$(CONFIG_IP22_CPU_SCACHE) += sc-ip22.o obj-$(CONFIG_R5000_CPU_SCACHE) += sc-r5k.o obj-$(CONFIG_RM7000_CPU_SCACHE) += sc-rm7k.o obj-$(CONFIG_MIPS_CPU_SCACHE) += sc-mips.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c index f32ebde30cc..560a6de9655 100644 --- a/arch/mips/mm/c-tx39.c +++ b/arch/mips/mm/c-tx39.c @@ -128,7 +128,6 @@ static inline void tx39_flush_cache_all(void) return; tx39_blast_dcache(); - tx39_blast_icache(); } static inline void tx39___flush_cache_all(void) @@ -142,24 +141,19 @@ static void tx39_flush_cache_mm(struct mm_struct *mm) if (!cpu_has_dc_aliases) return; - if (cpu_context(smp_processor_id(), mm) != 0) { - tx39_flush_cache_all(); - } + if (cpu_context(smp_processor_id(), mm) != 0) + tx39_blast_dcache(); } static void tx39_flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { - int exec; - + if (!cpu_has_dc_aliases) + return; if (!(cpu_context(smp_processor_id(), vma->vm_mm))) return; - exec = vma->vm_flags & VM_EXEC; - if (cpu_has_dc_aliases || exec) - tx39_blast_dcache(); - if (exec) - tx39_blast_icache(); + tx39_blast_dcache(); } static void tx39_flush_cache_page(struct vm_area_struct *vma, unsigned long page, unsigned long pfn) @@ -218,7 +212,7 @@ static void tx39_flush_cache_page(struct vm_area_struct *vma, unsigned long page static void local_tx39_flush_data_cache_page(void * addr) { - tx39_blast_dcache_page(addr); + tx39_blast_dcache_page((unsigned long)addr); } static void tx39_flush_data_cache_page(unsigned long addr) diff --git a/arch/mips/mm/cerr-sb1.c b/arch/mips/mm/cerr-sb1.c index e19fbb9ee47..11a916629d3 100644 --- a/arch/mips/mm/cerr-sb1.c +++ b/arch/mips/mm/cerr-sb1.c @@ -77,66 +77,66 @@ static uint32_t extract_dc(unsigned short addr, int data); static inline void breakout_errctl(unsigned int val) { if (val & CP0_ERRCTL_RECOVERABLE) - prom_printf(" recoverable"); + printk(" recoverable"); if (val & CP0_ERRCTL_DCACHE) - prom_printf(" dcache"); + printk(" dcache"); if (val & CP0_ERRCTL_ICACHE) - prom_printf(" icache"); + printk(" icache"); if (val & CP0_ERRCTL_MULTIBUS) - prom_printf(" multiple-buserr"); - prom_printf("\n"); + printk(" multiple-buserr"); + printk("\n"); } static inline void breakout_cerri(unsigned int val) { if (val & CP0_CERRI_TAG_PARITY) - prom_printf(" tag-parity"); + printk(" tag-parity"); if (val & CP0_CERRI_DATA_PARITY) - prom_printf(" data-parity"); + printk(" data-parity"); if (val & CP0_CERRI_EXTERNAL) - prom_printf(" external"); - prom_printf("\n"); + printk(" external"); + printk("\n"); } static inline void breakout_cerrd(unsigned int val) { switch (val & CP0_CERRD_CAUSES) { case CP0_CERRD_LOAD: - prom_printf(" load,"); + printk(" load,"); break; case CP0_CERRD_STORE: - prom_printf(" store,"); + printk(" store,"); break; case CP0_CERRD_FILLWB: - prom_printf(" fill/wb,"); + printk(" fill/wb,"); break; case CP0_CERRD_COHERENCY: - prom_printf(" coherency,"); + printk(" coherency,"); break; case CP0_CERRD_DUPTAG: - prom_printf(" duptags,"); + printk(" duptags,"); break; default: - prom_printf(" NO CAUSE,"); + printk(" NO CAUSE,"); break; } if (!(val & CP0_CERRD_TYPES)) - prom_printf(" NO TYPE"); + printk(" NO TYPE"); else { if (val & CP0_CERRD_MULTIPLE) - prom_printf(" multi-err"); + printk(" multi-err"); if (val & CP0_CERRD_TAG_STATE) - prom_printf(" tag-state"); + printk(" tag-state"); if (val & CP0_CERRD_TAG_ADDRESS) - prom_printf(" tag-address"); + printk(" tag-address"); if (val & CP0_CERRD_DATA_SBE) - prom_printf(" data-SBE"); + printk(" data-SBE"); if (val & CP0_CERRD_DATA_DBE) - prom_printf(" data-DBE"); + printk(" data-DBE"); if (val & CP0_CERRD_EXTERNAL) - prom_printf(" external"); + printk(" external"); } - prom_printf("\n"); + printk("\n"); } #ifndef CONFIG_SIBYTE_BUS_WATCHER @@ -157,18 +157,18 @@ static void check_bus_watcher(void) l2_tag = in64(IO_SPACE_BASE | A_L2_ECC_TAG); #endif memio_err = csr_in32(IOADDR(A_BUS_MEM_IO_ERRORS)); - prom_printf("Bus watcher error counters: %08x %08x\n", l2_err, memio_err); - prom_printf("\nLast recorded signature:\n"); - prom_printf("Request %02x from %d, answered by %d with Dcode %d\n", + printk("Bus watcher error counters: %08x %08x\n", l2_err, memio_err); + printk("\nLast recorded signature:\n"); + printk("Request %02x from %d, answered by %d with Dcode %d\n", (unsigned int)(G_SCD_BERR_TID(status) & 0x3f), (int)(G_SCD_BERR_TID(status) >> 6), (int)G_SCD_BERR_RID(status), (int)G_SCD_BERR_DCODE(status)); #ifdef DUMP_L2_ECC_TAG_ON_ERROR - prom_printf("Last L2 tag w/ bad ECC: %016llx\n", l2_tag); + printk("Last L2 tag w/ bad ECC: %016llx\n", l2_tag); #endif } else { - prom_printf("Bus watcher indicates no error\n"); + printk("Bus watcher indicates no error\n"); } } #else @@ -187,11 +187,11 @@ asmlinkage void sb1_cache_error(void) #else csr_out32(M_SCD_TRACE_CFG_FREEZE, IO_SPACE_BASE | A_SCD_TRACE_CFG); #endif - prom_printf("Trace buffer frozen\n"); + printk("Trace buffer frozen\n"); #endif - prom_printf("Cache error exception on CPU %x:\n", - (read_c0_prid() >> 25) & 0x7); + printk("Cache error exception on CPU %x:\n", + (read_c0_prid() >> 25) & 0x7); __asm__ __volatile__ ( " .set push\n\t" @@ -209,43 +209,43 @@ asmlinkage void sb1_cache_error(void) "=r" (dpahi), "=r" (dpalo), "=r" (eepc)); cerr_dpa = (((uint64_t)dpahi) << 32) | dpalo; - prom_printf(" c0_errorepc == %08x\n", eepc); - prom_printf(" c0_errctl == %08x", errctl); + printk(" c0_errorepc == %08x\n", eepc); + printk(" c0_errctl == %08x", errctl); breakout_errctl(errctl); if (errctl & CP0_ERRCTL_ICACHE) { - prom_printf(" c0_cerr_i == %08x", cerr_i); + printk(" c0_cerr_i == %08x", cerr_i); breakout_cerri(cerr_i); if (CP0_CERRI_IDX_VALID(cerr_i)) { /* Check index of EPC, allowing for delay slot */ if (((eepc & SB1_CACHE_INDEX_MASK) != (cerr_i & SB1_CACHE_INDEX_MASK)) && ((eepc & SB1_CACHE_INDEX_MASK) != ((cerr_i & SB1_CACHE_INDEX_MASK) - 4))) - prom_printf(" cerr_i idx doesn't match eepc\n"); + printk(" cerr_i idx doesn't match eepc\n"); else { res = extract_ic(cerr_i & SB1_CACHE_INDEX_MASK, (cerr_i & CP0_CERRI_DATA) != 0); if (!(res & cerr_i)) - prom_printf("...didn't see indicated icache problem\n"); + printk("...didn't see indicated icache problem\n"); } } } if (errctl & CP0_ERRCTL_DCACHE) { - prom_printf(" c0_cerr_d == %08x", cerr_d); + printk(" c0_cerr_d == %08x", cerr_d); breakout_cerrd(cerr_d); if (CP0_CERRD_DPA_VALID(cerr_d)) { - prom_printf(" c0_cerr_dpa == %010llx\n", cerr_dpa); + printk(" c0_cerr_dpa == %010llx\n", cerr_dpa); if (!CP0_CERRD_IDX_VALID(cerr_d)) { res = extract_dc(cerr_dpa & SB1_CACHE_INDEX_MASK, (cerr_d & CP0_CERRD_DATA) != 0); if (!(res & cerr_d)) - prom_printf("...didn't see indicated dcache problem\n"); + printk("...didn't see indicated dcache problem\n"); } else { if ((cerr_dpa & SB1_CACHE_INDEX_MASK) != (cerr_d & SB1_CACHE_INDEX_MASK)) - prom_printf(" cerr_d idx doesn't match cerr_dpa\n"); + printk(" cerr_d idx doesn't match cerr_dpa\n"); else { res = extract_dc(cerr_d & SB1_CACHE_INDEX_MASK, (cerr_d & CP0_CERRD_DATA) != 0); if (!(res & cerr_d)) - prom_printf("...didn't see indicated problem\n"); + printk("...didn't see indicated problem\n"); } } } @@ -334,7 +334,7 @@ static uint32_t extract_ic(unsigned short addr, int data) uint8_t lru; int res = 0; - prom_printf("Icache index 0x%04x ", addr); + printk("Icache index 0x%04x ", addr); for (way = 0; way < 4; way++) { /* Index-load-tag-I */ __asm__ __volatile__ ( @@ -354,7 +354,7 @@ static uint32_t extract_ic(unsigned short addr, int data) taglo = ((unsigned long long)taglohi << 32) | taglolo; if (way == 0) { lru = (taghi >> 14) & 0xff; - prom_printf("[Bank %d Set 0x%02x] LRU > %d %d %d %d > MRU\n", + printk("[Bank %d Set 0x%02x] LRU > %d %d %d %d > MRU\n", ((addr >> 5) & 0x3), /* bank */ ((addr >> 7) & 0x3f), /* index */ (lru & 0x3), @@ -369,19 +369,19 @@ static uint32_t extract_ic(unsigned short addr, int data) if (valid) { tlo_tmp = taglo & 0xfff3ff; if (((taglo >> 10) & 1) ^ range_parity(tlo_tmp, 23, 0)) { - prom_printf(" ** bad parity in VTag0/G/ASID\n"); + printk(" ** bad parity in VTag0/G/ASID\n"); res |= CP0_CERRI_TAG_PARITY; } if (((taglo >> 11) & 1) ^ range_parity(taglo, 63, 24)) { - prom_printf(" ** bad parity in R/VTag1\n"); + printk(" ** bad parity in R/VTag1\n"); res |= CP0_CERRI_TAG_PARITY; } } if (valid ^ ((taghi >> 27) & 1)) { - prom_printf(" ** bad parity for valid bit\n"); + printk(" ** bad parity for valid bit\n"); res |= CP0_CERRI_TAG_PARITY; } - prom_printf(" %d [VA %016llx] [Vld? %d] raw tags: %08X-%016llX\n", + printk(" %d [VA %016llx] [Vld? %d] raw tags: %08X-%016llX\n", way, va, valid, taghi, taglo); if (data) { @@ -407,21 +407,21 @@ static uint32_t extract_ic(unsigned short addr, int data) : "r" ((way << 13) | addr | (offset << 3))); predecode = (datahi >> 8) & 0xff; if (((datahi >> 16) & 1) != (uint32_t)range_parity(predecode, 7, 0)) { - prom_printf(" ** bad parity in predecode\n"); + printk(" ** bad parity in predecode\n"); res |= CP0_CERRI_DATA_PARITY; } /* XXXKW should/could check predecode bits themselves */ if (((datahi >> 4) & 0xf) ^ inst_parity(insta)) { - prom_printf(" ** bad parity in instruction a\n"); + printk(" ** bad parity in instruction a\n"); res |= CP0_CERRI_DATA_PARITY; } if ((datahi & 0xf) ^ inst_parity(instb)) { - prom_printf(" ** bad parity in instruction b\n"); + printk(" ** bad parity in instruction b\n"); res |= CP0_CERRI_DATA_PARITY; } - prom_printf(" %05X-%08X%08X", datahi, insta, instb); + printk(" %05X-%08X%08X", datahi, insta, instb); } - prom_printf("\n"); + printk("\n"); } } return res; @@ -489,7 +489,7 @@ static uint32_t extract_dc(unsigned short addr, int data) uint8_t ecc, lru; int res = 0; - prom_printf("Dcache index 0x%04x ", addr); + printk("Dcache index 0x%04x ", addr); for (way = 0; way < 4; way++) { __asm__ __volatile__ ( " .set push\n\t" @@ -509,7 +509,7 @@ static uint32_t extract_dc(unsigned short addr, int data) pa = (taglo & 0xFFFFFFE000ULL) | addr; if (way == 0) { lru = (taghi >> 14) & 0xff; - prom_printf("[Bank %d Set 0x%02x] LRU > %d %d %d %d > MRU\n", + printk("[Bank %d Set 0x%02x] LRU > %d %d %d %d > MRU\n", ((addr >> 11) & 0x2) | ((addr >> 5) & 1), /* bank */ ((addr >> 6) & 0x3f), /* index */ (lru & 0x3), @@ -519,15 +519,15 @@ static uint32_t extract_dc(unsigned short addr, int data) } state = (taghi >> 25) & 0x1f; valid = DC_TAG_VALID(state); - prom_printf(" %d [PA %010llx] [state %s (%02x)] raw tags: %08X-%016llX\n", + printk(" %d [PA %010llx] [state %s (%02x)] raw tags: %08X-%016llX\n", way, pa, dc_state_str(state), state, taghi, taglo); if (valid) { if (((taglo >> 11) & 1) ^ range_parity(taglo, 39, 26)) { - prom_printf(" ** bad parity in PTag1\n"); + printk(" ** bad parity in PTag1\n"); res |= CP0_CERRD_TAG_ADDRESS; } if (((taglo >> 10) & 1) ^ range_parity(taglo, 25, 13)) { - prom_printf(" ** bad parity in PTag0\n"); + printk(" ** bad parity in PTag0\n"); res |= CP0_CERRD_TAG_ADDRESS; } } else { @@ -567,13 +567,13 @@ static uint32_t extract_dc(unsigned short addr, int data) } res |= (bits == 1) ? CP0_CERRD_DATA_SBE : CP0_CERRD_DATA_DBE; } - prom_printf(" %02X-%016llX", datahi, datalo); + printk(" %02X-%016llX", datahi, datalo); } - prom_printf("\n"); + printk("\n"); if (bad_ecc) - prom_printf(" dwords w/ bad ECC: %d %d %d %d\n", - !!(bad_ecc & 8), !!(bad_ecc & 4), - !!(bad_ecc & 2), !!(bad_ecc & 1)); + printk(" dwords w/ bad ECC: %d %d %d %d\n", + !!(bad_ecc & 8), !!(bad_ecc & 4), + !!(bad_ecc & 2), !!(bad_ecc & 1)); } } return res; diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index 4a32e939698..f503d02e403 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -246,10 +246,10 @@ void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, { BUG_ON(direction == DMA_NONE); - if (cpu_is_noncoherent_r10000(dev)) { + if (!plat_device_is_coherent(dev)) { unsigned long addr; - addr = plat_dma_addr_to_phys(dma_handle); + addr = PAGE_OFFSET + plat_dma_addr_to_phys(dma_handle); __dma_sync(addr, size, direction); } } @@ -276,7 +276,7 @@ void dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle, { BUG_ON(direction == DMA_NONE); - if (cpu_is_noncoherent_r10000(dev)) { + if (!plat_device_is_coherent(dev)) { unsigned long addr; addr = PAGE_OFFSET + plat_dma_addr_to_phys(dma_handle); @@ -295,7 +295,7 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, /* Make sure that gcc doesn't leave the empty loop body. */ for (i = 0; i < nelems; i++, sg++) { - if (!plat_device_is_coherent(dev)) + if (cpu_is_noncoherent_r10000(dev)) __dma_sync((unsigned long)page_address(sg->page), sg->length, direction); plat_unmap_dma_mem(sg->dma_address); diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c index fc2c96f0a1f..cea7d0ea36e 100644 --- a/arch/mips/mm/ioremap.c +++ b/arch/mips/mm/ioremap.c @@ -6,13 +6,98 @@ * (C) Copyright 1995 1996 Linus Torvalds * (C) Copyright 2001, 2002 Ralf Baechle */ -#include <linux/mm.h> #include <linux/module.h> #include <asm/addrspace.h> #include <asm/byteorder.h> #include <linux/vmalloc.h> -#include <linux/io.h> +#include <asm/cacheflush.h> +#include <asm/io.h> +#include <asm/tlbflush.h> + +static inline void remap_area_pte(pte_t * pte, unsigned long address, + phys_t size, phys_t phys_addr, unsigned long flags) +{ + phys_t end; + unsigned long pfn; + pgprot_t pgprot = __pgprot(_PAGE_GLOBAL | _PAGE_PRESENT | __READABLE + | __WRITEABLE | flags); + + address &= ~PMD_MASK; + end = address + size; + if (end > PMD_SIZE) + end = PMD_SIZE; + if (address >= end) + BUG(); + pfn = phys_addr >> PAGE_SHIFT; + do { + if (!pte_none(*pte)) { + printk("remap_area_pte: page already exists\n"); + BUG(); + } + set_pte(pte, pfn_pte(pfn, pgprot)); + address += PAGE_SIZE; + pfn++; + pte++; + } while (address && (address < end)); +} + +static inline int remap_area_pmd(pmd_t * pmd, unsigned long address, + phys_t size, phys_t phys_addr, unsigned long flags) +{ + phys_t end; + + address &= ~PGDIR_MASK; + end = address + size; + if (end > PGDIR_SIZE) + end = PGDIR_SIZE; + phys_addr -= address; + if (address >= end) + BUG(); + do { + pte_t * pte = pte_alloc_kernel(pmd, address); + if (!pte) + return -ENOMEM; + remap_area_pte(pte, address, end - address, address + phys_addr, flags); + address = (address + PMD_SIZE) & PMD_MASK; + pmd++; + } while (address && (address < end)); + return 0; +} + +static int remap_area_pages(unsigned long address, phys_t phys_addr, + phys_t size, unsigned long flags) +{ + int error; + pgd_t * dir; + unsigned long end = address + size; + + phys_addr -= address; + dir = pgd_offset(&init_mm, address); + flush_cache_all(); + if (address >= end) + BUG(); + do { + pud_t *pud; + pmd_t *pmd; + + error = -ENOMEM; + pud = pud_alloc(&init_mm, dir, address); + if (!pud) + break; + pmd = pmd_alloc(&init_mm, pud, address); + if (!pmd) + break; + if (remap_area_pmd(pmd, address, end - address, + phys_addr + address, flags)) + break; + error = 0; + address = (address + PGDIR_SIZE) & PGDIR_MASK; + dir++; + } while (address && (address < end)); + flush_tlb_all(); + return error; +} /* * Generic mapping function (not visible outside): @@ -36,7 +121,6 @@ void __iomem * __ioremap(phys_t phys_addr, phys_t size, unsigned long flags) unsigned long offset; phys_t last_addr; void * addr; - pgprot_t pgprot; phys_addr = fixup_bigphys_addr(phys_addr, size); @@ -68,9 +152,6 @@ void __iomem * __ioremap(phys_t phys_addr, phys_t size, unsigned long flags) return NULL; } - pgprot = __pgprot(_PAGE_GLOBAL | _PAGE_PRESENT | __READABLE - | __WRITEABLE | flags); - /* * Mappings have to be page-aligned */ @@ -85,8 +166,7 @@ void __iomem * __ioremap(phys_t phys_addr, phys_t size, unsigned long flags) if (!area) return NULL; addr = area->addr; - if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size, - phys_addr, pgprot)) { + if (remap_area_pages((unsigned long) addr, phys_addr, size, flags)) { vunmap(addr); return NULL; } diff --git a/arch/mips/momentum/jaguar_atx/ja-console.c b/arch/mips/momentum/jaguar_atx/ja-console.c index 2292d0ec47f..2c30b4f5624 100644 --- a/arch/mips/momentum/jaguar_atx/ja-console.c +++ b/arch/mips/momentum/jaguar_atx/ja-console.c @@ -74,11 +74,6 @@ void prom_putchar(char c) uart->iu_thr = c; } -char __init prom_getchar(void) -{ - return 0; -} - static void inline ja_console_probe(void) { struct uart_port up; diff --git a/arch/mips/momentum/jaguar_atx/platform.c b/arch/mips/momentum/jaguar_atx/platform.c index c78ba3025af..561844878a9 100644 --- a/arch/mips/momentum/jaguar_atx/platform.c +++ b/arch/mips/momentum/jaguar_atx/platform.c @@ -47,10 +47,8 @@ static struct resource mv64x60_eth0_resources[] = { }, }; -static char eth0_mac_addr[ETH_ALEN]; - static struct mv643xx_eth_platform_data eth0_pd = { - .mac_addr = eth0_mac_addr, + .port_number = 0, .tx_sram_addr = MV_SRAM_BASE_ETH0, .tx_sram_size = MV_SRAM_TXRING_SIZE, @@ -80,10 +78,8 @@ static struct resource mv64x60_eth1_resources[] = { }, }; -static char eth1_mac_addr[ETH_ALEN]; - static struct mv643xx_eth_platform_data eth1_pd = { - .mac_addr = eth1_mac_addr, + .port_number = 1, .tx_sram_addr = MV_SRAM_BASE_ETH1, .tx_sram_size = MV_SRAM_TXRING_SIZE, @@ -113,10 +109,8 @@ static struct resource mv64x60_eth2_resources[] = { }, }; -static char eth2_mac_addr[ETH_ALEN]; - static struct mv643xx_eth_platform_data eth2_pd = { - .mac_addr = eth2_mac_addr, + .port_number = 2, }; static struct platform_device eth2_device = { @@ -200,9 +194,9 @@ static int __init mv643xx_eth_add_pds(void) int ret; get_mac(mac); - eth_mac_add(eth1_mac_addr, mac, 0); - eth_mac_add(eth1_mac_addr, mac, 1); - eth_mac_add(eth2_mac_addr, mac, 2); + eth_mac_add(eth0_pd.mac_addr, mac, 0); + eth_mac_add(eth1_pd.mac_addr, mac, 1); + eth_mac_add(eth2_pd.mac_addr, mac, 2); ret = platform_add_devices(mv643xx_eth_pd_devs, ARRAY_SIZE(mv643xx_eth_pd_devs)); diff --git a/arch/mips/momentum/ocelot_3/platform.c b/arch/mips/momentum/ocelot_3/platform.c index 0ab8d231cf7..44e4c3fc740 100644 --- a/arch/mips/momentum/ocelot_3/platform.c +++ b/arch/mips/momentum/ocelot_3/platform.c @@ -47,10 +47,8 @@ static struct resource mv64x60_eth0_resources[] = { }, }; -static char eth0_mac_addr[ETH_ALEN]; - static struct mv643xx_eth_platform_data eth0_pd = { - .mac_addr = eth0_mac_addr, + .port_number = 0, .tx_sram_addr = MV_SRAM_BASE_ETH0, .tx_sram_size = MV_SRAM_TXRING_SIZE, @@ -80,10 +78,8 @@ static struct resource mv64x60_eth1_resources[] = { }, }; -static char eth1_mac_addr[ETH_ALEN]; - static struct mv643xx_eth_platform_data eth1_pd = { - .mac_addr = eth1_mac_addr, + .port_number = 1, .tx_sram_addr = MV_SRAM_BASE_ETH1, .tx_sram_size = MV_SRAM_TXRING_SIZE, @@ -113,10 +109,8 @@ static struct resource mv64x60_eth2_resources[] = { }, }; -static char eth2_mac_addr[ETH_ALEN]; - static struct mv643xx_eth_platform_data eth2_pd = { - .mac_addr = eth2_mac_addr, + .port_number = 2, }; static struct platform_device eth2_device = { @@ -200,9 +194,9 @@ static int __init mv643xx_eth_add_pds(void) int ret; get_mac(mac); - eth_mac_add(eth1_mac_addr, mac, 0); - eth_mac_add(eth1_mac_addr, mac, 1); - eth_mac_add(eth2_mac_addr, mac, 2); + eth_mac_add(eth0_pd.mac_addr, mac, 0); + eth_mac_add(eth1_pd.mac_addr, mac, 1); + eth_mac_add(eth2_pd.mac_addr, mac, 2); ret = platform_add_devices(mv643xx_eth_pd_devs, ARRAY_SIZE(mv643xx_eth_pd_devs)); diff --git a/arch/mips/momentum/ocelot_c/platform.c b/arch/mips/momentum/ocelot_c/platform.c index 8e381d44757..7780aa0c655 100644 --- a/arch/mips/momentum/ocelot_c/platform.c +++ b/arch/mips/momentum/ocelot_c/platform.c @@ -46,10 +46,8 @@ static struct resource mv64x60_eth0_resources[] = { }, }; -static char eth0_mac_addr[ETH_ALEN]; - static struct mv643xx_eth_platform_data eth0_pd = { - .mac_addr = eth0_mac_addr, + .port_number = 0, .tx_sram_addr = MV_SRAM_BASE_ETH0, .tx_sram_size = MV_SRAM_TXRING_SIZE, @@ -79,10 +77,8 @@ static struct resource mv64x60_eth1_resources[] = { }, }; -static char eth1_mac_addr[ETH_ALEN]; - static struct mv643xx_eth_platform_data eth1_pd = { - .mac_addr = eth1_mac_addr, + .port_number = 1, .tx_sram_addr = MV_SRAM_BASE_ETH1, .tx_sram_size = MV_SRAM_TXRING_SIZE, @@ -174,8 +170,8 @@ static int __init mv643xx_eth_add_pds(void) int ret; get_mac(mac); - eth_mac_add(eth1_mac_addr, mac, 0); - eth_mac_add(eth1_mac_addr, mac, 1); + eth_mac_add(eth0_pd.mac_addr, mac, 0); + eth_mac_add(eth1_pd.mac_addr, mac, 1); ret = platform_add_devices(mv643xx_eth_pd_devs, ARRAY_SIZE(mv643xx_eth_pd_devs)); diff --git a/arch/mips/momentum/ocelot_g/Makefile b/arch/mips/momentum/ocelot_g/Makefile index adb5665d40a..c0a0030d949 100644 --- a/arch/mips/momentum/ocelot_g/Makefile +++ b/arch/mips/momentum/ocelot_g/Makefile @@ -4,5 +4,3 @@ obj-y += irq.o gt-irq.o prom.o reset.o setup.o obj-$(CONFIG_KGDB) += dbg_io.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index 455d76ad06d..9d08608aaa5 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -223,10 +223,12 @@ static inline int n_counters(void) switch (current_cpu_data.cputype) { case CPU_R10000: counters = 2; + break; case CPU_R12000: case CPU_R14000: counters = 4; + break; default: counters = __n_counters(); diff --git a/arch/mips/pci/fixup-jmr3927.c b/arch/mips/pci/fixup-jmr3927.c index f8696081c5b..6e72d213f4c 100644 --- a/arch/mips/pci/fixup-jmr3927.c +++ b/arch/mips/pci/fixup-jmr3927.c @@ -38,6 +38,10 @@ int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) { unsigned char irq = pin; + /* SMSC SLC90E66 IDE uses irq 14, 15 (default) */ + if (dev->vendor == PCI_VENDOR_ID_EFAR && + dev->device == PCI_DEVICE_ID_EFAR_SLC90E66_1) + return irq; /* IRQ rotation (PICMG) */ irq--; /* 0-3 */ if (dev->bus->parent == NULL && @@ -93,13 +97,3 @@ int pcibios_plat_dev_init(struct pci_dev *dev) { return 0; } - -int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) -{ - /* SMSC SLC90E66 IDE uses irq 14, 15 (default) */ - if (!(dev->vendor == PCI_VENDOR_ID_EFAR && - dev->device == PCI_DEVICE_ID_EFAR_SLC90E66_1)) - return pci_get_irq(dev, pin); - - dev->irq = irq; -} diff --git a/arch/mips/pci/fixup-sni.c b/arch/mips/pci/fixup-sni.c index 0c9a4732d45..36e5fb1b378 100644 --- a/arch/mips/pci/fixup-sni.c +++ b/arch/mips/pci/fixup-sni.c @@ -14,6 +14,8 @@ #include <asm/mipsregs.h> #include <asm/sni.h> +#include <irq.h> + /* * PCIMT Shortcuts ... */ diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c index 8ae46481fcb..7932dfe5eb9 100644 --- a/arch/mips/pci/ops-au1000.c +++ b/arch/mips/pci/ops-au1000.c @@ -172,7 +172,11 @@ static int config_access(unsigned char access_type, struct pci_bus *bus, error = -1; DBG("Au1x Master Abort\n"); } else if ((status >> 28) & 0xf) { - DBG("PCI ERR detected: status %x\n", status); + DBG("PCI ERR detected: device %d, status %x\n", device, ((status >> 28) & 0xf)); + + /* clear errors */ + au_writel(status & 0xf000ffff, Au1500_PCI_STATCMD); + *data = 0xffffffff; error = -1; } diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index 697a7e48cb8..de7cfc559dd 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -231,7 +231,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return pcibios_plat_dev_init(dev); } -static void __init pcibios_fixup_device_resources(struct pci_dev *dev, +static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus) { /* Update device resources. */ diff --git a/arch/mips/philips/pnx8550/common/prom.c b/arch/mips/philips/pnx8550/common/prom.c index 8aeed6c2b8c..2f567452e7a 100644 --- a/arch/mips/philips/pnx8550/common/prom.c +++ b/arch/mips/philips/pnx8550/common/prom.c @@ -112,7 +112,7 @@ void __init prom_free_prom_memory(void) extern int pnx8550_console_port; -/* used by prom_printf */ +/* used by early printk */ void prom_putchar(char c) { if (pnx8550_console_port != -1) { diff --git a/arch/mips/philips/pnx8550/common/setup.c b/arch/mips/philips/pnx8550/common/setup.c index e62123ca9b6..5bd73747768 100644 --- a/arch/mips/philips/pnx8550/common/setup.c +++ b/arch/mips/philips/pnx8550/common/setup.c @@ -41,8 +41,6 @@ #include <uart.h> #include <nand.h> -extern void prom_printf(char *fmt, ...); - extern void __init board_setup(void); extern void pnx8550_machine_restart(char *); extern void pnx8550_machine_halt(void); @@ -51,7 +49,6 @@ extern struct resource ioport_resource; extern struct resource iomem_resource; extern void pnx8550_time_init(void); extern void rs_kgdb_hook(int tty_no); -extern void prom_printf(char *fmt, ...); extern char *prom_getcmdline(void); struct resource standard_io_resources[] = { @@ -141,7 +138,7 @@ void __init plat_mem_setup(void) argptr += strlen("console=ttyS"); pnx8550_console_port = *argptr == '0' ? 0 : 1; - /* We must initialize the UART (console) before prom_printf */ + /* We must initialize the UART (console) before early printk */ /* Set LCR to 8-bit and BAUD to 38400 (no 5) */ ip3106_lcr(UART_BASE, pnx8550_console_port) = PNX8XXX_UART_LCR_8BIT; @@ -155,8 +152,8 @@ void __init plat_mem_setup(void) argptr += strlen("kgdb=ttyS"); line = *argptr == '0' ? 0 : 1; rs_kgdb_hook(line); - prom_printf("KGDB: Using ttyS%i for session, " - "please connect your debugger\n", line ? 1 : 0); + pr_info("KGDB: Using ttyS%i for session, " + "please connect your debugger\n", line ? 1 : 0); } #endif return; diff --git a/arch/mips/pmc-sierra/yosemite/py-console.c b/arch/mips/pmc-sierra/yosemite/py-console.c index 757e605693f..b7f1d9c4a8a 100644 --- a/arch/mips/pmc-sierra/yosemite/py-console.c +++ b/arch/mips/pmc-sierra/yosemite/py-console.c @@ -107,8 +107,3 @@ void prom_putchar(char c) while ((readb_outer_space(lsr) & 0x20) == 0); writeb_outer_space(thr, c); } - -char __init prom_getchar(void) -{ - return 0; -} diff --git a/arch/mips/sgi-ip22/Makefile b/arch/mips/sgi-ip22/Makefile index 6aa4c0cd169..b6d649241dc 100644 --- a/arch/mips/sgi-ip22/Makefile +++ b/arch/mips/sgi-ip22/Makefile @@ -7,5 +7,3 @@ obj-y += ip22-mc.o ip22-hpc.o ip22-int.o ip22-berr.o \ ip22-time.o ip22-nvram.o ip22-reset.o ip22-setup.o obj-$(CONFIG_EISA) += ip22-eisa.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/sgi-ip27/Makefile b/arch/mips/sgi-ip27/Makefile index a457263f439..7ce76e20beb 100644 --- a/arch/mips/sgi-ip27/Makefile +++ b/arch/mips/sgi-ip27/Makefile @@ -9,5 +9,3 @@ obj-y := ip27-berr.o ip27-irq.o ip27-init.o ip27-klconfig.o ip27-klnuma.o \ obj-$(CONFIG_EARLY_PRINTK) += ip27-console.o obj-$(CONFIG_KGDB) += ip27-dbgio.o obj-$(CONFIG_SMP) += ip27-smp.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/sgi-ip27/ip27-console.c b/arch/mips/sgi-ip27/ip27-console.c index 14211e38237..3ba830651c5 100644 --- a/arch/mips/sgi-ip27/ip27-console.c +++ b/arch/mips/sgi-ip27/ip27-console.c @@ -6,12 +6,6 @@ * Copyright (C) 2001, 2002 Ralf Baechle */ #include <linux/init.h> -#include <linux/console.h> -#include <linux/kdev_t.h> -#include <linux/major.h> -#include <linux/termios.h> -#include <linux/sched.h> -#include <linux/tty.h> #include <asm/page.h> #include <asm/semaphore.h> @@ -38,37 +32,10 @@ static inline struct ioc3_uartregs *console_uart(void) return &ioc3->sregs.uarta; } -void prom_putchar(char c) +void __init prom_putchar(char c) { struct ioc3_uartregs *uart = console_uart(); while ((uart->iu_lsr & 0x20) == 0); uart->iu_thr = c; } - -static void ioc3_console_write(struct console *con, const char *s, unsigned n) -{ - while (n-- && *s) { - if (*s == '\n') - prom_putchar('\r'); - prom_putchar(*s); - s++; - } -} - -static struct console ioc3_console = { - .name = "ioc3", - .write = ioc3_console_write, - .flags = CON_PRINTBUFFER | CON_BOOT, - .index = -1 -}; - -__init void ip27_setup_console(void) -{ - register_console(&ioc3_console); -} - -void __init disable_early_printk(void) -{ - unregister_console(&ioc3_console); -} diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c index 9094baf31d0..74158d34963 100644 --- a/arch/mips/sgi-ip27/ip27-init.c +++ b/arch/mips/sgi-ip27/ip27-init.c @@ -191,7 +191,6 @@ static inline void ioc3_eth_init(void) ioc3->eier = 0; } -extern void ip27_setup_console(void); extern void ip27_time_init(void); extern void ip27_reboot_setup(void); @@ -200,7 +199,6 @@ void __init plat_mem_setup(void) hubreg_t p, e, n_mode; nasid_t nid; - ip27_setup_console(); ip27_reboot_setup(); /* diff --git a/arch/mips/sgi-ip32/Makefile b/arch/mips/sgi-ip32/Makefile index 530bf848c3d..7e1416768a6 100644 --- a/arch/mips/sgi-ip32/Makefile +++ b/arch/mips/sgi-ip32/Makefile @@ -5,5 +5,3 @@ obj-y += ip32-berr.o ip32-irq.o ip32-setup.o ip32-reset.o \ crime.o ip32-memory.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/sibyte/Kconfig b/arch/mips/sibyte/Kconfig index ec7a2cffacf..bdf24a7b549 100644 --- a/arch/mips/sibyte/Kconfig +++ b/arch/mips/sibyte/Kconfig @@ -1,31 +1,35 @@ config SIBYTE_SB1250 bool select HW_HAS_PCI - select SIBYTE_HAS_LDT + select SIBYTE_ENABLE_LDT_IF_PCI select SIBYTE_SB1xxx_SOC select SYS_SUPPORTS_SMP config SIBYTE_BCM1120 bool select SIBYTE_BCM112X + select SIBYTE_HAS_ZBUS_PROFILING select SIBYTE_SB1xxx_SOC config SIBYTE_BCM1125 bool select HW_HAS_PCI select SIBYTE_BCM112X + select SIBYTE_HAS_ZBUS_PROFILING select SIBYTE_SB1xxx_SOC config SIBYTE_BCM1125H bool select HW_HAS_PCI select SIBYTE_BCM112X - select SIBYTE_HAS_LDT + select SIBYTE_ENABLE_LDT_IF_PCI + select SIBYTE_HAS_ZBUS_PROFILING select SIBYTE_SB1xxx_SOC config SIBYTE_BCM112X bool select SIBYTE_SB1xxx_SOC + select SIBYTE_HAS_ZBUS_PROFILING config SIBYTE_BCM1x80 bool @@ -37,6 +41,7 @@ config SIBYTE_BCM1x55 bool select HW_HAS_PCI select SIBYTE_SB1xxx_SOC + select SIBYTE_HAS_ZBUS_PROFILING select SYS_SUPPORTS_SMP config SIBYTE_SB1xxx_SOC @@ -95,8 +100,10 @@ config CPU_SB1_PASS_2 config SIBYTE_HAS_LDT bool - depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H) - default y + +config SIBYTE_ENABLE_LDT_IF_PCI + bool + select SIBYTE_HAS_LDT if PCI config SIMULATION bool "Running under simulation" @@ -116,6 +123,7 @@ config SB1_CERR_STALL config SIBYTE_CFE bool "Booting from CFE" depends on SIBYTE_SB1xxx_SOC + select SYS_HAS_EARLY_PRINTK help Make use of the CFE API for enumerating available memory, controlling secondary CPUs, and possibly console output. @@ -131,6 +139,7 @@ config SIBYTE_CFE_CONSOLE config SIBYTE_STANDALONE bool depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE + select SYS_HAS_EARLY_PRINTK default y config SIBYTE_STANDALONE_RAM_SIZE @@ -160,5 +169,8 @@ config SIBYTE_SB1250_PROF depends on SIBYTE_SB1xxx_SOC config SIBYTE_TBPROF - bool "Support for ZBbus profiling" - depends on SIBYTE_SB1xxx_SOC + tristate "Support for ZBbus profiling" + depends on SIBYTE_HAS_ZBUS_PROFILING + +config SIBYTE_HAS_ZBUS_PROFILING + bool diff --git a/arch/mips/sibyte/bcm1480/Makefile b/arch/mips/sibyte/bcm1480/Makefile index 7b36ff3873b..cdc4c56c3e2 100644 --- a/arch/mips/sibyte/bcm1480/Makefile +++ b/arch/mips/sibyte/bcm1480/Makefile @@ -1,5 +1,3 @@ obj-y := setup.o irq.o time.o obj-$(CONFIG_SMP) += smp.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c index 1dc5d05d896..20af0f1bb7b 100644 --- a/arch/mips/sibyte/bcm1480/irq.c +++ b/arch/mips/sibyte/bcm1480/irq.c @@ -420,7 +420,7 @@ void __init arch_init_irq(void) #ifdef CONFIG_GDB_CONSOLE register_gdb_console(); #endif - prom_printf("Waiting for GDB on UART port %d\n", kgdb_port); + printk("Waiting for GDB on UART port %d\n", kgdb_port); set_debug_traps(); breakpoint(); } diff --git a/arch/mips/sibyte/bcm1480/setup.c b/arch/mips/sibyte/bcm1480/setup.c index 8236d0c4854..bdaac34ae70 100644 --- a/arch/mips/sibyte/bcm1480/setup.c +++ b/arch/mips/sibyte/bcm1480/setup.c @@ -69,7 +69,7 @@ static inline int sys_rev_decode(void) break; default: - prom_printf("Unknown part type %x\n", part_type); + printk("Unknown part type %x\n", part_type); ret = 1; break; } @@ -102,7 +102,7 @@ static inline int setup_bcm1x80_bcm1x55(void) pass_str = "B0 (pass2)"; break; default: - prom_printf("Unknown %s rev %x\n", soc_str, soc_pass); + printk("Unknown %s rev %x\n", soc_str, soc_pass); periph_rev = 1; pass_str = "Unknown Revision"; break; @@ -122,14 +122,14 @@ void bcm1480_setup(void) soc_pass = G_SYS_REVISION(sys_rev); if (sys_rev_decode()) { - prom_printf("Restart after failure to identify SiByte chip\n"); + printk("Restart after failure to identify SiByte chip\n"); machine_restart(NULL); } plldiv = G_BCM1480_SYS_PLL_DIV(__raw_readq(IOADDR(A_SCD_SYSTEM_CFG))); zbbus_mhz = ((plldiv >> 1) * 50) + ((plldiv & 1) * 25); - prom_printf("Broadcom SiByte %s %s @ %d MHz (SB-1A rev %d)\n", + printk("Broadcom SiByte %s %s @ %d MHz (SB-1A rev %d)\n", soc_str, pass_str, zbbus_mhz * 2, sb1_pass); - prom_printf("Board type: %s\n", get_system_type()); + printk("Board type: %s\n", get_system_type()); } diff --git a/arch/mips/sibyte/cfe/setup.c b/arch/mips/sibyte/cfe/setup.c index 9e6099e6962..ae4a92c3e52 100644 --- a/arch/mips/sibyte/cfe/setup.c +++ b/arch/mips/sibyte/cfe/setup.c @@ -221,10 +221,10 @@ static int __init initrd_setup(char *str) goto fail; } initrd_end = initrd_start + initrd_size; - prom_printf("Found initrd of %lx@%lx\n", initrd_size, initrd_start); + printk("Found initrd of %lx@%lx\n", initrd_size, initrd_start); return 1; fail: - prom_printf("Bad initrd argument. Disabling initrd\n"); + printk("Bad initrd argument. Disabling initrd\n"); initrd_start = 0; initrd_end = 0; return 1; @@ -281,7 +281,7 @@ void __init prom_init(void) } if (cfe_eptseal != CFE_EPTSEAL) { /* too early for panic to do any good */ - prom_printf("CFE's entrypoint seal doesn't match. Spinning."); + printk("CFE's entrypoint seal doesn't match. Spinning."); while (1) ; } cfe_init(cfe_handle, cfe_ept); @@ -303,7 +303,7 @@ void __init prom_init(void) } else { /* The loader should have set the command line */ /* too early for panic to do any good */ - prom_printf("LINUX_CMDLINE not defined in cfe."); + printk("LINUX_CMDLINE not defined in cfe."); while (1) ; } } diff --git a/arch/mips/sibyte/sb1250/Makefile b/arch/mips/sibyte/sb1250/Makefile index a2fdbd62f8a..04c0f1a7f61 100644 --- a/arch/mips/sibyte/sb1250/Makefile +++ b/arch/mips/sibyte/sb1250/Makefile @@ -4,5 +4,3 @@ obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_SIBYTE_TBPROF) += bcm1250_tbprof.o obj-$(CONFIG_SIBYTE_STANDALONE) += prom.o obj-$(CONFIG_SIBYTE_BUS_WATCHER) += bus_watcher.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/sibyte/sb1250/bcm1250_tbprof.c b/arch/mips/sibyte/sb1250/bcm1250_tbprof.c index 212547c5731..ea0ca131a3c 100644 --- a/arch/mips/sibyte/sb1250/bcm1250_tbprof.c +++ b/arch/mips/sibyte/sb1250/bcm1250_tbprof.c @@ -1,6 +1,4 @@ /* - * Copyright (C) 2001, 2002, 2003 Broadcom Corporation - * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 @@ -14,10 +12,16 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2001, 2002, 2003 Broadcom Corporation + * Copyright (C) 2007 Ralf Baechle <ralf@linux-mips.org> + * Copyright (C) 2007 MIPS Technologies, Inc. + * written by Ralf Baechle <ralf@linux-mips.org> */ -#define SBPROF_TB_DEBUG 0 +#undef DEBUG +#include <linux/device.