diff options
Diffstat (limited to 'arch')
145 files changed, 891 insertions, 1132 deletions
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 4b873527ce1..02c2db08114 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -73,9 +73,6 @@ cpumask_t cpu_online_map; EXPORT_SYMBOL(cpu_online_map); -/* cpus reported in the hwrpb */ -static unsigned long hwrpb_cpu_present_mask __initdata = 0; - int smp_num_probed; /* Internal processor count */ int smp_num_cpus = 1; /* Number that came online. */ @@ -442,7 +439,7 @@ setup_smp(void) if ((cpu->flags & 0x1cc) == 0x1cc) { smp_num_probed++; /* Assume here that "whami" == index */ - hwrpb_cpu_present_mask |= (1UL << i); + cpu_set(i, cpu_possible_map); cpu->pal_revision = boot_cpu_palrev; } @@ -453,12 +450,12 @@ setup_smp(void) } } else { smp_num_probed = 1; - hwrpb_cpu_present_mask = (1UL << boot_cpuid); + cpu_set(boot_cpuid, cpu_possible_map); } cpu_present_mask = cpumask_of_cpu(boot_cpuid); printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_mask = %lx\n", - smp_num_probed, hwrpb_cpu_present_mask); + smp_num_probed, cpu_possible_map.bits[0]); } /* @@ -467,8 +464,6 @@ setup_smp(void) void __init smp_prepare_cpus(unsigned int max_cpus) { - int cpu_count, i; - /* Take care of some initial bookkeeping. */ memset(ipi_data, 0, sizeof(ipi_data)); @@ -486,19 +481,7 @@ smp_prepare_cpus(unsigned int max_cpus) printk(KERN_INFO "SMP starting up secondaries.\n"); - cpu_count = 1; - for (i = 0; (i < NR_CPUS) && (cpu_count < max_cpus); i++) { - if (i == boot_cpuid) - continue; - - if (((hwrpb_cpu_present_mask >> i) & 1) == 0) - continue; - - cpu_set(i, cpu_possible_map); - cpu_count++; - } - - smp_num_cpus = cpu_count; + smp_num_cpus = smp_num_probed; } void __devinit diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5959e36c3b4..15dc1a0dffb 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -10,9 +10,9 @@ config ARM default y help The ARM series is a line of low-power-consumption RISC chip designs - licensed by ARM ltd and targeted at embedded applications and + licensed by ARM Ltd and targeted at embedded applications and handhelds such as the Compaq IPAQ. ARM-based PCs are no longer - manufactured, but legacy ARM-based PC hardware remains popular in + manufactured, but legacy ARM-based PC hardware remains popular in Europe. There is an ARM Linux project with a web page at <http://www.arm.linux.org.uk/>. @@ -69,6 +69,9 @@ config GENERIC_ISA_DMA config FIQ bool +config ARCH_MTD_XIP + bool + source "init/Kconfig" menu "System Type" @@ -81,45 +84,62 @@ config ARCH_CLPS7500 bool "Cirrus-CL-PS7500FE" select TIMER_ACORN select ISA + help + Support for the Cirrus Logic PS7500FE system-on-a-chip. config ARCH_CLPS711X bool "CLPS711x/EP721x-based" + help + Support for Cirrus Logic 711x/721x based boards. config ARCH_CO285 bool "Co-EBSA285" select FOOTBRIDGE select FOOTBRIDGE_ADDIN + help + Support for Intel's EBSA285 companion chip. config ARCH_EBSA110 bool "EBSA-110" select ISA help This is an evaluation board for the StrongARM processor available - from Digital. It has limited hardware on-board, including an onboard + from Digital. It has limited hardware on-board, including an Ethernet interface, two PCMCIA sockets, two serial ports and a parallel port. config ARCH_FOOTBRIDGE bool "FootBridge" select FOOTBRIDGE + help + Support for systems based on the DC21285 companion chip + ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. config ARCH_INTEGRATOR bool "Integrator" select ARM_AMBA select ICST525 + help + Support for ARM's Integrator platform. config ARCH_IOP3XX bool "IOP3xx-based" select PCI + help + Support for Intel's IOP3XX (XScale) family of processors. config ARCH_IXP4XX bool "IXP4xx-based" select DMABOUNCE select PCI + help + Support for Intel's IXP4XX (XScale) family of processors. config ARCH_IXP2000 bool "IXP2400/2800-based" select PCI + help + Support for Intel's IXP2400/2800 (XScale) family of processors. config ARCH_L7200 bool "LinkUp-L7200" @@ -136,6 +156,9 @@ config ARCH_L7200 config ARCH_PXA bool "PXA2xx-based" + select ARCH_MTD_XIP + help + Support for Intel's PXA2XX processor line. config ARCH_RPC bool "RiscPC" @@ -152,19 +175,25 @@ config ARCH_SA1100 bool "SA1100-based" select ISA select ARCH_DISCONTIGMEM_ENABLE + select ARCH_MTD_XIP + help + Support for StrongARM 11x0 based boards. config ARCH_S3C2410 bool "Samsung S3C2410" help Samsung S3C2410X CPU based systems, such as the Simtec Electronics BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or - the Samsung SMDK2410 development board (and derviatives). + the Samsung SMDK2410 development board (and derivatives). config ARCH_SHARK bool "Shark" select ISA select ISA_DMA select PCI + help + Support for the StrongARM based Digital DNARD machine, also known + as "Shark" (<http://www.shark-linux.de/shark.html>). config ARCH_LH7A40X bool "Sharp LH7A40X" @@ -176,6 +205,8 @@ config ARCH_LH7A40X config ARCH_OMAP bool "TI OMAP" + help + Support for TI's OMAP platform (OMAP1 and OMAP2). config ARCH_VERSATILE bool "Versatile" @@ -194,6 +225,8 @@ config ARCH_REALVIEW config ARCH_IMX bool "IMX" + help + Support for Motorola's i.MX family of processors (MX1, MXL). config ARCH_H720X bool "Hynix-HMS720x-based" @@ -210,8 +243,8 @@ config ARCH_AAEC2000 config ARCH_AT91RM9200 bool "AT91RM9200" help - Say Y here if you intend to run this kernel on an AT91RM9200-based - board. + Say Y here if you intend to run this kernel on an Atmel + AT91RM9200-based board. endchoice @@ -417,8 +450,8 @@ config AEABI To use this you need GCC version 4.0.0 or later. config OABI_COMPAT - bool "Allow old ABI binaries to run with this kernel" - depends on AEABI + bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" + depends on AEABI && EXPERIMENTAL default y help This option preserves the old syscall interface along with the diff --git a/arch/arm/configs/enp2611_defconfig b/arch/arm/configs/enp2611_defconfig index 9592e3925c7..5fdaf3ce9d5 100644 --- a/arch/arm/configs/enp2611_defconfig +++ b/arch/arm/configs/enp2611_defconfig @@ -171,7 +171,7 @@ CONFIG_ALIGNMENT_TRAP=y # CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="console=ttyS0,57600 root=/dev/nfs ip=bootp mem=64M@0x0 pci=firmware" +CONFIG_CMDLINE="console=ttyS0,57600 root=/dev/nfs ip=bootp mem=64M@0x0" # CONFIG_XIP_KERNEL is not set # diff --git a/arch/arm/configs/ixdp2400_defconfig b/arch/arm/configs/ixdp2400_defconfig index d9d6bb86a6f..c67fc449a11 100644 --- a/arch/arm/configs/ixdp2400_defconfig +++ b/arch/arm/configs/ixdp2400_defconfig @@ -172,7 +172,7 @@ CONFIG_ALIGNMENT_TRAP=y # CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="console=ttyS0,57600 root=/dev/nfs ip=bootp mem=64M@0x0 pci=firmware" +CONFIG_CMDLINE="console=ttyS0,57600 root=/dev/nfs ip=bootp mem=64M@0x0" # CONFIG_XIP_KERNEL is not set # diff --git a/arch/arm/configs/ixdp2401_defconfig b/arch/arm/configs/ixdp2401_defconfig index 2dc9d499c7d..60d66e82c51 100644 --- a/arch/arm/configs/ixdp2401_defconfig +++ b/arch/arm/configs/ixdp2401_defconfig @@ -172,7 +172,7 @@ CONFIG_ALIGNMENT_TRAP=y # CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/nfs ip=bootp mem=64M@0x0 pci=firmware" +CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/nfs ip=bootp