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> @@ -27,24 +31,98 @@ #include <linux/vmalloc.h> #include <linux/fs.h> #include <linux/errno.h> -#include <linux/reboot.h> -#include <linux/smp_lock.h> +#include <linux/types.h> #include <linux/wait.h> -#include <asm/uaccess.h> + #include <asm/io.h> #include <asm/sibyte/sb1250.h> #include <asm/sibyte/sb1250_regs.h> #include <asm/sibyte/sb1250_scd.h> #include <asm/sibyte/sb1250_int.h> -#include <asm/sibyte/trace_prof.h> +#include <asm/system.h> +#include <asm/uaccess.h> -#define DEVNAME "bcm1250_tbprof" +#define SBPROF_TB_MAJOR 240 + +typedef u64 tb_sample_t[6*256]; + +enum open_status { + SB_CLOSED, + SB_OPENING, + SB_OPEN +}; + +struct sbprof_tb { + wait_queue_head_t tb_sync; + wait_queue_head_t tb_read; + struct mutex lock; + enum open_status open; + tb_sample_t *sbprof_tbbuf; + int next_tb_sample; + + volatile int tb_enable; + volatile int tb_armed; + +}; static struct sbprof_tb sbp; +#define MAX_SAMPLE_BYTES (24*1024*1024) +#define MAX_TBSAMPLE_BYTES (12*1024*1024) + +#define MAX_SAMPLES (MAX_SAMPLE_BYTES/sizeof(u_int32_t)) +#define TB_SAMPLE_SIZE (sizeof(tb_sample_t)) +#define MAX_TB_SAMPLES (MAX_TBSAMPLE_BYTES/TB_SAMPLE_SIZE) + +/* ioctls */ +#define SBPROF_ZBSTART _IOW('s', 0, int) +#define SBPROF_ZBSTOP _IOW('s', 1, int) +#define SBPROF_ZBWAITFULL _IOW('s', 2, int) + +/* + * Routines for using 40-bit SCD cycle counter + * + * Client responsible for either handling interrupts or making sure + * the cycles counter never saturates, e.g., by doing + * zclk_timer_init(0) at least every 2^40 - 1 ZCLKs. + */ + +/* + * Configures SCD counter 0 to count ZCLKs starting from val; + * Configures SCD counters1,2,3 to count nothing. + * Must not be called while gathering ZBbus profiles. + */ + +#define zclk_timer_init(val) \ + __asm__ __volatile__ (".set push;" \ + ".set mips64;" \ + "la $8, 0xb00204c0;" /* SCD perf_cnt_cfg */ \ + "sd %0, 0x10($8);" /* write val to counter0 */ \ + "sd %1, 0($8);" /* config counter0 for zclks*/ \ + ".set pop" \ + : /* no outputs */ \ + /* enable, counter0 */ \ + : /* inputs */ "r"(val), "r" ((1ULL << 33) | 1ULL) \ + : /* modifies */ "$8" ) + + +/* Reads SCD counter 0 and puts result in value + unsigned long long val; */ +#define zclk_get(val) \ + __asm__ __volatile__ (".set push;" \ + ".set mips64;" \ + "la $8, 0xb00204c0;" /* SCD perf_cnt_cfg */ \ + "ld %0, 0x10($8);" /* write val to counter0 */ \ + ".set pop" \ + : /* outputs */ "=r"(val) \ + : /* inputs */ \ + : /* modifies */ "$8" ) + +#define DEVNAME "bcm1250_tbprof" + #define TB_FULL (sbp.next_tb_sample == MAX_TB_SAMPLES) -/************************************************************************ +/* * Support for ZBbus sampling using the trace buffer * * We use the SCD performance counter interrupt, caused by a Zclk counter @@ -54,30 +132,36 @@ static struct sbprof_tb sbp; * overflow. * * We map the interrupt for trace_buffer_freeze to handle it on CPU 0. - * - ************************************************************************/ + */ -static u_int64_t tb_period; +static u64 tb_period; static void arm_tb(void) { - u_int64_t scdperfcnt; - u_int64_t next = (1ULL << 40) - tb_period; - u_int64_t tb_options = M_SCD_TRACE_CFG_FREEZE_FULL; - /* Generate an SCD_PERFCNT interrupt in TB_PERIOD Zclks to - trigger start of trace. XXX vary sampling period */ + u64 scdperfcnt; + u64 next = (1ULL << 40) - tb_period; + u64 tb_options = M_SCD_TRACE_CFG_FREEZE_FULL; + + /* + * Generate an SCD_PERFCNT interrupt in TB_PERIOD Zclks to trigger + *start of trace. XXX vary sampling period + */ __raw_writeq(0, IOADDR(A_SCD_PERF_CNT_1)); scdperfcnt = __raw_readq(IOADDR(A_SCD_PERF_CNT_CFG)); - /* Unfortunately, in Pass 2 we must clear all counters to knock down - a previous interrupt request. This means that bus profiling - requires ALL of the SCD perf counters. */ + + /* + * Unfortunately, in Pass 2 we must clear all counters to knock down a + * previous interrupt request. This means that bus profiling requires + * ALL of the SCD perf counters. + */ __raw_writeq((scdperfcnt & ~M_SPC_CFG_SRC1) | - // keep counters 0,2,3 as is - M_SPC_CFG_ENABLE | // enable counting - M_SPC_CFG_CLEAR | // clear all counters - V_SPC_CFG_SRC1(1), // counter 1 counts cycles + /* keep counters 0,2,3 as is */ + M_SPC_CFG_ENABLE | /* enable counting */ + M_SPC_CFG_CLEAR | /* clear all counters */ + V_SPC_CFG_SRC1(1), /* counter 1 counts cycles */ IOADDR(A_SCD_PERF_CNT_CFG)); __raw_writeq(next, IOADDR(A_SCD_PERF_CNT_1)); + /* Reset the trace buffer */ __raw_writeq(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG)); #if 0 && defined(M_SCD_TRACE_CFG_FORCECNT) @@ -91,43 +175,45 @@ static void arm_tb(void) static irqreturn_t sbprof_tb_intr(int irq, void *dev_id) { int i; - DBG(printk(DEVNAME ": tb_intr\n")); + + pr_debug(DEVNAME ": tb_intr\n"); + if (sbp.next_tb_sample < MAX_TB_SAMPLES) { /* XXX should use XKPHYS to make writes bypass L2 */ - u_int64_t *p = sbp.sbprof_tbbuf[sbp.next_tb_sample++]; + u64 *p = sbp.sbprof_tbbuf[sbp.next_tb_sample++]; /* Read out trace */ __raw_writeq(M_SCD_TRACE_CFG_START_READ, IOADDR(A_SCD_TRACE_CFG)); __asm__ __volatile__ ("sync" : : : "memory"); /* Loop runs backwards because bundles are read out in reverse order */ for (i = 256 * 6; i > 0; i -= 6) { - // Subscripts decrease to put bundle in the order - // t0 lo, t0 hi, t1 lo, t1 hi, t2 lo, t2 hi + /* Subscripts decrease to put bundle in the order */ + /* t0 lo, t0 hi, t1 lo, t1 hi, t2 lo, t2 hi */ p[i - 1] = __raw_readq(IOADDR(A_SCD_TRACE_READ)); - // read t2 hi + /* read t2 hi */ p[i - 2] = __raw_readq(IOADDR(A_SCD_TRACE_READ)); - // read t2 lo + /* read t2 lo */ p[i - 3] = __raw_readq(IOADDR(A_SCD_TRACE_READ)); - // read t1 hi + /* read t1 hi */ p[i - 4] = __raw_readq(IOADDR(A_SCD_TRACE_READ)); - // read t1 lo + /* read t1 lo */ p[i - 5] = __raw_readq(IOADDR(A_SCD_TRACE_READ)); - // read t0 hi + /* read t0 hi */ p[i - 6] = __raw_readq(IOADDR(A_SCD_TRACE_READ)); - // read t0 lo + /* read t0 lo */ } if (!sbp.tb_enable) { - DBG(printk(DEVNAME ": tb_intr shutdown\n")); + pr_debug(DEVNAME ": tb_intr shutdown\n"); __raw_writeq(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG)); sbp.tb_armed = 0; wake_up(&sbp.tb_sync); } else { - arm_tb(); // knock down current interrupt and get another one later + arm_tb(); /* knock down current interrupt and get another one later */ } } else { /* No more trace buffer samples */ - DBG(printk(DEVNAME ": tb_intr full\n")); + pr_debug(DEVNAME ": tb_intr full\n"); __raw_writeq(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG)); sbp.tb_armed = 0; if (!sbp.tb_enable) { @@ -135,6 +221,7 @@ static irqreturn_t sbprof_tb_intr(int irq, void *dev_id) } wake_up(&sbp.tb_read); } + return IRQ_HANDLED; } @@ -144,23 +231,30 @@ static irqreturn_t sbprof_pc_intr(int irq, void *dev_id) return IRQ_NONE; } -int sbprof_zbprof_start(struct file *filp) +/* + * Requires: Already called zclk_timer_init with a value that won't + * saturate 40 bits. No subsequent use of SCD performance counters + * or trace buffer. + */ + +static int sbprof_zbprof_start(struct file *filp) { - u_int64_t scdperfcnt; + u64 scdperfcnt; + int err; - if (sbp.tb_enable) + if (xchg(&sbp.tb_enable, 1)) return -EBUSY; - DBG(printk(DEVNAME ": starting\n")); + pr_debug(DEVNAME ": starting\n"); - sbp.tb_enable = 1; sbp.next_tb_sample = 0; filp->f_pos = 0; - if (request_irq - (K_INT_TRACE_FREEZE, sbprof_tb_intr, 0, DEVNAME " trace freeze", &sbp)) { + err = request_irq(K_INT_TRACE_FREEZE, sbprof_tb_intr, 0, + DEVNAME " trace freeze", &sbp); + if (err) return -EBUSY; - } + /* Make sure there isn't a perf-cnt interrupt waiting */ scdperfcnt = __raw_readq(IOADDR(A_SCD_PERF_CNT_CFG)); /* Disable and clear counters, override SRC_1 */ @@ -168,18 +262,21 @@ int sbprof_zbprof_start(struct file *filp) M_SPC_CFG_ENABLE | M_SPC_CFG_CLEAR | V_SPC_CFG_SRC1(1), IOADDR(A_SCD_PERF_CNT_CFG)); - /* We grab this interrupt to prevent others from trying to use - it, even though we don't want to service the interrupts - (they only feed into the trace-on-interrupt mechanism) */ - if (request_irq - (K_INT_PERF_CNT, sbprof_pc_intr, 0, DEVNAME " scd perfcnt", &sbp)) { - free_irq(K_INT_TRACE_FREEZE, &sbp); - return -EBUSY; - } - - /* I need the core to mask these, but the interrupt mapper to - pass them through. I am exploiting my knowledge that - cp0_status masks out IP[5]. krw */ + /* + * We grab this interrupt to prevent others from trying to use it, even + * though we don't want to service the interrupts (they only feed into + * the trace-on-interrupt mechanism) + */ + err = request_irq(K_INT_PERF_CNT, sbprof_pc_intr, 0, + DEVNAME " scd perfcnt", &sbp); + if (err) + goto out_free_irq; + + /* + * I need the core to mask these, but the interrupt mapper to pass them + * through. I am exploiting my knowledge that cp0_status masks out + * IP[5]. krw + */ __raw_writeq(K_INT_MAP_I3, IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) + (K_INT_PERF_CNT << 3))); @@ -201,7 +298,7 @@ int sbprof_zbprof_start(struct file *filp) __raw_writeq(0, IOADDR(A_ADDR_TRAP_CFG_3)); /* Initialize Trace Event 0-7 */ - // when interrupt + /* when interrupt */ __raw_writeq(M_SCD_TREVT_INTERRUPT, IOADDR(A_SCD_TRACE_EVENT_0)); __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_1)); __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_2)); @@ -212,10 +309,10 @@ int sbprof_zbprof_start(struct file *filp) __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_7)); /* Initialize Trace Sequence 0-7 */ - // Start on event 0 (interrupt) + /* Start on event 0 (interrupt) */ __raw_writeq(V_SCD_TRSEQ_FUNC_START | 0x0fff, IOADDR(A_SCD_TRACE_SEQUENCE_0)); - // dsamp when d used | asamp when a used + /* dsamp when d used | asamp when a used */ __raw_writeq(M_SCD_TRSEQ_ASAMPLE | M_SCD_TRSEQ_DSAMPLE | K_SCD_TRSEQ_TRIGGER_ALL, IOADDR(A_SCD_TRACE_SEQUENCE_1)); @@ -232,33 +329,41 @@ int sbprof_zbprof_start(struct file *filp) arm_tb(); - DBG(printk(DEVNAME ": done starting\n")); + pr_debug(DEVNAME ": done starting\n"); return 0; + +out_free_irq: + free_irq(K_INT_TRACE_FREEZE, &sbp); + + return err; } -int sbprof_zbprof_stop(void) +static int sbprof_zbprof_stop(void) { - DEFINE_WAIT(wait); - DBG(printk(DEVNAME ": stopping\n")); + int err; + + pr_debug(DEVNAME ": stopping\n"); if (sbp.tb_enable) { + /* + * XXXKW there is a window here where the intr handler may run, + * see the disable, and do the wake_up before this sleep + * happens. + */ + pr_debug(DEVNAME ": wait for disarm\n"); + err = wait_event_interruptible(sbp.tb_sync, !sbp.tb_armed); + pr_debug(DEVNAME ": disarm complete, stat %d\n", err); + + if (err) + return err; + sbp.tb_enable = 0; - /* XXXKW there is a window here where the intr handler - may run, see the disable, and do the wake_up before - this sleep happens. */ - if (sbp.tb_armed) { - DBG(printk(DEVNAME ": wait for disarm\n")); - prepare_to_wait(&sbp.tb_sync, &wait, TASK_INTERRUPTIBLE); - schedule(); - finish_wait(&sbp.tb_sync, &wait); - DBG(printk(DEVNAME ": disarm complete\n")); - } free_irq(K_INT_TRACE_FREEZE, &sbp); free_irq(K_INT_PERF_CNT, &sbp); } - DBG(printk(DEVNAME ": done stopping\n")); + pr_debug(DEVNAME ": done stopping\n"); return 0; } @@ -268,42 +373,45 @@ static int sbprof_tb_open(struct inode *inode, struct file *filp) int minor; minor = iminor(inode); - if (minor != 0) { + if (minor != 0) return -ENODEV; - } - if (sbp.open) { + + if (xchg(&sbp.open, SB_OPENING) != SB_CLOSED) return -EBUSY; - } memset(&sbp, 0, sizeof(struct sbprof_tb)); + sbp.sbprof_tbbuf = vmalloc(MAX_TBSAMPLE_BYTES); - if (!sbp.sbprof_tbbuf) { + if (!sbp.sbprof_tbbuf) return -ENOMEM; - } + memset(sbp.sbprof_tbbuf, 0, MAX_TBSAMPLE_BYTES); init_waitqueue_head(&sbp.tb_sync); init_waitqueue_head(&sbp.tb_read); - sbp.open = 1; + mutex_init(&sbp.lock); + + sbp.open = SB_OPEN; return 0; } static int sbprof_tb_release(struct inode *inode, struct file *filp) { - int minor; + int minor = iminor(inode); - minor = iminor(inode); - if (minor != 0 || !sbp.open) { + if (minor != 0 || !sbp.open) return -ENODEV; - } - if (sbp.tb_armed || sbp.tb_enable) { + mutex_lock(&sbp.lock); + + if (sbp.tb_armed || sbp.tb_enable) sbprof_zbprof_stop(); - } vfree(sbp.sbprof_tbbuf); sbp.open = 0; + mutex_unlock(&sbp.lock); + return 0; } @@ -311,21 +419,35 @@ static ssize_t sbprof_tb_read(struct file *filp, char *buf, size_t size, loff_t *offp) { int cur_sample, sample_off, cur_count, sample_left; - char *src; - int count = 0; - char *dest = buf; long cur_off = *offp; + char *dest = buf; + int count = 0; + char *src; + + if (!access_ok(VERIFY_WRITE, buf, size)) + return -EFAULT; + + mutex_lock(&sbp.lock); count = 0; cur_sample = cur_off / TB_SAMPLE_SIZE; sample_off = cur_off % TB_SAMPLE_SIZE; sample_left = TB_SAMPLE_SIZE - sample_off; + while (size && (cur_sample < sbp.next_tb_sample)) { + int err; + cur_count = size < sample_left ? size : sample_left; src = (char *)(((long)sbp.sbprof_tbbuf[cur_sample])+sample_off); - copy_to_user(dest, src, cur_count); - DBG(printk(DEVNAME ": read from sample %d, %d bytes\n", - cur_sample, cur_count)); + err = __copy_to_user(dest, src, cur_count); + if (err) { + *offp = cur_off + cur_count - err; + mutex_unlock(&sbp.lock); + return err; + } + + pr_debug(DEVNAME ": read from sample %d, %d bytes\n", + cur_sample, cur_count); size -= cur_count; sample_left -= cur_count; if (!sample_left) { @@ -339,37 +461,43 @@ static ssize_t sbprof_tb_read(struct file *filp, char *buf, dest += cur_count; count += cur_count; } + *offp = cur_off; + mutex_unlock(&sbp.lock); return count; } -static long sbprof_tb_ioctl(struct file *filp, - unsigned int command, - unsigned long arg) +static long sbprof_tb_ioctl(struct file *filp, unsigned int command, + unsigned long arg) { int error = 0; - lock_kernel(); switch (command) { case SBPROF_ZBSTART: + mutex_lock(&sbp.lock); error = sbprof_zbprof_start(filp); + mutex_unlock(&sbp.lock); break; + case SBPROF_ZBSTOP: + mutex_lock(&sbp.lock); error = sbprof_zbprof_stop(); + mutex_unlock(&sbp.lock); break; + case SBPROF_ZBWAITFULL: - DEFINE_WAIT(wait); - prepare_to_wait(&sbp.tb_read, &wait, TASK_INTERRUPTIBLE); - schedule(); - finish_wait(&sbp.tb_read, &wait); - /* XXXKW check if interrupted? */ - return put_user(TB_FULL, (int *) arg); + error = wait_event_interruptible(sbp.tb_read, TB_FULL); + if (error) + break; + + error = put_user(TB_FULL, (int *) arg); + break; + default: error = -EINVAL; break; } - unlock_kernel(); return error; } @@ -384,23 +512,60 @@ static const struct file_operations sbprof_tb_fops = { .mmap = NULL, }; +static struct class *tb_class; +static struct device *tb_dev; + static int __init sbprof_tb_init(void) { + struct device *dev; + struct class *tbc; + int err; + if (register_chrdev(SBPROF_TB_MAJOR, DEVNAME, &sbprof_tb_fops)) { printk(KERN_WARNING DEVNAME ": initialization failed (dev %d)\n", SBPROF_TB_MAJOR); return -EIO; } + + tbc = class_create(THIS_MODULE, "sb_tracebuffer"); + if (IS_ERR(tbc)) { + err = PTR_ERR(tbc); + goto out_chrdev; + } + + tb_class = tbc; + + dev = device_create(tbc, NULL, MKDEV(SBPROF_TB_MAJOR, 0), "tb"); + if (IS_ERR(dev)) { + err = PTR_ERR(dev); + goto out_class; + } + tb_dev = dev; + sbp.open = 0; tb_period = zbbus_mhz * 10000LL; - printk(KERN_INFO DEVNAME ": initialized - tb_period = %lld\n", tb_period); + pr_info(DEVNAME ": initialized - tb_period = %lld\n", tb_period); + return 0; + +out_class: + class_destroy(tb_class); +out_chrdev: + unregister_chrdev(SBPROF_TB_MAJOR, DEVNAME); + + return err; } static void __exit sbprof_tb_cleanup(void) { + device_destroy(tb_class, MKDEV(SBPROF_TB_MAJOR, 0)); unregister_chrdev(SBPROF_TB_MAJOR, DEVNAME); + class_destroy(tb_class); } module_init(sbprof_tb_init); module_exit(sbprof_tb_cleanup); + +MODULE_ALIAS_CHARDEV_MAJOR(SBPROF_TB_MAJOR); +MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); +MODULE_LICENSE("GPL"); diff --git a/arch/mips/sibyte/sb1250/setup.c b/arch/mips/sibyte/sb1250/setup.c index d0ee1d5b822..87188f0f6fb 100644 --- a/arch/mips/sibyte/sb1250/setup.c +++ b/arch/mips/sibyte/sb1250/setup.c @@ -16,6 +16,7 @@ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <linux/init.h> +#include <linux/module.h> #include <linux/kernel.h> #include <linux/reboot.h> #include <linux/string.h> @@ -32,6 +33,7 @@ unsigned int soc_pass; unsigned int soc_type; unsigned int periph_rev; unsigned int zbbus_mhz; +EXPORT_SYMBOL(zbbus_mhz); static char *soc_str; static char *pass_str; @@ -67,7 +69,7 @@ static int __init sys_rev_decode(void) ret = setup_bcm112x(); break; default: - prom_printf("Unknown SOC type %x\n", soc_type); + printk("Unknown SOC type %x\n", soc_type); ret = 1; break; } @@ -112,7 +114,7 @@ static int __init setup_bcm1250(void) pass_str = "A0-A6"; war_pass = K_SYS_REVISION_BCM1250_PASS2; } else { - prom_printf("Unknown BCM1250 rev %x\n", soc_pass); + printk("Unknown BCM1250 rev %x\n", soc_pass); ret = 1; } break; @@ -140,7 +142,7 @@ static int __init setup_bcm112x(void) pass_str = "A2"; break; default: - prom_printf("Unknown %s rev %x\n", soc_str, soc_pass); + printk("Unknown %s rev %x\n", soc_str, soc_pass); ret = 1; } return ret; @@ -158,21 +160,21 @@ void __init sb1250_setup(void) soc_pass = G_SYS_REVISION(sys_rev); if (sys_rev_decode()) { - prom_printf("Restart after failure to identify SiByte chip\n"); + printk("Restart after failure to identify SiByte chip\n"); machine_restart(NULL); } plldiv = G_SYS_PLL_DIV(__raw_readq(IOADDR(A_SCD_SYSTEM_CFG))); zbbus_mhz = ((plldiv >> 1) * 50) + ((plldiv & 1) * 25); - prom_printf("Broadcom SiByte %s %s @ %d MHz (SB1 rev %d)\n", + printk("Broadcom SiByte %s %s @ %d MHz (SB1 rev %d)\n", soc_str, pass_str, zbbus_mhz * 2, sb1_pass); - prom_printf("Board type: %s\n", get_system_type()); + printk("Board type: %s\n", get_system_type()); switch (war_pass) { case K_SYS_REVISION_BCM1250_PASS1: #ifndef CONFIG_SB1_PASS_1_WORKAROUNDS - prom_printf("@@@@ This is a BCM1250 A0-A2 (Pass 1) board, " + printk("@@@@ This is a BCM1250 A0-A2 (Pass 1) board, " "and the kernel doesn't have the proper " "workarounds compiled in. @@@@\n"); bad_config = 1; @@ -182,27 +184,27 @@ void __init sb1250_setup(void) /* Pass 2 - easiest as default for now - so many numbers */ #if !defined(CONFIG_SB1_PASS_2_WORKAROUNDS) || \ !defined(CONFIG_SB1_PASS_2_1_WORKAROUNDS) - prom_printf("@@@@ This is a BCM1250 A3-A10 board, and the " + printk("@@@@ This is a BCM1250 A3-A10 board, and the " "kernel doesn't have the proper workarounds " "compiled in. @@@@\n"); bad_config = 1; #endif #ifdef CONFIG_CPU_HAS_PREFETCH - prom_printf("@@@@ Prefetches may be enabled in this kernel, " + printk("@@@@ Prefetches may be enabled in this kernel, " "but are buggy on this board. @@@@\n"); bad_config = 1; #endif break; case K_SYS_REVISION_BCM1250_PASS2_2: #ifndef CONFIG_SB1_PASS_2_WORKAROUNDS - prom_printf("@@@@ This is a BCM1250 B1/B2. board, and the " + printk("@@@@ This is a BCM1250 B1/B2. board, and the " "kernel doesn't have the proper workarounds " "compiled in. @@@@\n"); bad_config = 1; #endif #if defined(CONFIG_SB1_PASS_2_1_WORKAROUNDS) || \ !defined(CONFIG_CPU_HAS_PREFETCH) - prom_printf("@@@@ This is a BCM1250 B1/B2, but the kernel is " + printk("@@@@ This is a BCM1250 B1/B2, but the kernel is " "conservatively configured for an 'A' stepping. " "@@@@\n"); #endif @@ -211,7 +213,7 @@ void __init sb1250_setup(void) break; } if (bad_config) { - prom_printf("Invalid configuration for this chip.\n"); + printk("Invalid configuration for this chip.\n"); machine_restart(NULL); } } diff --git a/arch/mips/sni/Makefile b/arch/mips/sni/Makefile index e30809a9215..e5777b7e2bc 100644 --- a/arch/mips/sni/Makefile +++ b/arch/mips/sni/Makefile @@ -4,5 +4,3 @@ obj-y += irq.o reset.o setup.o ds1216.o a20r.o rm200.o pcimt.o pcit.o time.o obj-$(CONFIG_CPU_BIG_ENDIAN) += sniprom.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/sni/pcimt.c b/arch/mips/sni/pcimt.c index 6c0dad7cbf4..39e5b4abc55 100644 --- a/arch/mips/sni/pcimt.c +++ b/arch/mips/sni/pcimt.c @@ -336,9 +336,9 @@ static void sni_pcimt_hwint(void) u32 pending = (read_c0_cause() & read_c0_status()); if (pending & C_IRQ5) - do_IRQ (SNI_MIPS_IRQ_CPU_BASE + 7); + do_IRQ (MIPS_CPU_IRQ_BASE + 7); else if (pending & C_IRQ4) - do_IRQ (SNI_MIPS_IRQ_CPU_BASE + 6); + do_IRQ (MIPS_CPU_IRQ_BASE + 6); else if (pending & C_IRQ3) pcimt_hwint3(); else if (pending & C_IRQ1) diff --git a/arch/mips/sni/pcit.c b/arch/mips/sni/pcit.c index 3921096023c..8d6b3d5b13a 100644 --- a/arch/mips/sni/pcit.c +++ b/arch/mips/sni/pcit.c @@ -276,11 +276,11 @@ static void sni_pcit_hwint(void) if (pending & C_IRQ1) pcit_hwint1(); else if (pending & C_IRQ2) - do_IRQ (SNI_MIPS_IRQ_CPU_BASE + 4); + do_IRQ (MIPS_CPU_IRQ_BASE + 4); else if (pending & C_IRQ3) - do_IRQ (SNI_MIPS_IRQ_CPU_BASE + 5); + do_IRQ (MIPS_CPU_IRQ_BASE + 5); else if (pending & C_IRQ5) - do_IRQ (SNI_MIPS_IRQ_CPU_BASE + 7); + do_IRQ (MIPS_CPU_IRQ_BASE + 7); } static void sni_pcit_hwint_cplus(void) @@ -290,11 +290,11 @@ static void sni_pcit_hwint_cplus(void) if (pending & C_IRQ0) pcit_hwint0(); else if (pending & C_IRQ2) - do_IRQ (SNI_MIPS_IRQ_CPU_BASE + 4); + do_IRQ (MIPS_CPU_IRQ_BASE + 4); else if (pending & C_IRQ3) - do_IRQ (SNI_MIPS_IRQ_CPU_BASE + 5); + do_IRQ (MIPS_CPU_IRQ_BASE + 5); else if (pending & C_IRQ5) - do_IRQ (SNI_MIPS_IRQ_CPU_BASE + 7); + do_IRQ (MIPS_CPU_IRQ_BASE + 7); } void __init sni_pcit_irq_init(void) diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c index 517dc698c08..b82ff129f5e 100644 --- a/arch/mips/sni/rm200.c +++ b/arch/mips/sni/rm200.c @@ -148,7 +148,7 @@ static void sni_rm200_hwint(void) int irq; if (pending & C_IRQ5) - do_IRQ (SNI_MIPS_IRQ_CPU_BASE + 7); + do_IRQ (MIPS_CPU_IRQ_BASE + 7); else if (pending & C_IRQ0) { clear_c0_status (IE_IRQ0); mask = *(volatile u8 *)SNI_RM200_INT_ENA_REG ^ 0x1f; diff --git a/arch/mips/sni/sniprom.c b/arch/mips/sni/sniprom.c index 6a44bbf0b73..643366eb854 100644 --- a/arch/mips/sni/sniprom.c +++ b/arch/mips/sni/sniprom.c @@ -9,6 +9,8 @@ * Copyright (C) 2005-2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de) */ +#define DEBUG + #include <linux/kernel.h> #include <linux/init.h> #include <linux/string.h> @@ -32,14 +34,13 @@ #define PROM_ENTRY(x) (PROM_VEC + (x)) -#define DEBUG -#ifdef DEBUG -#define DBG_PRINTF(x...) prom_printf(x) -#else -#define DBG_PRINTF(x...) -#endif - static int *(*__prom_putchar)(int) = (int *(*)(int))PROM_ENTRY(PROM_PUTCHAR); + +void prom_putchar(char c) +{ + __prom_putchar(c); +} + static char *(*__prom_getenv)(char *) = (char *(*)(char *))PROM_ENTRY(PROM_GETENV); static void (*__prom_get_memconf)(void *) = (void (*)(void *))PROM_ENTRY(PROM_GET_MEMCONF); @@ -48,26 +49,6 @@ char *prom_getenv (char *s) return __prom_getenv(s); } -void prom_printf(char *fmt, ...) -{ - va_list args; - char ppbuf[1024]; - char *bptr; - - va_start(args, fmt); - vsprintf(ppbuf, fmt, args); - - bptr = ppbuf; - - while (*bptr != 0) { - if (*bptr == '\n') - __prom_putchar('\r'); - - __prom_putchar(*bptr++); - } - va_end(args); -} - void __init prom_free_prom_memory(void) { } @@ -94,15 +75,15 @@ static void sni_idprom_dump(void) { int i; - prom_printf("SNI IDProm dump:\n"); + pr_debug("SNI IDProm dump:\n"); for (i = 0; i < 256; i++) { if (i%16 == 0) - prom_printf("%04x ", i); + pr_debug("%04x ", i); - prom_printf("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i)); + printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i)); if (i % 16 == 15) - prom_printf("\n"); + printk("\n"); } } #endif @@ -121,12 +102,12 @@ static void sni_mem_init(void ) /* MemSIZE from prom in 16MByte chunks */ memsize = *((unsigned char *) SNI_IDPROM_MEMSIZE) * 16; - DBG_PRINTF("IDProm memsize: %lu MByte\n", memsize); + pr_debug("IDProm memsize: %lu MByte\n", memsize); /* get memory bank layout from prom */ __prom_get_memconf(&memconf); - DBG_PRINTF("prom_get_mem_conf memory configuration:\n"); + pr_debug("prom_get_mem_conf memory configuration:\n"); for (i = 0;i < 8 && memconf[i].size; i++) { if (sni_brd_type == SNI_BRD_PCI_TOWER || sni_brd_type == SNI_BRD_PCI_TOWER_CPLUS) { @@ -135,7 +116,7 @@ static void sni_mem_init(void ) memconf[i].base -= 0x20000000; } } - DBG_PRINTF("Bank%d: %08x @ %08x\n", i, + pr_debug("Bank%d: %08x @ %08x\n", i, memconf[i].size, memconf[i].base); add_memory_region(memconf[i].base, memconf[i].size, BOOT_MEM_RAM); } @@ -248,7 +229,7 @@ void __init prom_init(void) systype = "RM300-Exx"; break; } - DBG_PRINTF("Found SNI brdtype %02x name %s\n", sni_brd_type,systype); + pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type,systype); #ifdef DEBUG sni_idprom_dump(); diff --git a/arch/mips/tx4927/common/tx4927_setup.c b/arch/mips/tx4927/common/tx4927_setup.c index 941c441729b..c8e49feb345 100644 --- a/arch/mips/tx4927/common/tx4927_setup.c +++ b/arch/mips/tx4927/common/tx4927_setup.c @@ -81,18 +81,8 @@ void __init tx4927_time_init(void) void __init plat_timer_setup(struct irqaction *irq) { - u32 count; - u32 c1; - u32 c2; - setup_irq(TX4927_IRQ_CPU_TIMER, irq); - /* to generate the first timer interrupt */ - c1 = read_c0_count(); - count = c1 + (mips_hpt_frequency / HZ); - write_c0_compare(count); - c2 = read_c0_count(); - #ifdef CONFIG_TOSHIBA_RBTX4927 { extern void toshiba_rbtx4927_timer_setup(struct irqaction diff --git a/arch/mips/tx4927/toshiba_rbtx4927/Makefile b/arch/mips/tx4927/toshiba_rbtx4927/Makefile index c1a377a80a5..8a991f3c1a6 100644 --- a/arch/mips/tx4927/toshiba_rbtx4927/Makefile +++ b/arch/mips/tx4927/toshiba_rbtx4927/Makefile @@ -1,5 +1,3 @@ obj-y += toshiba_rbtx4927_prom.o obj-y += toshiba_rbtx4927_setup.o obj-y += toshiba_rbtx4927_irq.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c index dcce88f403c..5cc30c10e74 100644 --- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c +++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c @@ -132,9 +132,6 @@ JP7 is not bus master -- do NOT use -- only 4 pci bus master's allowed -- SouthB #include <asm/wbflush.h> #include <linux/bootmem.h> #include <linux/blkdev.h> -#ifdef CONFIG_RTC_DS1742 -#include <linux/ds1742rtc.h> -#endif #ifdef CONFIG_TOSHIBA_FPCIB0 #include <asm/tx4927/smsc_fdc37m81x.h> #endif diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c index 7316a78fdd6..0f7576dfd14 100644 --- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c +++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c @@ -53,6 +53,7 @@ #include <linux/pci.h> #include <linux/timex.h> #include <linux/pm.h> +#include <linux/platform_device.h> #include <asm/bootinfo.h> #include <asm/page.h> @@ -64,9 +65,6 @@ #include <asm/time.h> #include <linux/bootmem.h> #include <linux/blkdev.h> -#ifdef CONFIG_RTC_DS1742 -#include <linux/ds1742rtc.h> -#endif #ifdef CONFIG_TOSHIBA_FPCIB0 #include <asm/tx4927/smsc_fdc37m81x.h> #endif @@ -1020,69 +1018,12 @@ void __init toshiba_rbtx4927_setup(void) "+\n"); } -#ifdef CONFIG_RTC_DS1742 -extern unsigned long rtc_ds1742_get_time(void); -extern int rtc_ds1742_set_time(unsigned long); -extern void rtc_ds1742_wait(void); -#endif - void __init toshiba_rbtx4927_time_init(void) { - u32 c1; - u32 c2; - TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, "-\n"); -#ifdef CONFIG_RTC_DS1742 - - rtc_mips_get_time = rtc_ds1742_get_time; - rtc_mips_set_time = rtc_ds1742_set_time; - - TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, - ":rtc_ds1742_init()-\n"); - rtc_ds1742_init(0xbc010000); - TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, - ":rtc_ds1742_init()+\n"); - - TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, - ":Calibrate mips_hpt_frequency-\n"); - rtc_ds1742_wait(); - - /* get the count */ - c1 = read_c0_count(); - - /* wait for the seconds to change again */ - rtc_ds1742_wait(); - - /* get the count again */ - c2 = read_c0_count(); - - TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, - ":Calibrate mips_hpt_frequency+\n"); - TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, - ":c1=%12u\n", c1); - TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, - ":c2=%12u\n", c2); - - /* this diff is as close as we are going to get to counter ticks per sec */ - mips_hpt_frequency = abs(c2 - c1); - TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, - ":f1=%12u\n", mips_hpt_frequency); - - /* round to 1/10th of a MHz */ - mips_hpt_frequency /= (100 * 1000); - mips_hpt_frequency *= (100 * 1000); - TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, - ":f2=%12u\n", mips_hpt_frequency); - - TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_INFO, - ":mips_hpt_frequency=%uHz (%uMHz)\n", - mips_hpt_frequency, - mips_hpt_frequency / 1000000); -#else - mips_hpt_frequency = 100000000; -#endif + mips_hpt_frequency = tx4927_cpu_clock / 2; TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, "+\n"); @@ -1095,3 +1036,16 @@ void __init toshiba_rbtx4927_timer_setup(struct irqaction *irq) TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIMER_SETUP, "+\n"); } + +static int __init toshiba_rbtx4927_rtc_init(void) +{ + struct resource res = { + .start = 0x1c010000, + .end = 0x1c010000 + 0x800 - 1, + .flags = IORESOURCE_MEM, + }; + struct platform_device *dev = + platform_device_register_simple("ds1742", -1, &res, 1); + return IS_ERR(dev) ? PTR_ERR(dev) : 0; +} +device_initcall(toshiba_rbtx4927_rtc_init); diff --git a/arch/mips/tx4938/common/setup.c b/arch/mips/tx4938/common/setup.c index dc87d92bb08..142abf453e4 100644 --- a/arch/mips/tx4938/common/setup.c +++ b/arch/mips/tx4938/common/setup.c @@ -55,14 +55,5 @@ tx4938_time_init(void) void __init plat_timer_setup(struct irqaction *irq) { - u32 count; - u32 c1; - u32 c2; - setup_irq(TX4938_IRQ_CPU_TIMER, irq); - - c1 = read_c0_count(); - count = c1 + (mips_hpt_frequency / HZ); - write_c0_compare(count); - c2 = read_c0_count(); } diff --git a/arch/mips/vr41xx/common/Makefile b/arch/mips/vr41xx/common/Makefile index 975d5caf9d1..f842783acd8 100644 --- a/arch/mips/vr41xx/common/Makefile +++ b/arch/mips/vr41xx/common/Makefile @@ -3,5 +3,3 @@ # obj-y += bcu.o cmu.o icu.o init.o irq.o pmu.o type.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 28da4e71c44..3d73545e8c4 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -37,6 +37,11 @@ config GENERIC_FIND_NEXT_BIT bool default y +config GENERIC_BUG + bool + default y + depends on BUG + config GENERIC_HWEIGHT bool default y @@ -45,6 +50,10 @@ config GENERIC_CALIBRATE_DELAY bool default y +config GENERIC_TIME + bool + default y + config TIME_LOW_RES bool depends on SMP diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index 9b7e42490dd..760567a9ba1 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -35,12 +35,8 @@ FINAL_LD=$(CROSS_COMPILE)ld --warn-common --warn-section-align OBJCOPY_FLAGS =-O binary -R .note -R .comment -S -GCC_VERSION := $(call cc-version) -ifneq ($(shell if [ -z $(GCC_VERSION) ] ; then echo "bad"; fi ;),) -$(error Sorry, couldn't find ($(cc-version)).) -endif -ifneq ($(shell if [ $(GCC_VERSION) -lt 0303 ] ; then echo "bad"; fi ;),) -$(error Sorry, your compiler is too old ($(GCC_VERSION)). GCC v3.3 or above is required.) +ifneq ($(call cc-ifversion, -lt, 0303, "bad"),) +$(error Sorry, GCC v3.3 or above is required.) endif cflags-y := -pipe diff --git a/arch/parisc/hpux/entry_hpux.S b/arch/parisc/hpux/entry_hpux.S index 31c8cccfba3..d15a413572f 100644 --- a/arch/parisc/hpux/entry_hpux.S +++ b/arch/parisc/hpux/entry_hpux.S @@ -18,17 +18,16 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <asm/unistd.h> +#include <asm/assembly.h> #include <linux/sys.h> #include <linux/linkage.h> -#include <asm/unistd.h> -#define ENTRY_NAME(_name_) .word _name_ +#define ENTRY_NAME(_name_) ASM_ULONG_INSN _name_ .section .rodata,"a" - .align 4 - .export hpux_call_table .import hpux_unimplemented_wrapper -hpux_call_table: +ENTRY(hpux_call_table) ENTRY_NAME(sys_ni_syscall) /* 0 */ ENTRY_NAME(sys_exit) ENTRY_NAME(hpux_fork_wrapper) @@ -542,5 +541,6 @@ hpux_call_table: ENTRY_NAME(hpux_unimplemented_wrapper) /* 510 */ ENTRY_NAME(hpux_unimplemented_wrapper) ENTRY_NAME(hpux_unimplemented_wrapper) +END(hpux_call_table) .end diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c index 4204cd1f3cf..c7a81a2c014 100644 --- a/arch/parisc/hpux/fs.c +++ b/arch/parisc/hpux/fs.c @@ -35,13 +35,13 @@ int hpux_execve(struct pt_regs *regs) int error; char *filename; - filename = getname((char *) regs->gr[26]); + filename = getname((char __user *) regs->gr[26]); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, (char **) regs->gr[25], - (char **)regs->gr[24], regs); + error = do_execve(filename, (char __user * __user *) regs->gr[25], + (char __user * __user *) regs->gr[24], regs); if (error == 0) { task_lock(current); @@ -63,19 +63,19 @@ struct hpux_dirent { }; struct getdents_callback { - struct hpux_dirent *current_dir; - struct hpux_dirent *previous; + struct hpux_dirent __user *current_dir; + struct hpux_dirent __user *previous; int count; int error; }; -#define NAME_OFFSET(de) ((int) ((de)->d_name - (char *) (de))) +#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de))) #define ROUND_UP(x) (((x)+sizeof(long)-1) & ~(sizeof(long)-1)) static int filldir(void * __buf, const char * name, int namlen, loff_t offset, u64 ino, unsigned d_type) { - struct hpux_dirent * dirent; + struct hpux_dirent __user * dirent; struct getdents_callback * buf = (struct getdents_callback *) __buf; ino_t d_ino; int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1); @@ -105,10 +105,10 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset, #undef NAME_OFFSET #undef ROUND_UP -int hpux_getdents(unsigned int fd, struct hpux_dirent *dirent, unsigned int count) +int hpux_getdents(unsigned int fd, struct hpux_dirent __user *dirent, unsigned int count) { struct file * file; - struct hpux_dirent * lastdirent; + struct hpux_dirent __user * lastdirent; struct getdents_callback buf; int error = -EBADF; @@ -143,7 +143,7 @@ int hpux_mount(const char *fs, const char *path, int mflag, return -ENOSYS; } -static int cp_hpux_stat(struct kstat *stat, struct hpux_stat64 *statbuf) +static int cp_hpux_stat(struct kstat *stat, struct hpux_stat64 __user *statbuf) { struct hpux_stat64 tmp; @@ -169,7 +169,7 @@ static int cp_hpux_stat(struct kstat *stat, struct hpux_stat64 *statbuf) return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0; } -long hpux_stat64(char *filename, struct hpux_stat64 *statbuf) +long hpux_stat64(char __user *filename, struct hpux_stat64 __user *statbuf) { struct kstat stat; int error = vfs_stat(filename, &stat); @@ -180,7 +180,7 @@ long hpux_stat64(char *filename, struct hpux_stat64 *statbuf) return error; } -long hpux_fstat64(unsigned int fd, struct hpux_stat64 *statbuf) +long hpux_fstat64(unsigned int fd, struct hpux_stat64 __user *statbuf) { struct kstat stat; int error = vfs_fstat(fd, &stat); @@ -191,7 +191,7 @@ long hpux_fstat64(unsigned int fd, struct hpux_stat64 *statbuf) return error; } -long hpux_lstat64(char *filename, struct hpux_stat64 *statbuf) +long hpux_lstat64(char __user *filename, struct hpux_stat64 __user *statbuf) { struct kstat stat; int error = vfs_lstat(filename, &stat); diff --git a/arch/parisc/hpux/gate.S b/arch/parisc/hpux/gate.S index aaaf3306c05..0b9d5b1e4b3 100644 --- a/arch/parisc/hpux/gate.S +++ b/arch/parisc/hpux/gate.S @@ -12,27 +12,18 @@ #include <asm/asm-offsets.h> #include <asm/unistd.h> #include <asm/errno.h> +#include <linux/linkage.h> -#ifdef __LP64__ - .level 2.0w -#else - .level 1.1 -#endif + .level LEVEL .text -#ifdef __LP64__ -#define FRAME_SIZE 128 -#else -#define FRAME_SIZE 64 -#endif .import hpux_call_table .import hpux_syscall_exit,code - .export hpux_gateway_page .align 4096 -hpux_gateway_page: +ENTRY(hpux_gateway_page) nop -#ifdef __LP64__ +#ifdef CONFIG_64BIT #warning NEEDS WORK for 64-bit #endif ldw -64(%r30), %r29 ;! 8th argument @@ -101,7 +92,7 @@ hpux_gateway_page: ldo R%hpux_call_table(%r21), %r21 comiclr,>>= __NR_HPUX_syscalls, %r22, %r0 b,n syscall_nosys - ldwx,s %r22(%r21), %r21 + LDREGX %r22(%r21), %r21 ldil L%hpux_syscall_exit,%r2 be 0(%sr7,%r21) ldo R%hpux_syscall_exit(%r2),%r2 @@ -110,7 +101,7 @@ syscall_nosys: ldil L%hpux_syscall_exit,%r1 be R%hpux_syscall_exit(%sr7,%r1) ldo -ENOSYS(%r0),%r28 +ENDPROC(hpux_gateway_page) .align 4096 - .export end_hpux_gateway_page -end_hpux_gateway_page: +ENTRY(end_hpux_gateway_page) diff --git a/arch/parisc/hpux/sys_hpux.c b/arch/parisc/hpux/sys_hpux.c index 04c2ff44439..3e025df2dc8 100644 --- a/arch/parisc/hpux/sys_hpux.c +++ b/arch/parisc/hpux/sys_hpux.c @@ -61,7 +61,7 @@ int hpux_ptrace(void) return -ENOSYS; } -int hpux_wait(int *stat_loc) +int hpux_wait(int __user *stat_loc) { return sys_waitpid(-1, stat_loc, 0); } @@ -255,7 +255,7 @@ asmlinkage long hpux_fstatfs(unsigned int fd, struct hpux_statfs __user * buf) /* TODO: Are these put_user calls OK? Should they pass an int? * (I copied it from sys_i386.c like this.) */ -static int hpux_uname(struct hpux_utsname *name) +static int hpux_uname(struct hpux_utsname __user *name) { int error; @@ -300,14 +300,14 @@ static int hpux_uname(struct hpux_utsname *name) /* Note: HP-UX just uses the old suser() function to check perms * in this system call. We'll use capable(CAP_SYS_ADMIN). */ -int hpux_utssys(char *ubuf, int n, int type) +int hpux_utssys(char __user *ubuf, int n, int type) { int len; int error; switch( type ) { case 0: /* uname(): */ - return( hpux_uname( (struct hpux_utsname *)ubuf ) ); + return hpux_uname((struct hpux_utsname __user *)ubuf); break ; case 1: /* Obsolete (used to be umask().) */ @@ -315,8 +315,9 @@ int hpux_utssys(char *ubuf, int n, int type) break ; case 2: /* ustat(): */ - return( hpux_ustat(new_decode_dev(n), (struct hpux_ustat *)ubuf) ); - break ; + return hpux_ustat(new_decode_dev(n), + (struct hpux_ustat __user *)ubuf); + break; case 3: /* setuname(): * @@ -332,7 +333,7 @@ int hpux_utssys(char *ubuf, int n, int type) return -EINVAL ; /* Unlike Linux, HP-UX truncates it if n is too big: */ len = (n <= __NEW_UTS_LEN) ? n : __NEW_UTS_LEN ; - return( sys_sethostname(ubuf, len) ); + return sys_sethostname(ubuf, len); break ; case 4: /* sethostname(): @@ -346,7 +347,7 @@ int hpux_utssys(char *ubuf, int n, int type) return -EINVAL ; /* Unlike Linux, HP-UX truncates it if n is too big: */ len = (n <= __NEW_UTS_LEN) ? n : __NEW_UTS_LEN ; - return( sys_sethostname(ubuf, len) ); + return sys_sethostname(ubuf, len); break ; case 5: /* gethostname(): @@ -356,7 +357,7 @@ int hpux_utssys(char *ubuf, int n, int type) /* Unlike Linux, HP-UX returns an error if n==0: */ if ( n <= 0 ) return -EINVAL ; - return( sys_gethostname(ubuf, n) ); + return sys_gethostname(ubuf, n); break ; case 6: /* Supposedly called from setuname() in libc. @@ -420,7 +421,7 @@ int hpux_utssys(char *ubuf, int n, int type) } } -int hpux_getdomainname(char *name, int len) +int hpux_getdomainname(char __user *name, int len) { int nlen; int err = -EFAULT; @@ -471,17 +472,18 @@ int hpux_sysfs(int opcode, unsigned long arg1, unsigned long arg2) printk(KERN_DEBUG "hpux_sysfs called with arg1='%lx'\n", arg1); if ( opcode == 1 ) { /* GETFSIND */ - len = strlen_user((char *)arg1); + char __user *user_fsname = (char __user *)arg1; + len = strlen_user(user_fsname); printk(KERN_DEBUG "len of arg1 = %d\n", len); if (len == 0) return 0; fsname = kmalloc(len, GFP_KERNEL); - if ( !fsname ) { + if (!fsname) { printk(KERN_DEBUG "failed to kmalloc fsname\n"); return 0; } - if ( copy_from_user(fsname, (char *)arg1, len) ) { + if (copy_from_user(fsname, user_fsname, len)) { printk(KERN_DEBUG "failed to copy_from_user fsname\n"); kfree(fsname); return 0; @@ -495,7 +497,7 @@ int hpux_sysfs(int opcode, unsigned long arg1, unsigned long arg2) fstype = 0; } else { fstype = 0; - }; + } kfree(fsname); @@ -509,7 +511,7 @@ int hpux_sysfs(int opcode, unsigned long arg1, unsigned long arg2) /* Table of syscall names and handle for unimplemented routines */ -static const char *syscall_names[] = { +static const char * const syscall_names[] = { "nosys", /* 0 */ "exit", "fork", diff --git a/arch/parisc/hpux/wrappers.S b/arch/parisc/hpux/wrappers.S index 0b0c3a66b1b..58c53c879c0 100644 --- a/arch/parisc/hpux/wrappers.S +++ b/arch/parisc/hpux/wrappers.S @@ -20,19 +20,16 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT #warning PA64 support needs more work...did first cut #endif #include <asm/asm-offsets.h> #include <asm/assembly.h> #include <asm/signal.h> +#include <linux/linkage.h> -#ifdef __LP64__ - .level 2.0w -#else - .level 1.1 -#endif + .level LEVEL .text /* These should probably go in a header file somewhere. @@ -41,7 +38,7 @@ * register save/restore macros. */ .macro reg_save regs -#ifdef __LP64__ +#ifdef CONFIG_64BIT #warning NEEDS WORK for 64-bit #endif STREG %r3, PT_GR3(\regs) @@ -82,11 +79,9 @@ .endm - .export hpux_fork_wrapper - .export hpux_child_return .import sys_fork -hpux_fork_wrapper: +ENTRY(hpux_fork_wrapper) ldo TASK_REGS-TASK_SZ_ALGN-64(%r30),%r1 ;! get pt regs ;! pointer in task reg_save %r1 @@ -128,27 +123,26 @@ fork_return: fork_exit: bv %r0(%r2) nop +ENDPROC(hpux_fork_wrapper) /* Set the return value for the child */ -hpux_child_return: +ENTRY(hpux_child_return) #if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT) - bl schedule_tail, %r2 - nop + bl,n schedule_tail, %r2 #endif LDREG TASK_PT_GR19-TASK_SZ_ALGN-128(%r30),%r2 b fork_return copy %r0,%r28 +ENDPROC(hpux_child_return) - .export hpux_execve_wrapper - .export hpux_execv_wrapper .import hpux_execve -hpux_execv_wrapper: +ENTRY(hpux_execv_wrapper) copy %r0,%r24 /* NULL environment */ -hpux_execve_wrapper: +ENTRY(hpux_execve_wrapper) ldo TASK_REGS-TASK_SZ_ALGN-64(%r30),%r1 ;! get pt regs @@ -187,13 +181,13 @@ hpux_execve_wrapper: exec_error: bv %r0(%r19) nop +ENDPROC(hpux_execv_wrapper) - .export hpux_pipe_wrapper .import hpux_pipe /* HP-UX expects pipefd's returned in r28 & r29 */ -hpux_pipe_wrapper: +ENTRY(hpux_pipe_wrapper) STREG %r2,-20(%r30) ldo 64(%r30),%r30 bl hpux_pipe,%r2 @@ -212,12 +206,11 @@ hpux_pipe_wrapper: pipe_exit: bv %r0(%r2) ldo -64(%r30),%r30 +ENDPROC(hpux_pipe_wrapper) - .export hpux_syscall_exit .import syscall_exit -hpux_syscall_exit: - +ENTRY(hpux_syscall_exit) /* * * HP-UX call return conventions: @@ -246,12 +239,12 @@ hpux_syscall_exit: ldo 1(%r0),%r22 no_error: - b syscall_exit - nop + b,n syscall_exit +ENDPROC(hpux_syscall_exit) - .export hpux_unimplemented_wrapper .import hpux_unimplemented -hpux_unimplemented_wrapper: +ENTRY(hpux_unimplemented_wrapper) b hpux_unimplemented STREG %r22,-64(%r30) /* overwrite arg8 with syscall number */ +ENDPROC(hpux_unimplemented_wrapper) diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c index c11a5bc7c06..54fdb959149 100644 --- a/arch/parisc/kernel/asm-offsets.c +++ b/arch/parisc/kernel/asm-offsets.c @@ -44,7 +44,7 @@ #define BLANK() asm volatile("\n->" : : ) -#ifdef __LP64__ +#ifdef CONFIG_64BIT #define FRAME_SIZE 128 #else #define FRAME_SIZE 64 diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 0be51e92a2f..0dc924ccceb 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -68,16 +68,6 @@ flush_cache_all_local(void) } EXPORT_SYMBOL(flush_cache_all_local); -/* flushes EVERYTHING (tlb & cache) */ - -void -flush_all_caches(void) -{ - flush_cache_all(); - flush_tlb_all(); -} -EXPORT_SYMBOL(flush_all_caches); - void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) { @@ -99,7 +89,7 @@ show_cache_info(struct seq_file *m) seq_printf(m, "I-cache\t\t: %ld KB\n", cache_info.ic_size/1024 ); - if (cache_info.dc_loop == 1) + if (cache_info.dc_loop != 1) snprintf(buf, 32, "%lu-way associative", cache_info.dc_loop); seq_printf(m, "D-cache\t\t: %ld KB (%s%s, %s)\n", cache_info.dc_size/1024, @@ -270,6 +260,83 @@ void disable_sr_hashing(void) panic("SpaceID hashing is still on!\n"); } +/* Simple function to work out if we have an existing address translation + * for a user space vma. */ +static inline int translation_exists(struct vm_area_struct *vma, + unsigned long addr, unsigned long pfn) +{ + pgd_t *pgd = pgd_offset(vma->vm_mm, addr); + pmd_t *pmd; + pte_t pte; + + if(pgd_none(*pgd)) + return 0; + + pmd = pmd_offset(pgd, addr); + if(pmd_none(*pmd) || pmd_bad(*pmd)) + return 0; + + /* We cannot take the pte lock here: flush_cache_page is usually + * called with pte lock already held. Whereas flush_dcache_page + * takes flush_dcache_mmap_lock, which is lower in the hierarchy: + * the vma itself is secure, but the pte might come or go racily. + */ + pte = *pte_offset_map(pmd, addr); + /* But pte_unmap() does nothing on this architecture */ + + /* Filter out coincidental file entries and swap entries */ + if (!(pte_val(pte) & (_PAGE_FLUSH|_PAGE_PRESENT))) + return 0; + + return pte_pfn(pte) == pfn; +} + +/* Private function to flush a page from the cache of a non-current + * process. cr25 contains the Page Directory of the current user + * process; we're going to hijack both it and the user space %sr3 to + * temporarily make the non-current process current. We have to do + * this because cache flushing may cause a non-access tlb miss which + * the handlers have to fill in from the pgd of the non-current + * process. */ +static inline void +flush_user_cache_page_non_current(struct vm_area_struct *vma, + unsigned long vmaddr) +{ + /* save the current process space and pgd */ + unsigned long space = mfsp(3), pgd = mfctl(25); + + /* we don't mind taking interrups since they may not + * do anything with user space, but we can't + * be preempted here */ + preempt_disable(); + + /* make us current */ + mtctl(__pa(vma->vm_mm->pgd), 25); + mtsp(vma->vm_mm->context, 3); + + flush_user_dcache_page(vmaddr); + if(vma->vm_flags & VM_EXEC) + flush_user_icache_page(vmaddr); + + /* put the old current process back */ + mtsp(space, 3); + mtctl(pgd, 25); + preempt_enable(); +} + + +static inline void +__flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr) +{ + if (likely(vma->vm_mm->context == mfsp(3))) { + flush_user_dcache_page(vmaddr); + if (vma->vm_flags & VM_EXEC) + flush_user_icache_page(vmaddr); + } else { + flush_user_cache_page_non_current(vma, vmaddr); + } +} + void flush_dcache_page(struct page *page) { struct address_space *mapping = page_mapping(page); @@ -342,7 +409,7 @@ void clear_user_page_asm(void *page, unsigned long vaddr) #define FLUSH_THRESHOLD 0x80000 /* 0.5MB */ int parisc_cache_flush_threshold __read_mostly = FLUSH_THRESHOLD; -void parisc_setup_cache_timing(void) +void __init parisc_setup_cache_timing(void) { unsigned long rangetime, alltime; unsigned long size; @@ -366,6 +433,9 @@ void parisc_setup_cache_timing(void) if (!parisc_cache_flush_threshold) parisc_cache_flush_threshold = FLUSH_THRESHOLD; + if (parisc_cache_flush_threshold > cache_info.dc_size) + parisc_cache_flush_threshold = cache_info.dc_size; + printk(KERN_INFO "Setting cache flush threshold to %x (%d CPUs online)\n", parisc_cache_flush_threshold, num_online_cpus()); } @@ -410,3 +480,97 @@ void kunmap_parisc(void *addr) } EXPORT_SYMBOL(kunmap_parisc); #endif + +void __flush_tlb_range(unsigned long sid, unsigned long start, + unsigned long end) +{ + unsigned long npages; + + npages = ((end - (start & PAGE_MASK)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT; + if (npages >= 512) /* 2MB of space: arbitrary, should be tuned */ + flush_tlb_all(); + else { + mtsp(sid, 1); + purge_tlb_start(); + if (split_tlb) { + while (npages--) { + pdtlb(start); + pitlb(start); + start += PAGE_SIZE; + } + } else { + while (npages--) { + pdtlb(start); + start += PAGE_SIZE; + } + } + purge_tlb_end(); + } +} + +static void cacheflush_h_tmp_function(void *dummy) +{ + flush_cache_all_local(); +} + +void flush_cache_all(void) +{ + on_each_cpu(cacheflush_h_tmp_function, NULL, 1, 1); +} + +void flush_cache_mm(struct mm_struct *mm) +{ +#ifdef CONFIG_SMP + flush_cache_all(); +#else + flush_cache_all_local(); +#endif +} + +void +flush_user_dcache_range(unsigned long start, unsigned long end) +{ + if ((end - start) < parisc_cache_flush_threshold) + flush_user_dcache_range_asm(start,end); + else + flush_data_cache(); +} + +void +flush_user_icache_range(unsigned long start, unsigned long end) +{ + if ((end - start) < parisc_cache_flush_threshold) + flush_user_icache_range_asm(start,end); + else + flush_instruction_cache(); +} + + +void flush_cache_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end) +{ + int sr3; + + if (!vma->vm_mm->context) { + BUG(); + return; + } + + sr3 = mfsp(3); + if (vma->vm_mm->context == sr3) { + flush_user_dcache_range(start,end); + flush_user_icache_range(start,end); + } else { + flush_cache_all(); + } +} + +void +flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long pfn) +{ + BUG_ON(!vma->vm_mm->context); + + if (likely(translation_exists(vma, vmaddr, pfn))) + __flush_cache_page(vma, vmaddr); + +} diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c index d6c486e9501..2ca654bd632 100644 --- a/arch/parisc/kernel/drivers.c +++ b/arch/parisc/kernel/drivers.c @@ -562,12 +562,23 @@ pa_dev_attr(rev, id.hversion_rev, "0x%x\n"); pa_dev_attr_id(hversion, "0x%03x\n"); pa_dev_attr_id(sversion, "0x%05x\n"); +static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct parisc_device *padev = to_parisc_device(dev); + struct parisc_device_id *id = &padev->id; + + return sprintf(buf, "parisc:t%02Xhv%04Xrev%02Xsv%08X\n", + (u8)id->hw_type, (u16)id->hversion, (u8)id->hversion_rev, + (u32)id->sversion); +} + static struct device_attribute parisc_device_attrs[] = { __ATTR_RO(irq), __ATTR_RO(hw_type), __ATTR_RO(rev), __ATTR_RO(hversion), __ATTR_RO(sversion), + __ATTR_RO(modalias), __ATTR_NULL, }; @@ -689,7 +700,9 @@ parse_tree_node(struct device *parent, int index, struct hardware_path *modpath) .fn = check_parent, }; - device_for_each_child(parent, &recurse_data, descend_children); + if (device_for_each_child(parent, &recurse_data, descend_children)) + /* nothing */; + return d.dev; } @@ -835,8 +848,8 @@ static void print_parisc_device(struct parisc_device *dev) static int count; print_pa_hwpath(dev, hw_path); - printk(KERN_INFO "%d. %s at 0x%lx [%s] { %d, 0x%x, 0x%.3x, 0x%.5x }", - ++count, dev->name, dev->hpa.start, hw_path, dev->id.hw_type, + printk(KERN_INFO "%d. %s at 0x%p [%s] { %d, 0x%x, 0x%.3x, 0x%.5x }", + ++count, dev->name, (void*) dev->hpa.start, hw_path, dev->id.hw_type, dev->id.hversion_rev, dev->id.hversion, dev->id.sversion); if (dev->num_addrs) { diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index 340b5e8d67b..8474f9e5ca1 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -37,6 +37,8 @@ #include <asm/unistd.h> #include <asm/thread_info.h> +#include <linux/linkage.h> + #ifdef CONFIG_64BIT #define CMPIB cmpib,* #define CMPB cmpb,* @@ -648,13 +650,11 @@ * the static part of the kernel address space. */ - .export fault_vector_20 - .text .align 4096 -fault_vector_20: +ENTRY(fault_vector_20) /* First vector is invalid (0) */ .ascii "cows can fly" .byte 0 @@ -695,14 +695,13 @@ fault_vector_20: def 29 def 30 def 31 +END(fault_vector_20) #ifndef CONFIG_64BIT - .export fault_vector_11 - .align 2048 -fault_vector_11: +ENTRY(fault_vector_11) /* First vector is invalid (0) */ .ascii "cows can fly" .byte 0 @@ -743,6 +742,7 @@ fault_vector_11: def 29 def 30 def 31 +END(fault_vector_11) #endif @@ -762,9 +762,8 @@ fault_vector_11: #define CLONE_VM 0x100 /* Must agree with <linux/sched.h> */ #define CLONE_UNTRACED 0x00800000 - .export __kernel_thread, code .import do_fork -__kernel_thread: +ENTRY(__kernel_thread) STREG %r2, -RP_OFFSET(%r30) copy %r30, %r1 @@ -797,6 +796,7 @@ __kernel_thread: ldo -PT_SZ_ALGN(%r30), %r30 bv %r0(%r2) nop +ENDPROC(__kernel_thread) /* * Child Returns here @@ -805,8 +805,7 @@ __kernel_thread: * into task save area. */ - .export ret_from_kernel_thread -ret_from_kernel_thread: +ENTRY(ret_from_kernel_thread) /* Call schedule_tail first though */ BL schedule_tail, %r2 @@ -833,10 +832,10 @@ ret_from_kernel_thread: bv %r0(%r1) #endif ldi 0, %r26 +ENDPROC(ret_from_kernel_thread) .import sys_execve, code - .export __execve, code -__execve: +ENTRY(__execve) copy %r2, %r15 copy %r30, %r16 ldo PT_SZ_ALGN(%r30), %r30 @@ -856,16 +855,15 @@ __execve: copy %r16, %r30 bv %r0(%r2) nop +ENDPROC(__execve) - .align 4 /* * struct task_struct *_switch_to(struct task_struct *prev, * struct task_struct *next) * * switch kernel stacks and return prev */ - .export _switch_to, code -_switch_to: +ENTRY(_switch_to) STREG %r2, -RP_OFFSET(%r30) callee_save_float @@ -890,6 +888,7 @@ _switch_to_ret: LDREG -RP_OFFSET(%r30), %r2 bv %r0(%r2) copy %r26, %r28 +ENDPROC(_switch_to) /* * Common rfi return path for interruptions, kernel execve, and @@ -907,8 +906,7 @@ _switch_to_ret: .align 4096 - .export syscall_exit_rfi -syscall_exit_rfi: +ENTRY(syscall_exit_rfi) mfctl %cr30,%r16 LDREG TI_TASK(%r16), %r16 /* thread_info -> task_struct */ ldo TASK_REGS(%r16),%r16 @@ -978,11 +976,36 @@ intr_check_resched: LDREG TI_FLAGS(%r1),%r19 /* sched.h: TIF_NEED_RESCHED */ bb,<,n %r19,31-TIF_NEED_RESCHED,intr_do_resched /* forward */ + .import do_notify_resume,code intr_check_sig: /* As above */ mfctl %cr30,%r1 - LDREG TI_FLAGS(%r1),%r19 /* sched.h: TIF_SIGPENDING */ - bb,<,n %r19, 31-TIF_SIGPENDING, intr_do_signal /* forward */ + LDREG TI_FLAGS(%r1),%r19 + ldi (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK), %r20 + and,COND(<>) %r19, %r20, %r0 + b,n intr_restore /* skip past if we've nothing to do */ + + /* This check is critical to having LWS + * working. The IASQ is zero on the gateway + * page and we cannot deliver any signals until + * we get off the gateway page. + * + * Only do signals if we are returning to user space + */ + LDREG PT_IASQ0(%r16), %r20 + CMPIB=,n 0,%r20,intr_restore /* backward */ + LDREG PT_IASQ1(%r16), %r20 + CMPIB=,n 0,%r20,intr_restore /* backward */ + + copy %r0, %r25 /* long in_syscall = 0 */ +#ifdef CONFIG_64BIT + ldo -16(%r30),%r29 /* Reference param save area */ +#endif + + BL do_notify_resume,%r2 + copy %r16, %r26 /* struct pt_regs *regs */ + + b,n intr_check_sig intr_restore: copy %r16,%r29 @@ -1072,35 +1095,6 @@ intr_do_preempt: b,n intr_restore /* ssm PSW_SM_I done by intr_restore */ #endif /* CONFIG_PREEMPT */ - .import do_signal,code -intr_do_signal: - /* - This check is critical to having LWS - working. The IASQ is zero on the gateway - page and we cannot deliver any signals until - we get off the gateway page. - - Only do signals if we are returning to user space - */ - LDREG PT_IASQ0(%r16), %r20 - CMPIB= 0,%r20,intr_restore /* backward */ - nop - LDREG PT_IASQ1(%r16), %r20 - CMPIB= 0,%r20,intr_restore /* backward */ - nop - - copy %r0, %r24 /* unsigned long in_syscall */ - copy %r16, %r25 /* struct pt_regs *regs */ -#ifdef CONFIG_64BIT - ldo -16(%r30),%r29 /* Reference param save area */ -#endif - - BL do_signal,%r2 - copy %r0, %r26 /* sigset_t *oldset = NULL */ - - b intr_check_sig - nop - /* * External interrupts. */ @@ -1115,11 +1109,7 @@ intr_extint: mfctl %cr31,%r1 copy %r30,%r17 /* FIXME! depi below has hardcoded idea of interrupt stack size (32k)*/ -#ifdef CONFIG_64BIT - depdi 0,63,15,%r17 -#else - depi 0,31,15,%r17 -#endif + DEPI 0,31,15,%r17 CMPB=,n %r1,%r17,2f get_stack_use_cr31 b,n 3f @@ -1148,13 +1138,12 @@ intr_extint: b do_cpu_irq_mask ldo R%intr_return(%r2), %r2 /* return to intr_return, not here */ +ENDPROC(syscall_exit_rfi) /* Generic interruptions (illegal insn, unaligned, page fault, etc) */ - .export intr_save, code /* for os_hpmc */ - -intr_save: +ENTRY(intr_save) /* for os_hpmc */ mfsp %sr7,%r16 CMPIB=,n 0,%r16,1f get_stack_use_cr30 @@ -1229,6 +1218,7 @@ skip_save_ior: b handle_interruption ldo R%intr_check_sig(%r2), %r2 +ENDPROC(intr_save) /* @@ -1814,9 +1804,7 @@ dtlb_fault: LDREG PT_GR18(\regs),%r18 .endm - .export sys_fork_wrapper - .export child_return -sys_fork_wrapper: +ENTRY(sys_fork_wrapper) LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30), %r1 ldo TASK_REGS(%r1),%r1 reg_save %r1 @@ -1853,9 +1841,10 @@ wrapper_exit: ldi __NR_fork,%r20 bv %r0(%r2) STREG %r20,PT_GR20(%r1) +ENDPROC(sys_fork_wrapper) /* Set the return value for the child */ -child_return: +ENTRY(child_return) BL schedule_tail, %r2 nop @@ -1863,10 +1852,10 @@ child_return: LDREG TASK_PT_GR19(%r1),%r2 b wrapper_exit copy %r0,%r28 +ENDPROC(child_return) - - .export sys_clone_wrapper -sys_clone_wrapper: + +ENTRY(sys_clone_wrapper) LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 ldo TASK_REGS(%r1),%r1 /* get pt regs */ reg_save %r1 @@ -1887,9 +1876,10 @@ sys_clone_wrapper: b wrapper_exit LDREG -RP_OFFSET-FRAME_SIZE(%r30),%r2 +ENDPROC(sys_clone_wrapper) + - .export sys_vfork_wrapper -sys_vfork_wrapper: +ENTRY(sys_vfork_wrapper) LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 ldo TASK_REGS(%r1),%r1 /* get pt regs */ reg_save %r1 @@ -1910,6 +1900,7 @@ sys_vfork_wrapper: b wrapper_exit LDREG -RP_OFFSET-FRAME_SIZE(%r30),%r2 +ENDPROC(sys_vfork_wrapper) .macro execve_wrapper execve @@ -1946,22 +1937,19 @@ error_\execve: nop .endm - .export sys_execve_wrapper .import sys_execve - -sys_execve_wrapper: +ENTRY(sys_execve_wrapper) execve_wrapper sys_execve +ENDPROC(sys_execve_wrapper) #ifdef CONFIG_64BIT - .export sys32_execve_wrapper .import sys32_execve - -sys32_execve_wrapper: +ENTRY(sys32_execve_wrapper) execve_wrapper sys32_execve +ENDPROC(sys32_execve_wrapper) #endif - .export sys_rt_sigreturn_wrapper -sys_rt_sigreturn_wrapper: +ENTRY(sys_rt_sigreturn_wrapper) LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r26 ldo TASK_REGS(%r26),%r26 /* get pt regs */ /* Don't save regs, we are going to restore them from sigcontext. */ @@ -1989,9 +1977,9 @@ sys_rt_sigreturn_wrapper: */ bv %r0(%r2) LDREG PT_GR28(%r1),%r28 /* reload original r28 for syscall_exit */ +ENDPROC(sys_rt_sigreturn_wrapper) - .export sys_sigaltstack_wrapper -sys_sigaltstack_wrapper: +ENTRY(sys_sigaltstack_wrapper) /* Get the user stack pointer */ LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 ldo TASK_REGS(%r1),%r24 /* get pt regs */ @@ -1999,10 +1987,10 @@ sys_sigaltstack_wrapper: STREG %r2, -RP_OFFSET(%r30) #ifdef CONFIG_64BIT ldo FRAME_SIZE(%r30), %r30 - b,l do_sigaltstack,%r2 + BL do_sigaltstack,%r2 ldo -16(%r30),%r29 /* Reference param save area */ #else - bl do_sigaltstack,%r2 + BL do_sigaltstack,%r2 ldo FRAME_SIZE(%r30), %r30 #endif @@ -2010,53 +1998,26 @@ sys_sigaltstack_wrapper: LDREG -RP_OFFSET(%r30), %r2 bv %r0(%r2) nop +ENDPROC(sys_sigaltstack_wrapper) #ifdef CONFIG_64BIT - .export sys32_sigaltstack_wrapper -sys32_sigaltstack_wrapper: +ENTRY(sys32_sigaltstack_wrapper) /* Get the user stack pointer */ LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r24 LDREG TASK_PT_GR30(%r24),%r24 STREG %r2, -RP_OFFSET(%r30) ldo FRAME_SIZE(%r30), %r30 - b,l do_sigaltstack32,%r2 + BL do_sigaltstack32,%r2 ldo -16(%r30),%r29 /* Reference param save area */ ldo -FRAME_SIZE(%r30), %r30 LDREG -RP_OFFSET(%r30), %r2 bv %r0(%r2) nop +ENDPROC(sys32_sigaltstack_wrapper) #endif - .export sys_rt_sigsuspend_wrapper -sys_rt_sigsuspend_wrapper: - LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30), %r1 - ldo TASK_REGS(%r1),%r24 - reg_save %r24 - - STREG %r2, -RP_OFFSET(%r30) -#ifdef CONFIG_64BIT - ldo FRAME_SIZE(%r30), %r30 - b,l sys_rt_sigsuspend,%r2 - ldo -16(%r30),%r29 /* Reference param save area */ -#else - bl sys_rt_sigsuspend,%r2 - ldo FRAME_SIZE(%r30), %r30 -#endif - - ldo -FRAME_SIZE(%r30), %r30 - LDREG -RP_OFFSET(%r30), %r2 - - LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30), %r1 - ldo TASK_REGS(%r1),%r1 - reg_restore %r1 - - bv %r0(%r2) - nop - - .export syscall_exit -syscall_exit: - +ENTRY(syscall_exit) /* NOTE: HP-UX syscalls also come through here * after hpux_syscall_exit fixes up return * values. */ @@ -2119,9 +2080,35 @@ syscall_check_resched: LDREG TI_FLAGS-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r19 /* long */ bb,<,n %r19, 31-TIF_NEED_RESCHED, syscall_do_resched /* forward */ + .import do_signal,code syscall_check_sig: - LDREG TI_FLAGS-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r19 /* get ti flags */ - bb,<,n %r19, 31-TIF_SIGPENDING, syscall_do_signal /* forward */ + LDREG TI_FLAGS-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r19 + ldi (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK), %r26 + and,COND(<>) %r19, %r26, %r0 + b,n syscall_restore /* skip past if we've nothing to do */ + +syscall_do_signal: + /* Save callee-save registers (for sigcontext). + * FIXME: After this point the process structure should be + * consistent with all the relevant state of the process + * before the syscall. We need to verify this. + */ + LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 + ldo TASK_REGS(%r1), %r26 /* struct pt_regs *regs */ + reg_save %r26 + +#ifdef CONFIG_64BIT + ldo -16(%r30),%r29 /* Reference param save area */ +#endif + + BL do_notify_resume,%r2 + ldi 1, %r25 /* long in_syscall = 1 */ + + LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 + ldo TASK_REGS(%r1), %r20 /* reload pt_regs */ + reg_restore %r20 + + b,n syscall_check_sig syscall_restore: /* Are we being ptraced? */ @@ -2259,31 +2246,10 @@ syscall_do_resched: #endif b syscall_check_bh /* if resched, we start over again */ nop +ENDPROC(syscall_exit) - .import do_signal,code -syscall_do_signal: - /* Save callee-save registers (for sigcontext). - FIXME: After this point the process structure should be - consistent with all the relevant state of the process - before the syscall. We need to verify this. */ - LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 - ldo TASK_REGS(%r1), %r25 /* struct pt_regs *regs */ - reg_save %r25 - - ldi 1, %r24 /* unsigned long in_syscall */ - -#ifdef CONFIG_64BIT - ldo -16(%r30),%r29 /* Reference param save area */ -#endif - BL do_signal,%r2 - copy %r0, %r26 /* sigset_t *oldset = NULL */ - - LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 - ldo TASK_REGS(%r1), %r20 /* reload pt_regs */ - reg_restore %r20 - - b,n syscall_check_sig +get_register: /* * get_register is used by the non access tlb miss handlers to * copy the value of the general register specified in r8 into @@ -2294,8 +2260,6 @@ syscall_do_signal: * a -1 in it, but that is OK, it just means that we will have * to use the slow path instead). */ - -get_register: blr %r8,%r0 nop bv %r0(%r25) /* r0 */ @@ -2363,13 +2327,13 @@ get_register: bv %r0(%r25) /* r31 */ copy %r31,%r1 + +set_register: /* * set_register is used by the non access tlb miss handlers to * copy the value of r1 into the general register specified in * r8. */ - -set_register: blr %r8,%r0 nop bv %r0(%r25) /* r0 (silly, but it is a place holder) */ @@ -2436,3 +2400,4 @@ set_register: copy %r1,%r30 bv %r0(%r25) /* r31 */ copy %r1,%r31 + diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index 9158b707c0d..39dc835bf89 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c @@ -74,7 +74,7 @@ static DEFINE_SPINLOCK(pdc_lock); static unsigned long pdc_result[32] __attribute__ ((aligned (8))); static unsigned long pdc_result2[32] __attribute__ ((aligned (8))); -#ifdef __LP64__ +#ifdef CONFIG_64BIT #define WIDE_FIRMWARE 0x1 #define NARROW_FIRMWARE 0x2 @@ -94,12 +94,12 @@ int parisc_narrow_firmware __read_mostly = 1; * when running a 64-bit kernel on such boxes (e.g. C200 or C360). */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT long real64_call(unsigned long function, ...); #endif long real32_call(unsigned long function, ...); -#ifdef __LP64__ +#ifdef CONFIG_64BIT # define MEM_PDC (unsigned long)(PAGE0->mem_pdc_hi) << 32 | PAGE0->mem_pdc # define mem_pdc_call(args...) unlikely(parisc_narrow_firmware) ? real32_call(MEM_PDC, args) : real64_call(MEM_PDC, args) #else @@ -117,7 +117,7 @@ long real32_call(unsigned long function, ...); */ static unsigned long f_extend(unsigned long address) { -#ifdef __LP64__ +#ifdef CONFIG_64BIT if(unlikely(parisc_narrow_firmware)) { if((address & 0xff000000) == 0xf0000000) return 0xf0f0f0f000000000UL | (u32)address; @@ -139,7 +139,7 @@ static unsigned long f_extend(unsigned long address) */ static void convert_to_wide(unsigned long *addr) { -#ifdef __LP64__ +#ifdef CONFIG_64BIT int i; unsigned int *p = (unsigned int *)addr; @@ -158,7 +158,7 @@ static void convert_to_wide(unsigned long *addr) */ void __init set_firmware_width(void) { -#ifdef __LP64__ +#ifdef CONFIG_64BIT int retval; unsigned long flags; @@ -238,7 +238,7 @@ int __init pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_inf * * Must be correctly formatted or expect system crash */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT int pdc_pat_chassis_send_log(unsigned long state, unsigned long data) { int retval = 0; @@ -949,7 +949,7 @@ int pdc_tod_set(unsigned long sec, unsigned long usec) } EXPORT_SYMBOL(pdc_tod_set); -#ifdef __LP64__ +#ifdef CONFIG_64BIT int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr, struct pdc_memory_table *tbl, unsigned long entries) { @@ -965,7 +965,7 @@ int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr, return retval; } -#endif /* __LP64__ */ +#endif /* CONFIG_64BIT */ /* FIXME: Is this pdc used? I could not find type reference to ftc_bitmap * so I guessed at unsigned long. Someone who knows what this does, can fix @@ -1204,7 +1204,7 @@ int pdc_sti_call(unsigned long func, unsigned long flags, } EXPORT_SYMBOL(pdc_sti_call); -#ifdef __LP64__ +#ifdef CONFIG_64BIT /** * pdc_pat_cell_get_number - Returns the cell number. * @cell_info: The return buffer. @@ -1387,7 +1387,7 @@ int pdc_pat_io_pci_cfg_write(unsigned long pci_addr, int pci_size, u32 val) return retval; } -#endif /* __LP64__ */ +#endif /* CONFIG_64BIT */ /***************** 32-bit real-mode calls ***********/ @@ -1445,7 +1445,7 @@ long real32_call(unsigned long fn, ...) return real32_call_asm(&real_stack.sp, &real_stack.arg0, fn); } -#ifdef __LP64__ +#ifdef CONFIG_64BIT /***************** 64-bit real-mode calls ***********/ struct wide_stack { @@ -1496,5 +1496,5 @@ long real64_call(unsigned long fn, ...) return real64_call_asm(&real64_stack.sp, &real64_stack.arg0, fn); } -#endif /* __LP64__ */ +#endif /* CONFIG_64BIT */ diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S index eaad2328fea..9676c486bb6 100644 --- a/arch/parisc/kernel/head.S +++ b/arch/parisc/kernel/head.S @@ -2,7 +2,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1999 by Helge Deller + * Copyright (C) 1999-2007 by Helge Deller <deller@gmx.de> * Copyright 1999 SuSE GmbH (Philipp Rumpf) * Copyright 1999 Philipp Rumpf (prumpf@tux.org) * Copyright 2000 Hewlett Packard (Paul Bame, bame@puffin.external.hp.com) @@ -19,16 +19,17 @@ #include <asm/assembly.h> #include <asm/pgtable.h> +#include <linux/linkage.h> + .level LEVEL .data - - .export boot_args -boot_args: +ENTRY(boot_args) .word 0 /* arg0 */ .word 0 /* arg1 */ .word 0 /* arg2 */ .word 0 /* arg3 */ +END(boot_args) .text .align 4 @@ -38,10 +39,9 @@ boot_args: .import fault_vector_11,code /* IVA parisc 1.1 32 bit */ .import $global$ /* forward declaration */ #endif /*!CONFIG_64BIT*/ - .export stext .export _stext,data /* Kernel want it this way! */ _stext: -stext: +ENTRY(stext) .proc .callinfo @@ -343,6 +343,9 @@ smp_slave_stext: .procend #endif /* CONFIG_SMP */ + +ENDPROC(stext) + #ifndef CONFIG_64BIT .data diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S index c412c0adc4a..d8baa158d8a 100644 --- a/arch/parisc/kernel/hpmc.S +++ b/arch/parisc/kernel/hpmc.S @@ -46,6 +46,8 @@ #include <asm/assembly.h> #include <asm/pdc.h> +#include <linux/linkage.h> + /* * stack for os_hpmc, the HPMC handler. * buffer for IODC procedures (for the HPMC handler). @@ -69,17 +71,15 @@ hpmc_raddr: #define HPMC_PIM_DATA_SIZE 896 /* Enough to hold all architected 2.0 state */ - .export hpmc_pim_data, data .align 8 -hpmc_pim_data: +ENTRY(hpmc_pim_data) .block HPMC_PIM_DATA_SIZE +END(hpmc_pim_data) .text - .export os_hpmc, code .import intr_save, code - -os_hpmc: +ENTRY(os_hpmc) /* * registers modified: @@ -294,11 +294,9 @@ os_hpmc_6: b . nop +ENDPROC(os_hpmc) /* this label used to compute os_hpmc checksum */ - - .export os_hpmc_end, code - -os_hpmc_end: +ENTRY(os_hpmc_end) nop diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c index 4e847ba5318..4845a644463 100644 --- a/arch/parisc/kernel/inventory.c +++ b/arch/parisc/kernel/inventory.c @@ -47,7 +47,7 @@ void __init setup_pdc(void) struct pdc_system_map_mod_info module_result; struct pdc_module_path module_path; struct pdc_model model; -#ifdef __LP64__ +#ifdef CONFIG_64BIT struct pdc_pat_cell_num cell_info; #endif @@ -73,7 +73,7 @@ void __init setup_pdc(void) * clearer message. */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT status = pdc_pat_cell_get_number(&cell_info); if (status == PDC_OK) { pdc_type = PDC_TYPE_PAT; @@ -152,7 +152,7 @@ static void __init pagezero_memconfig(void) npmem_ranges = 1; } -#ifdef __LP64__ +#ifdef CONFIG_64BIT /* All of the PDC PAT specific code is 64-bit only */ @@ -408,13 +408,13 @@ static void __init sprockets_memconfig(void) } } -#else /* !__LP64__ */ +#else /* !CONFIG_64BIT */ #define pat_inventory() do { } while (0) #define pat_memconfig() do { } while (0) #define sprockets_memconfig() pagezero_memconfig() -#endif /* !__LP64__ */ +#endif /* !CONFIG_64BIT */ #ifndef CONFIG_PA20 diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index b39c5b9aff4..e9d09b020e8 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -336,11 +336,7 @@ unsigned int txn_alloc_data(unsigned int virt_irq) static inline int eirr_to_irq(unsigned long eirr) { -#ifdef CONFIG_64BIT - int bit = fls64(eirr); -#else - int bit = fls(eirr); -#endif + int bit = fls_long(eirr); return (BITS_PER_LONG - bit) + TIMER_IRQ; } diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c index f50b982b083..fdacdd4341c 100644 --- a/arch/parisc/kernel/module.c +++ b/arch/parisc/kernel/module.c @@ -46,6 +46,7 @@ #include <linux/fs.h> #include <linux/string.h> #include <linux/kernel.h> +#include <linux/bug.h> #include <asm/unwind.h> @@ -96,7 +97,7 @@ static inline int in_local_section(struct module *me, void *loc, void *dot) } -#ifndef __LP64__ +#ifndef CONFIG_64BIT struct got_entry { Elf32_Addr addr; }; @@ -176,7 +177,7 @@ void *module_alloc(unsigned long size) return vmalloc(size); } -#ifndef __LP64__ +#ifndef CONFIG_64BIT static inline unsigned long count_gots(const Elf_Rela *rela, unsigned long n) { return 0; @@ -319,7 +320,7 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr, return 0; } -#ifdef __LP64__ +#ifdef CONFIG_64BIT static Elf64_Word get_got(struct module *me, unsigned long value, long addend) { unsigned int i; @@ -342,9 +343,9 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend) value); return i * sizeof(struct got_entry); } -#endif /* __LP64__ */ +#endif /* CONFIG_64BIT */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT static Elf_Addr get_fdesc(struct module *me, unsigned long value) { Elf_Fdesc *fdesc = me->module_core + me->arch.fdesc_offset; @@ -368,7 +369,7 @@ static Elf_Addr get_fdesc(struct module *me, unsigned long value) fdesc->gp = (Elf_Addr)me->module_core + me->arch.got_offset; return (Elf_Addr)fdesc; } -#endif /* __LP64__ */ +#endif /* CONFIG_64BIT */ enum elf_stub_type { ELF_STUB_GOT, @@ -394,7 +395,7 @@ static Elf_Addr get_stub(struct module *me, unsigned long value, long addend, i * sizeof(struct stub_entry); } -#ifndef __LP64__ +#ifndef CONFIG_64BIT /* for 32-bit the stub looks like this: * ldil L'XXX,%r1 * be,n R'XXX(%sr4,%r1) @@ -472,7 +473,7 @@ int apply_relocate(Elf_Shdr *sechdrs, return -ENOEXEC; } -#ifndef __LP64__ +#ifndef CONFIG_64BIT int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, unsigned int symindex, @@ -822,7 +823,8 @@ int module_finalize(const Elf_Ehdr *hdr, me->name, strtab, symhdr); if(me->arch.got_count > MAX_GOTS) { - printk(KERN_ERR "%s: Global Offset Table overflow (used %ld, allowed %d\n", me->name, me->arch.got_count, MAX_GOTS); + printk(KERN_ERR "%s: Global Offset Table overflow (used %ld, allowed %d)\n", + me->name, me->arch.got_count, MAX_GOTS); return -EINVAL; } @@ -850,10 +852,11 @@ int module_finalize(const Elf_Ehdr *hdr, nsyms = newptr - (Elf_Sym *)symhdr->sh_addr; DEBUGP("NEW num_symtab %lu\n", nsyms); symhdr->sh_size = nsyms * sizeof(Elf_Sym); - return 0; + return module_bug_finalize(hdr, sechdrs, me); } void module_arch_cleanup(struct module *mod) { deregister_unwind_table(mod); + module_bug_cleanup(mod); } diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S index e81c9937d10..90b24087852 100644 --- a/arch/parisc/kernel/pacache.S +++ b/arch/parisc/kernel/pacache.S @@ -27,31 +27,21 @@ */ #ifdef CONFIG_64BIT -#define ADDIB addib,* -#define CMPB cmpb,* -#define ANDCM andcm,* - .level 2.0w #else -#define ADDIB addib, -#define CMPB cmpb, -#define ANDCM andcm - .level 2.0 #endif - #include <asm/psw.h> #include <asm/assembly.h> #include <asm/pgtable.h> #include <asm/cache.h> +#include <linux/linkage.h> .text .align 128 - .export flush_tlb_all_local,code - -flush_tlb_all_local: +ENTRY(flush_tlb_all_local) .proc .callinfo NO_CALLS .entry @@ -200,11 +190,11 @@ fdtdone: .exit .procend +ENDPROC(flush_tlb_all_local) - .export flush_instruction_cache_local,code .import cache_info,data -flush_instruction_cache_local: +ENTRY(flush_instruction_cache_local) .proc .callinfo NO_CALLS .entry @@ -241,11 +231,11 @@ fisync: .exit .procend +ENDPROC(flush_instruction_cache_local) - .export flush_data_cache_local, code - .import cache_info, data -flush_data_cache_local: + .import cache_info, data +ENTRY(flush_data_cache_local) .proc .callinfo NO_CALLS .entry @@ -283,11 +273,11 @@ fdsync: .exit .procend +ENDPROC(flush_data_cache_local) - .export copy_user_page_asm,code .align 16 -copy_user_page_asm: +ENTRY(copy_user_page_asm) .proc .callinfo NO_CALLS .entry @@ -409,6 +399,7 @@ copy_user_page_asm: .exit .procend +ENDPROC(copy_user_page_asm) /* * NOTE: Code in clear_user_page has a hard coded dependency on the @@ -446,9 +437,7 @@ copy_user_page_asm: * lobby for such a change. */ - .export copy_user_page_asm,code - -copy_user_page_asm: +ENTRY(copy_user_page_asm) .proc .callinfo NO_CALLS .entry @@ -534,11 +523,10 @@ copy_user_page_asm: .exit .procend +ENDPROC(copy_user_page_asm) #endif - .export __clear_user_page_asm,code - -__clear_user_page_asm: +ENTRY(__clear_user_page_asm) .proc .callinfo NO_CALLS .entry @@ -618,10 +606,9 @@ __clear_user_page_asm: .exit .procend +ENDPROC(__clear_user_page_asm) - .export flush_kernel_dcache_page_asm - -flush_kernel_dcache_page_asm: +ENTRY(flush_kernel_dcache_page_asm) .proc .callinfo NO_CALLS .entry @@ -662,10 +649,9 @@ flush_kernel_dcache_page_asm: .exit .procend +ENDPROC(flush_kernel_dcache_page_asm) - .export flush_user_dcache_page - -flush_user_dcache_page: +ENTRY(flush_user_dcache_page) .proc .callinfo NO_CALLS .entry @@ -706,10 +692,9 @@ flush_user_dcache_page: .exit .procend +ENDPROC(flush_user_dcache_page) - .export flush_user_icache_page - -flush_user_icache_page: +ENTRY(flush_user_icache_page) .proc .callinfo NO_CALLS .entry @@ -750,11 +735,10 @@ flush_user_icache_page: .exit .procend +ENDPROC(flush_user_icache_page) - .export purge_kernel_dcache_page - -purge_kernel_dcache_page: +ENTRY(purge_kernel_dcache_page) .proc .callinfo NO_CALLS .entry @@ -794,15 +778,14 @@ purge_kernel_dcache_page: .exit .procend +ENDPROC(purge_kernel_dcache_page) #if 0 /* Currently not used, but it still is a possible alternate * solution. */ - .export flush_alias_page - -flush_alias_page: +ENTRY(flush_alias_page) .proc .callinfo NO_CALLS .entry @@ -882,10 +865,9 @@ flush_user_dcache_range_asm: .exit .procend +ENDPROC(flush_alias_page) - .export flush_kernel_dcache_range_asm - -flush_kernel_dcache_range_asm: +ENTRY(flush_kernel_dcache_range_asm) .proc .callinfo NO_CALLS .entry @@ -905,10 +887,9 @@ flush_kernel_dcache_range_asm: .exit .procend +ENDPROC(flush_kernel_dcache_range_asm) - .export flush_user_icache_range_asm - -flush_user_icache_range_asm: +ENTRY(flush_user_icache_range_asm) .proc .callinfo NO_CALLS .entry @@ -927,10 +908,9 @@ flush_user_icache_range_asm: .exit .procend +ENDPROC(flush_user_icache_range_asm) - .export flush_kernel_icache_page - -flush_kernel_icache_page: +ENTRY(flush_kernel_icache_page) .proc .callinfo NO_CALLS .entry @@ -971,10 +951,9 @@ flush_kernel_icache_page: .exit .procend +ENDPROC(flush_kernel_icache_page) - .export flush_kernel_icache_range_asm - -flush_kernel_icache_range_asm: +ENTRY(flush_kernel_icache_range_asm) .proc .callinfo NO_CALLS .entry @@ -992,14 +971,13 @@ flush_kernel_icache_range_asm: nop .exit .procend +ENDPROC(flush_kernel_icache_range_asm) /* align should cover use of rfi in disable_sr_hashing_asm and * srdis_done. */ .align 256 - .export disable_sr_hashing_asm,code - -disable_sr_hashing_asm: +ENTRY(disable_sr_hashing_asm) .proc .callinfo NO_CALLS .entry @@ -1088,5 +1066,6 @@ srdis_done: .exit .procend +ENDPROC(disable_sr_hashing_asm) .end diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c index 8f6a0b312f7..7aca704e96f 100644 --- a/arch/parisc/kernel/parisc_ksyms.c +++ b/arch/parisc/kernel/parisc_ksyms.c @@ -7,7 +7,7 @@ * Copyright (C) 2001-2003 Grant Grundler <grundler with parisc-linux.org> * Copyright (C) 2002-2003 Matthew Wilcox <willy at parisc-linux.org> * Copyright (C) 2002 Randolph Chung <tausq at parisc-linux.org> - * Copyright (C) 2002-2003 Helge Deller <deller with parisc-linux.org> + * Copyright (C) 2002-2007 Helge Deller <deller with parisc-linux.