mem=64M@0x0" # CONFIG_XIP_KERNEL is not set # diff --git a/arch/arm/configs/ixdp2801_defconfig b/arch/arm/configs/ixdp2801_defconfig index ea8f4b478fa..f54f3dcc5b3 100644 --- a/arch/arm/configs/ixdp2801_defconfig +++ b/arch/arm/configs/ixdp2801_defconfig @@ -172,7 +172,7 @@ CONFIG_ALIGNMENT_TRAP=y # CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/nfs ip=bootp mem=64M@0x0 pci=firmware ixdp2x01_clock=50000000" +CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/nfs ip=bootp mem=64M@0x0" # CONFIG_XIP_KERNEL is not set # diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig index 1964ccd8a71..6695b07cf1b 100644 --- a/arch/arm/configs/s3c2410_defconfig +++ b/arch/arm/configs/s3c2410_defconfig @@ -1,11 +1,10 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Sun Nov 13 17:41:24 2005 +# Linux kernel version: 2.6.16-rc2 +# Mon Feb 6 11:17:23 2006 # CONFIG_ARM=y CONFIG_MMU=y -CONFIG_UID16=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_GENERIC_CALIBRATE_DELAY=y @@ -28,27 +27,31 @@ CONFIG_SYSVIPC=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y # CONFIG_AUDIT is not set -# CONFIG_HOTPLUG is not set -CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set CONFIG_INITRAMFS_SOURCE="" +CONFIG_UID16=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y -CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SHMEM=y CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set +CONFIG_OBSOLETE_INTERMODULE=y # # Loadable module support @@ -102,6 +105,7 @@ CONFIG_ARCH_S3C2410=y # CONFIG_ARCH_IMX is not set # CONFIG_ARCH_H720X is not set # CONFIG_ARCH_AAEC2000 is not set +# CONFIG_ARCH_AT91RM9200 is not set # # S3C24XX Implementations @@ -160,7 +164,6 @@ CONFIG_CPU_TLB_V4WBI=y # Bus support # CONFIG_ISA=y -CONFIG_ISA_DMA_API=y # # PCCARD (PCMCIA/CardBus) support @@ -172,6 +175,7 @@ CONFIG_ISA_DMA_API=y # # CONFIG_PREEMPT is not set # CONFIG_NO_IDLE_HZ is not set +# CONFIG_AEABI is not set # CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y @@ -214,6 +218,8 @@ CONFIG_BINFMT_AOUT=y # Power management options # CONFIG_PM=y +CONFIG_PM_LEGACY=y +# CONFIG_PM_DEBUG is not set CONFIG_APM=y # @@ -259,6 +265,11 @@ CONFIG_TCP_CONG_BIC=y # SCTP Configuration (EXPERIMENTAL) # # CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set # CONFIG_VLAN_8021Q is not set @@ -276,7 +287,6 @@ CONFIG_TCP_CONG_BIC=y # QoS and/or fair queueing # # CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set # # Network testing @@ -300,6 +310,11 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_DEBUG_DRIVER is not set # +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set + +# # Memory Technology Devices (MTD) # CONFIG_MTD=y @@ -412,8 +427,6 @@ CONFIG_PARPORT_1284=y # # Block devices # -# CONFIG_BLK_DEV_XD is not set -# CONFIG_PARIDE is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -502,7 +515,6 @@ CONFIG_NETDEVICES=y CONFIG_NET_ETHERNET=y CONFIG_MII=y # CONFIG_NET_VENDOR_3COM is not set -# CONFIG_LANCE is not set # CONFIG_NET_VENDOR_SMC is not set # CONFIG_SMC91X is not set CONFIG_DM9000=y @@ -607,11 +619,11 @@ CONFIG_SERIAL_NONSTANDARD=y # CONFIG_ROCKETPORT is not set # CONFIG_CYCLADES is not set # CONFIG_DIGIEPCA is not set -# CONFIG_ESPSERIAL is not set # CONFIG_MOXA_INTELLIO is not set # CONFIG_MOXA_SMARTIO is not set # CONFIG_ISI is not set # CONFIG_SYNCLINKMP is not set +# CONFIG_SYNCLINK_GT is not set # CONFIG_N_HDLC is not set # CONFIG_RISCOM8 is not set # CONFIG_SPECIALIX is not set @@ -625,6 +637,7 @@ CONFIG_SERIAL_NONSTANDARD=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_NR_UARTS=8 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 