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -38,7 +38,7 @@ EXPORT_SYMBOL(__cmpxchg_u32); #ifdef CONFIG_SMP EXPORT_SYMBOL(__atomic_hash); #endif -#ifdef __LP64__ +#ifdef CONFIG_64BIT EXPORT_SYMBOL(__xchg64); EXPORT_SYMBOL(__cmpxchg_u64); #endif @@ -58,7 +58,7 @@ EXPORT_SYMBOL(fixup_get_user_skip_2); EXPORT_SYMBOL(fixup_put_user_skip_1); EXPORT_SYMBOL(fixup_put_user_skip_2); -#ifndef __LP64__ +#ifndef CONFIG_64BIT /* Needed so insmod can set dp value */ extern int $global$; EXPORT_SYMBOL($global$); @@ -135,7 +135,7 @@ EXPORT_SYMBOL(__muldi3); asmlinkage void * __canonicalize_funcptr_for_compare(void *); EXPORT_SYMBOL(__canonicalize_funcptr_for_compare); -#ifdef __LP64__ +#ifdef CONFIG_64BIT extern void __divdi3(void); extern void __udivdi3(void); extern void __umoddi3(void); @@ -147,7 +147,7 @@ EXPORT_SYMBOL(__umoddi3); EXPORT_SYMBOL(__moddi3); #endif -#ifndef __LP64__ +#ifndef CONFIG_64BIT extern void $$dyncall(void); EXPORT_SYMBOL($$dyncall); #endif diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index a6caf107308..0c3aecb85a5 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -342,7 +342,7 @@ pcxl_dma_init(void) pcxl_res_map = (char *)__get_free_pages(GFP_KERNEL, get_order(pcxl_res_size)); memset(pcxl_res_map, 0, pcxl_res_size); - proc_gsc_root = proc_mkdir("gsc", 0); + proc_gsc_root = proc_mkdir("gsc", NULL); if (!proc_gsc_root) printk(KERN_WARNING "pcxl_dma_init: Unable to create gsc /proc dir entry\n"); diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c index 199887a61c7..563df0072de 100644 --- a/arch/parisc/kernel/pci.c +++ b/arch/parisc/kernel/pci.c @@ -200,8 +200,8 @@ static void pcibios_link_hba_resources( struct resource *hba_res, struct resource *r) { if (!r->parent) { - printk(KERN_EMERG "PCI: resource not parented! [%lx-%lx]\n", - r->start, r->end); + printk(KERN_EMERG "PCI: resource not parented! [%p-%p]\n", + (void*) r->start, (void*) r->end); r->parent = hba_res; /* reverse link is harder *sigh* */ diff --git a/arch/parisc/kernel/perf_asm.S b/arch/parisc/kernel/perf_asm.S index 5e7bb90e7e0..43874ca3ed6 100644 --- a/arch/parisc/kernel/perf_asm.S +++ b/arch/parisc/kernel/perf_asm.S @@ -20,6 +20,7 @@ */ #include <asm/assembly.h> +#include <linux/linkage.h> #ifdef CONFIG_64BIT .level 2.0w @@ -41,10 +42,8 @@ ; starting/stopping the coprocessor with the pmenb/pmdis. ; .text - .align 32 - .export perf_intrigue_enable_perf_counters,code -perf_intrigue_enable_perf_counters: +ENTRY(perf_intrigue_enable_perf_counters) .proc .callinfo frame=0,NO_CALLS .entry @@ -69,9 +68,9 @@ perf_intrigue_enable_perf_counters: nop .exit .procend +ENDPROC(perf_intrigue_enable_perf_counters) - .export perf_intrigue_disable_perf_counters,code -perf_intrigue_disable_perf_counters: +ENTRY(perf_intrigue_disable_perf_counters) .proc .callinfo frame=0,NO_CALLS .entry @@ -86,6 +85,7 @@ perf_intrigue_disable_perf_counters: mtctl %r26,ccr ; turn off performance coprocessor .exit .procend +ENDPROC(perf_intrigue_disable_perf_counters) ;*********************************************************************** ;* @@ -117,8 +117,7 @@ perf_intrigue_disable_perf_counters: ;* ;*********************************************************************** - .export perf_rdr_shift_in_W,code -perf_rdr_shift_in_W: +ENTRY(perf_rdr_shift_in_W) .proc .callinfo frame=0,NO_CALLS .entry @@ -550,6 +549,7 @@ perf_rdr_shift_in_W_leave: .exit MTDIAG_2 (24) ; restore DR2 .procend +ENDPROC(perf_rdr_shift_in_W) ;*********************************************************************** @@ -575,8 +575,7 @@ perf_rdr_shift_in_W_leave: ;* ;*********************************************************************** - .export perf_rdr_shift_out_W,code -perf_rdr_shift_out_W: +ENTRY(perf_rdr_shift_out_W) .proc .callinfo frame=0,NO_CALLS .entry @@ -983,6 +982,7 @@ perf_rdr_shift_out_W_leave: .exit MTDIAG_2 (23) ; restore DR2 .procend +ENDPROC(perf_rdr_shift_out_W) ;*********************************************************************** @@ -1012,8 +1012,7 @@ perf_rdr_shift_out_W_leave: ;* ;*********************************************************************** - .export perf_rdr_shift_in_U,code -perf_rdr_shift_in_U: +ENTRY(perf_rdr_shift_in_U) .proc .callinfo frame=0,NO_CALLS .entry @@ -1343,6 +1342,7 @@ perf_rdr_shift_in_U_leave: .exit MTDIAG_2 (24) ; restore DR2 .procend +ENDPROC(perf_rdr_shift_in_U) ;*********************************************************************** ;* @@ -1369,8 +1369,7 @@ perf_rdr_shift_in_U_leave: ;* ;*********************************************************************** - .export perf_rdr_shift_out_U,code -perf_rdr_shift_out_U: +ENTRY(perf_rdr_shift_out_U) .proc .callinfo frame=0,NO_CALLS .entry @@ -1687,4 +1686,5 @@ perf_rdr_shift_out_U_leave: .exit MTDIAG_2 (23) ; restore DR2 .procend +ENDPROC(perf_rdr_shift_out_U) diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 2f9f9dfa66f..0dd3847f494 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -13,7 +13,7 @@ * Copyright (C) 2000 Grant Grundler <grundler with parisc-linux.org> * Copyright (C) 2001 Alan Modra <amodra at parisc-linux.org> * Copyright (C) 2001-2002 Ryan Bradetich <rbrad at parisc-linux.org> - * Copyright (C) 2001-2002 Helge Deller <deller at parisc-linux.org> + * Copyright (C) 2001-2007 Helge Deller <deller at parisc-linux.org> * Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org> * * @@ -303,7 +303,7 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp, * Copy function and argument to be called from * ret_from_kernel_thread. */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT cregs->gr[27] = pregs->gr[27]; #endif cregs->gr[26] = pregs->gr[26]; @@ -355,8 +355,8 @@ asmlinkage int sys_execve(struct pt_regs *regs) error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, (char __user **) regs->gr[25], - (char __user **) regs->gr[24], regs); + error = do_execve(filename, (char __user * __user *) regs->gr[25], + (char __user * __user *) regs->gr[24], regs); if (error == 0) { task_lock(current); current->ptrace &= ~PT_DTRACE; diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index fb81e5687e7..dd5d0cb6b34 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -48,6 +48,8 @@ EXPORT_SYMBOL(boot_cpu_data); struct cpuinfo_parisc cpu_data[NR_CPUS] __read_mostly; +extern int update_cr16_clocksource(void); /* from time.c */ + /* ** PARISC CPU driver - claim "device" and initialize CPU data structures. ** @@ -93,7 +95,7 @@ static int __init processor_probe(struct parisc_device *dev) cpuid = boot_cpu_data.cpu_count; txn_addr = dev->hpa.start; /* for legacy PDC */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT if (is_pdc_pat()) { ulong status; unsigned long bytecnt; @@ -153,8 +155,6 @@ static int __init processor_probe(struct parisc_device *dev) p->cpuid = cpuid; /* save CPU id */ p->txn_addr = txn_addr; /* save CPU IRQ address */ #ifdef CONFIG_SMP - spin_lock_init(&p->lock); - /* ** FIXME: review if any other initialization is clobbered ** for boot_cpu by the above memset(). @@ -200,6 +200,12 @@ static int __init processor_probe(struct parisc_device *dev) } #endif + /* If we've registered more than one cpu, + * we'll use the jiffies clocksource since cr16 + * is not synchronized between CPUs. + */ + update_cr16_clocksource(); + return 0; } @@ -311,11 +317,11 @@ int __init init_per_cpu(int cpunum) } else { printk(KERN_WARNING "WARNING: No FP CoProcessor?!" " (coproc_cfg.ccr_functional == 0x%lx, expected 0xc0)\n" -#ifdef __LP64__ +#ifdef CONFIG_64BIT "Halting Machine - FP required\n" #endif , coproc_cfg.ccr_functional); -#ifdef __LP64__ +#ifdef CONFIG_64BIT mdelay(100); /* previous chars get pushed to console */ panic("FP CoProc not reported"); #endif @@ -339,9 +345,6 @@ show_cpuinfo (struct seq_file *m, void *v) #ifdef CONFIG_SMP if (0 == cpu_data[n].hpa) continue; -#ifdef ENTRY_SYS_CPUS -#error iCOD support wants to show CPU state here -#endif #endif seq_printf(m, "processor\t: %d\n" "cpu family\t: PA-RISC %s\n", diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index 3f28de97455..0d0d617b6f2 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -36,7 +36,7 @@ #define DBG(x...) #endif -#ifdef __LP64__ +#ifdef CONFIG_64BIT /* This function is needed to translate 32 bit pt_regs offsets in to * 64 bit pt_regs offsets. For example, a 32 bit gdb under a 64 bit kernel @@ -90,7 +90,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_PEEKDATA: { int copied; -#ifdef __LP64__ +#ifdef CONFIG_64BIT if (__is_compat_task(child)) { unsigned int tmp; @@ -122,7 +122,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: ret = 0; -#ifdef __LP64__ +#ifdef CONFIG_64BIT if (__is_compat_task(child)) { unsigned int tmp = (unsigned int)data; DBG("sys_ptrace(POKE%s, %d, %lx, %lx)\n", @@ -145,7 +145,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) processes, the kernel saves all regs on a syscall. */ case PTRACE_PEEKUSR: { ret = -EIO; -#ifdef __LP64__ +#ifdef CONFIG_64BIT if (__is_compat_task(child)) { unsigned int tmp; @@ -204,7 +204,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = 0; goto out_tsk; } -#ifdef __LP64__ +#ifdef CONFIG_64BIT if (__is_compat_task(child)) { if (addr & (sizeof(int)-1)) goto out_tsk; diff --git a/arch/parisc/kernel/real2.S b/arch/parisc/kernel/real2.S index 789061f6ceb..7a92695d95a 100644 --- a/arch/parisc/kernel/real2.S +++ b/arch/parisc/kernel/real2.S @@ -11,6 +11,8 @@ #include <asm/psw.h> #include <asm/assembly.h> +#include <linux/linkage.h> + .section .bss .export real_stack .export real32_stack @@ -39,8 +41,6 @@ save_cr_end: .text - .export real32_call_asm - /* unsigned long real32_call_asm(unsigned int *sp, * unsigned int *arg0p, * unsigned int iodc_fn) @@ -49,7 +49,7 @@ save_cr_end: * iodc_fn is the IODC function to call */ -real32_call_asm: +ENTRY(real32_call_asm) STREG %rp, -RP_OFFSET(%sp) /* save RP */ #ifdef CONFIG_64BIT callee_save @@ -107,6 +107,7 @@ ric_ret: LDREG -RP_OFFSET(%sp), %rp /* restore RP */ bv 0(%rp) nop +ENDPROC(real32_call_asm) # define PUSH_CR(r, where) mfctl r, %r1 ! STREG,ma %r1, REG_SZ(where) @@ -218,7 +219,6 @@ rfi_r2v_1: /************************ 64-bit real-mode calls ***********************/ /* This is only usable in wide kernels right now and will probably stay so */ .text - .export real64_call_asm /* unsigned long real64_call_asm(unsigned long *sp, * unsigned long *arg0p, * unsigned long fn) @@ -226,7 +226,7 @@ rfi_r2v_1: * arg0p points to where saved arg values may be found * iodc_fn is the IODC function to call */ -real64_call_asm: +ENTRY(real64_call_asm) std %rp, -0x10(%sp) /* save RP */ std %sp, -8(%arg0) /* save SP on real-mode stack */ copy %arg0, %sp /* adopt the real-mode SP */ @@ -272,19 +272,21 @@ r64_ret: ldd -0x10(%sp), %rp /* restore RP */ bv 0(%rp) nop +ENDPROC(real64_call_asm) #endif - .export __canonicalize_funcptr_for_compare .text /* http://lists.parisc-linux.org/hypermail/parisc-linux/10916.html ** GCC 3.3 and later has a new function in libgcc.a for ** comparing function pointers. */ -__canonicalize_funcptr_for_compare: +ENTRY(__canonicalize_funcptr_for_compare) #ifdef CONFIG_64BIT bve (%r2) #else bv %r0(%r2) #endif copy %r26,%r28 +ENDPROC(__canonicalize_funcptr_for_compare) + diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index 74b3686dd1e..9818919571f 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -45,7 +45,7 @@ #include <asm/io.h> #include <asm/setup.h> -char __initdata command_line[COMMAND_LINE_SIZE] __read_mostly; +char __initdata command_line[COMMAND_LINE_SIZE]; /* Intended for ccio/sba/cpu statistics under /proc/bus/{runway|gsc} */ struct proc_dir_entry * proc_runway_root __read_mostly = NULL; @@ -120,13 +120,13 @@ extern void collect_boot_cpu_data(void); void __init setup_arch(char **cmdline_p) { -#ifdef __LP64__ +#ifdef CONFIG_64BIT extern int parisc_narrow_firmware; #endif init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT printk(KERN_INFO "The 64-bit Kernel has started...\n"); #else printk(KERN_INFO "The 32-bit Kernel has started...\n"); @@ -134,7 +134,7 @@ void __init setup_arch(char **cmdline_p) pdc_console_init(); -#ifdef __LP64__ +#ifdef CONFIG_64BIT if(parisc_narrow_firmware) { printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n"); } diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index ee6653edeb7..9784e405f84 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -59,58 +59,13 @@ * this. */ #define A(__x) ((unsigned long)(__x)) -int do_signal(sigset_t *oldset, struct pt_regs *regs, int in_syscall); - /* * Atomically swap in the new signal mask, and wait for a signal. */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT #include "sys32.h" #endif -asmlinkage int -sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, struct pt_regs *regs) -{ - sigset_t saveset, newset; -#ifdef __LP64__ - compat_sigset_t newset32; - - if (is_compat_task()) { - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(compat_sigset_t)) - return -EINVAL; - if (copy_from_user(&newset32, (compat_sigset_t __user *)unewset, sizeof(newset32))) - return -EFAULT; - sigset_32to64(&newset,&newset32); - - } else -#endif - { - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(sigset_t)) - return -EINVAL; - - if (copy_from_user(&newset, unewset, sizeof(newset))) - return -EFAULT; - } - - sigdelsetmask(&newset, ~_BLOCKABLE); - - spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; - current->blocked = newset; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - regs->gr[28] = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(&saveset, regs, 1)) - return -EINTR; - } -} - /* * Do a signal return - restore sigcontext. */ @@ -148,7 +103,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) sigset_t set; unsigned long usp = (regs->gr[30] & ~(0x01UL)); unsigned long sigframe_size = PARISC_RT_SIGFRAME_SIZE; -#ifdef __LP64__ +#ifdef CONFIG_64BIT compat_sigset_t compat_set; struct compat_rt_sigframe __user * compat_frame; @@ -162,7 +117,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) (usp - sigframe_size); DBG(2,"sys_rt_sigreturn: frame is %p\n", frame); -#ifdef __LP64__ +#ifdef CONFIG_64BIT compat_frame = (struct compat_rt_sigframe __user *)frame; if (is_compat_task()) { @@ -184,7 +139,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall) spin_unlock_irq(¤t->sighand->siglock); /* Good thing we saved the old gr[30], eh? */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT if (is_compat_task()) { DBG(1,"sys_rt_sigreturn: compat_frame->uc.uc_mcontext 0x%p\n", &compat_frame->uc.uc_mcontext); @@ -296,7 +251,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, unsigned long rp, usp; unsigned long haddr, sigframe_size; int err = 0; -#ifdef __LP64__ +#ifdef CONFIG_64BIT compat_int_t compat_val; struct compat_rt_sigframe __user * compat_frame; compat_sigset_t compat_set; @@ -310,7 +265,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, DBG(1,"setup_rt_frame: frame %p info %p\n", frame, info); -#ifdef __LP64__ +#ifdef CONFIG_64BIT compat_frame = (struct compat_rt_sigframe __user *)frame; @@ -390,7 +345,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, haddr = A(ka->sa.sa_handler); /* The sa_handler may be a pointer to a function descriptor */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT if (is_compat_task()) { #endif if (haddr & PA_PLABEL_FDESC) { @@ -405,7 +360,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, haddr = fdesc.addr; regs->gr[19] = fdesc.gp; } -#ifdef __LP64__ +#ifdef CONFIG_64BIT } else { Elf64_Fdesc fdesc; Elf64_Fdesc __user *ufdesc = (Elf64_Fdesc __user *)A(haddr & ~3); @@ -425,19 +380,19 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* The syscall return path will create IAOQ values from r31. */ sigframe_size = PARISC_RT_SIGFRAME_SIZE; -#ifdef __LP64__ +#ifdef CONFIG_64BIT if (is_compat_task()) sigframe_size = PARISC_RT_SIGFRAME_SIZE32; #endif if (in_syscall) { regs->gr[31] = haddr; -#ifdef __LP64__ +#ifdef CONFIG_64BIT if (!test_thread_flag(TIF_32BIT)) sigframe_size |= 1; #endif } else { unsigned long psw = USER_PSW; -#ifdef __LP64__ +#ifdef CONFIG_64BIT if (!test_thread_flag(TIF_32BIT)) psw |= PSW_W; #endif @@ -462,7 +417,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, regs->gr[2] = rp; /* userland return pointer */ regs->gr[26] = sig; /* signal number */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT if (is_compat_task()) { regs->gr[25] = A(&compat_frame->info); /* siginfo pointer */ regs->gr[24] = A(&compat_frame->uc); /* ucontext pointer */ @@ -516,6 +471,97 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, return 1; } +static inline void +syscall_restart(struct pt_regs *regs, struct k_sigaction *ka) +{ + /* Check the return code */ + switch (regs->gr[28]) { + case -ERESTART_RESTARTBLOCK: + current_thread_info()->restart_block.fn = + do_no_restart_syscall; + case -ERESTARTNOHAND: + DBG(1,"ERESTARTNOHAND: returning -EINTR\n"); + regs->gr[28] = -EINTR; + break; + + case -ERESTARTSYS: + if (!(ka->sa.sa_flags & SA_RESTART)) { + DBG(1,"ERESTARTSYS: putting -EINTR\n"); + regs->gr[28] = -EINTR; + break; + } + /* fallthrough */ + case -ERESTARTNOINTR: + /* A syscall is just a branch, so all + * we have to do is fiddle the return pointer. + */ + regs->gr[31] -= 8; /* delayed branching */ + /* Preserve original r28. */ + regs->gr[28] = regs->orig_r28; + break; + } +} + +static inline void +insert_restart_trampoline(struct pt_regs *regs) +{ + switch(regs->gr[28]) { + case -ERESTART_RESTARTBLOCK: { + /* Restart the system call - no handlers present */ + unsigned int *usp = (unsigned int *)regs->gr[30]; + + /* Setup a trampoline to restart the syscall + * with __NR_restart_syscall + * + * 0: <return address (orig r31)> + * 4: <2nd half for 64-bit> + * 8: ldw 0(%sp), %r31 + * 12: be 0x100(%sr2, %r0) + * 16: ldi __NR_restart_syscall, %r20 + */ +#ifdef CONFIG_64BIT + put_user(regs->gr[31] >> 32, &usp[0]); + put_user(regs->gr[31] & 0xffffffff, &usp[1]); + put_user(0x0fc010df, &usp[2]); +#else + put_user(regs->gr[31], &usp[0]); + put_user(0x0fc0109f, &usp[2]); +#endif + put_user(0xe0008200, &usp[3]); + put_user(0x34140000, &usp[4]); + + /* Stack is 64-byte aligned, and we only need + * to flush 1 cache line. + * Flushing one cacheline is cheap. + * "sync" on bigger (> 4 way) boxes is not. + */ + flush_icache_range(regs->gr[30], regs->gr[30] + 4); + + regs->gr[31] = regs->gr[30] + 8; + /* Preserve original r28. */ + regs->gr[28] = regs->orig_r28; + + return; + } + case -ERESTARTNOHAND: + case -ERESTARTSYS: + case -ERESTARTNOINTR: { + /* Hooray for delayed branching. We don't + * have to restore %r20 (the system call + * number) because it gets loaded in the delay + * slot of the branch external instruction. + */ + regs->gr[31] -= 8; + /* Preserve original r28. */ + regs->gr[28] = regs->orig_r28; + + return; + } + default: + break; + } +} + /* * Note that 'init' is a special process: it doesn't get signals it doesn't * want to handle. Thus you cannot kill init even with a SIGKILL even by @@ -527,13 +573,13 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, * registers). As noted below, the syscall number gets restored for * us due to the magic of delayed branching. */ - -asmlinkage int -do_signal(sigset_t *oldset, struct pt_regs *regs, int in_syscall) +asmlinkage void +do_signal(struct pt_regs *regs, long in_syscall) { siginfo_t info; struct k_sigaction ka; int signr; + sigset_t *oldset; DBG(1,"\ndo_signal: oldset=0x%p, regs=0x%p, sr7 %#lx, in_syscall=%d\n", oldset, regs, regs->sr[7], in_syscall); @@ -543,7 +589,9 @@ do_signal(sigset_t *oldset, struct pt_regs *regs, int in_syscall) we would be called in that case, but for some reason we are. */ - if (!oldset) + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + oldset = ¤t->saved_sigmask; + else oldset = ¤t->blocked; DBG(1,"do_signal: oldset %08lx / %08lx\n", @@ -560,98 +608,41 @@ do_signal(sigset_t *oldset, struct pt_regs *regs, int in_syscall) break; /* Restart a system call if necessary. */ - if (in_syscall) { - /* Check the return code */ - switch (regs->gr[28]) { - case -ERESTART_RESTARTBLOCK: - current_thread_info()->restart_block.fn = do_no_restart_syscall; - case -ERESTARTNOHAND: - DBG(1,"ERESTARTNOHAND: returning -EINTR\n"); - regs->gr[28] = -EINTR; - break; - - case -ERESTARTSYS: - if (!(ka.sa.sa_flags & SA_RESTART)) { - DBG(1,"ERESTARTSYS: putting -EINTR\n"); - regs->gr[28] = -EINTR; - break; - } - /* fallthrough */ - case -ERESTARTNOINTR: - /* A syscall is just a branch, so all - we have to do is fiddle the return pointer. */ - regs->gr[31] -= 8; /* delayed branching */ - /* Preserve original r28. */ - regs->gr[28] = regs->orig_r28; - break; - } - } + if (in_syscall) + syscall_restart(regs, &ka); + /* Whee! Actually deliver the signal. If the delivery failed, we need to continue to iterate in this loop so we can deliver the SIGSEGV... */ - if (handle_signal(signr, &info, &ka, oldset, regs, in_syscall)) { + if (handle_signal(signr, &info, &ka, oldset, + regs, in_syscall)) { DBG(1,KERN_DEBUG "do_signal: Exit (success), regs->gr[28] = %ld\n", regs->gr[28]); - return 1; + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + clear_thread_flag(TIF_RESTORE_SIGMASK); + return; } } /* end of while(1) looping forever if we can't force a signal */ /* Did we come from a system call? */ - if (in_syscall) { - /* Restart the system call - no handlers present */ - if (regs->gr[28] == -ERESTART_RESTARTBLOCK) { - unsigned int *usp = (unsigned int *)regs->gr[30]; - - /* Setup a trampoline to restart the syscall - * with __NR_restart_syscall - * - * 0: <return address (orig r31)> - * 4: <2nd half for 64-bit> - * 8: ldw 0(%sp), %r31 - * 12: be 0x100(%sr2, %r0) - * 16: ldi __NR_restart_syscall, %r20 - */ -#ifndef __LP64__ - put_user(regs->gr[31], &usp[0]); - put_user(0x0fc0109f, &usp[2]); -#else - put_user(regs->gr[31] >> 32, &usp[0]); - put_user(regs->gr[31] & 0xffffffff, &usp[1]); - put_user(0x0fc010df, &usp[2]); -#endif - put_user(0xe0008200, &usp[3]); - put_user(0x34140000, &usp[4]); - - /* Stack is 64-byte aligned, and we only need - * to flush 1 cache line. - * Flushing one cacheline is cheap. - * "sync" on bigger (> 4 way) boxes is not. - */ - asm("fdc %%r0(%%sr3, %0)\n" - "sync\n" - "fic %%r0(%%sr3, %0)\n" - "sync\n" - : : "r"(regs->gr[30])); - - regs->gr[31] = regs->gr[30] + 8; - /* Preserve original r28. */ - regs->gr[28] = regs->orig_r28; - } else if (regs->gr[28] == -ERESTARTNOHAND || - regs->gr[28] == -ERESTARTSYS || - regs->gr[28] == -ERESTARTNOINTR) { - /* Hooray for delayed branching. We don't - have to restore %r20 (the system call - number) because it gets loaded in the delay - slot of the branch external instruction. */ - regs->gr[31] -= 8; - /* Preserve original r28. */ - regs->gr[28] = regs->orig_r28; - } - } + if (in_syscall) + insert_restart_trampoline(regs); DBG(1,"do_signal: Exit (not delivered), regs->gr[28] = %ld\n", regs->gr[28]); - return 0; + if (test_thread_flag(TIF_RESTORE_SIGMASK)) { + clear_thread_flag(TIF_RESTORE_SIGMASK); + sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + } + + return; +} + +void do_notify_resume(struct pt_regs *regs, long in_syscall) +{ + if (test_thread_flag(TIF_SIGPENDING) || + test_thread_flag(TIF_RESTORE_SIGMASK)) + do_signal(regs, in_syscall); } diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c index a6b4231cafa..1c1a37f7305 100644 --- a/arch/parisc/kernel/signal32.c +++ b/arch/parisc/kernel/signal32.c @@ -1,6 +1,8 @@ /* Signal support for 32-bit kernel builds * * Copyright (C) 2001 Matthew Wilcox <willy at parisc-linux.org> + * Copyright (C) 2006 Kyle McMartin <kyle at parisc-linux.org> + * * Code was mostly borrowed from kernel/signal.c. * See kernel/signal.c for additional Copyrights. * @@ -401,7 +403,7 @@ setup_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __ int copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from) { - unsigned long tmp; + compat_uptr_t addr; int err; if (!access_ok(VERIFY_READ, from, sizeof(compat_siginfo_t))) @@ -424,8 +426,8 @@ copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from) err |= __get_user(to->si_uid, &from->si_uid); break; case __SI_FAULT >> 16: - err |= __get_user(tmp, &from->si_addr); - to->si_addr = (void __user *) tmp; + err |= __get_user(addr, &from->si_addr); + to->si_addr = compat_ptr(addr); break; case __SI_POLL >> 16: err |= __get_user(to->si_band, &from->si_band); @@ -445,7 +447,8 @@ copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from) int copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from) { - unsigned int addr; + compat_uptr_t addr; + compat_int_t val; int err; if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t))) @@ -474,8 +477,8 @@ copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from) err |= __put_user(from->si_uid, &to->si_uid); break; case __SI_FAULT >> 16: - /* avoid type-checking warnings by copying _pad[0] in lieu of si_addr... */ - err |= __put_user(from->_sifields._pad[0], &to->si_addr); + addr = ptr_to_compat(from->si_addr); + err |= __put_user(addr, &to->si_addr); break; case __SI_POLL >> 16: err |= __put_user(from->si_band, &to->si_band); @@ -484,17 +487,36 @@ copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from) case __SI_TIMER >> 16: err |= __put_user(from->si_tid, &to->si_tid); err |= __put_user(from->si_overrun, &to->si_overrun); - addr = (unsigned long) from->si_ptr; - err |= __put_user(addr, &to->si_ptr); + val = (compat_int_t)from->si_int; + err |= __put_user(val, &to->si_int); break; case __SI_RT >> 16: /* Not generated by the kernel as of now. */ case __SI_MESGQ >> 16: err |= __put_user(from->si_uid, &to->si_uid); err |= __put_user(from->si_pid, &to->si_pid); - addr = (unsigned long) from->si_ptr; - err |= __put_user(addr, &to->si_ptr); + val = (compat_int_t)from->si_int; + err |= __put_user(val, &to->si_int); break; } } return err; } + +asmlinkage long compat_sys_rt_sigqueueinfo(int pid, int sig, + struct compat_siginfo __user *uinfo) +{ + siginfo_t info; + + if (copy_siginfo_from_user32(&info, uinfo)) + return -EFAULT; + + /* Not even root can pretend to send signals from the kernel. + Nor can they impersonate a kill(), which adds source info. */ + if (info.si_code >= 0) + return -EPERM; + info.si_signo = sig; + + /* POSIX.1b doesn't mention process groups. */ + return kill_proc_info(sig, &info, pid); +} + diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 12cc019307a..6ba9257fdb7 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -16,9 +16,6 @@ ** the Free Software Foundation; either version 2 of the License, or ** (at your option) any later version. */ -#undef ENTRY_SYS_CPUS /* syscall support for iCOD-like functionality */ - - #include <linux/types.h> #include <linux/spinlock.h> #include <linux/slab.h> @@ -51,7 +48,15 @@ #include <asm/unistd.h> #include <asm/cacheflush.h> -#define kDEBUG 0 +#undef DEBUG_SMP +#ifdef DEBUG_SMP +static int smp_debug_lvl = 0; +#define smp_debug(lvl, printargs...) \ + if (lvl >= smp_debug_lvl) \ + printk(printargs); +#else +#define smp_debug(lvl, ...) +#endif /* DEBUG_SMP */ DEFINE_SPINLOCK(smp_lock); @@ -76,6 +81,7 @@ cpumask_t cpu_possible_map __read_mostly = CPU_MASK_ALL; /* Bitmap of Present CP EXPORT_SYMBOL(cpu_online_map); EXPORT_SYMBOL(cpu_possible_map); +DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED; struct smp_call_struct { void (*func) (void *info); @@ -107,13 +113,6 @@ enum ipi_message_type { static void ipi_init(int cpuid) { - - /* If CPU is present ... */ -#ifdef ENTRY_SYS_CPUS - /* *and* running (not stopped) ... */ -#error iCOD support wants state checked here. -#endif - #error verify IRQ_OFFSET(IPI_IRQ) is ipi_interrupt() in new IRQ region if(cpu_online(cpuid) ) @@ -133,23 +132,12 @@ ipi_init(int cpuid) static void halt_processor(void) { -#ifdef ENTRY_SYS_CPUS -#error halt_processor() needs rework -/* -** o migrate I/O interrupts off this CPU. -** o leave IPI enabled - __cli() will disable IPI. -** o leave CPU in online map - just change the state -*/ - cpu_data[this_cpu].state = STATE_STOPPED; - mark_bh(IPI_BH); -#else /* REVISIT : redirect I/O Interrupts to another CPU? */ /* REVISIT : does PM *know* this CPU isn't available? */ cpu_clear(smp_processor_id(), cpu_online_map); local_irq_disable(); for (;;) ; -#endif } @@ -167,10 +155,11 @@ ipi_interrupt(int irq, void *dev_id) mb(); /* Order interrupt and bit testing. */ for (;;) { - spin_lock_irqsave(&(p->lock),flags); + spinlock_t *lock = &per_cpu(ipi_lock, this_cpu); + spin_lock_irqsave(lock, flags); ops = p->pending_ipi; p->pending_ipi = 0; - spin_unlock_irqrestore(&(p->lock),flags); + spin_unlock_irqrestore(lock, flags); mb(); /* Order bit clearing and data access. */ @@ -184,15 +173,11 @@ ipi_interrupt(int irq, void *dev_id) switch (which) { case IPI_NOP: -#if (kDEBUG>=100) - printk(KERN_DEBUG "CPU%d IPI_NOP\n",this_cpu); -#endif /* kDEBUG */ + smp_debug(100, KERN_DEBUG "CPU%d IPI_NOP\n", this_cpu); break; case IPI_RESCHEDULE: -#if (kDEBUG>=100) - printk(KERN_DEBUG "CPU%d IPI_RESCHEDULE\n",this_cpu); -#endif /* kDEBUG */ + smp_debug(100, KERN_DEBUG "CPU%d IPI_RESCHEDULE\n", this_cpu); /* * Reschedule callback. Everything to be * done is done by the interrupt return path. @@ -200,9 +185,7 @@ ipi_interrupt(int irq, void *dev_id) break; case IPI_CALL_FUNC: -#if (kDEBUG>=100) - printk(KERN_DEBUG "CPU%d IPI_CALL_FUNC\n",this_cpu); -#endif /* kDEBUG */ + smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC\n", this_cpu); { volatile struct smp_call_struct *data; void (*func)(void *info); @@ -233,28 +216,16 @@ ipi_interrupt(int irq, void *dev_id) break; case IPI_CPU_START: -#if (kDEBUG>=100) - printk(KERN_DEBUG "CPU%d IPI_CPU_START\n",this_cpu); -#endif /* kDEBUG */ -#ifdef ENTRY_SYS_CPUS - p->state = STATE_RUNNING; -#endif + smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_START\n", this_cpu); break; case IPI_CPU_STOP: -#if (kDEBUG>=100) - printk(KERN_DEBUG "CPU%d IPI_CPU_STOP\n",this_cpu); -#endif /* kDEBUG */ -#ifdef ENTRY_SYS_CPUS -#else + smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_STOP\n", this_cpu); halt_processor(); -#endif break; case IPI_CPU_TEST: -#if (kDEBUG>=100) - printk(KERN_DEBUG "CPU%d is alive!\n",this_cpu); -#endif /* kDEBUG */ + smp_debug(100, KERN_DEBUG "CPU%d is alive!\n", this_cpu); break; default: @@ -275,12 +246,13 @@ static inline void ipi_send(int cpu, enum ipi_message_type op) { struct cpuinfo_parisc *p = &cpu_data[cpu]; + spinlock_t *lock = &per_cpu(ipi_lock, cpu); unsigned long flags; - spin_lock_irqsave(&(p->lock),flags); + spin_lock_irqsave(lock, flags); p->pending_ipi |= 1 << op; gsc_writel(IPI_IRQ - CPU_IRQ_BASE, cpu_data[cpu].hpa); - spin_unlock_irqrestore(&(p->lock),flags); + spin_unlock_irqrestore(lock, flags); } @@ -560,13 +532,8 @@ int __init smp_boot_one_cpu(int cpuid) alive: /* Remember the Slave data */ -#if (kDEBUG>=100) - printk(KERN_DEBUG "SMP: CPU:%d came alive after %ld _us\n", + smp_debug(100, KERN_DEBUG "SMP: CPU:%d came alive after %ld _us\n", cpuid, timeout * 100); -#endif /* kDEBUG */ -#ifdef ENTRY_SYS_CPUS - cpu_data[cpuid].state = STATE_RUNNING; -#endif return 0; } @@ -574,10 +541,6 @@ void __devinit smp_prepare_boot_cpu(void) { int bootstrap_processor=cpu_data[0].cpuid; /* CPU ID of BSP */ -#ifdef ENTRY_SYS_CPUS - cpu_data[0].state = STATE_RUNNING; -#endif - /* Setup BSP mappings */ printk("SMP: bootstrap CPU ID is %d\n",bootstrap_processor); @@ -616,101 +579,6 @@ int __cpuinit __cpu_up(unsigned int cpu) return cpu_online(cpu) ? 0 : -ENOSYS; } - - -#ifdef ENTRY_SYS_CPUS -/* Code goes along with: -** entry.s: ENTRY_NAME(sys_cpus) / * 215, for cpu stat * / -*/ -int sys_cpus(int argc, char **argv) -{ - int i,j=0; - extern int current_pid(int cpu); - - if( argc > 2 ) { - printk("sys_cpus:Only one argument supported\n"); - return (-1); - } - if ( argc == 1 ){ - -#ifdef DUMP_MORE_STATE - for_each_online_cpu(i) { - int cpus_per_line = 4; - - if (j++ % cpus_per_line) - printk(" %3d",i); - else - printk("\n %3d",i); - } - printk("\n"); -#else - printk("\n 0\n"); -#endif - } else if((argc==2) && !(strcmp(argv[1],"-l"))) { - printk("\nCPUSTATE TASK CPUNUM CPUID HARDCPU(HPA)\n"); -#ifdef DUMP_MORE_STATE - for_each_online_cpu(i) { - if (cpu_data[i].cpuid != NO_PROC_ID) { - switch(cpu_data[i].state) { - case STATE_RENDEZVOUS: - printk("RENDEZVS "); - break; - case STATE_RUNNING: - printk((current_pid(i)!=0) ? "RUNNING " : "IDLING "); - break; - case STATE_STOPPED: - printk("STOPPED "); - break; - case STATE_HALTED: - printk("HALTED "); - break; - default: - printk("%08x?", cpu_data[i].state); - break; - } - if(cpu_online(i)) { - printk(" %4d",current_pid(i)); - } - printk(" %6d",cpu_number_map(i)); - printk(" %5d",i); - printk(" 0x%lx\n",cpu_data[i].hpa); - } - } -#else - printk("\n%s %4d 0 0 --------", - (current->pid)?"RUNNING ": "IDLING ",current->pid); -#endif - } else if ((argc==2) && !(strcmp(argv[1],"-s"))) { -#ifdef DUMP_MORE_STATE - printk("\nCPUSTATE CPUID\n"); - for_each_online_cpu(i) { - if (cpu_data[i].cpuid != NO_PROC_ID) { - switch(cpu_data[i].state) { - case STATE_RENDEZVOUS: - printk("RENDEZVS");break; - case STATE_RUNNING: - printk((current_pid(i)!=0) ? "RUNNING " : "IDLING"); - break; - case STATE_STOPPED: - printk("STOPPED ");break; - case STATE_HALTED: - printk("HALTED ");break; - default: - } - printk(" %5d\n",i); - } - } -#else - printk("\n%s CPU0",(current->pid==0)?"RUNNING ":"IDLING "); -#endif - } else { - printk("sys_cpus:Unknown request\n"); - return (-1); - } - return 0; -} -#endif /* ENTRY_SYS_CPUS */ - #ifdef CONFIG_PROC_FS int __init setup_profiling_timer(unsigned int multiplier) diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index a0580042930..10859f53e94 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -12,27 +12,23 @@ #include <asm/errno.h> #include <asm/psw.h> #include <asm/thread_info.h> - #include <asm/assembly.h> #include <asm/processor.h> +#include <linux/linkage.h> + /* We fill the empty parts of the gateway page with * something that will kill the kernel or a * userspace application. */ #define KILL_INSN break 0,0 -#ifdef CONFIG_64BIT - .level 2.0w -#else - .level 1.1 -#endif + .level LEVEL .text .import syscall_exit,code .import syscall_exit_rfi,code - .export linux_gateway_page /* Linux gateway page is aliased to virtual page 0 in the kernel * address space. Since it is a gateway page it cannot be @@ -43,7 +39,7 @@ */ .align ASM_PAGE_SIZE -linux_gateway_page: +ENTRY(linux_gateway_page) /* ADDRESS 0x00 to 0xb0 = 176 bytes / 4 bytes per insn = 44 insns */ .rept 44 @@ -595,73 +591,43 @@ cas_action: the other for the store. Either return -EFAULT. Each of the entries must be relocated. */ .section __ex_table,"aw" -#ifdef CONFIG_64BIT - /* Pad the address calculation */ - .word 0,(2b - linux_gateway_page) - .word 0,(3b - linux_gateway_page) -#else - .word (2b - linux_gateway_page) - .word (3b - linux_gateway_page) -#endif + ASM_ULONG_INSN (1b - linux_gateway_page), (3b - linux_gateway_page) + ASM_ULONG_INSN (2b - linux_gateway_page), (3b - linux_gateway_page) .previous - .section __ex_table,"aw" -#ifdef CONFIG_64BIT - /* Pad the address calculation */ - .word 0,(1b - linux_gateway_page) - .word 0,(3b - linux_gateway_page) -#else - .word (1b - linux_gateway_page) - .word (3b - linux_gateway_page) -#endif - .previous - -end_compare_and_swap: /* Make sure nothing else is placed on this page */ .align ASM_PAGE_SIZE - .export end_linux_gateway_page -end_linux_gateway_page: +END(linux_gateway_page) +ENTRY(end_linux_gateway_page) /* Relocate symbols assuming linux_gateway_page is mapped to virtual address 0x0 */ -#ifdef CONFIG_64BIT - /* FIXME: The code will always be on the gateay page - and thus it will be on the first 4k, the - assembler seems to think that the final - subtraction result is only a word in - length, so we pad the value. - */ -#define LWS_ENTRY(_name_) .word 0,(lws_##_name_ - linux_gateway_page) -#else -#define LWS_ENTRY(_name_) .word (lws_##_name_ - linux_gateway_page) -#endif + +#define LWS_ENTRY(_name_) ASM_ULONG_INSN (lws_##_name_ - linux_gateway_page) .section .rodata,"a" .align ASM_PAGE_SIZE /* Light-weight-syscall table */ /* Start of lws table. */ - .export lws_table -.Llws_table: -lws_table: +ENTRY(lws_table) LWS_ENTRY(compare_and_swap32) /* 0 - ELF32 Atomic compare and swap */ LWS_ENTRY(compare_and_swap64) /* 1 - ELF64 Atomic compare and swap */ +END(lws_table) /* End of lws table */ .align ASM_PAGE_SIZE - .export sys_call_table -.Lsys_call_table: -sys_call_table: +ENTRY(sys_call_table) #include "syscall_table.S" +END(sys_call_table) #ifdef CONFIG_64BIT .align ASM_PAGE_SIZE - .export sys_call_table64 -.Lsys_call_table64: -sys_call_table64: +ENTRY(sys_call_table64) #define SYSCALL_TABLE_64BIT #include "syscall_table.S" +END(sys_call_table64) #endif #ifdef CONFIG_SMP @@ -671,9 +637,7 @@ sys_call_table64: */ .section .data .align 4096 - .export lws_lock_start -.Llws_lock_start: -lws_lock_start: +ENTRY(lws_lock_start) /* lws locks */ .align 16 .rept 16 @@ -683,6 +647,7 @@ lws_lock_start: .word 0 .word 0 .endr +END(lws_lock_start) .previous #endif /* CONFIG_SMP for lws_lock_start */ diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index be8eb9a0d24..8bf87e5d9c3 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -10,7 +10,7 @@ * Copyright (C) 2000 Grant Grundler <grundler at parisc-linux.org> * Copyright (C) 2001 Richard Hirst <rhirst with parisc-linux.org> * Copyright (C) 2001-2002 Ryan Bradetich <rbrad at parisc-linux.org> - * Copyright (C) 2001 Helge Deller <deller at parisc-linux.org> + * Copyright (C) 2001-2007 Helge Deller <deller at parisc-linux.org> * Copyright (C) 2000-2001 Thomas Bogendoerfer <tsbogend at parisc-linux.org> * Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org> * Copyright (C) 2005-2006 Kyle McMartin <kyle at parisc-linux.org> @@ -282,8 +282,8 @@ * to worry about faulting trying to copy in a larger 64-bit * struct from a 32-bit user-space app. */ - ENTRY_SAME(rt_sigqueueinfo) - ENTRY_SAME(rt_sigsuspend_wrapper) /* not really SAME -- see the code */ + ENTRY_COMP(rt_sigqueueinfo) + ENTRY_COMP(rt_sigsuspend) ENTRY_SAME(chown) /* 180 */ /* setsockopt() used by iptables: SO_SET_REPLACE/SO_SET_ADD_COUNTERS */ ENTRY_COMP(setsockopt) @@ -377,9 +377,9 @@ ENTRY_SAME(inotify_init) ENTRY_SAME(inotify_add_watch) /* 270 */ ENTRY_SAME(inotify_rm_watch) - ENTRY_SAME(ni_syscall) /* 271 ENTRY_COMP(pselect6) */ - ENTRY_SAME(ni_syscall) /* 272 ENTRY_COMP(ppoll) */ ENTRY_SAME(migrate_pages) + ENTRY_COMP(pselect6) + ENTRY_COMP(ppoll) ENTRY_COMP(openat) /* 275 */ ENTRY_SAME(mkdirat) ENTRY_SAME(mknodat) @@ -399,5 +399,11 @@ ENTRY_SAME(splice) ENTRY_OURS(sync_file_range) ENTRY_SAME(tee) + ENTRY_COMP(vmsplice) + ENTRY_COMP(move_pages) /* 295 */ + ENTRY_SAME(getcpu) + ENTRY_SAME(epoll_pwait) + ENTRY_COMP(statfs64) + ENTRY_COMP(fstatfs64) /* Nothing yet */ diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index 5f1b51af06a..07a991aa9b0 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -22,6 +22,7 @@ #include <linux/init.h> #include <linux/smp.h> #include <linux/profile.h> +#include <linux/clocksource.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -98,7 +99,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) * cycles after the IT fires. But it's arbitrary how much time passes * before we call it "late". I've picked one second. */ - if (ticks_elapsed > HZ) { + if (unlikely(ticks_elapsed > HZ)) { /* Scenario 3: very long delay? bad in any case */ printk (KERN_CRIT "timer_interrupt(CPU %d): delayed!" " cycles %lX rem %lX " @@ -147,10 +148,6 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) write_sequnlock(&xtime_lock); } - /* check soft power switch status */ - if (cpu == 0 && !atomic_read(&power_tasklet.count)) - tasklet_schedule(&power_tasklet); - return IRQ_HANDLED; } @@ -172,121 +169,43 @@ unsigned long profile_pc(struct pt_regs *regs) EXPORT_SYMBOL(profile_pc); -/* - * Return the number of micro-seconds that elapsed since the last - * update to wall time (aka xtime). The xtime_lock - * must be at least read-locked when calling this routine. - */ -static inline unsigned long gettimeoffset (void) -{ -#ifndef CONFIG_SMP - /* - * FIXME: This won't work on smp because jiffies are updated by cpu 0. - * Once parisc-linux learns the cr16 difference between processors, - * this could be made to work. - */ - unsigned long now; - unsigned long prev_tick; - unsigned long next_tick; - unsigned long elapsed_cycles; - unsigned long usec; - unsigned long cpuid = smp_processor_id(); - unsigned long cpt = clocktick; - - next_tick = cpu_data[cpuid].it_value; - now = mfctl(16); /* Read the hardware interval timer. */ - - prev_tick = next_tick - cpt; - - /* Assume Scenario 1: "now" is later than prev_tick. */ - elapsed_cycles = now - prev_tick; - -/* aproximate HZ with shifts. Intended math is "(elapsed/clocktick) > HZ" */ -#if HZ == 1000 - if (elapsed_cycles > (cpt << 10) ) -#elif HZ == 250 - if (elapsed_cycles > (cpt << 8) ) -#elif HZ == 100 - if (elapsed_cycles > (cpt << 7) ) -#else -#warn WTF is HZ set to anyway? - if (elapsed_cycles > (HZ * cpt) ) -#endif - { - /* Scenario 3: clock ticks are missing. */ - printk (KERN_CRIT "gettimeoffset(CPU %ld): missing %ld ticks!" - " cycles %lX prev/now/next %lX/%lX/%lX clock %lX\n", - cpuid, elapsed_cycles / cpt, - elapsed_cycles, prev_tick, now, next_tick, cpt); - } - - /* FIXME: Can we improve the precision? Not with PAGE0. */ - usec = (elapsed_cycles * 10000) / PAGE0->mem_10msec; - return usec; -#else - return 0; -#endif -} +/* clock source code */ -void -do_gettimeofday (struct timeval *tv) +static cycle_t read_cr16(void) { - unsigned long flags, seq, usec, sec; - - /* Hold xtime_lock and adjust timeval. */ - do { - seq = read_seqbegin_irqsave(&xtime_lock, flags); - usec = gettimeoffset(); - sec = xtime.tv_sec; - usec += (xtime.tv_nsec / 1000); - } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); - - /* Move adjusted usec's into sec's. */ - while (usec >= USEC_PER_SEC) { - usec -= USEC_PER_SEC; - ++sec; - } - - /* Return adjusted result. */ - tv->tv_sec = sec; - tv->tv_usec = usec; + return get_cycles(); } -EXPORT_SYMBOL(do_gettimeofday); +static struct clocksource clocksource_cr16 = { + .name = "cr16", + .rating = 300, + .read = read_cr16, + .mask = CLOCKSOURCE_MASK(BITS_PER_LONG), + .mult = 0, /* to be set */ + .shift = 22, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; -int -do_settimeofday (struct timespec *tv) +#ifdef CONFIG_SMP +int update_cr16_clocksource(void) { - time_t wtm_sec, sec = tv->tv_sec; - long wtm_nsec, nsec = tv->tv_nsec; - - if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) - return -EINVAL; - - write_seqlock_irq(&xtime_lock); - { - /* - * This is revolting. We need to set "xtime" - * correctly. However, the value in this location is - * the value at the most recent update of wall time. - * Discover what correction gettimeofday would have - * done, and then undo it! - */ - nsec -= gettimeoffset() * 1000; + int change = 0; - wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); - wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); - - set_normalized_timespec(&xtime, sec, nsec); - set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); - - ntp_clear(); + /* since the cr16 cycle counters are not syncronized across CPUs, + we'll check if we should switch to a safe clocksource: */ + if (clocksource_cr16.rating != 0 && num_online_cpus() > 1) { + clocksource_change_rating(&clocksource_cr16, 0); + change = 1; } - write_sequnlock_irq(&xtime_lock); - clock_was_set(); - return 0; + + return change; } -EXPORT_SYMBOL(do_settimeofday); +#else +int update_cr16_clocksource(void) +{ + return 0; /* no change */ +} +#endif /*CONFIG_SMP*/ void __init start_cpu_itimer(void) { @@ -301,11 +220,18 @@ void __init start_cpu_itimer(void) void __init time_init(void) { static struct pdc_tod tod_data; + unsigned long current_cr16_khz; clocktick = (100 * PAGE0->mem_10msec) / HZ; start_cpu_itimer(); /* get CPU 0 started */ + /* register at clocksource framework */ + current_cr16_khz = PAGE0->mem_10msec/10; /* kHz */ + clocksource_cr16.mult = clocksource_khz2mult(current_cr16_khz, + clocksource_cr16.shift); + clocksource_register(&clocksource_cr16); + if (pdc_tod_read(&tod_data) == 0) { unsigned long flags; diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 65cd6ca32fe..55bc1471967 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -26,6 +26,7 @@ #include <linux/interrupt.h> #include <linux/console.h> #include <linux/kallsyms.h> +#include <linux/bug.h> #include <asm/assembly.h> #include <asm/system.h> @@ -39,6 +40,8 @@ #include <asm/pdc.h> #include <asm/pdc_chassis.h> #include <asm/unwind.h> +#include <asm/tlbflush.h> +#include <asm/cacheflush.h> #include "../math-emu/math-emu.h" /* for handle_fpe() */ @@ -49,7 +52,7 @@ DEFINE_SPINLOCK(pa_dbit_lock); #endif -int printbinary(char *buf, unsigned long x, int nbits) +static int printbinary(char *buf, unsigned long x, int nbits) { unsigned long mask = 1UL << (nbits - 1); while (mask != 0) { @@ -61,7 +64,7 @@ int printbinary(char *buf, unsigned long x, int nbits) return nbits; } -#ifdef __LP64__ +#ifdef CONFIG_64BIT #define RFMT "%016lx" #else #define RFMT "%08lx" @@ -160,13 +163,13 @@ static void do_show_stack(struct unwind_frame_info *info) { int i = 1; - printk("Backtrace:\n"); + printk(KERN_CRIT "Backtrace:\n"); while (i <= 16) { if (unwind_once(info) < 0 || info->ip == 0) break; if (__kernel_text_address(info->ip)) { - printk(" [<" RFMT ">] ", info->ip); + printk("%s [<" RFMT ">] ", (i&0x3)==1 ? KERN_CRIT : "", info->ip); #ifdef CONFIG_KALLSYMS print_symbol("%s\n", info->ip); #else @@ -185,18 +188,19 @@ void show_stack(struct task_struct *task, unsigned long *s) if (!task) { unsigned long sp; - struct pt_regs *r; HERE: asm volatile ("copy %%r30, %0" : "=r"(sp)); - r = kzalloc(sizeof(struct pt_regs), GFP_KERNEL); - if (!r) - return; - r->iaoq[0] = (unsigned long)&&HERE; - r->gr[2] = (unsigned long)__builtin_return_address(0); - r->gr[30] = sp; - unwind_frame_init(&info, current, r); - kfree(r); + { + struct pt_regs r; + + memset(&r, 0, sizeof(struct pt_regs)); + r.iaoq[0] = (unsigned long)&&HERE; + r.gr[2] = (unsigned long)__builtin_return_address(0); + r.gr[30] = sp; + + unwind_frame_init(&info, current, &r); + } } else { unwind_frame_init_from_blocked_task(&info, task); } @@ -204,6 +208,11 @@ HERE: do_show_stack(&info); } +int is_valid_bugaddr(unsigned long iaoq) +{ + return 1; +} + void die_if_kernel(char *str, struct pt_regs *regs, long err) { if (user_mode(regs)) { @@ -222,15 +231,15 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err) oops_in_progress = 1; /* Amuse the user in a SPARC fashion */ - printk( -" _______________________________ \n" -" < Your System ate a SPARC! Gah! >\n" -" ------------------------------- \n" -" \\ ^__^\n" -" \\ (xx)\\_______\n" -" (__)\\ )\\/\\\n" -" U ||----w |\n" -" || ||\n"); + if (err) printk( +KERN_CRIT " _______________________________ \n" +KERN_CRIT " < Your System ate a SPARC! Gah! >\n" +KERN_CRIT " ------------------------------- \n" +KERN_CRIT " \\ ^__^\n" +KERN_CRIT " \\ (xx)\\_______\n" +KERN_CRIT " (__)\\ )\\/\\\n" +KERN_CRIT " U ||----w |\n" +KERN_CRIT " || ||\n"); /* unlock the pdc lock if necessary */ pdc_emergency_unlock(); @@ -242,9 +251,20 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err) if (!console_drivers) pdc_console_restart(); - printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n", - current->comm, current->pid, str, err); + if (err) + printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n", + current->comm, current->pid, str, err); + + /* Wot's wrong wif bein' racy? */ + if (current->thread.flags & PARISC_KERNEL_DEATH) { + printk(KERN_CRIT "%s() recursion detected.\n", __FUNCTION__); + local_irq_enable(); + while (1); + } + current->thread.flags |= PARISC_KERNEL_DEATH; + show_regs(regs); + dump_stack(); if (in_interrupt()) panic("Fatal exception in interrupt"); @@ -255,14 +275,6 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err) panic("Fatal exception"); } - /* Wot's wrong wif bein' racy? */ - if (current->thread.flags & PARISC_KERNEL_DEATH) { - printk(KERN_CRIT "%s() recursion detected.\n", __FUNCTION__); - local_irq_enable(); - while (1); - } - - current->thread.flags |= PARISC_KERNEL_DEATH; do_exit(SIGSEGV); } @@ -273,61 +285,45 @@ int syscall_ipi(int (*syscall) (struct pt_regs *), struct pt_regs *regs) /* gdb uses break 4,8 */ #define GDB_BREAK_INSN 0x10004 -void handle_gdb_break(struct pt_regs *regs, int wot) +static void handle_gdb_break(struct pt_regs *regs, int wot) { struct siginfo si; - si.si_code = wot; - si.si_addr = (void __user *) (regs->iaoq[0] & ~3); si.si_signo = SIGTRAP; si.si_errno = 0; + si.si_code = wot; + si.si_addr = (void __user *) (regs->iaoq[0] & ~3); force_sig_info(SIGTRAP, &si, current); } -void handle_break(unsigned iir, struct pt_regs *regs) +static void handle_break(struct pt_regs *regs) { - struct siginfo si; - - switch(iir) { - case 0x00: -#ifdef PRINT_USER_FAULTS - printk(KERN_DEBUG "break 0,0: pid=%d command='%s'\n", - current->pid, current->comm); -#endif - die_if_kernel("Breakpoint", regs, 0); -#ifdef PRINT_USER_FAULTS - show_regs(regs); -#endif - si.si_code = TRAP_BRKPT; - si.si_addr = (void __user *) (regs->iaoq[0] & ~3); - si.si_signo = SIGTRAP; - force_sig_info(SIGTRAP, &si, current); - break; - - case GDB_BREAK_INSN: - die_if_kernel("Breakpoint", regs, 0); - handle_gdb_break(regs, TRAP_BRKPT); - break; + unsigned iir = regs->iir; + + if (unlikely(iir == PARISC_BUG_BREAK_INSN && !user_mode(regs))) { + /* check if a BUG() or WARN() trapped here. */ + enum bug_trap_type tt; + tt = report_bug(regs->iaoq[0] & ~3); + if (tt == BUG_TRAP_TYPE_WARN) { + regs->iaoq[0] += 4; + regs->iaoq[1] += 4; + return; /* return to next instruction when WARN_ON(). */ + } + die_if_kernel("Unknown kernel breakpoint", regs, + (tt == BUG_TRAP_TYPE_NONE) ? 9 : 0); + } - default: #ifdef PRINT_USER_FAULTS - printk(KERN_DEBUG "break %#08x: pid=%d command='%s'\n", - iir, current->pid, current->comm); + if (unlikely(iir != GDB_BREAK_INSN)) { + printk(KERN_DEBUG "break %d,%d: pid=%d command='%s'\n", + iir & 31, (iir>>13) & ((1<<13)-1), + current->pid, current->comm); show_regs(regs); -#endif - si.si_signo = SIGTRAP; - si.si_code = TRAP_BRKPT; - si.si_addr = (void __user *) (regs->iaoq[0] & ~3); - force_sig_info(SIGTRAP, &si, current); - return; } -} - +#endif -int handle_toc(void) -{ - printk(KERN_CRIT "TOC call.\n"); - return 0; + /* send standard GDB signal */ + handle_gdb_break(regs, TRAP_BRKPT); } static void default_trap(int code, struct pt_regs *regs) @@ -336,7 +332,7 @@ static void default_trap(int code, struct pt_regs *regs) show_regs(regs); } -void (*cpu_lpmc) (int code, struct pt_regs *regs) = default_trap; +void (*cpu_lpmc) (int code, struct pt_regs *regs) __read_mostly = default_trap; void transfer_pim_to_trap_frame(struct pt_regs *regs) @@ -554,7 +550,8 @@ void handle_interruption(int code, struct pt_regs *regs) /* Low-priority machine check */ pdc_chassis_send_status(PDC_CHASSIS_DIRECT_LPMC); - flush_all_caches(); + flush_cache_all(); + flush_tlb_all(); cpu_lpmc(5, regs); return; @@ -572,7 +569,7 @@ void handle_interruption(int code, struct pt_regs *regs) case 9: /* Break instruction trap */ - handle_break(regs->iir,regs); + handle_break(regs); return; case 10: @@ -840,7 +837,7 @@ int __init check_ivt(void *iva) return 0; } -#ifndef __LP64__ +#ifndef CONFIG_64BIT extern const void fault_vector_11; #endif extern const void fault_vector_20; @@ -852,7 +849,7 @@ void __init trap_init(void) if (boot_cpu_data.cpu_type >= pcxu) iva = (void *) &fault_vector_20; else -#ifdef __LP64__ +#ifdef CONFIG_64BIT panic("Can't boot 64-bit OS on PA1.1 processor!"); #else iva = (void *) &fault_vector_11; diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c index bd2230d6a2a..347bb922e6d 100644 --- a/arch/parisc/kernel/unaligned.c +++ b/arch/parisc/kernel/unaligned.c @@ -20,8 +20,11 @@ * */ +#include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/sched.h> +#include <linux/signal.h> #include <asm/uaccess.h> /* #define DEBUG_UNALIGNED 1 */ @@ -32,7 +35,7 @@ #define DPRINTF(fmt, args...) #endif -#ifdef __LP64__ +#ifdef CONFIG_64BIT #define RFMT "%016lx" #else #define RFMT "%08lx" @@ -147,15 +150,8 @@ static int emulate_ldh(struct pt_regs *regs, int toreg) "4: ldi -2, %1\n" FIXUP_BRANCH(3b) " .previous\n" -" .section __ex_table,\"aw\"\n" -#ifdef __LP64__ -" .dword 1b,4b\n" -" .dword 2b,4b\n" -#else -" .word 1b,4b\n" -" .word 2b,4b\n" -#endif -" .previous\n" + ASM_EXCEPTIONTABLE_ENTRY(1b, 4b) + ASM_EXCEPTIONTABLE_ENTRY(2b, 4b) : "=r" (val), "=r" (ret) : "0" (val), "r" (saddr), "r" (regs->isr) : "r20", FIXUP_BRANCH_CLOBBER ); @@ -192,15 +188,8 @@ static int emulate_ldw(struct pt_regs *regs, int toreg, int flop) "4: ldi -2, %1\n" FIXUP_BRANCH(3b) " .previous\n" -" .section __ex_table,\"aw\"\n" -#ifdef __LP64__ -" .dword 1b,4b\n" -" .dword 2b,4b\n" -#else -" .word 1b,4b\n" -" .word 2b,4b\n" -#endif -" .previous\n" + ASM_EXCEPTIONTABLE_ENTRY(1b, 4b) + ASM_EXCEPTIONTABLE_ENTRY(2b, 4b) : "=r" (val), "=r" (ret) : "0" (val), "r" (saddr), "r" (regs->isr) : "r19", "r20", FIXUP_BRANCH_CLOBBER ); @@ -224,7 +213,7 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop) regs->isr, regs->ior, toreg); #ifdef CONFIG_PA20 -#ifndef __LP64__ +#ifndef CONFIG_64BIT if (!flop) return -1; #endif @@ -243,15 +232,8 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop) "4: ldi -2, %1\n" FIXUP_BRANCH(3b) " .previous\n" -" .section __ex_table,\"aw\"\n" -#ifdef __LP64__ -" .dword 1b,4b\n" -" .dword 2b,4b\n" -#else -" .word 1b,4b\n" -" .word 2b,4b\n" -#endif -" .previous\n" + ASM_EXCEPTIONTABLE_ENTRY(1b,4b) + ASM_EXCEPTIONTABLE_ENTRY(2b,4b) : "=r" (val), "=r" (ret) : "0" (val), "r" (saddr), "r" (regs->isr) : "r19", "r20", FIXUP_BRANCH_CLOBBER ); @@ -275,17 +257,9 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop) "5: ldi -2, %2\n" FIXUP_BRANCH(4b) " .previous\n" -" .section __ex_table,\"aw\"\n" -#ifdef __LP64__ -" .dword 1b,5b\n" -" .dword 2b,5b\n" -" .dword 3b,5b\n" -#else -" .word 1b,5b\n" -" .word 2b,5b\n" -" .word 3b,5b\n" -#endif -" .previous\n" + ASM_EXCEPTIONTABLE_ENTRY(1b,5b) + ASM_EXCEPTIONTABLE_ENTRY(2b,5b) + ASM_EXCEPTIONTABLE_ENTRY(3b,5b) : "=r" (valh), "=r" (vall), "=r" (ret) : "0" (valh), "1" (vall), "r" (saddr), "r" (regs->isr) : "r19", "r20", FIXUP_BRANCH_CLOBBER ); @@ -325,15 +299,8 @@ static int emulate_sth(struct pt_regs *regs, int frreg) "4: ldi -2, %0\n" FIXUP_BRANCH(3b) " .previous\n" -" .section __ex_table,\"aw\"\n" -#ifdef __LP64__ -" .dword 1b,4b\n" -" .dword 2b,4b\n" -#else -" .word 1b,4b\n" -" .word 2b,4b\n" -#endif -" .previous\n" + ASM_EXCEPTIONTABLE_ENTRY(1b,4b) + ASM_EXCEPTIONTABLE_ENTRY(2b,4b) : "=r" (ret) : "r" (val), "r" (regs->ior), "r" (regs->isr) : "r19", FIXUP_BRANCH_CLOBBER ); @@ -379,15 +346,8 @@ static int emulate_stw(struct pt_regs *regs, int frreg, int flop) "4: ldi -2, %0\n" FIXUP_BRANCH(3b) " .previous\n" -" .section __ex_table,\"aw\"\n" -#ifdef __LP64__ -" .dword 1b,4b\n" -" .dword 2b,4b\n" -#else -" .word 1b,4b\n" -" .word 2b,4b\n" -#endif -" .previous\n" + ASM_EXCEPTIONTABLE_ENTRY(1b,4b) + ASM_EXCEPTIONTABLE_ENTRY(2b,4b) : "=r" (ret) : "r" (val), "r" (regs->ior), "r" (regs->isr) : "r19", "r20", "r21", "r22", "r1", FIXUP_BRANCH_CLOBBER ); @@ -410,7 +370,7 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop) val, regs->isr, regs->ior); #ifdef CONFIG_PA20 -#ifndef __LP64__ +#ifndef CONFIG_64BIT if (!flop) return -1; #endif @@ -436,19 +396,10 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop) "6: ldi -2, %0\n" FIXUP_BRANCH(5b) " .previous\n" -" .section __ex_table,\"aw\"\n" -#ifdef __LP64__ -" .dword 1b,6b\n" -" .dword 2b,6b\n" -" .dword 3b,6b\n" -" .dword 4b,6b\n" -#else -" .word 1b,6b\n" -" .word 2b,6b\n" -" .word 3b,6b\n" -" .word 4b,6b\n" -#endif -" .previous\n" + ASM_EXCEPTIONTABLE_ENTRY(1b,6b) + ASM_EXCEPTIONTABLE_ENTRY(2b,6b) + ASM_EXCEPTIONTABLE_ENTRY(3b,6b) + ASM_EXCEPTIONTABLE_ENTRY(4b,6b) : "=r" (ret) : "r" (val), "r" (regs->ior), "r" (regs->isr) : "r19", "r20", "r21", "r22", "r1", FIXUP_BRANCH_CLOBBER ); @@ -479,21 +430,11 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop) "7: ldi -2, %0\n" FIXUP_BRANCH(6b) " .previous\n" -" .section __ex_table,\"aw\"\n" -#ifdef __LP64__ -" .dword 1b,7b\n" -" .dword 2b,7b\n" -" .dword 3b,7b\n" -" .dword 4b,7b\n" -" .dword 5b,7b\n" -#else -" .word 1b,7b\n" -" .word 2b,7b\n" -" .word 3b,7b\n" -" .word 4b,7b\n" -" .word 5b,7b\n" -#endif -" .previous\n" + ASM_EXCEPTIONTABLE_ENTRY(1b,7b) + ASM_EXCEPTIONTABLE_ENTRY(2b,7b) + ASM_EXCEPTIONTABLE_ENTRY(3b,7b) + ASM_EXCEPTIONTABLE_ENTRY(4b,7b) + ASM_EXCEPTIONTABLE_ENTRY(5b,7b) : "=r" (ret) : "r" (valh), "r" (vall), "r" (regs->ior), "r" (regs->isr) : "r19", "r20", "r21", "r1", FIXUP_BRANCH_CLOBBER ); diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index c10ab47d81f..5f75b3e6598 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -10,6 +10,7 @@ #include <linux/kernel.h> #include <linux/init.h> +#include <linux/sched.h> #include <linux/slab.h> #include <linux/kallsyms.h> diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S index 3b78c2794c3..2a8253358c6 100644 --- a/arch/parisc/kernel/vmlinux.lds.S +++ b/arch/parisc/kernel/vmlinux.lds.S @@ -68,6 +68,8 @@ SECTIONS RODATA + BUG_TABLE + /* writeable */ . = ALIGN(ASM_PAGE_SIZE); /* Make sure this is page aligned so that we can properly leave these diff --git a/arch/parisc/lib/bitops.c b/arch/parisc/lib/bitops.c index f352666b5b2..e3eb739fab1 100644 --- a/arch/parisc/lib/bitops.c +++ b/arch/parisc/lib/bitops.c @@ -17,7 +17,7 @@ raw_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned = { }; #endif -#ifdef __LP64__ +#ifdef CONFIG_64BIT unsigned long __xchg64(unsigned long x, unsigned long *ptr) { unsigned long temp, flags; @@ -56,7 +56,7 @@ unsigned long __xchg8(char x, char *ptr) } -#ifdef __LP64__ +#ifdef CONFIG_64BIT unsigned long __cmpxchg_u64(volatile unsigned long *ptr, unsigned long old, unsigned long new) { unsigned long flags; diff --git a/arch/parisc/lib/fixup.S b/arch/parisc/lib/fixup.S index ecce3d35401..d172d4245cd 100644 --- a/arch/parisc/lib/fixup.S +++ b/arch/parisc/lib/fixup.S @@ -22,6 +22,7 @@ #include <asm/asm-offsets.h> #include <asm/assembly.h> #include <asm/errno.h> +#include <linux/linkage.h> #ifdef CONFIG_SMP .macro get_fault_ip t1 t2 @@ -30,7 +31,7 @@ /* t2 = smp_processor_id() */ mfctl 30,\t2 ldw TI_CPU(\t2),\t2 -#ifdef __LP64__ +#ifdef CONFIG_64BIT extrd,u \t2,63,32,\t2 #endif /* t2 = &__per_cpu_offset[smp_processor_id()]; */ @@ -58,33 +59,34 @@ .section .fixup, "ax" /* get_user() fixups, store -EFAULT in r8, and 0 in r9 */ - .export fixup_get_user_skip_1 -fixup_get_user_skip_1: +ENTRY(fixup_get_user_skip_1) get_fault_ip %r1,%r8 ldo 4(%r1), %r1 ldi -EFAULT, %r8 bv %r0(%r1) copy %r0, %r9 +ENDPROC(fixup_get_user_skip_1) - .export fixup_get_user_skip_2 -fixup_get_user_skip_2: +ENTRY(fixup_get_user_skip_2) get_fault_ip %r1,%r8 ldo 8(%r1), %r1 ldi -EFAULT, %r8 bv %r0(%r1) copy %r0, %r9 +ENDPROC(fixup_get_user_skip_2) /* put_user() fixups, store -EFAULT in r8 */ - .export fixup_put_user_skip_1 -fixup_put_user_skip_1: +ENTRY(fixup_put_user_skip_1) get_fault_ip %r1,%r8 ldo 4(%r1), %r1 bv %r0(%r1) ldi -EFAULT, %r8 +ENDPROC(fixup_put_user_skip_1) - .export fixup_put_user_skip_2 -fixup_put_user_skip_2: +ENTRY(fixup_put_user_skip_2) get_fault_ip %r1,%r8 ldo 8(%r1), %r1 bv %r0(%r1) ldi -EFAULT, %r8 +ENDPROC(fixup_put_user_skip_2) + diff --git a/arch/parisc/lib/lusercopy.S b/arch/parisc/lib/lusercopy.S index a0509855c9a..1bd23ccec17 100644 --- a/arch/parisc/lib/lusercopy.S +++ b/arch/parisc/lib/lusercopy.S @@ -37,6 +37,7 @@ #include <asm/assembly.h> #include <asm/errno.h> +#include <linux/linkage.h> /* * get_sr gets the appropriate space value into @@ -67,8 +68,7 @@ * otherwise strlen (i.e. excludes zero byte) */ - .export lstrncpy_from_user,code -lstrncpy_from_user: +ENTRY(lstrncpy_from_user) .proc .callinfo NO_CALLS .entry @@ -87,6 +87,7 @@ $lsfu_exit: bv %r0(%r2) nop .exit +ENDPROC(lstrncpy_from_user) .section .fixup,"ax" 3: fixup_branch $lsfu_exit @@ -94,13 +95,8 @@ $lsfu_exit: .previous .section __ex_table,"aw" -#ifdef __LP64__ - .dword 1b,3b - .dword 2b,3b -#else - .word 1b,3b - .word 2b,3b -#endif + ASM_ULONG_INSN 1b,3b + ASM_ULONG_INSN 2b,3b .previous .procend @@ -112,8 +108,7 @@ $lsfu_exit: * otherwise, returns number of bytes not transferred. */ - .export lclear_user,code -lclear_user: +ENTRY(lclear_user) .proc .callinfo NO_CALLS .entry @@ -127,6 +122,7 @@ $lclu_done: bv %r0(%r2) copy %r25,%r28 .exit +ENDPROC(lclear_user) .section .fixup,"ax" 2: fixup_branch $lclu_done @@ -134,11 +130,7 @@ $lclu_done: .previous .section __ex_table,"aw" -#ifdef __LP64__ - .dword 1b,2b -#else - .word 1b,2b -#endif + ASM_ULONG_INSN 1b,2b .previous .procend @@ -151,8 +143,7 @@ $lclu_done: * else strlen + 1 (i.e. includes zero byte). */ - .export lstrnlen_user,code -lstrnlen_user: +ENTRY(lstrnlen_user) .proc .callinfo NO_CALLS .entry @@ -172,6 +163,7 @@ $lslen_done: $lslen_nzero: b $lslen_done ldo 1(%r26),%r26 /* special case for N == 0 */ +ENDPROC(lstrnlen_user) .section .fixup,"ax" 3: fixup_branch $lslen_done @@ -179,13 +171,8 @@ $lslen_nzero: .previous .section __ex_table,"aw" -#ifdef __LP64__ - .dword 1b,3b - .dword 2b,3b -#else - .word 1b,3b - .word 2b,3b -#endif + ASM_ULONG_INSN 1b,3b + ASM_ULONG_INSN 2b,3b .previous .procend diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index 5575e41f9d6..2c43ebe99a9 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -96,30 +96,18 @@ DECLARE_PER_CPU(struct exception_data, exception_data); #define DPRINTF(fmt, args...) #endif -#ifndef __LP64__ -#define EXC_WORD ".word" -#else -#define EXC_WORD ".dword" -#endif - #define def_load_ai_insn(_insn,_sz,_tt,_s,_a,_t,_e) \ __asm__ __volatile__ ( \ - "1:\t" #_insn ",ma " #_sz "(" _s ",%1), %0\n" \ - "\t.section __ex_table,\"aw\"\n" \ - "\t" EXC_WORD "\t1b\n" \ - "\t" EXC_WORD "\t" #_e "\n" \ - "\t.previous\n" \ + "1:\t" #_insn ",ma " #_sz "(" _s ",%1), %0\n\t" \ + ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \ : _tt(_t), "+r"(_a) \ : \ : "r8") #define def_store_ai_insn(_insn,_sz,_tt,_s,_a,_t,_e) \ __asm__ __volatile__ ( \ - "1:\t" #_insn ",ma %1, " #_sz "(" _s ",%0)\n" \ - "\t.section __ex_table,\"aw\"\n" \ - "\t" EXC_WORD "\t1b\n" \ - "\t" EXC_WORD "\t" #_e "\n" \ - "\t.previous\n" \ + "1:\t" #_insn ",ma %1, " #_sz "(" _s ",%0)\n\t" \ + ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \ : "+r"(_a) \ : _tt(_t) \ : "r8") @@ -133,22 +121,16 @@ DECLARE_PER_CPU(struct exception_data, exception_data); #define def_load_insn(_insn,_tt,_s,_o,_a,_t,_e) \ __asm__ __volatile__ ( \ - "1:\t" #_insn " " #_o "(" _s ",%1), %0\n" \ - "\t.section __ex_table,\"aw\"\n" \ - "\t" EXC_WORD "\t1b\n" \ - "\t" EXC_WORD "\t" #_e "\n" \ - "\t.previous\n" \ + "1:\t" #_insn " " #_o "(" _s ",%1), %0\n\t" \ + ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \ : _tt(_t) \ : "r"(_a) \ : "r8") #define def_store_insn(_insn,_tt,_s,_t,_o,_a,_e) \ __asm__ __volatile__ ( \ - "1:\t" #_insn " %0, " #_o "(" _s ",%1)\n" \ - "\t.section __ex_table,\"aw\"\n" \ - "\t" EXC_WORD "\t1b\n" \ - "\t" EXC_WORD "\t" #_e "\n" \ - "\t.previous\n" \ + "1:\t" #_insn " %0, " #_o "(" _s ",%1)\n\t" \ + ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \ : \ : _tt(_t), "r"(_a) \ : "r8") @@ -167,8 +149,8 @@ extern inline void prefetch_dst(const void *addr) __asm__("ldd 0(" d_space ",%0), %%r0" : : "r" (addr)); } #else -#define prefetch_src(addr) -#define prefetch_dst(addr) +#define prefetch_src(addr) do { } while(0) +#define prefetch_dst(addr) do { } while(0) #endif /* Copy from a not-aligned src to an aligned dst, using shifts. Handles 4 words diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index 641f9c920ee..f6f67554c62 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -24,10 +24,6 @@ /* dumped to the console via printk) */ -/* Defines for parisc_acctyp() */ -#define READ 0 -#define WRITE 1 - /* Various important other fields */ #define bit22set(x) (x & 0x00000200) #define bits23_25set(x) (x & 0x000001c0) diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 12117db0043..75ea9f2a8a4 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -6,7 +6,7 @@ * changed by Philipp Rumpf * Copyright 1999 Philipp Rumpf (prumpf@tux.org) * Copyright 2004 Randolph Chung (tausq@debian.org) - * Copyright 2006 Helge Deller (deller@gmx.de) + * Copyright 2006-2007 Helge Deller (deller@gmx.de) * */ @@ -24,6 +24,7 @@ #include <linux/pagemap.h> /* for release_pages and page_cache_release */ #include <asm/pgalloc.h> +#include <asm/pgtable.h> #include <asm/tlb.h> #include <asm/pdc_chassis.h> #include <asm/mmzone.h> @@ -65,11 +66,11 @@ static struct resource sysram_resources[MAX_PHYSMEM_RANGES] __read_mostly; physmem_range_t pmem_ranges[MAX_PHYSMEM_RANGES] __read_mostly; int npmem_ranges __read_mostly; -#ifdef __LP64__ +#ifdef CONFIG_64BIT #define MAX_MEM (~0UL) -#else /* !__LP64__ */ +#else /* !CONFIG_64BIT */ #define MAX_MEM (3584U*1024U*1024U) -#endif /* !__LP64__ */ +#endif /* !CONFIG_64BIT */ static unsigned long mem_limit __read_mostly = MAX_MEM; @@ -452,6 +453,8 @@ unsigned long pcxl_dma_start __read_mostly; void __init mem_init(void) { + int codesize, reservedpages, datasize, initsize; + high_memory = __va((max_pfn << PAGE_SHIFT)); #ifndef CONFIG_DISCONTIGMEM @@ -466,7 +469,32 @@ void __init mem_init(void) } #endif - printk(KERN_INFO "Memory: %luk available\n", num_physpages << (PAGE_SHIFT-10)); + codesize = (unsigned long)_etext - (unsigned long)_text; + datasize = (unsigned long)_edata - (unsigned long)_etext; + initsize = (unsigned long)__init_end - (unsigned long)__init_begin; + + reservedpages = 0; +{ + unsigned long pfn; +#ifdef CONFIG_DISCONTIGMEM + int i; + + for (i = 0; i < npmem_ranges; i++) { + for (pfn = node_start_pfn(i); pfn < node_end_pfn(i); pfn++) { + if (PageReserved(pfn_to_page(pfn))) + reservedpages++; + } + } +#else /* !CONFIG_DISCONTIGMEM */ + for (pfn = 0; pfn < max_pfn; pfn++) { + /* + * Only count reserved RAM pages + */ + if (PageReserved(pfn_to_page(pfn))) + reservedpages++; + } +#endif +} #ifdef CONFIG_PA11 if (hppa_dma_ops == &pcxl_dma_ops) { @@ -480,6 +508,38 @@ void __init mem_init(void) vmalloc_start = SET_MAP_OFFSET(MAP_START); #endif + printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init)\n", + (unsigned long)nr_free_pages() << (PAGE_SHIFT-10), + num_physpages << (PAGE_SHIFT-10), + codesize >> 10, + reservedpages << (PAGE_SHIFT-10), + datasize >> 10, + initsize >> 10 + ); + +#ifdef CONFIG_DEBUG_KERNEL /* double-sanity-check paranoia */ + printk("virtual kernel memory layout:\n" + " vmalloc : 0x%p - 0x%p (%4ld MB)\n" + " memory : 0x%p - 0x%p (%4ld MB)\n" + " .init : 0x%p - 0x%p (%4ld kB)\n" + " .data : 0x%p - 0x%p (%4ld kB)\n" + " .text : 0x%p - 0x%p (%4ld kB)\n", + + (void*)VMALLOC_START, (void*)VMALLOC_END, + (VMALLOC_END - VMALLOC_START) >> 20, + + __va(0), high_memory, + ((unsigned long)high_memory - (unsigned long)__va(0)) >> 20, + + __init_begin, __init_end, + ((unsigned long)__init_end - (unsigned long)__init_begin) >> 10, + + _etext, _edata, + ((unsigned long)_edata - (unsigned long)_etext) >> 10, + + _text, _etext, + ((unsigned long)_etext - (unsigned long)_text) >> 10); +#endif } unsigned long *empty_zero_page __read_mostly; @@ -547,7 +607,7 @@ void show_mem(void) printk("Zone list for zone %d on node %d: ", j, i); for (k = 0; zl->zones[k] != NULL; k++) - printk("[%d/%s] ", zone_to_nid(zl->zones[k]), zl->zones[k]->name); + printk("[%ld/%s] ", zone_to_nid(zl->zones[k]), zl->zones[k]->name); printk("\n"); } } diff --git a/arch/parisc/mm/ioremap.c b/arch/parisc/mm/ioremap.c index 44b42c7f639..92d496ad07c 100644 --- a/arch/parisc/mm/ioremap.c +++ b/arch/parisc/mm/ioremap.c @@ -26,7 +26,7 @@ */ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags) { - void *addr; + void __iomem *addr; struct vm_struct *area; unsigned long offset, last_addr; pgprot_t pgprot; @@ -80,14 +80,14 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l if (!area) return NULL; - addr = area->addr; + addr = (void __iomem *) area->addr; if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size, phys_addr, pgprot)) { vfree(addr); return NULL; } - return (void __iomem *) (offset + (char *)addr); + return (void __iomem *) (offset + (char __iomem *)addr); } EXPORT_SYMBOL(__ioremap); diff --git a/arch/parisc/mm/kmap.c b/arch/parisc/mm/kmap.c deleted file mode 100644 index 1b1acd5e2f6..00000000000 --- a/arch/parisc/mm/kmap.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * kmap/page table map and unmap support routines - * - * Copyright 1999,2000 Hewlett-Packard Company - * Copyright 2000 John Marvin <jsm at hp.com> - * Copyright 2000 Grant Grundler <grundler at parisc-linux.org> - * Copyright 2000 Philipp Rumpf <prumpf@tux.org> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -/* -** Stolen mostly from arch/parisc/kernel/pci-dma.c -*/ - -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/string.h> -#include <linux/pci.h> - -#include <linux/slab.h> -#include <linux/vmalloc.h> - -#include <asm/uaccess.h> -#include <asm/pgalloc.h> - -#include <asm/io.h> -#include <asm/page.h> /* get_order */ - -#undef flush_cache_all -#define flush_cache_all flush_all_caches - -typedef void (*pte_iterator_t) (pte_t * pte, unsigned long arg); - -#if 0 -/* XXX This routine could be used with iterate_page() to replace - * unmap_uncached_page() and save a little code space but I didn't - * do that since I'm not certain whether this is the right path. -PB - */ -static void unmap_cached_pte(pte_t * pte, unsigned long addr, unsigned long arg) -{ - pte_t page = *pte; - pte_clear(&init_mm, addr, pte); - if (!pte_none(page)) { - if (pte_present(page)) { - unsigned long map_nr = pte_pagenr(page); - if (map_nr < max_mapnr) - __free_page(mem_map + map_nr); - } else { - printk(KERN_CRIT - "Whee.. Swapped out page in kernel page table\n"); - } - } -} -#endif - -/* These two routines should probably check a few things... */ -static void set_uncached(pte_t * pte, unsigned long arg) -{ - pte_val(*pte) |= _PAGE_NO_CACHE; -} - -static void set_cached(pte_t * pte, unsigned long arg) -{ - pte_val(*pte) &= ~_PAGE_NO_CACHE; -} - -static inline void iterate_pte(pmd_t * pmd, unsigned long address, - unsigned long size, pte_iterator_t op, - unsigned long arg) -{ - pte_t *pte; - unsigned long end; - - if (pmd_none(*pmd)) - return; - if (pmd_bad(*pmd)) { - pmd_ERROR(*pmd); - pmd_clear(pmd); - return; - } - pte = pte_offset(pmd, address); - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - op(pte, arg); - address += PAGE_SIZE; - pte++; - } while (address < end); -} - -static inline void iterate_pmd(pgd_t * dir, unsigned long address, - unsigned long size, pte_iterator_t op, - unsigned long arg) -{ - pmd_t *pmd; - unsigned long end; - - if (pgd_none(*dir)) - return; - if (pgd_bad(*dir)) { - pgd_ERROR(*dir); - pgd_clear(dir); - return; - } - pmd = pmd_offset(dir, address); - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - do { - iterate_pte(pmd, address, end - address, op, arg); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address < end); -} - -static void iterate_pages(unsigned long address, unsigned long size, - pte_iterator_t op, unsigned long arg) -{ - pgd_t *dir; - unsigned long end = address + size; - - dir = pgd_offset_k(address); - flush_cache_all(); - do { - iterate_pmd(dir, address, end - address, op, arg); - address = (address + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } while (address && (address < end)); - flush_tlb_all(); -} - -void -kernel_set_cachemode(unsigned long vaddr, unsigned long size, int what) -{ - switch (what) { - case IOMAP_FULL_CACHING: - iterate_pages(vaddr, size, set_cached, 0); - flush_tlb_range(NULL, vaddr, size); - break; - case IOMAP_NOCACHE_SER: - iterate_pages(vaddr, size, set_uncached, 0); - flush_tlb_range(NULL, vaddr, size); - break; - default: - printk(KERN_CRIT - "kernel_set_cachemode mode %d not understood\n", - what); - break; - } -} diff --git a/arch/parisc/oprofile/init.c b/arch/parisc/oprofile/init.c index a5b898c4d0b..113f5139f55 100644 --- a/arch/parisc/oprofile/init.c +++ b/arch/parisc/oprofile/init.c @@ -18,6 +18,6 @@ int __init oprofile_arch_init(struct oprofile_operations * ops) } -void oprofile_arch_exit() +void oprofile_arch_exit(void) { } diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 7ec4ac77c0f..e4006dc087c 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -225,6 +225,22 @@ static struct cpu_spec cpu_specs[] = { .oprofile_type = PPC_OPROFILE_POWER4, .platform = "ppc970", }, + { /* PPC970MP DD1.0 - no DEEPNAP, use regular 970 init */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x00440100, + .cpu_name = "PPC970MP", + .cpu_features = CPU_FTRS_PPC970, + .cpu_user_features = COMMON_USER_POWER4 | + PPC_FEATURE_HAS_ALTIVEC_COMP, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 8, + .cpu_setup = __setup_cpu_ppc970, + .cpu_restore = __restore_cpu_ppc970, + .oprofile_cpu_type = "ppc64/970MP", + .oprofile_type = PPC_OPROFILE_POWER4, + .platform = "ppc970", + }, { /* PPC970MP */ .pvr_mask = 0xffff0000, .pvr_value = 0x00440000, diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 919fbf56849..10093082685 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -968,7 +968,6 @@ void pci_scan_msi_device(struct pci_dev *dev) {} int pci_enable_msix(struct pci_dev* dev, struct msix_entry *entries, int nvec) {return -1;} void pci_disable_msix(struct pci_dev *dev) {} void msi_remove_pci_irq_vectors(struct pci_dev *dev) {} -void disable_msi_mode(struct pci_dev *dev, int pos, int type) {} void pci_no_msi(void) {} EXPORT_SYMBOL(pci_enable_msix); EXPORT_SYMBOL(pci_disable_msix); diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index ea6fd552c7e..91b443c9a48 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -916,7 +916,7 @@ EXPORT_SYMBOL_GPL(of_irq_map_raw); static int of_irq_map_oldworld(struct device_node *device, int index, struct of_irq *out_irq) { - const u32 *ints; + const u32 *ints = NULL; int intlen; /* diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c index e5d81916687..8aa9a93e2aa 100644 --- a/arch/powerpc/platforms/83xx/mpc834x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c @@ -55,9 +55,9 @@ static int mpc834x_usb_cfg(void) struct device_node *np = NULL; int port0_is_dr = 0; - if ((np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL) + if ((np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr")) != NULL) port0_is_dr = 1; - if ((np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL){ + if ((np = of_find_compatible_node(NULL, "usb", "fsl-usb2-mph")) != NULL){ if (port0_is_dr) { printk(KERN_WARNING "There is only one USB port on PB board! \n"); @@ -103,8 +103,8 @@ static int mpc834x_usb_cfg(void) return -1; /* - * if MDS board is plug into PIB board, - * force to use the PHY on MDS board + * if Processor Board is plugged into PIB board, + * force to use the PHY on Processor Board */ bcsr5 = in_8(bcsr_regs + 5); if (!(bcsr5 & BCSR5_INT_USB)) diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index eb661ccf2da..e764c0aced8 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -47,6 +47,7 @@ config MPC85xx bool select PPC_UDBG_16550 select PPC_INDIRECT_PCI + select SERIAL_8250_SHARE_IRQ if SERIAL_8250 default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS || MPC85xx_MDS config PPC_INDIRECT_PCI_BE diff --git a/arch/powerpc/platforms/celleb/scc_epci.c b/arch/powerpc/platforms/celleb/scc_epci.c index c11b39c3776..fb23d53eb09 100644 --- a/arch/powerpc/platforms/celleb/scc_epci.c +++ b/arch/powerpc/platforms/celleb/scc_epci.c @@ -43,11 +43,34 @@ #define iob() __asm__ __volatile__("eieio; sync":::"memory") +static inline volatile void __iomem *celleb_epci_get_epci_base( + struct pci_controller *hose) +{ + /* + * Note: + * Celleb epci uses cfg_addr as a base address for + * epci control registers. + */ + + return hose->cfg_addr; +} + +static inline volatile void __iomem *celleb_epci_get_epci_cfg( + struct pci_controller *hose) +{ + /* + * Note: + * Celleb epci uses cfg_data as a base address for + * configuration area for epci devices. + */ + + return hose->cfg_data; +} #if 0 /* test code for epci dummy read */ static void celleb_epci_dummy_read(struct pci_dev *dev) { - void __iomem *epci_base; + volatile void __iomem *epci_base; struct device_node *node; struct pci_controller *hose; u32 val; @@ -58,7 +81,7 @@ static void celleb_epci_dummy_read(struct pci_dev *dev) if (!hose) return; - epci_base = hose->cfg_addr; + epci_base = celleb_epci_get_epci_base(hose); val = in_be32(epci_base + SCC_EPCI_WATRP); iosync(); @@ -70,19 +93,20 @@ static void celleb_epci_dummy_read(struct pci_dev *dev) static inline void clear_and_disable_master_abort_interrupt( struct pci_controller *hose) { - void __iomem *addr; - addr = hose->cfg_addr + PCI_COMMAND; - out_be32(addr, in_be32(addr) | (PCI_STATUS_REC_MASTER_ABORT << 16)); + volatile void __iomem *epci_base, *reg; + epci_base = celleb_epci_get_epci_base(hose); + reg = epci_base + PCI_COMMAND; + out_be32(reg, in_be32(reg) | (PCI_STATUS_REC_MASTER_ABORT << 16)); } static int celleb_epci_check_abort(struct pci_controller *hose, - void __iomem *addr) + volatile void __iomem *addr) { - void __iomem *reg, *epci_base; + volatile void __iomem *reg, *epci_base; u32 val; iob(); - epci_base = hose->cfg_addr; + epci_base = celleb_epci_get_epci_base(hose); reg = epci_base + PCI_COMMAND; val = in_be32(reg); @@ -108,20 +132,21 @@ static int celleb_epci_check_abort(struct pci_controller *hose, return PCIBIOS_SUCCESSFUL; } -static void __iomem *celleb_epci_make_config_addr(struct pci_controller *hose, +static volatile void __iomem *celleb_epci_make_config_addr( + struct pci_controller *hose, unsigned int devfn, int where) { - void __iomem *addr; + volatile void __iomem *addr; struct pci_bus *bus = hose->bus; if (bus->self) - addr = hose->cfg_data + + addr = celleb_epci_get_epci_cfg(hose) + (((bus->number & 0xff) << 16) | ((devfn & 0xff) << 8) | (where & 0xff) | 0x01000000); else - addr = hose->cfg_data + + addr = celleb_epci_get_epci_cfg(hose) + (((devfn & 0xff) << 8) | (where & 0xff)); pr_debug("EPCI: config_addr = 0x%p\n", addr); @@ -132,7 +157,7 @@ static void __iomem *celleb_epci_make_config_addr(struct pci_controller *hose, static int celleb_epci_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 * val) { - void __iomem *addr; + volatile void __iomem *epci_base, *addr; struct device_node *node; struct pci_controller *hose; @@ -142,13 +167,14 @@ static int celleb_epci_read_config(struct pci_bus *bus, node = (struct device_node *)bus->sysdata; hose = pci_find_hose_for_OF_device(node); - if (!hose->cfg_data) + if (!celleb_epci_get_epci_cfg(hose)) return PCIBIOS_DEVICE_NOT_FOUND; if (bus->number == hose->first_busno && devfn == 0) { /* EPCI controller self */ - addr = hose->cfg_addr + where; + epci_base = celleb_epci_get_epci_base(hose); + addr = epci_base + where; switch (size) { case 1: @@ -185,7 +211,7 @@ static int celleb_epci_read_config(struct pci_bus *bus, } pr_debug("EPCI: " - "addr=0x%lx, devfn=0x%x, where=0x%x, size=0x%x, val=0x%x\n", + "addr=0x%p, devfn=0x%x, where=0x%x, size=0x%x, val=0x%x\n", addr, devfn, where, size, *val); return celleb_epci_check_abort(hose, NULL); @@ -194,7 +220,7 @@ static int celleb_epci_read_config(struct pci_bus *bus, static int celleb_epci_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) { - void __iomem *addr; + volatile void __iomem *epci_base, *addr; struct device_node *node; struct pci_controller *hose; @@ -204,13 +230,15 @@ static int celleb_epci_write_config(struct pci_bus *bus, node = (struct device_node *)bus->sysdata; hose = pci_find_hose_for_OF_device(node); - if (!hose->cfg_data) + + if (!celleb_epci_get_epci_cfg(hose)) return PCIBIOS_DEVICE_NOT_FOUND; if (bus->number == hose->first_busno && devfn == 0) { /* EPCI controller self */ - addr = hose->cfg_addr + where; + epci_base = celleb_epci_get_epci_base(hose); + addr = epci_base + where; switch (size) { case 1: @@ -258,10 +286,10 @@ struct pci_ops celleb_epci_ops = { static int __devinit celleb_epci_init(struct pci_controller *hose) { u32 val; - void __iomem *reg, *epci_base; + volatile void __iomem *reg, *epci_base; int hwres = 0; - epci_base = hose->cfg_addr; + epci_base = celleb_epci_get_epci_base(hose); /* PCI core reset(Internal bus and PCI clock) */ reg = epci_base + SCC_EPCI_CKCTRL; @@ -382,6 +410,18 @@ int __devinit celleb_setup_epci(struct device_node *node, pr_debug("PCI: celleb_setup_epci()\n"); + /* + * Note: + * Celleb epci uses cfg_addr and cfg_data member of + * pci_controller structure in irregular way. + * + * cfg_addr is used to map for control registers of + * celleb epci. + * + * cfg_data is used for configuration area of devices + * on Celleb epci buses. + */ + if (of_address_to_resource(node, 0, &r)) goto error; hose->cfg_addr = ioremap(r.start, (r.end - r.start + 1)); diff --git a/arch/powerpc/platforms/chrp/pegasos_eth.c b/arch/powerpc/platforms/chrp/pegasos_eth.c index 6ad4b1a72c9..71045677559 100644 --- a/arch/powerpc/platforms/chrp/pegasos_eth.c +++ b/arch/powerpc/platforms/chrp/pegasos_eth.c @@ -58,6 +58,7 @@ static struct resource mv643xx_eth0_resources[] = { static struct mv643xx_eth_platform_data eth0_pd = { + .port_number = 0, .tx_sram_addr = PEGASOS2_SRAM_BASE_ETH0, .tx_sram_size = PEGASOS2_SRAM_TXRING_SIZE, .tx_queue_size = PEGASOS2_SRAM_TXRING_SIZE/16, @@ -87,6 +88,7 @@ static struct resource mv643xx_eth1_resources[] = { }; static struct mv643xx_eth_platform_data eth1_pd = { + .port_number = 1, .tx_sram_addr = PEGASOS2_SRAM_BASE_ETH1, .tx_sram_size = PEGASOS2_SRAM_TXRING_SIZE, .tx_queue_size = PEGASOS2_SRAM_TXRING_SIZE/16, diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index 886c522d78e..3410bcbc9db 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig @@ -79,6 +79,7 @@ config LINKSTATION select MPIC select FSL_SOC select PPC_UDBG_16550 if SERIAL_8250 + select DEFAULT_UIMAGE help Select LINKSTATION if configuring for one of PPC- (MPC8241) based NAS systems from Buffalo Technology. So far only diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index c29a6a064d2..24cc50c1774 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -810,6 +810,7 @@ core99_ata100_enable(struct device_node *node, long value) unsigned long flags; struct pci_dev *pdev = NULL; u8 pbus, pid; + int rc; if (uninorth_rev < 0x24) return -ENODEV; @@ -828,7 +829,9 @@ core99_ata100_enable(struct device_node *node, long value) pdev = pci_find_slot(pbus, pid); if (pdev == NULL) return 0; - pci_enable_device(pdev); + rc = pci_enable_device(pdev); + if (rc) + return rc; pci_set_master(pdev); } return 0; diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index f42475b27c1..6fbac308ded 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -1191,8 +1191,11 @@ void __init pmac_pcibios_after_init(void) * -- BenH */ for_each_pci_dev(dev) { - if ((dev->class >> 16) == PCI_BASE_CLASS_STORAGE) - pci_enable_device(dev); + if ((dev->class >> 16) != PCI_BASE_CLASS_STORAGE) + continue; + if (pci_enable_device(dev)) + printk(KERN_WARNING + "pci: Failed to enable %s\n", pci_name(dev)); } #endif /* CONFIG_BLK_DEV_IDE */ diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig index d270a1e374d..1a481a60a88 100644 --- a/arch/powerpc/platforms/ps3/Kconfig +++ b/arch/powerpc/platforms/ps3/Kconfig @@ -1,9 +1,24 @@ menu "PS3 Platform Options" depends on PPC_PS3 +config PS3_ADVANCED + depends on PPC_PS3 + bool "PS3 Advanced configuration options" + help + This gives you access to some advanced options for the PS3. The + defaults should be fine for most users, but these options may make + it possible to better control the kernel configuration if you know + what you are doing. + + Note that the answer to this question won't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about these options. + + Most users should say N to this question. + config PS3_HTAB_SIZE depends on PPC_PS3 - int "PS3 Platform pagetable size" + int "PS3 Platform pagetable size" if PS3_ADVANCED range 18 20 default 20 help @@ -42,7 +57,7 @@ config PS3_USE_LPAR_ADDR config PS3_VUART depends on PPC_PS3 - bool "PS3 Virtual UART support" + bool "PS3 Virtual UART support" if PS3_ADVANCED default y help Include support for the PS3 Virtual UART. @@ -52,9 +67,8 @@ config PS3_VUART general, all users will say Y. config PS3_PS3AV - tristate "PS3 AV settings driver" - depends on PPC_PS3 - select PS3_VUART + tristate "PS3 AV settings driver" if PS3_ADVANCED + depends on PS3_VUART default y help Include support for the PS3 AV Settings driver. @@ -63,8 +77,8 @@ config PS3_PS3AV general, all users will say Y or M. config PS3_SYS_MANAGER - bool "PS3 System Manager driver" - select PS3_VUART + bool "PS3 System Manager driver" if PS3_ADVANCED + depends on PS3_VUART default y help Include support for the PS3 System Manager. diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 0183e5fbaf4..bf299b66f3f 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -218,7 +218,7 @@ Commands:\n\ " ss stop execution on all spus\n\ sr restore execution on stopped spus\n\ sf # dump spu fields for spu # (in hex)\n\ - sd # dump spu local store for spu # (in hex)\ + sd # dump spu local store for spu # (in hex)\n\ sdi # disassemble spu local store for spu # (in hex)\n" #endif " S print special registers\n\ diff --git a/arch/ppc/syslib/mv64x60.c b/arch/ppc/syslib/mv64x60.c index 3b039c30a43..a6f8b686ea8 100644 --- a/arch/ppc/syslib/mv64x60.c +++ b/arch/ppc/syslib/mv64x60.c @@ -339,7 +339,9 @@ static struct resource mv64x60_eth0_resources[] = { }, }; -static struct mv643xx_eth_platform_data eth0_pd; +static struct mv643xx_eth_platform_data eth0_pd = { + .port_number = 0, +}; static struct platform_device eth0_device = { .name = MV643XX_ETH_NAME, @@ -362,7 +364,9 @@ static struct resource mv64x60_eth1_resources[] = { }, }; -static struct mv643xx_eth_platform_data eth1_pd; +static struct mv643xx_eth_platform_data eth1_pd = { + .port_number = 1, +}; static struct platform_device eth1_device = { .name = MV643XX_ETH_NAME, @@ -385,7 +389,9 @@ static struct resource mv64x60_eth2_resources[] = { }, }; -static struct mv643xx_eth_platform_data eth2_pd; +static struct mv643xx_eth_platform_data eth2_pd = { + .port_number = 2, +}; static struct platform_device eth2_device = { .name = MV643XX_ETH_NAME, diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index d9425f59be9..0f293aa7b0f 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -376,6 +376,8 @@ config SHARED_KERNEL Select this option, if you want to share the text segment of the Linux kernel between different VM guests. This reduces memory usage with lots of guests but greatly increases kernel size. + Also if a kernel was IPL'ed from a shared segment the kexec system + call will not work. You should only select this option if you know what you are doing and want to exploit this feature. diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S index da7c8bb8098..dc364c1419a 100644 --- a/arch/s390/kernel/head31.S +++ b/arch/s390/kernel/head31.S @@ -121,7 +121,7 @@ startup_continue: .long .Lduct # cr2: dispatchable unit control table .long 0 # cr3: instruction authorization .long 0 # cr4: instruction authorization - .long 0xffffffff # cr5: primary-aste origin + .long .Lduct # cr5: primary-aste origin .long 0 # cr6: I/O interrupts .long 0 # cr7: secondary space segment table .long 0 # cr8: access registers translation @@ -132,8 +132,6 @@ startup_continue: .long 0 # cr13: home space segment table .long 0xc0000000 # cr14: machine check handling off .long 0 # cr15: linkage stack operations -.Lduct: .long 0,0,0,0,0,0,0,0 - .long 0,0,0,0,0,0,0,0 .Lpcfpu:.long 0x00080000,0x80000000 + .Lchkfpu .Lpccsp:.long 0x00080000,0x80000000 + .Lchkcsp .Lpcmvpg:.long 0x00080000,0x80000000 + .Lchkmvpg @@ -147,6 +145,13 @@ startup_continue: .Linittu: .long init_thread_union .Lstartup_init: .long startup_init + .align 64 +.Lduct: .long 0,0,0,0,.Lduald,0,0,0 + .long 0,0,0,0,0,0,0,0 + .align 128 +.Lduald:.rept 8 + .long 0x80000000,0,0,0 # invalid access-list entries + .endr .org 0x12000 .globl _ehead diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index af09e18cc5d..37010709fe6 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -134,7 +134,7 @@ startup_continue: .quad .Lduct # cr2: dispatchable unit control table .quad 0 # cr3: instruction authorization .quad 0 # cr4: instruction authorization - .quad 0xffffffffffffffff # cr5: primary-aste origin + .quad .Lduct # cr5: primary-aste origin .quad 0 # cr6: I/O interrupts .quad 0 # cr7: secondary space segment table .quad 0 # cr8: access registers translation @@ -145,14 +145,19 @@ startup_continue: .quad 0 # cr13: home space segment table .quad 0xc0000000 # cr14: machine check handling off .quad 0 # cr15: linkage stack operations -.Lduct: .long 0,0,0,0,0,0,0,0 - .long 0,0,0,0,0,0,0,0 .Lpcmsk:.quad 0x0000000180000000 .L4malign:.quad 0xffffffffffc00000 .Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8 .Lnop: .long 0x07000700 .Lparmaddr: .quad PARMAREA + .align 64 +.Lduct: .long 0,0,0,0,.Lduald,0,0,0 + .long 0,0,0,0,0,0,0,0 + .align 128 +.Lduald:.rept 8 + .long 0x80000000,0,0,0 # invalid access-list entries + .endr .org 0x12000 .globl _ehead diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 5a863a3bf10..d125a4ead08 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -1066,7 +1066,7 @@ static void do_reset_calls(void) reset->fn(); } -extern __u32 dump_prefix_page; +u32 dump_prefix_page; void s390_reset_system(void) { @@ -1078,7 +1078,7 @@ void s390_reset_system(void) lc->panic_stack = S390_lowcore.panic_stack; /* Save prefix page address for dump case */ - dump_prefix_page = (unsigned long) lc; + dump_prefix_page = (u32)(unsigned long) lc; /* Disable prefixing */ set_prefix(0); diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index a466bab6677..8af549e9573 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -337,21 +337,14 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) } p = get_kprobe(addr); - if (!p) { - if (*addr != BREAKPOINT_INSTRUCTION) { - /* - * The breakpoint instruction was removed right - * after we hit it. Another cpu has removed - * either a probepoint or a debugger breakpoint - * at this address. In either case, no further - * handling of this interrupt is appropriate. - * - */ - ret = 1; - } - /* Not one of ours: let kernel handle it */ + if (!p) + /* + * No kprobe at this address. The fault has not been + * caused by a kprobe breakpoint. The race of breakpoint + * vs. kprobe remove does not exist because on s390 we + * use stop_machine_run to arm/disarm the breakpoints. + */ goto no_kprobe; - } kcb->kprobe_status = KPROBE_HIT_ACTIVE; set_current_kprobe(p, regs, kcb); diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c index 52f57af252b..3c77dd36994 100644 --- a/arch/s390/kernel/machine_kexec.c +++ b/arch/s390/kernel/machine_kexec.c @@ -19,6 +19,7 @@ #include <asm/system.h> #include <asm/smp.h> #include <asm/reset.h> +#include <asm/ipl.h> typedef void (*relocate_kernel_t)(kimage_entry_t *, unsigned long); @@ -29,6 +30,10 @@ int machine_kexec_prepare(struct kimage *image) { void *reboot_code_buffer; + /* Can't replace kernel image since it is read-only. */ + if (ipl_flags & IPL_NSS_VALID) + return -ENOSYS; + /* We don't support anything but the default image type for now. */ if (image->type != KEXEC_TYPE_DEFAULT) return -EINVAL; diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S index c3f4d9b9508..2f481cc3d1c 100644 --- a/arch/s390/kernel/reipl.S +++ b/arch/s390/kernel/reipl.S @@ -8,6 +8,10 @@ #include <asm/lowcore.h> +# +# do_reipl_asm +# Parameter: r2 = schid of reipl device +# .globl do_reipl_asm do_reipl_asm: basr %r13,0 .Lpg0: lpsw .Lnewpsw-.Lpg0(%r13) @@ -16,12 +20,12 @@ do_reipl_asm: basr %r13,0 stm %r0,%r15,__LC_GPREGS_SAVE_AREA stctl %c0,%c15,__LC_CREGS_SAVE_AREA stam %a0,%a15,__LC_AREGS_SAVE_AREA - mvc __LC_PREFIX_SAVE_AREA(4),dump_prefix_page-.Lpg0(%r13) + l %r10,.Ldump_pfx-.Lpg0(%r13) + mvc __LC_PREFIX_SAVE_AREA(4),0(%r10) stckc .Lclkcmp-.Lpg0(%r13) mvc __LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13) stpt __LC_CPU_TIMER_SAVE_AREA st %r13, __LC_PSW_SAVE_AREA+4 - lctl %c6,%c6,.Lall-.Lpg0(%r13) lr %r1,%r2 mvc __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13) @@ -55,6 +59,7 @@ do_reipl_asm: basr %r13,0 .align 8 .Lclkcmp: .quad 0x0000000000000000 .Lall: .long 0xff000000 +.Ldump_pfx: .long dump_prefix_page .align 8 .Lnewpsw: .long 0x00080000,0x80000000+.Lpg1 .Lpcnew: .long 0x00080000,0x80000000+.Lecs @@ -79,7 +84,3 @@ do_reipl_asm: basr %r13,0 .long 0x00000000,0x00000000 .long 0x00000000,0x00000000 .long 0x00000000,0x00000000 - .globl dump_prefix_page -dump_prefix_page: - .long 0x00000000 - diff --git a/arch/s390/kernel/reipl64.S b/arch/s390/kernel/reipl64.S index dbb3eed3886..c41930499a5 100644 --- a/arch/s390/kernel/reipl64.S +++ b/arch/s390/kernel/reipl64.S @@ -8,6 +8,12 @@ */ #include <asm/lowcore.h> + +# +# do_reipl_asm +# Parameter: r2 = schid of reipl device +# + .globl do_reipl_asm do_reipl_asm: basr %r13,0 .Lpg0: lpswe .Lnewpsw-.Lpg0(%r13) @@ -20,7 +26,8 @@ do_reipl_asm: basr %r13,0 stg %r0,__LC_GPREGS_SAVE_AREA-0x1000+8(%r1) stctg %c0,%c15,__LC_CREGS_SAVE_AREA-0x1000(%r1) stam %a0,%a15,__LC_AREGS_SAVE_AREA-0x1000(%r1) - mvc __LC_PREFIX_SAVE_AREA-0x1000(4,%r1),dump_prefix_page-.Lpg0(%r13) + lg %r10,.Ldump_pfx-.Lpg0(%r13) + mvc __LC_PREFIX_SAVE_AREA-0x1000(4,%r1),0(%r10) stfpc __LC_FP_CREG_SAVE_AREA-0x1000(%r1) stckc .Lclkcmp-.Lpg0(%r13) mvc __LC_CLOCK_COMP_SAVE_AREA-0x1000(8,%r1),.Lclkcmp-.Lpg0(%r13) @@ -64,6 +71,7 @@ do_reipl_asm: basr %r13,0 .align 8 .Lclkcmp: .quad 0x0000000000000000 .Lall: .quad 0x00000000ff000000 +.Ldump_pfx: .quad dump_prefix_page .Lregsave: .quad 0x0000000000000000 .align 16 /* @@ -103,6 +111,3 @@ do_reipl_asm: basr %r13,0 .long 0x00000000,0x00000000 .long 0x00000000,0x00000000 .long 0x00000000,0x00000000 - .globl dump_prefix_page -dump_prefix_page: - .long 0x00000000 diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index ecaa432a99f..97764f710bb 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -94,10 +94,9 @@ static void __smp_call_function_map(void (*func) (void *info), void *info, int cpu, local = 0; /* - * Can deadlock when interrupts are disabled or if in wrong context, - * caller must disable preemption + * Can deadlock when interrupts are disabled or if in wrong context. */ - WARN_ON(irqs_disabled() || in_irq() || preemptible()); + WARN_ON(irqs_disabled() || in_irq()); /* * Check for local function call. We have to have the same call order @@ -152,17 +151,18 @@ out: * Run a function on all other CPUs. * * You must not call this function with disabled interrupts or from a - * hardware interrupt handler. Must be called with preemption disabled. - * You may call it from a bottom half. + * hardware interrupt handler. You may call it from a bottom half. */ int smp_call_function(void (*func) (void *info), void *info, int nonatomic, int wait) { cpumask_t map; + preempt_disable(); map = cpu_online_map; cpu_clear(smp_processor_id(), map); __smp_call_function_map(func, info, nonatomic, wait, map); + preempt_enable(); return 0; } EXPORT_SYMBOL(smp_call_function); @@ -178,16 +178,17 @@ EXPORT_SYMBOL(smp_call_function); * Run a function on one processor. * * You must not call this function with disabled interrupts or from a - * hardware interrupt handler. Must be called with preemption disabled. - * You may call it from a bottom half. + * hardware interrupt handler. You may call it from a bottom half. */ int smp_call_function_on(void (*func) (void *info), void *info, int nonatomic, int wait, int cpu) { cpumask_t map = CPU_MASK_NONE; + preempt_disable(); cpu_set(cpu, map); __smp_call_function_map(func, info, nonatomic, wait, map); + preempt_enable(); return 0; } EXPORT_SYMBOL(smp_call_function_on); diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 641aef36ccc..7462aebd3eb 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -108,53 +108,40 @@ void bust_spinlocks(int yes) } /* - * Check which address space is addressed by the access - * register in S390_lowcore.exc_access_id. - * Returns 1 for user space and 0 for kernel space. + * Returns the address space associated with the fault. + * Returns 0 for kernel space, 1 for user space and + * 2 for code execution in user space with noexec=on. */ -static int __check_access_register(struct pt_regs *regs, int error_code) -{ - int areg = S390_lowcore.exc_access_id; - - if (areg == 0) - /* Access via access register 0 -> kernel address */ - return 0; - save_access_regs(current->thread.acrs); - if (regs && areg < NUM_ACRS && current->thread.acrs[areg] <= 1) - /* - * access register contains 0 -> kernel address, - * access register contains 1 -> user space address - */ - return current->thread.acrs[areg]; - - /* Something unhealthy was done with the access registers... */ - die("page fault via unknown access register", regs, error_code); - do_exit(SIGKILL); - return 0; -} - -/* - * Check which address space the address belongs to. - * May return 1 or 2 for user space and 0 for kernel space. - * Returns 2 for user space in primary addressing mode with - * CONFIG_S390_EXEC_PROTECT on and kernel parameter noexec=on. - */ -static inline int check_user_space(struct pt_regs *regs, int error_code) +static inline int check_space(struct task_struct *tsk) { /* - * The lowest two bits of S390_lowcore.trans_exc_code indicate - * which paging table was used: - * 0: Primary Segment Table Descriptor - * 1: STD determined via access register - * 2: Secondary Segment Table Descriptor - * 3: Home Segment Table Descriptor + * The lowest two bits of S390_lowcore.trans_exc_code + * indicate which paging table was used. */ - int descriptor = S390_lowcore.trans_exc_code & 3; - if (unlikely(descriptor == 1)) - return __check_access_register(regs, error_code); - if (descriptor == 2) - return current->thread.mm_segment.ar4; - return ((descriptor != 0) ^ (switch_amode)) << s390_noexec; + int desc = S390_lowcore.trans_exc_code & 3; + + if (desc == 3) /* Home Segment Table Descriptor */ + return switch_amode == 0; + if (desc == 2) /* Secondary Segment Table Descriptor */ + return tsk->thread.mm_segment.ar4; +#ifdef CONFIG_S390_SWITCH_AMODE + if (unlikely(desc == 1)) { /* STD determined via access register */ + /* %a0 always indicates primary space. */ + if (S390_lowcore.exc_access_id != 0) { + save_access_regs(tsk->thread.acrs); + /* + * An alet of 0 indicates primary space. + * An alet of 1 indicates secondary space. + * Any other alet values generate an + * alen-translation exception. + */ + if (tsk->thread.acrs[S390_lowcore.exc_access_id]) + return tsk->thread.mm_segment.ar4; + } + } +#endif + /* Primary Segment Table Descriptor */ + return switch_amode << s390_noexec; } /* @@ -265,16 +252,16 @@ out_fault: * 11 Page translation -> Not present (nullification) * 3b Region third trans. -> Not present (nullification) */ -static inline void __kprobes +static inline void do_exception(struct pt_regs *regs, unsigned long error_code, int is_protection) { struct task_struct *tsk; struct mm_struct *mm; struct vm_area_struct * vma; unsigned long address; - int user_address; const struct exception_table_entry *fixup; - int si_code = SEGV_MAPERR; + int si_code; + int space; tsk = current; mm = tsk->mm; @@ -294,7 +281,7 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int is_protection) NULL pointer write access in kernel mode. */ if (!(regs->psw.mask & PSW_MASK_PSTATE)) { address = 0; - user_address = 0; + space = 0; goto no_context; } @@ -309,15 +296,15 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int is_protection) * the address */ address = S390_lowcore.trans_exc_code & __FAIL_ADDR_MASK; - user_address = check_user_space(regs, error_code); + space = check_space(tsk); /* * Verify that the fault happened in user space, that * we are not in an interrupt and that there is a * user context. */ - if (user_address == 0 || in_atomic() || !mm) - goto no_context; + if (unlikely(space == 0 || in_atomic() || !mm)) + goto no_context; /* * When we get here, the fault happened in the current @@ -328,12 +315,13 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int is_protection) down_read(&mm->mmap_sem); - vma = find_vma(mm, address); - if (!vma) - goto bad_area; + si_code = SEGV_MAPERR; + vma = find_vma(mm, address); + if (!vma) + goto bad_area; #ifdef CONFIG_S390_EXEC_PROTECT - if (unlikely((user_address == 2) && !(vma->vm_flags & VM_EXEC))) + if (unlikely((space == 2) && !(vma->vm_flags & VM_EXEC))) if (!signal_return(mm, regs, address, error_code)) /* * signal_return() has done an up_read(&mm->mmap_sem) @@ -389,7 +377,7 @@ survive: * The instruction that caused the program check will * be repeated. Don't signal single step via SIGTRAP. */ - clear_tsk_thread_flag(current, TIF_SINGLE_STEP); + clear_tsk_thread_flag(tsk, TIF_SINGLE_STEP); return; /* @@ -419,7 +407,7 @@ no_context: * Oops. The kernel tried to access some bad page. We'll have to * terminate things with extreme prejudice. */ - if (user_address == 0) + if (space == 0) printk(KERN_ALERT "Unable to handle kernel pointer dereference" " at virtual kernel address %p\n", (void *)address); else @@ -462,13 +450,14 @@ do_sigbus: goto no_context; } -void do_protection_exception(struct pt_regs *regs, unsigned long error_code) +void __kprobes do_protection_exception(struct pt_regs *regs, + unsigned long error_code) { regs->psw.addr -= (error_code >> 16); do_exception(regs, 4, 1); } -void do_dat_exception(struct pt_regs *regs, unsigned long error_code) +void __kprobes do_dat_exception(struct pt_regs *regs, unsigned long error_code) { do_exception(regs, error_code & 0xff, 0); } diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile index 3c93012e91a..ed5f5a9a3b3 100644 --- a/arch/sh/boards/renesas/r7780rp/Makefile +++ b/arch/sh/boards/renesas/r7780rp/Makefile @@ -2,6 +2,6 @@ # Makefile for the R7780RP-1 specific parts of the kernel # -obj-y := setup.o io.o irq.o +obj-y := setup.o irq.o obj-$(CONFIG_PUSH_SWITCH) += psw.o diff --git a/arch/sh/boards/renesas/r7780rp/io.c b/arch/sh/boards/renesas/r7780rp/io.c deleted file mode 100644 index f74d2ffb385..00000000000 --- a/arch/sh/boards/renesas/r7780rp/io.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routine for Renesas Solutions Highlander R7780RP-1 - * - * Initial version only to support LAN access; some - * placeholder code from io_r7780rp.c left in with the - * expectation of later SuperIO and PCMCIA access. - */ -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/io.h> -#include <asm/r7780rp.h> -#include <asm/addrspace.h> - -static inline unsigned long port88796l(unsigned int port, int flag) -{ - unsigned long addr; - - if (flag) - addr = PA_AX88796L + ((port - AX88796L_IO_BASE) << 1); - else - addr = PA_AX88796L + ((port - AX88796L_IO_BASE) << 1) + 0x1000; - - return addr; -} - -#if defined(CONFIG_NE2000) || defined(CONFIG_NE2000_MODULE) -#define CHECK_AX88796L_PORT(port) \ - ((port >= AX88796L_IO_BASE) && (port < (AX88796L_IO_BASE+0x20))) -#else -#define CHECK_AX88796L_PORT(port) (0) -#endif - -/* - * General outline: remap really low stuff [eventually] to SuperIO, - * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) - * is mapped through the PCI IO window. Stuff with high bits (PXSEG) - * should be way beyond the window, and is used w/o translation for - * compatibility. - */ -u8 r7780rp_inb(unsigned long port) -{ - if (CHECK_AX88796L_PORT(port)) - return ctrl_inw(port88796l(port, 0)) & 0xff; - else if (is_pci_ioaddr(port)) - return ctrl_inb(pci_ioaddr(port)); - - return ctrl_inw(port) & 0xff; -} - -u8 r7780rp_inb_p(unsigned long port) -{ - u8 v; - - if (CHECK_AX88796L_PORT(port)) - v = ctrl_inw(port88796l(port, 0)) & 0xff; - else if (is_pci_ioaddr(port)) - v = ctrl_inb(pci_ioaddr(port)); - else - v = ctrl_inw(port) & 0xff; - - ctrl_delay(); - - return v; -} - -u16 r7780rp_inw(unsigned long port) -{ - if (is_pci_ioaddr(port)) - return ctrl_inw(pci_ioaddr(port)); - - return ctrl_inw(port); -} - -u32 r7780rp_inl(unsigned long port) -{ - if (is_pci_ioaddr(port)) - return ctrl_inl(pci_ioaddr(port)); - - return ctrl_inl(port); -} - -void r7780rp_outb(u8 value, unsigned long port) -{ - if (CHECK_AX88796L_PORT(port)) - ctrl_outw(value, port88796l(port, 0)); - else if (is_pci_ioaddr(port)) - ctrl_outb(value, pci_ioaddr(port)); - else - ctrl_outb(value, port); -} - -void r7780rp_outb_p(u8 value, unsigned long port) -{ - if (CHECK_AX88796L_PORT(port)) - ctrl_outw(value, port88796l(port, 0)); - else if (is_pci_ioaddr(port)) - ctrl_outb(value, pci_ioaddr(port)); - else - ctrl_outb(value, port); - - ctrl_delay(); -} - -void r7780rp_outw(u16 value, unsigned long port) -{ - if (is_pci_ioaddr(port)) - ctrl_outw(value, pci_ioaddr(port)); - else - ctrl_outw(value, port); -} - -void r7780rp_outl(u32 value, unsigned long port) -{ - if (is_pci_ioaddr(port)) - ctrl_outl(value, pci_ioaddr(port)); - else - ctrl_outl(value, port); -} - -void r7780rp_insb(unsigned long port, void *dst, unsigned long count) -{ - volatile u16 *p; - u8 *buf = dst; - - if (CHECK_AX88796L_PORT(port)) { - p = (volatile u16 *)port88796l(port, 0); - while (count--) - *buf++ = *p & 0xff; - } else if (is_pci_ioaddr(port)) { - volatile u8 *bp = (volatile u8 *)pci_ioaddr(port); - - while (count--) - *buf++ = *bp; - } else { - p = (volatile u16 *)port; - while (count--) - *buf++ = *p & 0xff; - } -} - -void r7780rp_insw(unsigned long port, void *dst, unsigned long count) -{ - volatile u16 *p; - u16 *buf = dst; - - if (CHECK_AX88796L_PORT(port)) - p = (volatile u16 *)port88796l(port, 1); - else if (is_pci_ioaddr(port)) - p = (volatile u16 *)pci_ioaddr(port); - else - p = (volatile u16 *)port; - - while (count--) - *buf++ = *p; - - flush_dcache_all(); -} - -void r7780rp_insl(unsigned long port, void *dst, unsigned long count) -{ - if (is_pci_ioaddr(port)) { - volatile u32 *p = (volatile u32 *)pci_ioaddr(port); - u32 *buf = dst; - - while (count--) - *buf++ = *p; - } -} - -void r7780rp_outsb(unsigned long port, const void *src, unsigned long count) -{ - volatile u16 *p; - const u8 *buf = src; - - if (CHECK_AX88796L_PORT(port)) { - p = (volatile u16 *)port88796l(port, 0); - while (count--) - *p = *buf++; - } else if (is_pci_ioaddr(port)) { - volatile u8 *bp = (volatile u8 *)pci_ioaddr(port); - - while (count--) - *bp = *buf++; - } else - while (count--) - ctrl_outb(*buf++, port); -} - -void r7780rp_outsw(unsigned long port, const void *src, unsigned long count) -{ - volatile u16 *p; - const u16 *buf = src; - - if (CHECK_AX88796L_PORT(port)) - p = (volatile u16 *)port88796l(port, 1); - else if (is_pci_ioaddr(port)) - p = (volatile u16 *)pci_ioaddr(port); - else - p = (volatile u16 *)port; - - while (count--) - *p = *buf++; - - flush_dcache_all(); -} - -void r7780rp_outsl(unsigned long port, const void *src, unsigned long count) -{ - const u32 *buf = src; - u32 *p; - - if (is_pci_ioaddr(port)) - p = (u32 *)pci_ioaddr(port); - else - p = (u32 *)port; - - while (count--) - ctrl_outl(*buf++, (unsigned long)p); -} - -void __iomem *r7780rp_ioport_map(unsigned long port, unsigned int size) -{ - if (CHECK_AX88796L_PORT(port)) - return (void __iomem *)port88796l(port, size > 1); - else if (is_pci_ioaddr(port)) - return (void __iomem *)pci_ioaddr(port); - - return (void __iomem *)port; -} diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c index 0d74db9f179..2faba6679e6 100644 --- a/arch/sh/boards/renesas/r7780rp/setup.c +++ b/arch/sh/boards/renesas/r7780rp/setup.c @@ -187,31 +187,7 @@ static void __init r7780rp_setup(char **cmdline_p) struct sh_machine_vector mv_r7780rp __initmv = { .mv_name = "Highlander R7780RP-1", .mv_setup = r7780rp_setup, - .mv_nr_irqs = 109, - - .mv_inb = r7780rp_inb, - .mv_inw = r7780rp_inw, - .mv_inl = r7780rp_inl, - .mv_outb = r7780rp_outb, - .mv_outw = r7780rp_outw, - .mv_outl = r7780rp_outl, - - .mv_inb_p = r7780rp_inb_p, - .mv_inw_p = r7780rp_inw, - .mv_inl_p = r7780rp_inl, - .mv_outb_p = r7780rp_outb_p, - .mv_outw_p = r7780rp_outw, - .mv_outl_p = r7780rp_outl, - - .mv_insb = r7780rp_insb, - .mv_insw = r7780rp_insw, - .mv_insl = r7780rp_insl, - .mv_outsb = r7780rp_outsb, - .mv_outsw = r7780rp_outsw, - .mv_outsl = r7780rp_outsl, - - .mv_ioport_map = r7780rp_ioport_map, .mv_init_irq = init_r7780rp_IRQ, }; ALIAS_MV(r7780rp) diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c index 44b42082a0a..593f26a85e9 100644 --- a/arch/sh/boards/renesas/rts7751r2d/setup.c +++ b/arch/sh/boards/renesas/rts7751r2d/setup.c @@ -12,6 +12,7 @@ #include <linux/platform_device.h> #include <linux/pata_platform.h> #include <linux/serial_8250.h> +#include <linux/sm501.h> #include <linux/pm.h> #include <asm/machvec.h> #include <asm/rts7751r2d.h> @@ -111,10 +112,35 @@ static struct platform_device heartbeat_device = { .resource = heartbeat_resources, }; +static struct resource sm501_resources[] = { + [0] = { + .start = 0x10000000, + .end = 0x13e00000 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 0x13e00000, + .end = 0x13ffffff, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = 32, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sm501_device = { + .name = "sm501", + .id = -1, + .num_resources = ARRAY_SIZE(sm501_resources), + .resource = sm501_resources, +}; + static struct platform_device *rts7751r2d_devices[] __initdata = { &uart_device, &heartbeat_device, &cf_ide_device, + &sm501_device, }; static int __init rts7751r2d_devices_setup(void) diff --git a/arch/sh/configs/rts7751r2d_defconfig b/arch/sh/configs/rts7751r2d_defconfig index db6a02df5af..a59bb78bd07 100644 --- a/arch/sh/configs/rts7751r2d_defconfig +++ b/arch/sh/configs/rts7751r2d_defconfig @@ -1,14 +1,13 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20 -# Thu Feb 15 17:17:29 2007 +# Linux kernel version: 2.6.21-rc1 +# Thu Mar 1 16:42:40 2007 # CONFIG_SUPERH=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_GENERIC_FIND_NEXT_BIT=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_HARDIRQS=y -CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_CALIBRATE_DELAY=y # CONFIG_GENERIC_TIME is not set @@ -33,6 +32,7 @@ CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y # CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set @@ -119,7 +119,6 @@ CONFIG_SH_RTS7751R2D=y # CONFIG_SH_SHMIN is not set # CONFIG_SH_7206_SOLUTION_ENGINE is not set # CONFIG_SH_7619_SOLUTION_ENGINE is not set -# CONFIG_SH_ASDAP310 is not set # CONFIG_SH_UNKNOWN is not set # @@ -281,7 +280,7 @@ CONFIG_ZERO_PAGE_OFFSET=0x00010000 CONFIG_BOOT_LINK_OFFSET=0x00800000 # CONFIG_UBC_WAKEUP is not set CONFIG_CMDLINE_BOOL=y -CONFIG_CMDLINE="console=ttySC0,115200 root=/dev/sda1" +CONFIG_CMDLINE="console=tty0 console=ttySC0,115200 root=/dev/sda1" # # Bus options @@ -433,6 +432,7 @@ CONFIG_FW_LOADER=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -770,7 +770,26 @@ CONFIG_NET_WIRELESS=y # # Input device support # -# CONFIG_INPUT is not set +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_TSDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set # # Hardware I/O ports @@ -781,7 +800,10 @@ CONFIG_NET_WIRELESS=y # # Character devices # -# CONFIG_VT is not set +CONFIG_VT=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +CONFIG_VT_HW_CONSOLE_BINDING=y # CONFIG_SERIAL_NONSTANDARD is not set # @@ -857,6 +879,11 @@ CONFIG_HWMON=y # CONFIG_HWMON_DEBUG_CHIP is not set # +# Multifunction device drivers +# +CONFIG_MFD_SM501=y + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -869,9 +896,66 @@ CONFIG_HWMON=y # # Graphics support # -CONFIG_FIRMWARE_EDID=y -# CONFIG_FB is not set # CONFIG_BACKLIGHT_LCD_SUPPORT is not set +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set + +# +# Frambuffer hardware drivers +# +# CONFIG_FB_CIRRUS is not set +# CONFIG_FB_PM2 is not set +# CONFIG_FB_CYBER2000 is not set +# CONFIG_FB_ASILIANT is not set +# CONFIG_FB_IMSTT is not set +# CONFIG_FB_EPSON1355 is not set +# CONFIG_FB_S1D13XXX is not set +# CONFIG_FB_NVIDIA is not set +# CONFIG_FB_RIVA is not set +# CONFIG_FB_MATROX is not set +# CONFIG_FB_RADEON is not set +# CONFIG_FB_ATY128 is not set +# CONFIG_FB_ATY is not set +# CONFIG_FB_S3 is not set +# CONFIG_FB_SAVAGE is not set +# CONFIG_FB_SIS is not set +# CONFIG_FB_NEOMAGIC is not set +# CONFIG_FB_KYRO is not set +# CONFIG_FB_3DFX is not set +# CONFIG_FB_VOODOO1 is not set +# CONFIG_FB_TRIDENT is not set +CONFIG_FB_SM501=y +# CONFIG_FB_VIRTUAL is not set + +# +# Console display driver support +# +CONFIG_DUMMY_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set +# CONFIG_FONTS is not set +CONFIG_FONT_8x8=y +CONFIG_FONT_8x16=y + +# +# Logo configuration +# +CONFIG_LOGO=y +# CONFIG_LOGO_LINUX_MONO is not set +# CONFIG_LOGO_LINUX_VGA16 is not set +# CONFIG_LOGO_LINUX_CLUT224 is not set +# CONFIG_LOGO_SUPERH_MONO is not set +# CONFIG_LOGO_SUPERH_VGA16 is not set +CONFIG_LOGO_SUPERH_CLUT224=y # # Sound @@ -985,6 +1069,12 @@ CONFIG_SOUND_PRIME=m CONFIG_AC97_BUS=m # +# HID Devices +# +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set + +# # USB support # CONFIG_USB_ARCH_HAS_HCD=y @@ -1237,7 +1327,7 @@ CONFIG_LOG_BUF_SHIFT=14 CONFIG_EARLY_SCIF_CONSOLE=y CONFIG_EARLY_SCIF_CONSOLE_PORT=0xffe80000 CONFIG_EARLY_PRINTK=y -# CONFIG_KGDB is not set +# CONFIG_SH_KGDB is not set # # Security options diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S index ab4ebb856c2..b4672802719 100644 --- a/arch/sh/kernel/entry-common.S +++ b/arch/sh/kernel/entry-common.S @@ -224,7 +224,7 @@ work_resched: syscall_exit_work: ! r0: current_thread_info->flags ! r8: current_thread_info - tst #_TIF_SYSCALL_TRACE, r0 + tst #_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP, r0 bt/s work_pending tst #_TIF_NEED_RESCHED, r0 #ifdef CONFIG_TRACE_IRQFLAGS diff --git a/arch/sh/kernel/io_generic.c b/arch/sh/kernel/io_generic.c index 66626c03e1e..771ea423044 100644 --- a/arch/sh/kernel/io_generic.c +++ b/arch/sh/kernel/io_generic.c @@ -14,7 +14,6 @@ #include <linux/module.h> #include <linux/io.h> #include <asm/machvec.h> -#include <asm/cacheflush.h> #ifdef CONFIG_CPU_SH3 /* SH3 has a PCMCIA bug that needs a dummy read from area 6 for a @@ -96,7 +95,6 @@ void generic_insw(unsigned long port, void *dst, unsigned long count) while (count--) *buf++ = *port_addr; - flush_dcache_all(); dummy_read(); } @@ -171,7 +169,6 @@ void generic_outsw(unsigned long port, const void *src, unsigned long count) while (count--) *port_addr = *buf++; - flush_dcache_all(); dummy_read(); } diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index 9d6a438b3ea..e7607366ac4 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c @@ -250,12 +250,11 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp, childregs->regs[15] = usp; ti->addr_limit = USER_DS; } else { - childregs->regs[15] = (unsigned long)task_stack_page(p) + - THREAD_SIZE; + childregs->regs[15] = (unsigned long)childregs; ti->addr_limit = KERNEL_DS; } - if (clone_flags & CLONE_SETTLS) + if (clone_flags & CLONE_SETTLS) childregs->gbr = childregs->regs[0]; childregs->regs[0] = 0; /* Set return value for child */ diff --git a/arch/sh/kernel/ptrace.c b/arch/sh/kernel/ptrace.c index 04ca13a041c..855f7246cff 100644 --- a/arch/sh/kernel/ptrace.c +++ b/arch/sh/kernel/ptrace.c @@ -8,7 +8,6 @@ * SuperH version: Copyright (C) 1999, 2000 Kaz Kojima & Niibe Yutaka * */ - #include <linux/kernel.h> #include <linux/sched.h> #include <linux/mm.h> @@ -20,8 +19,7 @@ #include <linux/slab.h> #include <linux/security.h> #include <linux/signal.h> - -#include <asm/io.h> +#include <linux/io.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include <asm/system.h> @@ -59,6 +57,23 @@ static inline int put_stack_long(struct task_struct *task, int offset, return 0; } +static void ptrace_disable_singlestep(struct task_struct *child) +{ + clear_tsk_thread_flag(child, TIF_SINGLESTEP); + + /* + * Ensure the UBC is not programmed at the next context switch. + * + * Normally this is not needed but there are sequences such as + * singlestep, signal delivery, and continue that leave the + * ubc_pc non-zero leading to spurious SIGTRAPs. + */ + if (child->thread.ubc_pc != 0) { + ubc_usercnt -= 1; + child->thread.ubc_pc = 0; + } +} + /* * Called by kernel/ptrace.c when detaching.. * @@ -66,7 +81,7 @@ static inline int put_stack_long(struct task_struct *task, int offset, */ void ptrace_disable(struct task_struct *child) { - /* nothing to do.. */ + ptrace_disable_singlestep(child); } long arch_ptrace(struct task_struct *child, long request, long addr, long data) @@ -76,7 +91,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ + case PTRACE_PEEKTEXT: /* read word at location addr. */ case PTRACE_PEEKDATA: { unsigned long tmp; int copied; @@ -94,7 +109,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) unsigned long tmp; ret = -EIO; - if ((addr & 3) || addr < 0 || + if ((addr & 3) || addr < 0 || addr > sizeof(struct user) - 3) break; @@ -129,7 +144,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ ret = -EIO; - if ((addr & 3) || addr < 0 || + if ((addr & 3) || addr < 0 || addr > sizeof(struct user) - 3) break; @@ -156,6 +171,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); else clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); + + ptrace_disable_singlestep(child); + child->exit_code = data; wake_up_process(child); ret = 0; @@ -163,14 +181,15 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } /* - * make the child exit. Best I can do is send it a sigkill. - * perhaps it should be put in the status that it wants to + * make the child exit. Best I can do is send it a sigkill. + * perhaps it should be put in the status that it wants to * exit. */ case PTRACE_KILL: { ret = 0; if (child->exit_state == EXIT_ZOMBIE) /* already dead */ break; + ptrace_disable_singlestep(child); child->exit_code = SIGKILL; wake_up_process(child); break; @@ -196,6 +215,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ubc_usercnt += 1; child->thread.ubc_pc = pc; + set_tsk_thread_flag(child, TIF_SINGLESTEP); child->exit_code = data; /* give it a chance to run. */ wake_up_process(child); @@ -248,14 +268,15 @@ asmlinkage void do_syscall_trace(void) { struct task_struct *tsk = current; - if (!test_thread_flag(TIF_SYSCALL_TRACE)) + if (!test_thread_flag(TIF_SYSCALL_TRACE) && + !test_thread_flag(TIF_SINGLESTEP)) return; if (!(tsk->ptrace & PT_PTRACED)) return; /* the 0x80 provides a way for the tracing parent to distinguish between a syscall stop and SIGTRAP delivery */ - ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) - ? 0x80 : 0)); + ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) && + !test_thread_flag(TIF_SINGLESTEP) ? 0x80 : 0)); /* * this isn't the same as continuing with a signal, but it will do diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c index 32f10a03fbb..9f39ef1f73d 100644 --- a/arch/sh/kernel/signal.c +++ b/arch/sh/kernel/signal.c @@ -589,6 +589,8 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) if (test_thread_flag(TIF_RESTORE_SIGMASK)) clear_thread_flag(TIF_RESTORE_SIGMASK); } + + return; } no_signal: @@ -598,7 +600,7 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0) if (regs->regs[0] == -ERESTARTNOHAND || regs->regs[0] == -ERESTARTSYS || regs->regs[0] == -ERESTARTNOINTR) { - regs->regs[0] = save_r0; + regs->regs[0] = save_r0; regs->pc -= 2; } else if (regs->regs[0] == -ERESTART_RESTARTBLOCK) { regs->pc -= 2; diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index 75de165867a..78a6c09875b 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -3,6 +3,7 @@ * Written by Niibe Yutaka */ #include <asm/thread_info.h> +#include <asm/cache.h> #include <asm-generic/vmlinux.lds.h> #ifdef CONFIG_CPU_LITTLE_ENDIAN @@ -53,7 +54,7 @@ SECTIONS . = ALIGN(PAGE_SIZE); .data.page_aligned : { *(.data.page_aligned) } - . = ALIGN(32); + . = ALIGN(L1_CACHE_BYTES); __per_cpu_start = .; .data.percpu : { *(.data.percpu) } __per_cpu_end = .; diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index e0cd4b7f4ae..981b0408905 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c @@ -237,20 +237,10 @@ static inline void flush_cache_4096(unsigned long start, /* * Write back & invalidate the D-cache of the page. * (To avoid "alias" issues) - * - * This uses a lazy write-back on UP, which is explicitly - * disabled on SMP. */ void flush_dcache_page(struct page *page) { -#ifndef CONFIG_SMP - struct address_space *mapping = page_mapping(page); - - if (mapping && !mapping_mapped(mapping)) - set_bit(PG_dcache_dirty, &page->flags); - else -#endif - { + if (test_bit(PG_mapped, &page->flags)) { unsigned long phys = PHYSADDR(page_address(page)); unsigned long addr = CACHE_OC_ADDRESS_ARRAY; int i, n; diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c index 31f8deb7a15..4896d737692 100644 --- a/arch/sh/mm/cache-sh7705.c +++ b/arch/sh/mm/cache-sh7705.c @@ -3,11 +3,11 @@ * * Copyright (C) 1999, 2000 Niibe Yutaka * Copyright (C) 2004 Alex Song - * Copyright (C) 2006 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. + * */ #include <linux/init.h> #include <linux/mman.h> @@ -51,6 +51,7 @@ static inline void cache_wback_all(void) if ((data & v) == v) ctrl_outl(data & ~v, addr); + } addrstart += current_cpu_data.dcache.way_incr; @@ -127,11 +128,7 @@ static void __flush_dcache_page(unsigned long phys) */ void flush_dcache_page(struct page *page) { - struct address_space *mapping = page_mapping(page); - - if (mapping && !mapping_mapped(mapping)) - set_bit(PG_dcache_dirty, &page->flags); - else + if (test_bit(PG_mapped, &page->flags)) __flush_dcache_page(PHYSADDR(page_address(page))); } diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c index 969efeceb92..df69da9ca69 100644 --- a/arch/sh/mm/pg-sh4.c +++ b/arch/sh/mm/pg-sh4.c @@ -23,6 +23,7 @@ extern struct mutex p3map_mutex[]; */ void clear_user_page(void *to, unsigned long address, struct page *page) { + __set_bit(PG_mapped, &page->flags); if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0) clear_page(to); else { @@ -58,6 +59,7 @@ void clear_user_page(void *to, unsigned long address, struct page *page) void copy_user_page(void *to, void *from, unsigned long address, struct page *page) { + __set_bit(PG_mapped, &page->flags); if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0) copy_page(to, from); else { @@ -82,3 +84,23 @@ void copy_user_page(void *to, void *from, unsigned long address, mutex_unlock(&p3map_mutex[(address & CACHE_ALIAS)>>12]); } } + +/* + * For SH-4, we have our own implementation for ptep_get_and_clear + */ +inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) +{ + pte_t pte = *ptep; + + pte_clear(mm, addr, ptep); + if (!pte_not_present(pte)) { + unsigned long pfn = pte_pfn(pte); + if (pfn_valid(pfn)) { + struct page *page = pfn_to_page(pfn); + struct address_space *mapping = page_mapping(page); + if (!mapping || !mapping_writably_mapped(mapping)) + __clear_bit(PG_mapped, &page->flags); + } + } + return pte; +} diff --git a/arch/sh/mm/pg-sh7705.c b/arch/sh/mm/pg-sh7705.c index 887ab9d18cc..a4b015f95a3 100644 --- a/arch/sh/mm/pg-sh7705.c +++ b/arch/sh/mm/pg-sh7705.c @@ -7,7 +7,9 @@ * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. + * */ + #include <linux/init.h> #include <linux/mman.h> #include <linux/mm.h> @@ -74,6 +76,7 @@ void clear_user_page(void *to, unsigned long address, struct page *pg) { struct page *page = virt_to_page(to); + __set_bit(PG_mapped, &page->flags); if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0) { clear_page(to); __flush_wback_region(to, PAGE_SIZE); @@ -92,11 +95,12 @@ void clear_user_page(void *to, unsigned long address, struct page *pg) * @from: P1 address * @address: U0 address to be mapped */ -void copy_user_page(void *to, void *from, unsigned long address, - struct page *pg) +void copy_user_page(void *to, void *from, unsigned long address, struct page *pg) { struct page *page = virt_to_page(to); + + __set_bit(PG_mapped, &page->flags); if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0) { copy_page(to, from); __flush_wback_region(to, PAGE_SIZE); @@ -108,3 +112,26 @@ void copy_user_page(void *to, void *from, unsigned long address, __flush_wback_region(to, PAGE_SIZE); } } + +/* + * For SH7705, we have our own implementation for ptep_get_and_clear + * Copied from pg-sh4.c + */ +inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) +{ + pte_t pte = *ptep; + + pte_clear(mm, addr, ptep); + if (!pte_not_present(pte)) { + unsigned long pfn = pte_pfn(pte); + if (pfn_valid(pfn)) { + struct page *page = pfn_to_page(pfn); + struct address_space *mapping = page_mapping(page); + if (!mapping || !mapping_writably_mapped(mapping)) + __clear_bit(PG_mapped, &page->flags); + } + } + + return pte; +} + diff --git a/arch/sh/mm/tlb-flush.c b/arch/sh/mm/tlb-flush.c index d2f7b4a2eb0..6f45c1f8a7f 100644 --- a/arch/sh/mm/tlb-flush.c +++ b/arch/sh/mm/tlb-flush.c @@ -2,17 +2,15 @@ * TLB flushing operations for SH with an MMU. * * Copyright (C) 1999 Niibe Yutaka - * Copyright (C) 2003 - 2006 Paul Mundt + * Copyright (C) 2003 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #include <linux/mm.h> -#include <linux/io.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> -#include <asm/cacheflush.h> void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page) { @@ -140,54 +138,3 @@ void local_flush_tlb_all(void) ctrl_barrier(); local_irq_restore(flags); } - -void update_mmu_cache(struct vm_area_struct *vma, - unsigned long address, pte_t pte) -{ - unsigned long flags; - unsigned long pteval; - unsigned long vpn; - struct page *page; - unsigned long pfn = pte_pfn(pte); - struct address_space *mapping; - - if (!pfn_valid(pfn)) - return; - - page = pfn_to_page(pfn); - mapping = page_mapping(page); - if (mapping) { - unsigned long phys = pte_val(pte) & PTE_PHYS_MASK; - int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags); - - if (dirty) - __flush_wback_region((void *)P1SEGADDR(phys), - PAGE_SIZE); - } - - local_irq_save(flags); - - /* Set PTEH register */ - vpn = (address & MMU_VPN_MASK) | get_asid(); - ctrl_outl(vpn, MMU_PTEH); - - pteval = pte_val(pte); - -#ifdef CONFIG_CPU_HAS_PTEA - /* Set PTEA register */ - /* TODO: make this look less hacky */ - ctrl_outl(((pteval >> 28) & 0xe) | (pteval & 0x1), MMU_PTEA); -#endif - - /* Set PTEL register */ - pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */ -#if defined(CONFIG_SH_WRITETHROUGH) && defined(CONFIG_CPU_SH4) - pteval |= _PAGE_WT; -#endif - /* conveniently, we want all the software flags to be 0 anyway */ - ctrl_outl(pteval, MMU_PTEL); - - /* Load the TLB */ - asm volatile("ldtlb": /* no output */ : /* no input */ : "memory"); - local_irq_restore(flags); -} diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c index e5e76eb7ee0..7fbfd5a11ff 100644 --- a/arch/sh/mm/tlb-sh3.c +++ b/arch/sh/mm/tlb-sh3.c @@ -8,9 +8,69 @@ * * Released under the terms of the GNU GPL v2.0. */ -#include <linux/io.h> +#include <linux/signal.h> +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/types.h> +#include <linux/ptrace.h> +#include <linux/mman.h> +#include <linux/mm.h> +#include <linux/smp.h> +#include <linux/smp_lock.h> +#include <linux/interrupt.h> + #include <asm/system.h> +#include <asm/io.h> +#include <asm/uaccess.h> +#include <asm/pgalloc.h> #include <asm/mmu_context.h> +#include <asm/cacheflush.h> + +void update_mmu_cache(struct vm_area_struct * vma, + unsigned long address, pte_t pte) +{ + unsigned long flags; + unsigned long pteval; + unsigned long vpn; + + /* Ptrace may call this routine. */ + if (vma && current->active_mm != vma->vm_mm) + return; + +#if defined(CONFIG_SH7705_CACHE_32KB) + { + struct page *page = pte_page(pte); + unsigned long pfn = pte_pfn(pte); + + if (pfn_valid(pfn) && !test_bit(PG_mapped, &page->flags)) { + unsigned long phys = pte_val(pte) & PTE_PHYS_MASK; + + __flush_wback_region((void *)P1SEGADDR(phys), + PAGE_SIZE); + __set_bit(PG_mapped, &page->flags); + } + } +#endif + + local_irq_save(flags); + + /* Set PTEH register */ + vpn = (address & MMU_VPN_MASK) | get_asid(); + ctrl_outl(vpn, MMU_PTEH); + + pteval = pte_val(pte); + + /* Set PTEL register */ + pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */ + /* conveniently, we want all the software flags to be 0 anyway */ + ctrl_outl(pteval, MMU_PTEL); + + /* Load the TLB */ + asm volatile("ldtlb": /* no output */ : /* no input */ : "memory"); + local_irq_restore(flags); +} void local_flush_tlb_one(unsigned long asid, unsigned long page) { @@ -34,3 +94,4 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page) for (i = 0; i < ways; i++) ctrl_outl(data, addr + (i << 8)); } + diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c index 221e7095473..f74cf667c8f 100644 --- a/arch/sh/mm/tlb-sh4.c +++ b/arch/sh/mm/tlb-sh4.c @@ -8,9 +8,74 @@ * * Released under the terms of the GNU GPL v2.0. */ -#include <linux/io.h> +#include <linux/signal.h> +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/types.h> +#include <linux/ptrace.h> +#include <linux/mman.h> +#include <linux/mm.h> +#include <linux/smp.h> +#include <linux/smp_lock.h> +#include <linux/interrupt.h> + #include <asm/system.h> +#include <asm/io.h> +#include <asm/uaccess.h> +#include <asm/pgalloc.h> #include <asm/mmu_context.h> +#include <asm/cacheflush.h> + +void update_mmu_cache(struct vm_area_struct * vma, + unsigned long address, pte_t pte) +{ + unsigned long flags; + unsigned long pteval; + unsigned long vpn; + struct page *page; + unsigned long pfn; + + /* Ptrace may call this routine. */ + if (vma && current->active_mm != vma->vm_mm) + return; + + pfn = pte_pfn(pte); + if (pfn_valid(pfn)) { + page = pfn_to_page(pfn); + if (!test_bit(PG_mapped, &page->flags)) { + unsigned long phys = pte_val(pte) & PTE_PHYS_MASK; + __flush_wback_region((void *)P1SEGADDR(phys), PAGE_SIZE); + __set_bit(PG_mapped, &page->flags); + } + } + + local_irq_save(flags); + + /* Set PTEH register */ + vpn = (address & MMU_VPN_MASK) | get_asid(); + ctrl_outl(vpn, MMU_PTEH); + + pteval = pte_val(pte); + + /* Set PTEA register */ + if (cpu_data->flags & CPU_HAS_PTEA) + /* TODO: make this look less hacky */ + ctrl_outl(((pteval >> 28) & 0xe) | (pteval & 0x1), MMU_PTEA); + + /* Set PTEL register */ + pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */ +#ifdef CONFIG_SH_WRITETHROUGH + pteval |= _PAGE_WT; +#endif + /* conveniently, we want all the software flags to be 0 anyway */ + ctrl_outl(pteval, MMU_PTEL); + + /* Load the TLB */ + asm volatile("ldtlb": /* no output */ : /* no input */ : "memory"); + local_irq_restore(flags); +} void local_flush_tlb_one(unsigned long asid, unsigned long page) { @@ -28,3 +93,4 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page) ctrl_outl(data, addr); back_to_P1(); } + diff --git a/arch/sparc/kernel/of_device.c b/arch/sparc/kernel/of_device.c index dab6169e31c..48c24f7518c 100644 --- a/arch/sparc/kernel/of_device.c +++ b/arch/sparc/kernel/of_device.c @@ -495,7 +495,7 @@ static void __init build_device_resources(struct of_device *op, u32 *reg = (preg + (index * ((na + ns) * 4))); struct device_node *dp = op->node; struct device_node *pp = p_op->node; - struct of_bus *pbus; + struct of_bus *pbus, *dbus; u64 size, result = OF_BAD_ADDR; unsigned long flags; int dna, dns; @@ -516,6 +516,7 @@ static void __init build_device_resources(struct of_device *op, dna = na; dns = ns; + dbus = bus; while (1) { dp = pp; @@ -528,13 +529,13 @@ static void __init build_device_resources(struct of_device *op, pbus = of_match_bus(pp); pbus->count_cells(dp, &pna, &pns); - if (build_one_resource(dp, bus, pbus, addr, + if (build_one_resource(dp, dbus, pbus, addr, dna, dns, pna)) break; dna = pna; dns = pns; - bus = pbus; + dbus = pbus; } build_res: @@ -549,9 +550,6 @@ static void __init build_device_resources(struct of_device *op, r->start = result & 0xffffffff; r->end = result + size - 1; r->flags = flags | ((result >> 32ULL) & 0xffUL); - } else { - r->start = ~0UL; - r->end = ~0UL; } r->name = op->node->name; } diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index 207f1b6eef5..3fa5f95c461 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -944,6 +944,14 @@ int pcibios_assign_resource(struct pci_dev *pdev, int resource) return -ENXIO; } +struct device_node *pci_device_to_OF_node(struct pci_dev *pdev) +{ + struct pcidev_cookie *pc = pdev->sysdata; + + return pc->prom_node; +} +EXPORT_SYMBOL(pci_device_to_OF_node); + /* * This probably belongs here rather than ioport.c because * we do not want this crud linked into SBus kernels. diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig index 0f44a6a6675..860b8b60526 100644 --- a/arch/sparc64/defconfig +++ b/arch/sparc64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20 -# Sun Feb 11 23:47:40 2007 +# Linux kernel version: 2.6.21-rc2 +# Wed Feb 28 09:50:51 2007 # CONFIG_SPARC=y CONFIG_SPARC64=y @@ -41,6 +41,7 @@ CONFIG_LOCALVERSION="" CONFIG_SWAP=y CONFIG_SYSVIPC=y # CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set @@ -322,6 +323,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -787,6 +789,7 @@ CONFIG_I2C_ALGOBIT=y # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_OCORES is not set # CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_PASEMI is not set # CONFIG_I2C_PROSAVAGE is not set # CONFIG_I2C_SAVAGE4 is not set # CONFIG_I2C_SIS5595 is not set @@ -833,6 +836,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set @@ -874,6 +878,11 @@ CONFIG_HWMON=y # CONFIG_HWMON_DEBUG_CHIP is not set # +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -887,16 +896,22 @@ CONFIG_HWMON=y # # Graphics support # -# CONFIG_FIRMWARE_EDID is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set CONFIG_FB_DDC=y CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set # CONFIG_FB_BACKLIGHT is not set CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y + +# +# Frambuffer hardware drivers +# # CONFIG_FB_CIRRUS is not set # CONFIG_FB_PM2 is not set # CONFIG_FB_ASILIANT is not set @@ -908,9 +923,11 @@ CONFIG_FB_TILEBLITTING=y # CONFIG_FB_MATROX is not set CONFIG_FB_RADEON=y CONFIG_FB_RADEON_I2C=y +# CONFIG_FB_RADEON_BACKLIGHT is not set # CONFIG_FB_RADEON_DEBUG is not set # CONFIG_FB_ATY128 is not set # CONFIG_FB_ATY is not set +# CONFIG_FB_S3 is not set # CONFIG_FB_SAVAGE is not set # CONFIG_FB_SIS is not set # CONFIG_FB_NEOMAGIC is not set @@ -947,7 +964,6 @@ CONFIG_LOGO=y # CONFIG_LOGO_LINUX_VGA16 is not set # CONFIG_LOGO_LINUX_CLUT224 is not set CONFIG_LOGO_SUN_CLUT224=y -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -1192,6 +1208,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1202,6 +1219,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set # CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # @@ -1445,9 +1463,11 @@ CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set CONFIG_LOG_BUF_SHIFT=18 CONFIG_DETECT_SOFTLOCKUP=y CONFIG_SCHEDSTATS=y +# CONFIG_TIMER_STATS is not set # CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set @@ -1465,6 +1485,7 @@ CONFIG_DEBUG_BUGVERBOSE=y CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_LKDTM is not set +# CONFIG_FAULT_INJECTION is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_DEBUG_DCFLUSH is not set # CONFIG_STACK_DEBUG is not set diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index b5ff3ee5ace..c443db18437 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -109,6 +109,7 @@ static unsigned char virt_irq_alloc(unsigned int real_irq) return ent; } +#ifdef CONFIG_PCI_MSI static void virt_irq_free(unsigned int virt_irq) { unsigned int real_irq; @@ -121,6 +122,7 @@ static void virt_irq_free(unsigned int virt_irq) __bucket(real_irq)->virt_irq = 0; } +#endif static unsigned int virt_to_real_irq(unsigned char virt_irq) { diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c index b0f3e0082a0..fb9bf1e4d03 100644 --- a/arch/sparc64/kernel/of_device.c +++ b/arch/sparc64/kernel/of_device.c @@ -581,7 +581,7 @@ static void __init build_device_resources(struct of_device *op, u32 *reg = (preg + (index * ((na + ns) * 4))); struct device_node *dp = op->node; struct device_node *pp = p_op->node; - struct of_bus *pbus; + struct of_bus *pbus, *dbus; u64 size, result = OF_BAD_ADDR; unsigned long flags; int dna, dns; @@ -599,6 +599,7 @@ static void __init build_device_resources(struct of_device *op, dna = na; dns = ns; + dbus = bus; while (1) { dp = pp; @@ -611,13 +612,13 @@ static void __init build_device_resources(struct of_device *op, pbus = of_match_bus(pp); pbus->count_cells(dp, &pna, &pns); - if (build_one_resource(dp, bus, pbus, addr, + if (build_one_resource(dp, dbus, pbus, addr, dna, dns, pna)) break; dna = pna; dns = pns; - bus = pbus; + dbus = pbus; } build_res: @@ -635,9 +636,6 @@ static void __init build_device_resources(struct of_device *op, r->start = result; r->end = result + size - 1; r->flags = flags; - } else { - r->start = ~0UL; - r->end = ~0UL; } r->name = op->node->name; } @@ -708,7 +706,7 @@ static unsigned int __init pci_irq_swizzle(struct device_node *dp, unsigned int irq) { struct linux_prom_pci_registers *regs; - unsigned int devfn, slot, ret; + unsigned int bus, devfn, slot, ret; if (irq < 1 || irq > 4) return irq; @@ -717,10 +715,46 @@ static unsigned int __init pci_irq_swizzle(struct device_node *dp, if (!regs) return irq; + bus = (regs->phys_hi >> 16) & 0xff; devfn = (regs->phys_hi >> 8) & 0xff; slot = (devfn >> 3) & 0x1f; - ret = ((irq - 1 + (slot & 3)) & 3) + 1; + if (pp->irq_trans) { + /* Derived from Table 8-3, U2P User's Manual. This branch + * is handling a PCI controller that lacks a proper set of + * interrupt-map and interrupt-map-mask properties. The + * Ultra-E450 is one example. + * + * The bit layout is BSSLL, where: + * B: 0 on bus A, 1 on bus B + * D: 2-bit slot number, derived from PCI device number as + * (dev - 1) for bus A, or (dev - 2) for bus B + * L: 2-bit line number + * + * Actually, more "portable" way to calculate the funky + * slot number is to subtract pbm->pci_first_slot from the + * device number, and that's exactly what the pre-OF + * sparc64 code did, but we're building this stuff generically + * using the OBP tree, not in the PCI controller layer. + */ + if (bus & 0x80) { + /* PBM-A */ + bus = 0x00; + slot = (slot - 1) << 2; + } else { + /* PBM-B */ + bus = 0x10; + slot = (slot - 2) << 2; + } + irq -= 1; + + ret = (bus | slot | irq); + } else { + /* Going through a PCI-PCI bridge that lacks a set of + * interrupt-map and interrupt-map-mask properties. + */ + ret = ((irq - 1 + (slot & 3)) & 3) + 1; + } return ret; } diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index 6b740eb6fe7..196b4b72482 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -668,7 +668,7 @@ int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) void arch_teardown_msi_irq(unsigned int virt_irq) { - struct msi_desc *entry = get_irq_data(virt_irq); + struct msi_desc *entry = get_irq_msi(virt_irq); struct pci_dev *pdev = entry->dev; struct pcidev_cookie *pcp = pdev->sysdata; struct pci_pbm_info *pbm = pcp->pbm; @@ -681,4 +681,12 @@ void arch_teardown_msi_irq(unsigned int virt_irq) } #endif /* !(CONFIG_PCI_MSI) */ +struct device_node *pci_device_to_OF_node(struct pci_dev *pdev) +{ + struct pcidev_cookie *pc = pdev->sysdata; + + return pc->op->node; +} +EXPORT_SYMBOL(pci_device_to_OF_node); + #endif /* !(CONFIG_PCI) */ diff --git a/arch/um/Kconfig.char b/arch/um/Kconfig.char index e03e40c7aac..a5b079d5e86 100644 --- a/arch/um/Kconfig.char +++ b/arch/um/Kconfig.char @@ -146,6 +146,25 @@ config LEGACY_PTYS security. This option enables these legacy devices; on most systems, it is safe to say N. +config RAW_DRIVER + tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)" + help + The raw driver permits block devices to be bound to /dev/raw/rawN. + Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O. + See the raw(8) manpage for more details. + + The raw driver is deprecated and will be removed soon. + Applications should simply open the device (eg /dev/hda1) + with the O_DIRECT flag. + +config MAX_RAW_DEVS + int "Maximum number of RAW devices to support (1-8192)" + depends on RAW_DRIVER + default "256" + help + The maximum number of RAW devices that are supported. + Default is 256. Increase this number in case you need lots of + raw devices. config LEGACY_PTY_COUNT int "Maximum number of legacy PTY in use" diff --git a/arch/um/drivers/daemon_user.c b/arch/um/drivers/daemon_user.c index 310af0f1e49..021b82c7a75 100644 --- a/arch/um/drivers/daemon_user.c +++ b/arch/um/drivers/daemon_user.c @@ -56,30 +56,31 @@ static int connect_to_switch(struct daemon_data *pri) pri->control = socket(AF_UNIX, SOCK_STREAM, 0); if(pri->control < 0){ + err = -errno; printk("daemon_open : control socket failed, errno = %d\n", - errno); - return(-errno); + -err); + return err; } if(connect(pri->control, (struct sockaddr *) ctl_addr, sizeof(*ctl_addr)) < 0){ - printk("daemon_open : control connect failed, errno = %d\n", - errno); err = -errno; + printk("daemon_open : control connect failed, errno = %d\n", + -err); goto out; } fd = socket(AF_UNIX, SOCK_DGRAM, 0); if(fd < 0){ - printk("daemon_open : data socket failed, errno = %d\n", - errno); err = -errno; + printk("daemon_open : data socket failed, errno = %d\n", + -err); goto out; } if(bind(fd, (struct sockaddr *) local_addr, sizeof(*local_addr)) < 0){ - printk("daemon_open : data bind failed, errno = %d\n", - errno); err = -errno; + printk("daemon_open : data bind failed, errno = %d\n", + -err); goto out_close; } diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 01d4ab6b0ef..f75d7b05c48 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -370,10 +370,10 @@ static irqreturn_t line_write_interrupt(int irq, void *data) struct tty_struct *tty = line->tty; int err; - /* Interrupts are enabled here because we registered the interrupt with + /* Interrupts are disabled here because we registered the interrupt with * IRQF_DISABLED (see line_setup_irq).*/ - spin_lock_irq(&line->lock); + spin_lock(&line->lock); err = flush_buffer(line); if (err == 0) { return IRQ_NONE; @@ -381,7 +381,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data) line->head = line->buffer; line->tail = line->buffer; } - spin_unlock_irq(&line->lock); + spin_unlock(&line->lock); if(tty == NULL) return IRQ_NONE; diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c index 8138f5ea1bf..b827e82884c 100644 --- a/arch/um/drivers/mcast_user.c +++ b/arch/um/drivers/mcast_user.c @@ -50,6 +50,14 @@ static void mcast_user_init(void *data, void *dev) pri->dev = dev; } +static void mcast_remove(void *data) +{ + struct mcast_data *pri = data; + + kfree(pri->mcast_addr); + pri->mcast_addr = NULL; +} + static int mcast_open(void *data) { struct mcast_data *pri = data; @@ -157,7 +165,7 @@ const struct net_user_info mcast_user_info = { .init = mcast_user_init, .open = mcast_open, .close = mcast_close, - .remove = NULL, + .remove = mcast_remove, .set_mtu = mcast_set_mtu, .add_address = NULL, .delete_address = NULL, diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c index fc22b9bd915..4b382a6e710 100644 --- a/arch/um/drivers/ssl.c +++ b/arch/um/drivers/ssl.c @@ -179,7 +179,7 @@ static struct console ssl_cons = { .write = ssl_console_write, .device = ssl_console_device, .setup = ssl_console_setup, - .flags = CON_PRINTBUFFER, + .flags = CON_PRINTBUFFER|CON_ANYTIME, .index = -1, }; diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c index 7ff0b0fc37e..76d1f1c980e 100644 --- a/arch/um/drivers/stdio_console.c +++ b/arch/um/drivers/stdio_console.c @@ -153,7 +153,7 @@ static struct console stdiocons = { .write = uml_console_write, .device = uml_console_device, .setup = uml_console_setup, - .flags = CON_PRINTBUFFER, + .flags = CON_PRINTBUFFER|CON_ANYTIME, .index = -1, }; diff --git a/arch/um/include/os.h b/arch/um/include/os.h index 8629bd19149..5c74da41045 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -192,7 +192,9 @@ extern int os_process_parent(int pid); extern void os_stop_process(int pid); extern void os_kill_process(int pid, int reap_child); extern void os_kill_ptraced_process(int pid, int reap_child); +#ifdef UML_CONFIG_MODE_TT extern void os_usr1_process(int pid); +#endif extern long os_ptrace_ldt(long pid, long addr, long data); extern int os_getpid(void); @@ -261,7 +263,6 @@ extern void block_signals(void); extern void unblock_signals(void); extern int get_signals(void); extern int set_signals(int enable); -extern void os_usr1_signal(int on); /* trap.c */ extern void os_fill_handlinfo(struct kern_handlers h); diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c index 50a288bb875..dbf2f5bc842 100644 --- a/arch/um/kernel/irq.c +++ b/arch/um/kernel/irq.c @@ -142,6 +142,7 @@ int activate_fd(int irq, int fd, int type, void *dev_id) .events = events, .current_events = 0 } ); + err = -EBUSY; spin_lock_irqsave(&irq_lock, flags); for (irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next) { if ((irq_fd->fd == fd) && (irq_fd->type == type)) { diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c index 2a32e5e8e9c..3c798cdde55 100644 --- a/arch/um/kernel/signal.c +++ b/arch/um/kernel/signal.c @@ -158,12 +158,12 @@ static int kern_do_signal(struct pt_regs *regs) clear_thread_flag(TIF_RESTORE_SIGMASK); sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); } - return(handled_sig); + return handled_sig; } int do_signal(void) { - return(kern_do_signal(¤t->thread.regs)); + return kern_do_signal(¤t->thread.regs); } /* @@ -186,5 +186,5 @@ long sys_sigsuspend(int history0, int history1, old_sigset_t mask) long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) { - return(do_sigaltstack(uss, uoss, PT_REGS_SP(¤t->thread.regs))); + return do_sigaltstack(uss, uoss, PT_REGS_SP(¤t->thread.regs)); } diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c index 3a8d7e3aae0..608784d4ec5 100644 --- a/arch/um/os-Linux/elf_aux.c +++ b/arch/um/os-Linux/elf_aux.c @@ -39,6 +39,9 @@ __init void scan_elf_aux( char **envp) switch ( auxv->a_type ) { case AT_SYSINFO: __kernel_vsyscall = auxv->a_un.a_val; + /* See if the page is under TASK_SIZE */ + if (__kernel_vsyscall < (unsigned long) envp) + __kernel_vsyscall = 0; break; case AT_SYSINFO_EHDR: vsyscall_ehdr = auxv->a_un.a_val; diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c index c692a192957..76bdd671241 100644 --- a/arch/um/os-Linux/process.c +++ b/arch/um/os-Linux/process.c @@ -21,6 +21,7 @@ #include "longjmp.h" #include "skas_ptrace.h" #include "kern_constants.h" +#include "uml-config.h" #define ARBITRARY_ADDR -1 #define FAILURE_PID -1 @@ -131,10 +132,12 @@ void os_kill_ptraced_process(int pid, int reap_child) CATCH_EINTR(waitpid(pid, NULL, 0)); } +#ifdef UML_CONFIG_MODE_TT void os_usr1_process(int pid) { kill(pid, SIGUSR1); } +#endif /* Don't use the glibc version, which caches the result in TLS. It misses some * syscalls, and also breaks with clone(), which does not unshare the TLS. diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c index b2e1fd8e357..3fc43b33db6 100644 --- a/arch/um/os-Linux/sigio.c +++ b/arch/um/os-Linux/sigio.c @@ -334,8 +334,11 @@ void maybe_sigio_broken(int fd, int read) sigio_lock(); err = need_poll(&all_sigio_fds, all_sigio_fds.used + 1); - if(err) + if(err){ + printk("maybe_sigio_broken - failed to add pollfd for " + "descriptor %d\n", fd); goto out; + } all_sigio_fds.poll[all_sigio_fds.used++] = ((struct pollfd) { .fd = fd, diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c index b897e8592d7..266768629fe 100644 --- a/arch/um/os-Linux/signal.c +++ b/arch/um/os-Linux/signal.c @@ -243,8 +243,3 @@ int set_signals(int enable) return ret; } - -void os_usr1_signal(int on) -{ - change_sig(SIGUSR1, on); -} diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index 9b34fe65949..dda06789bcb 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -419,9 +419,12 @@ void map_stub_pages(int fd, unsigned long code, .offset = code_offset } } }); n = os_write_file(fd, &mmop, sizeof(mmop)); - if(n != sizeof(mmop)) + if(n != sizeof(mmop)){ + printk("mmap args - addr = 0x%lx, fd = %d, offset = %llx\n", + code, code_fd, (unsigned long long) code_offset); panic("map_stub_pages : /proc/mm map for code failed, " "err = %d\n", -n); + } if ( stack ) { __u64 map_offset; diff --git a/arch/um/os-Linux/trap.c b/arch/um/os-Linux/trap.c index 1df231a2624..d221214d2ed 100644 --- a/arch/um/os-Linux/trap.c +++ b/arch/um/os-Linux/trap.c @@ -16,6 +16,7 @@ void usr2_handler(int sig, union uml_pt_regs *regs) CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0); } +/* Initialized from linux_main() */ void (*sig_info[NSIG])(int, union uml_pt_regs *); void os_fill_handlinfo(struct kern_handlers h) diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c index 5db7737df0f..4a8b4202ef9 100644 --- a/arch/um/sys-i386/ldt.c +++ b/arch/um/sys-i386/ldt.c @@ -7,6 +7,7 @@ #include "linux/slab.h" #include "linux/types.h" #include "linux/errno.h" +#include "linux/spinlock.h" #include "asm/uaccess.h" #include "asm/smp.h" #include "asm/ldt.h" @@ -386,23 +387,33 @@ static long do_modify_ldt_skas(int func, void __user *ptr, return ret; } -short dummy_list[9] = {0, -1}; -short * host_ldt_entries = NULL; +static DEFINE_SPINLOCK(host_ldt_lock); +static short dummy_list[9] = {0, -1}; +static short * host_ldt_entries = NULL; -void ldt_get_host_info(void) +static void ldt_get_host_info(void) { long ret; - struct ldt_entry * ldt; + struct ldt_entry * ldt, *tmp; int i, size, k, order; + spin_lock(&host_ldt_lock); + + if(host_ldt_entries != NULL){ + spin_unlock(&host_ldt_lock); + return; + } host_ldt_entries = dummy_list+1; + spin_unlock(&host_ldt_lock); + for(i = LDT_PAGES_MAX-1, order=0; i; i>>=1, order++); ldt = (struct ldt_entry *) __get_free_pages(GFP_KERNEL|__GFP_ZERO, order); if(ldt == NULL) { - printk("ldt_get_host_info: couldn't allocate buffer for host ldt\n"); + printk("ldt_get_host_info: couldn't allocate buffer for host " + "ldt\n"); return; } @@ -426,11 +437,13 @@ void ldt_get_host_info(void) host_ldt_entries = dummy_list; else { size = (size + 1) * sizeof(dummy_list[0]); - host_ldt_entries = kmalloc(size, GFP_KERNEL); - if(host_ldt_entries == NULL) { - printk("ldt_get_host_info: couldn't allocate host ldt list\n"); + tmp = kmalloc(size, GFP_KERNEL); + if(tmp == NULL) { + printk("ldt_get_host_info: couldn't allocate host ldt " + "list\n"); goto out_free; } + host_ldt_entries = tmp; } for(i=0, k=0; i<ret/LDT_ENTRY_SIZE; i++){ @@ -480,8 +493,7 @@ long init_new_ldt(struct mmu_context_skas * new_mm, * inherited from the host. All ldt-entries found * will be reset in the following loop */ - if(host_ldt_entries == NULL) - ldt_get_host_info(); + ldt_get_host_info(); for(num_p=host_ldt_entries; *num_p != -1; num_p++){ desc.entry_number = *num_p; err = write_ldt_entry(&new_mm->id, 1, &desc, @@ -560,6 +572,6 @@ void free_ldt(struct mmu_context_skas * mm) int sys_modify_ldt(int func, void __user *ptr, unsigned long bytecount) { - return(CHOOSE_MODE_PROC(do_modify_ldt_tt, do_modify_ldt_skas, func, - ptr, bytecount)); + return CHOOSE_MODE_PROC(do_modify_ldt_tt, do_modify_ldt_skas, func, + ptr, bytecount); } diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c index 01b91f9fa78..b3f6350cac4 100644 --- a/arch/um/sys-x86_64/syscalls.c +++ b/arch/um/sys-x86_64/syscalls.c @@ -103,6 +103,9 @@ long arch_prctl_skas(struct task_struct *task, int code, switch(code){ case ARCH_SET_FS: + current->thread.arch.fs = (unsigned long) ptr; + save_registers(pid, ¤t->thread.regs.regs); + break; case ARCH_SET_GS: save_registers(pid, ¤t->thread.regs.regs); break; @@ -140,9 +143,8 @@ long sys_clone(unsigned long clone_flags, unsigned long newsp, void arch_switch_to_skas(struct task_struct *from, struct task_struct *to) { - if(to->thread.arch.fs == 0) + if((to->thread.arch.fs == 0) || (to->mm == NULL)) return; arch_prctl_skas(to, ARCH_SET_FS, (void __user *) to->thread.arch.fs); } - diff --git a/arch/x86_64/ia32/ptrace32.c b/arch/x86_64/ia32/ptrace32.c index 04566fe5de4..4de3a54318f 100644 --- a/arch/x86_64/ia32/ptrace32.c +++ b/arch/x86_64/ia32/ptrace32.c @@ -243,6 +243,7 @@ asmlinkage long sys32_ptrace(long request, u32 pid, u32 addr, u32 data) case PTRACE_SINGLESTEP: case PTRACE_DETACH: case PTRACE_SYSCALL: + case PTRACE_OLDSETOPTIONS: case PTRACE_SETOPTIONS: case PTRACE_SET_THREAD_AREA: case PTRACE_GET_THREAD_AREA: diff --git a/arch/x86_64/kernel/cpufreq/Kconfig b/arch/x86_64/kernel/cpufreq/Kconfig index 45a6a1fd14a..ced15d06f0f 100644 --- a/arch/x86_64/kernel/cpufreq/Kconfig +++ b/arch/x86_64/kernel/cpufreq/Kconfig @@ -45,7 +45,6 @@ config X86_SPEEDSTEP_CENTRINO config X86_SPEEDSTEP_CENTRINO_ACPI bool depends on X86_SPEEDSTEP_CENTRINO - default y config X86_ACPI_CPUFREQ tristate "ACPI Processor P-States driver" diff --git a/arch/x86_64/kernel/early-quirks.c b/arch/x86_64/kernel/early-quirks.c index 8047ea8c2ab..dec587b293b 100644 --- a/arch/x86_64/kernel/early-quirks.c +++ b/arch/x86_64/kernel/early-quirks.c @@ -30,11 +30,8 @@ static void via_bugs(void) #ifdef CONFIG_ACPI -static int nvidia_hpet_detected __initdata; - static int __init nvidia_hpet_check(struct acpi_table_header *header) { - nvidia_hpet_detected = 1; return 0; } #endif @@ -52,11 +49,7 @@ static void nvidia_bugs(void) if (acpi_use_timer_override) return; - nvidia_hpet_detected = 0; - if (acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check)) - return; - - if (nvidia_hpet_detected == 0) { + if (acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check)) { acpi_skip_timer_override = 1; printk(KERN_INFO "Nvidia board " "detected. Ignoring ACPI " diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index 9f5dac64aa8..ed4350ced3d 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -675,6 +675,9 @@ END(invalidate_interrupt\num) ENTRY(call_function_interrupt) apicinterrupt CALL_FUNCTION_VECTOR,smp_call_function_interrupt END(call_function_interrupt) +ENTRY(irq_move_cleanup_interrupt) + apicinterrupt IRQ_MOVE_CLEANUP_VECTOR,smp_irq_move_cleanup_interrupt +END(irq_move_cleanup_interrupt) #endif ENTRY(apic_timer_interrupt) diff --git a/arch/x86_64/kernel/hpet.c b/arch/x86_64/kernel/hpet.c index 65a0edd71a1..8cf0b8a1377 100644 --- a/arch/x86_64/kernel/hpet.c +++ b/arch/x86_64/kernel/hpet.c @@ -12,6 +12,12 @@ #include <asm/timex.h> #include <asm/hpet.h> +#define HPET_MASK 0xFFFFFFFF +#define HPET_SHIFT 22 + +/* FSEC = 10^-15 NSEC = 10^-9 */ +#define FSEC_PER_NSEC 1000000 + int nohpet __initdata; unsigned long hpet_address; @@ -106,9 +112,31 @@ int hpet_timer_stop_set_go(unsigned long tick) return 0; } +static cycle_t read_hpet(void) +{ + return (cycle_t)hpet_readl(HPET_COUNTER); +} + +static cycle_t __vsyscall_fn vread_hpet(void) +{ + return readl((void __iomem *)fix_to_virt(VSYSCALL_HPET) + 0xf0); +} + +struct clocksource clocksource_hpet = { + .name = "hpet", + .rating = 250, + .read = read_hpet, + .mask = (cycle_t)HPET_MASK, + .mult = 0, /* set below */ + .shift = HPET_SHIFT, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, + .vread = vread_hpet, +}; + int hpet_arch_init(void) { unsigned int id; + u64 tmp; if (!hpet_address) return -1; @@ -132,6 +160,22 @@ int hpet_arch_init(void) hpet_use_timer = (id & HPET_ID_LEGSUP); + /* + * hpet period is in femto seconds per cycle + * so we need to convert this to ns/cyc units + * aproximated by mult/2^shift + * + * fsec/cyc * 1nsec/1000000fsec = nsec/cyc = mult/2^shift + * fsec/cyc * 1ns/1000000fsec * 2^shift = mult + * fsec/cyc * 2^shift * 1nsec/1000000fsec = mult + * (fsec/cyc << shift)/1000000 = mult + * (hpet_period << shift)/FSEC_PER_NSEC = mult + */ + tmp = (u64)hpet_period << HPET_SHIFT; + do_div(tmp, FSEC_PER_NSEC); + clocksource_hpet.mult = (u32)tmp; + clocksource_register(&clocksource_hpet); + return hpet_timer_stop_set_go(hpet_tick); } @@ -444,68 +488,3 @@ static int __init nohpet_setup(char *s) } __setup("nohpet", nohpet_setup); - -#define HPET_MASK 0xFFFFFFFF -#define HPET_SHIFT 22 - -/* FSEC = 10^-15 NSEC = 10^-9 */ -#define FSEC_PER_NSEC 1000000 - -static void *hpet_ptr; - -static cycle_t read_hpet(void) -{ - return (cycle_t)readl(hpet_ptr); -} - -static cycle_t __vsyscall_fn vread_hpet(void) -{ - return readl((void __iomem *)fix_to_virt(VSYSCALL_HPET) + 0xf0); -} - -struct clocksource clocksource_hpet = { - .name = "hpet", - .rating = 250, - .read = read_hpet, - .mask = (cycle_t)HPET_MASK, - .mult = 0, /* set below */ - .shift = HPET_SHIFT, - .flags = CLOCK_SOURCE_IS_CONTINUOUS, - .vread = vread_hpet, -}; - -static int __init init_hpet_clocksource(void) -{ - unsigned long hpet_period; - void __iomem *hpet_base; - u64 tmp; - - if (!hpet_address) - return -ENODEV; - - /* calculate the hpet address: */ - hpet_base = ioremap_nocache(hpet_address, HPET_MMAP_SIZE); - hpet_ptr = hpet_base + HPET_COUNTER; - - /* calculate the frequency: */ - hpet_period = readl(hpet_base + HPET_PERIOD); - - /* - * hpet period is in femto seconds per cycle - * so we need to convert this to ns/cyc units - * aproximated by mult/2^shift - * - * fsec/cyc * 1nsec/1000000fsec = nsec/cyc = mult/2^shift - * fsec/cyc * 1ns/1000000fsec * 2^shift = mult - * fsec/cyc * 2^shift * 1nsec/1000000fsec = mult - * (fsec/cyc << shift)/1000000 = mult - * (hpet_period << shift)/FSEC_PER_NSEC = mult - */ - tmp = (u64)hpet_period << HPET_SHIFT; - do_div(tmp, FSEC_PER_NSEC); - clocksource_hpet.mult = (u32)tmp; - - return clocksource_register(&clocksource_hpet); -} - -module_init(init_hpet_clocksource); diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c index 01e2cf0bdeb..21d95b74743 100644 --- a/arch/x86_64/kernel/i8259.c +++ b/arch/x86_64/kernel/i8259.c @@ -299,7 +299,7 @@ void init_8259A(int auto_eoi) * outb_p - this has to work on a wide range of PC hardware. */ outb_p(0x11, 0x20); /* ICW1: select 8259A-1 init */ - outb_p(0x20 + 0, 0x21); /* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */ + outb_p(IRQ0_VECTOR, 0x21); /* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */ outb_p(0x04, 0x21); /* 8259A-1 (the master) has a slave on IR2 */ if (auto_eoi) outb_p(0x03, 0x21); /* master does Auto EOI */ @@ -307,7 +307,7 @@ void init_8259A(int auto_eoi) outb_p(0x01, 0x21); /* master expects normal EOI */ outb_p(0x11, 0xA0); /* ICW1: select 8259A-2 init */ - outb_p(0x20 + 8, 0xA1); /* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */ + outb_p(IRQ8_VECTOR, 0xA1); /* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */ outb_p(0x02, 0xA1); /* 8259A-2 is a slave on master's IR2 */ outb_p(0x01, 0xA1); /* (slave's support for AEOI in flat mode is to be investigated) */ @@ -398,24 +398,24 @@ device_initcall(i8259A_init_sysfs); static struct irqaction irq2 = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL}; DEFINE_PER_CPU(vector_irq_t, vector_irq) = { - [0 ... FIRST_EXTERNAL_VECTOR - 1] = -1, - [FIRST_EXTERNAL_VECTOR + 0] = 0, - [FIRST_EXTERNAL_VECTOR + 1] = 1, - [FIRST_EXTERNAL_VECTOR + 2] = 2, - [FIRST_EXTERNAL_VECTOR + 3] = 3, - [FIRST_EXTERNAL_VECTOR + 4] = 4, - [FIRST_EXTERNAL_VECTOR + 5] = 5, - [FIRST_EXTERNAL_VECTOR + 6] = 6, - [FIRST_EXTERNAL_VECTOR + 7] = 7, - [FIRST_EXTERNAL_VECTOR + 8] = 8, - [FIRST_EXTERNAL_VECTOR + 9] = 9, - [FIRST_EXTERNAL_VECTOR + 10] = 10, - [FIRST_EXTERNAL_VECTOR + 11] = 11, - [FIRST_EXTERNAL_VECTOR + 12] = 12, - [FIRST_EXTERNAL_VECTOR + 13] = 13, - [FIRST_EXTERNAL_VECTOR + 14] = 14, - [FIRST_EXTERNAL_VECTOR + 15] = 15, - [FIRST_EXTERNAL_VECTOR + 16 ... NR_VECTORS - 1] = -1 + [0 ... IRQ0_VECTOR - 1] = -1, + [IRQ0_VECTOR] = 0, + [IRQ1_VECTOR] = 1, + [IRQ2_VECTOR] = 2, + [IRQ3_VECTOR] = 3, + [IRQ4_VECTOR] = 4, + [IRQ5_VECTOR] = 5, + [IRQ6_VECTOR] = 6, + [IRQ7_VECTOR] = 7, + [IRQ8_VECTOR] = 8, + [IRQ9_VECTOR] = 9, + [IRQ10_VECTOR] = 10, + [IRQ11_VECTOR] = 11, + [IRQ12_VECTOR] = 12, + [IRQ13_VECTOR] = 13, + [IRQ14_VECTOR] = 14, + [IRQ15_VECTOR] = 15, + [IRQ15_VECTOR + 1 ... NR_VECTORS - 1] = -1 }; void __init init_ISA_irqs (void) @@ -450,6 +450,7 @@ void spurious_interrupt(void); void error_interrupt(void); void reschedule_interrupt(void); void call_function_interrupt(void); +void irq_move_cleanup_interrupt(void); void invalidate_interrupt0(void); void invalidate_interrupt1(void); void invalidate_interrupt2(void); @@ -520,12 +521,6 @@ void __init init_IRQ(void) #ifdef CONFIG_SMP /* - * IRQ0 must be given a fixed assignment and initialized, - * because it's used before the IO-APIC is set up. - */ - __get_cpu_var(vector_irq)[FIRST_DEVICE_VECTOR] = 0; - - /* * The reschedule interrupt is a CPU-to-CPU reschedule-helper * IPI, driven by wakeup. */ @@ -543,7 +538,10 @@ void __init init_IRQ(void) /* IPI for generic function call */ set_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt); -#endif + + /* Low priority IPI to cleanup after moving an irq */ + set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt); +#endif set_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); set_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt); diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 950682f3576..c6a5bc7e811 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -36,6 +36,7 @@ #include <acpi/acpi_bus.h> #endif +#include <asm/idle.h> #include <asm/io.h> #include <asm/smp.h> #include <asm/desc.h> @@ -47,7 +48,35 @@ #include <asm/msidef.h> #include <asm/hypertransport.h> -static int assign_irq_vector(int irq, cpumask_t mask, cpumask_t *result); +struct irq_cfg { + cpumask_t domain; + cpumask_t old_domain; + unsigned move_cleanup_count; + u8 vector; + u8 move_in_progress : 1; +}; + +/* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */ +struct irq_cfg irq_cfg[NR_IRQS] __read_mostly = { + [0] = { .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR, }, + [1] = { .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR, }, + [2] = { .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR, }, + [3] = { .domain = CPU_MASK_ALL, .vector = IRQ3_VECTOR, }, + [4] = { .domain = CPU_MASK_ALL, .vector = IRQ4_VECTOR, }, + [5] = { .domain = CPU_MASK_ALL, .vector = IRQ5_VECTOR, }, + [6] = { .domain = CPU_MASK_ALL, .vector = IRQ6_VECTOR, }, + [7] = { .domain = CPU_MASK_ALL, .vector = IRQ7_VECTOR, }, + [8] = { .domain = CPU_MASK_ALL, .vector = IRQ8_VECTOR, }, + [9] = { .domain = CPU_MASK_ALL, .vector = IRQ9_VECTOR, }, + [10] = { .domain = CPU_MASK_ALL, .vector = IRQ10_VECTOR, }, + [11] = { .domain = CPU_MASK_ALL, .vector = IRQ11_VECTOR, }, + [12] = { .domain = CPU_MASK_ALL, .vector = IRQ12_VECTOR, }, + [13] = { .domain = CPU_MASK_ALL, .vector = IRQ13_VECTOR, }, + [14] = { .domain = CPU_MASK_ALL, .vector = IRQ14_VECTOR, }, + [15] = { .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, }, +}; + +static int assign_irq_vector(int irq, cpumask_t mask); #define __apicdebuginit __init @@ -74,7 +103,7 @@ int nr_ioapic_registers[MAX_IO_APICS]; * Rough estimation of how many shared IRQs there are, can * be changed anytime. */ -#define MAX_PLUS_SHARED_IRQS NR_IRQ_VECTORS +#define MAX_PLUS_SHARED_IRQS NR_IRQS #define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS) /* @@ -149,11 +178,11 @@ static inline void io_apic_sync(unsigned int apic) reg = io_apic_read(entry->apic, 0x10 + R + pin*2); \ reg ACTION; \ io_apic_modify(entry->apic, reg); \ + FINAL; \ if (!entry->next) \ break; \ entry = irq_2_pin + entry->next; \ } \ - FINAL; \ } union entry_union { @@ -237,21 +266,19 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) { + struct irq_cfg *cfg = irq_cfg + irq; unsigned long flags; unsigned int dest; cpumask_t tmp; - int vector; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) - tmp = TARGET_CPUS; - - cpus_and(mask, tmp, CPU_MASK_ALL); + return; - vector = assign_irq_vector(irq, mask, &tmp); - if (vector < 0) + if (assign_irq_vector(irq, mask)) return; + cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); /* @@ -260,8 +287,8 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) dest = SET_APIC_LOGICAL_ID(dest); spin_lock_irqsave(&ioapic_lock, flags); - __target_IO_APIC_irq(irq, dest, vector); - set_native_irq_info(irq, mask); + __target_IO_APIC_irq(irq, dest, cfg->vector); + irq_desc[irq].affinity = mask; spin_unlock_irqrestore(&ioapic_lock, flags); } #endif @@ -615,63 +642,7 @@ static int pin_2_irq(int idx, int apic, int pin) return irq; } -static inline int IO_APIC_irq_trigger(int irq) -{ - int apic, idx, pin; - - for (apic = 0; apic < nr_ioapics; apic++) { - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { - idx = find_irq_entry(apic,pin,mp_INT); - if ((idx != -1) && (irq == pin_2_irq(idx,apic,pin))) - return irq_trigger(idx); - } - } - /* - * nonexistent IRQs are edge default - */ - return 0; -} - -/* irq_vectors is indexed by the sum of all RTEs in all I/O APICs. */ -static u8 irq_vector[NR_IRQ_VECTORS] __read_mostly = { - [0] = FIRST_EXTERNAL_VECTOR + 0, - [1] = FIRST_EXTERNAL_VECTOR + 1, - [2] = FIRST_EXTERNAL_VECTOR + 2, - [3] = FIRST_EXTERNAL_VECTOR + 3, - [4] = FIRST_EXTERNAL_VECTOR + 4, - [5] = FIRST_EXTERNAL_VECTOR + 5, - [6] = FIRST_EXTERNAL_VECTOR + 6, - [7] = FIRST_EXTERNAL_VECTOR + 7, - [8] = FIRST_EXTERNAL_VECTOR + 8, - [9] = FIRST_EXTERNAL_VECTOR + 9, - [10] = FIRST_EXTERNAL_VECTOR + 10, - [11] = FIRST_EXTERNAL_VECTOR + 11, - [12] = FIRST_EXTERNAL_VECTOR + 12, - [13] = FIRST_EXTERNAL_VECTOR + 13, - [14] = FIRST_EXTERNAL_VECTOR + 14, - [15] = FIRST_EXTERNAL_VECTOR + 15, -}; - -static cpumask_t irq_domain[NR_IRQ_VECTORS] __read_mostly = { - [0] = CPU_MASK_ALL, - [1] = CPU_MASK_ALL, - [2] = CPU_MASK_ALL, - [3] = CPU_MASK_ALL, - [4] = CPU_MASK_ALL, - [5] = CPU_MASK_ALL, - [6] = CPU_MASK_ALL, - [7] = CPU_MASK_ALL, - [8] = CPU_MASK_ALL, - [9] = CPU_MASK_ALL, - [10] = CPU_MASK_ALL, - [11] = CPU_MASK_ALL, - [12] = CPU_MASK_ALL, - [13] = CPU_MASK_ALL, - [14] = CPU_MASK_ALL, - [15] = CPU_MASK_ALL, -}; - -static int __assign_irq_vector(int irq, cpumask_t mask, cpumask_t *result) +static int __assign_irq_vector(int irq, cpumask_t mask) { /* * NOTE! The local APIC isn't very good at handling @@ -685,20 +656,25 @@ static int __assign_irq_vector(int irq, cpumask_t mask, cpumask_t *result) * 0x80, because int 0x80 is hm, kind of importantish. ;) */ static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0; - int old_vector = -1; + unsigned int old_vector; int cpu; + struct irq_cfg *cfg; - BUG_ON((unsigned)irq >= NR_IRQ_VECTORS); + BUG_ON((unsigned)irq >= NR_IRQS); + cfg = &irq_cfg[irq]; /* Only try and allocate irqs on cpus that are present */ cpus_and(mask, mask, cpu_online_map); - if (irq_vector[irq] > 0) - old_vector = irq_vector[irq]; - if (old_vector > 0) { - cpus_and(*result, irq_domain[irq], mask); - if (!cpus_empty(*result)) - return old_vector; + if ((cfg->move_in_progress) || cfg->move_cleanup_count) + return -EBUSY; + + old_vector = cfg->vector; + if (old_vector) { + cpumask_t tmp; + cpus_and(tmp, cfg->domain, mask); + if (!cpus_empty(tmp)) + return 0; } for_each_cpu_mask(cpu, mask) { @@ -728,48 +704,47 @@ next: /* Found one! */ current_vector = vector; current_offset = offset; - if (old_vector >= 0) { - cpumask_t old_mask; - int old_cpu; - cpus_and(old_mask, irq_domain[irq], cpu_online_map); - for_each_cpu_mask(old_cpu, old_mask) - per_cpu(vector_irq, old_cpu)[old_vector] = -1; + if (old_vector) { + cfg->move_in_progress = 1; + cfg->old_domain = cfg->domain; } for_each_cpu_mask(new_cpu, new_mask) per_cpu(vector_irq, new_cpu)[vector] = irq; - irq_vector[irq] = vector; - irq_domain[irq] = domain; - cpus_and(*result, domain, mask); - return vector; + cfg->vector = vector; + cfg->domain = domain; + return 0; } return -ENOSPC; } -static int assign_irq_vector(int irq, cpumask_t mask, cpumask_t *result) +static int assign_irq_vector(int irq, cpumask_t mask) { - int vector; + int err; unsigned long flags; spin_lock_irqsave(&vector_lock, flags); - vector = __assign_irq_vector(irq, mask, result); + err = __assign_irq_vector(irq, mask); spin_unlock_irqrestore(&vector_lock, flags); - return vector; + return err; } static void __clear_irq_vector(int irq) { + struct irq_cfg *cfg; cpumask_t mask; int cpu, vector; - BUG_ON(!irq_vector[irq]); + BUG_ON((unsigned)irq >= NR_IRQS); + cfg = &irq_cfg[irq]; + BUG_ON(!cfg->vector); - vector = irq_vector[irq]; - cpus_and(mask, irq_domain[irq], cpu_online_map); + vector = cfg->vector; + cpus_and(mask, cfg->domain, cpu_online_map); for_each_cpu_mask(cpu, mask) per_cpu(vector_irq, cpu)[vector] = -1; - irq_vector[irq] = 0; - irq_domain[irq] = CPU_MASK_NONE; + cfg->vector = 0; + cfg->domain = CPU_MASK_NONE; } void __setup_vector_irq(int cpu) @@ -779,10 +754,10 @@ void __setup_vector_irq(int cpu) int irq, vector; /* Mark the inuse vectors */ - for (irq = 0; irq < NR_IRQ_VECTORS; ++irq) { - if (!cpu_isset(cpu, irq_domain[irq])) + for (irq = 0; irq < NR_IRQS; ++irq) { + if (!cpu_isset(cpu, irq_cfg[irq].domain)) continue; - vector = irq_vector[irq]; + vector = irq_cfg[irq].vector; per_cpu(vector_irq, cpu)[vector] = irq; } /* Mark the free vectors */ @@ -790,36 +765,45 @@ void __setup_vector_irq(int cpu) irq = per_cpu(vector_irq, cpu)[vector]; if (irq < 0) continue; - if (!cpu_isset(cpu, irq_domain[irq])) + if (!cpu_isset(cpu, irq_cfg[irq].domain)) per_cpu(vector_irq, cpu)[vector] = -1; } } -extern void (*interrupt[NR_IRQS])(void); - static struct irq_chip ioapic_chip; -#define IOAPIC_AUTO -1 -#define IOAPIC_EDGE 0 -#define IOAPIC_LEVEL 1 - -static void ioapic_register_intr(int irq, int vector, unsigned long trigger) +static void ioapic_register_intr(int irq, unsigned long trigger) { - if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || - trigger == IOAPIC_LEVEL) + if (trigger) set_irq_chip_and_handler_name(irq, &ioapic_chip, handle_fasteoi_irq, "fasteoi"); else set_irq_chip_and_handler_name(irq, &ioapic_chip, handle_edge_irq, "edge"); } -static void __init setup_IO_APIC_irq(int apic, int pin, int idx, int irq) + +static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq, + int trigger, int polarity) { + struct irq_cfg *cfg = irq_cfg + irq; struct IO_APIC_route_entry entry; - int vector; - unsigned long flags; + cpumask_t mask; + + if (!IO_APIC_IRQ(irq)) + return; + + mask = TARGET_CPUS; + if (assign_irq_vector(irq, mask)) + return; + + cpus_and(mask, cfg->domain, mask); + apic_printk(APIC_VERBOSE,KERN_DEBUG + "IOAPIC[%d]: Set routing entry (%d-%d -> 0x%x -> " + "IRQ %d Mode:%i Active:%i)\n", + apic, mp_ioapics[apic].mpc_apicid, pin, cfg->vector, + irq, trigger, polarity); /* * add it to the IO-APIC irq-routing table: @@ -828,41 +812,23 @@ static void __init setup_IO_APIC_irq(int apic, int pin, int idx, int irq) entry.delivery_mode = INT_DELIVERY_MODE; entry.dest_mode = INT_DEST_MODE; + entry.dest = cpu_mask_to_apicid(mask); entry.mask = 0; /* enable IRQ */ - entry.dest = cpu_mask_to_apicid(TARGET_CPUS); - - entry.trigger = irq_trigger(idx); - entry.polarity = irq_polarity(idx); + entry.trigger = trigger; + entry.polarity = polarity; + entry.vector = cfg->vector; - if (irq_trigger(idx)) { - entry.trigger = 1; + /* Mask level triggered irqs. + * Use IRQ_DELAYED_DISABLE for edge triggered irqs. + */ + if (trigger) entry.mask = 1; - entry.dest = cpu_mask_to_apicid(TARGET_CPUS); - } - if (!apic && !IO_APIC_IRQ(irq)) - return; - - if (IO_APIC_IRQ(irq)) { - cpumask_t mask; - vector = assign_irq_vector(irq, TARGET_CPUS, &mask); - if (vector < 0) - return; - - entry.dest = cpu_mask_to_apicid(mask); - entry.vector = vector; - - ioapic_register_intr(irq, vector, IOAPIC_AUTO); - if (!apic && (irq < 16)) - disable_8259A_irq(irq); - } + ioapic_register_intr(irq, trigger); + if (irq < 16) + disable_8259A_irq(irq); ioapic_write_entry(apic, pin, entry); - - spin_lock_irqsave(&ioapic_lock, flags); - set_native_irq_info(irq, TARGET_CPUS); - spin_unlock_irqrestore(&ioapic_lock, flags); - } static void __init setup_IO_APIC_irqs(void) @@ -887,8 +853,8 @@ static void __init setup_IO_APIC_irqs(void) irq = pin_2_irq(idx, apic, pin); add_pin_to_irq(irq, apic, pin); - setup_IO_APIC_irq(apic, pin, idx, irq); - + setup_IO_APIC_irq(apic, pin, irq, + irq_trigger(idx), irq_polarity(idx)); } } @@ -1373,16 +1339,15 @@ static unsigned int startup_ioapic_irq(unsigned int irq) static int ioapic_retrigger_irq(unsigned int irq) { + struct irq_cfg *cfg = &irq_cfg[irq]; cpumask_t mask; - unsigned vector; unsigned long flags; spin_lock_irqsave(&vector_lock, flags); - vector = irq_vector[irq]; cpus_clear(mask); - cpu_set(first_cpu(irq_domain[irq]), mask); + cpu_set(first_cpu(cfg->domain), mask); - send_IPI_mask(mask, vector); + send_IPI_mask(mask, cfg->vector); spin_unlock_irqrestore(&vector_lock, flags); return 1; @@ -1397,8 +1362,68 @@ static int ioapic_retrigger_irq(unsigned int irq) * races. */ +#ifdef CONFIG_SMP +asmlinkage void smp_irq_move_cleanup_interrupt(void) +{ + unsigned vector, me; + ack_APIC_irq(); + exit_idle(); + irq_enter(); + + me = smp_processor_id(); + for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) { + unsigned int irq; + struct irq_desc *desc; + struct irq_cfg *cfg; + irq = __get_cpu_var(vector_irq)[vector]; + if (irq >= NR_IRQS) + continue; + + desc = irq_desc + irq; + cfg = irq_cfg + irq; + spin_lock(&desc->lock); + if (!cfg->move_cleanup_count) + goto unlock; + + if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) + goto unlock; + + __get_cpu_var(vector_irq)[vector] = -1; + cfg->move_cleanup_count--; +unlock: + spin_unlock(&desc->lock); + } + + irq_exit(); +} + +static void irq_complete_move(unsigned int irq) +{ + struct irq_cfg *cfg = irq_cfg + irq; + unsigned vector, me; + + if (likely(!cfg->move_in_progress)) + return; + + vector = ~get_irq_regs()->orig_rax; + me = smp_processor_id(); + if ((vector == cfg->vector) && + cpu_isset(smp_processor_id(), cfg->domain)) { + cpumask_t cleanup_mask; + + cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); + cfg->move_cleanup_count = cpus_weight(cleanup_mask); + send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); + cfg->move_in_progress = 0; + } +} +#else +static inline void irq_complete_move(unsigned int irq) {} +#endif + static void ack_apic_edge(unsigned int irq) { + irq_complete_move(irq); move_native_irq(irq); ack_APIC_irq(); } @@ -1407,6 +1432,7 @@ static void ack_apic_level(unsigned int irq) { int do_unmask_irq = 0; + irq_complete_move(irq); #if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE) /* If we are moving the irq we need to mask it */ if (unlikely(irq_desc[irq].status & IRQ_MOVE_PENDING)) { @@ -1457,7 +1483,7 @@ static inline void init_IO_APIC_traps(void) */ for (irq = 0; irq < NR_IRQS ; irq++) { int tmp = irq; - if (IO_APIC_IRQ(tmp) && !irq_vector[tmp]) { + if (IO_APIC_IRQ(tmp) && !irq_cfg[tmp].vector) { /* * Hmm.. We don't have an entry for this, * so default to an old-fashioned 8259 @@ -1596,15 +1622,14 @@ static inline void unlock_ExtINT_logic(void) */ static inline void check_timer(void) { + struct irq_cfg *cfg = irq_cfg + 0; int apic1, pin1, apic2, pin2; - int vector; - cpumask_t mask; /* * get/set the timer IRQ vector: */ disable_8259A_irq(0); - vector = assign_irq_vector(0, TARGET_CPUS, &mask); + assign_irq_vector(0, TARGET_CPUS); /* * Subtle, code in do_timer_interrupt() expects an AEOI @@ -1624,7 +1649,7 @@ static inline void check_timer(void) apic2 = ioapic_i8259.apic; apic_printk(APIC_VERBOSE,KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n", - vector, apic1, pin1, apic2, pin2); + cfg->vector, apic1, pin1, apic2, pin2); if (pin1 != -1) { /* @@ -1655,7 +1680,7 @@ static inline void check_timer(void) /* * legacy devices should be connected to IO APIC #0 */ - setup_ExtINT_IRQ0_pin(apic2, pin2, vector); + setup_ExtINT_IRQ0_pin(apic2, pin2, cfg->vector); if (timer_irq_works()) { apic_printk(APIC_VERBOSE," works.\n"); nmi_watchdog_default(); @@ -1680,14 +1705,14 @@ static inline void check_timer(void) disable_8259A_irq(0); irq_desc[0].chip = &lapic_irq_type; - apic_write(APIC_LVT0, APIC_DM_FIXED | vector); /* Fixed mode */ + apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector); /* Fixed mode */ enable_8259A_irq(0); if (timer_irq_works()) { apic_printk(APIC_VERBOSE," works.\n"); return; } - apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | vector); + apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector); apic_printk(APIC_VERBOSE," failed.\n"); apic_printk(APIC_VERBOSE, KERN_INFO "...trying to set up timer as ExtINT IRQ..."); @@ -1834,19 +1859,16 @@ int create_irq(void) /* Allocate an unused irq */ int irq; int new; - int vector = 0; unsigned long flags; - cpumask_t mask; irq = -ENOSPC; spin_lock_irqsave(&vector_lock, flags); for (new = (NR_IRQS - 1); new >= 0; new--) { if (platform_legacy_irq(new)) continue; - if (irq_vector[new] != 0) + if (irq_cfg[new].vector != 0) continue; - vector = __assign_irq_vector(new, TARGET_CPUS, &mask); - if (likely(vector > 0)) + if (__assign_irq_vector(new, TARGET_CPUS) == 0) irq = new; break; } @@ -1875,12 +1897,15 @@ void destroy_irq(unsigned int irq) #ifdef CONFIG_PCI_MSI static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg) { - int vector; + struct irq_cfg *cfg = irq_cfg + irq; + int err; unsigned dest; cpumask_t tmp; - vector = assign_irq_vector(irq, TARGET_CPUS, &tmp); - if (vector >= 0) { + tmp = TARGET_CPUS; + err = assign_irq_vector(irq, tmp); + if (!err) { + cpus_and(tmp, cfg->domain, tmp); dest = cpu_mask_to_apicid(tmp); msg->address_hi = MSI_ADDR_BASE_HI; @@ -1900,40 +1925,38 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms ((INT_DELIVERY_MODE != dest_LowestPrio) ? MSI_DATA_DELIVERY_FIXED: MSI_DATA_DELIVERY_LOWPRI) | - MSI_DATA_VECTOR(vector); + MSI_DATA_VECTOR(cfg->vector); } - return vector; + return err; } #ifdef CONFIG_SMP static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) { + struct irq_cfg *cfg = irq_cfg + irq; struct msi_msg msg; unsigned int dest; cpumask_t tmp; - int vector; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) - tmp = TARGET_CPUS; - - cpus_and(mask, tmp, CPU_MASK_ALL); + return; - vector = assign_irq_vector(irq, mask, &tmp); - if (vector < 0) + if (assign_irq_vector(irq, mask)) return; + cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); read_msi_msg(irq, &msg); msg.data &= ~MSI_DATA_VECTOR_MASK; - msg.data |= MSI_DATA_VECTOR(vector); + msg.data |= MSI_DATA_VECTOR(cfg->vector); msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK; msg.address_lo |= MSI_ADDR_DEST_ID(dest); write_msi_msg(irq, &msg); - set_native_irq_info(irq, mask); + irq_desc[irq].affinity = mask; } #endif /* CONFIG_SMP */ @@ -2004,24 +2027,22 @@ static void target_ht_irq(unsigned int irq, unsigned int dest, u8 vector) static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) { + struct irq_cfg *cfg = irq_cfg + irq; unsigned int dest; cpumask_t tmp; - int vector; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) - tmp = TARGET_CPUS; - - cpus_and(mask, tmp, CPU_MASK_ALL); + return; - vector = assign_irq_vector(irq, mask, &tmp); - if (vector < 0) + if (assign_irq_vector(irq, mask)) return; + cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); - target_ht_irq(irq, dest, vector); - set_native_irq_info(irq, mask); + target_ht_irq(irq, dest, cfg->vector); + irq_desc[irq].affinity = mask; } #endif @@ -2038,14 +2059,17 @@ static struct irq_chip ht_irq_chip = { int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) { - int vector; + struct irq_cfg *cfg = irq_cfg + irq; + int err; cpumask_t tmp; - vector = assign_irq_vector(irq, TARGET_CPUS, &tmp); - if (vector >= 0) { + tmp = TARGET_CPUS; + err = assign_irq_vector(irq, tmp); + if (!err) { struct ht_irq_msg msg; unsigned dest; + cpus_and(tmp, cfg->domain, tmp); dest = cpu_mask_to_apicid(tmp); msg.address_hi = HT_IRQ_HIGH_DEST_ID(dest); @@ -2053,7 +2077,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) msg.address_lo = HT_IRQ_LOW_BASE | HT_IRQ_LOW_DEST_ID(dest) | - HT_IRQ_LOW_VECTOR(vector) | + HT_IRQ_LOW_VECTOR(cfg->vector) | ((INT_DEST_MODE == 0) ? HT_IRQ_LOW_DM_PHYSICAL : HT_IRQ_LOW_DM_LOGICAL) | @@ -2068,7 +2092,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) set_irq_chip_and_handler_name(irq, &ht_irq_chip, handle_edge_irq, "edge"); } - return vector; + return err; } #endif /* CONFIG_HT_IRQ */ @@ -2095,11 +2119,6 @@ int __init io_apic_get_redir_entries (int ioapic) int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int polarity) { - struct IO_APIC_route_entry entry; - unsigned long flags; - int vector; - cpumask_t mask; - if (!IO_APIC_IRQ(irq)) { apic_printk(APIC_QUIET,KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n", ioapic); @@ -2112,42 +2131,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int p if (irq >= 16) add_pin_to_irq(irq, ioapic, pin); - - vector = assign_irq_vector(irq, TARGET_CPUS, &mask); - if (vector < 0) - return vector; - - /* - * Generate a PCI IRQ routing entry and program the IOAPIC accordingly. - * Note that we mask (disable) IRQs now -- these get enabled when the - * corresponding device driver registers for this IRQ. - */ - - memset(&entry,0,sizeof(entry)); - - entry.delivery_mode = INT_DELIVERY_MODE; - entry.dest_mode = INT_DEST_MODE; - entry.dest = cpu_mask_to_apicid(mask); - entry.trigger = triggering; - entry.polarity = polarity; - entry.mask = 1; /* Disabled (masked) */ - entry.vector = vector & 0xff; - - apic_printk(APIC_VERBOSE,KERN_DEBUG "IOAPIC[%d]: Set PCI routing entry (%d-%d -> 0x%x -> " - "IRQ %d Mode:%i Active:%i)\n", ioapic, - mp_ioapics[ioapic].mpc_apicid, pin, entry.vector, irq, - triggering, polarity); - - ioapic_register_intr(irq, entry.vector, triggering); - - if (!ioapic && (irq < 16)) - disable_8259A_irq(irq); - - ioapic_write_entry(ioapic, pin, entry); - - spin_lock_irqsave(&ioapic_lock, flags); - set_native_irq_info(irq, TARGET_CPUS); - spin_unlock_irqrestore(&ioapic_lock, flags); + setup_IO_APIC_irq(ioapic, pin, irq, triggering, polarity); return 0; } @@ -2179,8 +2163,10 @@ void __init setup_ioapic_dest(void) * when you have too many devices, because at that time only boot * cpu is online. */ - if(!irq_vector[irq]) - setup_IO_APIC_irq(ioapic, pin, irq_entry, irq); + if (!irq_cfg[irq].vector) + setup_IO_APIC_irq(ioapic, pin, irq, + irq_trigger(irq_entry), + irq_polarity(irq_entry)); else set_ioapic_affinity_irq(irq, TARGET_CPUS); } diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index 35443729aad..cd4643a3702 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -923,8 +923,9 @@ void __init smp_prepare_boot_cpu(void) */ int __cpuinit __cpu_up(unsigned int cpu) { - int err; int apicid = cpu_present_to_apicid(cpu); + unsigned long flags; + int err; WARN_ON(irqs_disabled()); @@ -958,7 +959,9 @@ int __cpuinit __cpu_up(unsigned int cpu) /* * Make sure and check TSC sync: */ + local_irq_save(flags); check_tsc_sync_source(cpu); + local_irq_restore(flags); while (!cpu_isset(cpu, cpu_online_map)) cpu_relax(); diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index c9addcfb96d..75d73a9aa9f 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -358,6 +358,8 @@ void __init time_init(void) set_cyc2ns_scale(cpu_khz); printk(KERN_INFO "time.c: Detected %d.%03d MHz processor.\n", cpu_khz / 1000, cpu_khz % 1000); + init_tsc_clocksource(); + setup_irq(0, &irq0); } diff --git a/arch/x86_64/kernel/tsc.c b/arch/x86_64/kernel/tsc.c index 89583186501..1a0edbbffaa 100644 --- a/arch/x86_64/kernel/tsc.c +++ b/arch/x86_64/kernel/tsc.c @@ -210,7 +210,7 @@ void mark_tsc_unstable(void) } EXPORT_SYMBOL_GPL(mark_tsc_unstable); -static int __init init_tsc_clocksource(void) +void __init init_tsc_clocksource(void) { if (!notsc) { clocksource_tsc.mult = clocksource_khz2mult(cpu_khz, @@ -218,9 +218,6 @@ static int __init init_tsc_clocksource(void) if (check_tsc_unstable()) clocksource_tsc.rating = 0; - return clocksource_register(&clocksource_tsc); + clocksource_register(&clocksource_tsc); } - return 0; } - -module_init(init_tsc_clocksource); diff --git a/arch/x86_64/lib/Makefile b/arch/x86_64/lib/Makefile index 8d5f835af48..c9432717839 100644 --- a/arch/x86_64/lib/Makefile +++ b/arch/x86_64/lib/Makefile @@ -5,6 +5,7 @@ CFLAGS_csum-partial.o := -funroll-loops obj-y := io.o iomap_copy.o +obj-$(CONFIG_SMP) += msr-on-cpu.o lib-y := csum-partial.o csum-copy.o csum-wrappers.o delay.o \ usercopy.o getuser.o putuser.o \ diff --git a/arch/x86_64/lib/msr-on-cpu.c b/arch/x86_64/lib/msr-on-cpu.c new file mode 100644 index 00000000000..47e0ec47c37 --- /dev/null +++ b/arch/x86_64/lib/msr-on-cpu.c @@ -0,0 +1 @@ +#include "../../i386/lib/msr-on-cpu.c" |