CONFIG_SERIAL_8250_EXTENDED=y CONFIG_SERIAL_8250_MANY_PORTS=y CONFIG_SERIAL_8250_SHARE_IRQ=y @@ -687,6 +700,7 @@ CONFIG_S3C2410_RTC=y # # TPM devices # +# CONFIG_TCG_TPM is not set # CONFIG_TELCLOCK is not set # @@ -731,6 +745,12 @@ CONFIG_SENSORS_EEPROM=m # CONFIG_I2C_DEBUG_CHIP is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Hardware Monitoring support # CONFIG_HWMON=y @@ -863,6 +883,7 @@ CONFIG_FS_MBCACHE=y # CONFIG_JFS_FS is not set # CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set CONFIG_ROMFS_FS=y CONFIG_INOTIFY=y @@ -897,6 +918,7 @@ CONFIG_SYSFS=y # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y # CONFIG_RELAYFS_FS is not set +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -965,6 +987,7 @@ CONFIG_SOLARIS_X86_PARTITION=y # CONFIG_SGI_PARTITION is not set # CONFIG_ULTRIX_PARTITION is not set # CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set # CONFIG_EFI_PARTITION is not set # @@ -1020,12 +1043,13 @@ CONFIG_NLS_DEFAULT="iso8859-1" # Kernel hacking # # CONFIG_PRINTK_TIME is not set -CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=16 CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set +CONFIG_DEBUG_MUTEXES=y # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set @@ -1034,6 +1058,7 @@ CONFIG_DEBUG_INFO=y # CONFIG_DEBUG_FS is not set # CONFIG_DEBUG_VM is not set CONFIG_FRAME_POINTER=y +CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set CONFIG_DEBUG_USER=y # CONFIG_DEBUG_WAITQ is not set diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index d058e7c1256..8c3035d5ffc 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -291,21 +291,21 @@ CALL(sys_mq_getsetattr) /* 280 */ CALL(sys_waitid) CALL(sys_socket) - CALL(sys_bind) - CALL(sys_connect) + CALL(ABI(sys_bind, sys_oabi_bind)) + CALL(ABI(sys_connect, sys_oabi_connect)) CALL(sys_listen) /* 285 */ CALL(sys_accept) CALL(sys_getsockname) CALL(sys_getpeername) CALL(sys_socketpair) CALL(sys_send) -/* 290 */ CALL(sys_sendto) +/* 290 */ CALL(ABI(sys_sendto, sys_oabi_sendto)) CALL(sys_recv) CALL(sys_recvfrom) CALL(sys_shutdown) CALL(sys_setsockopt) /* 295 */ CALL(sys_getsockopt) - CALL(sys_sendmsg) + CALL(ABI(sys_sendmsg, sys_oabi_sendmsg)) CALL(sys_recvmsg) CALL(ABI(sys_semop, sys_oabi_semop)) CALL(sys_semget) diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index d401d908c46..964cd717506 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -333,10 +333,14 @@ __pabt_svc: @ from the exception stack #if __LINUX_ARM_ARCH__ < 6 && !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG) +#ifndef CONFIG_MMU +#warning "NPTL on non MMU needs fixing" +#else @ make sure our user space atomic helper is aborted cmp r2, #TASK_SIZE bichs r3, r3, #PSR_Z_BIT #endif +#endif @ @ We are now ready to fill in the remaining blanks on the stack: @@ -705,7 +709,12 @@ __kuser_memory_barrier: @ 0xffff0fa0 * The C flag is also set if *ptr was changed to allow for assembly * optimization in the calling code. * - * Note: this routine already includes memory barriers as needed. + * Notes: + * + * - This routine already includes memory barriers as needed. + * + * - A failure might be transient, i.e. it is possible, although unlikely, + * that "failure" be returned even if *ptr == oldval. * * For example, a user space atomic_add implementation could look like this: * @@ -756,12 +765,18 @@ __kuser_cmpxchg: @ 0xffff0fc0 * exception happening just after the str instruction which would * clear the Z flag although the exchange was done. */ +#ifdef CONFIG_MMU teq ip, ip @ set Z flag ldr ip, [r2] @ load current val add r3, r2, #1 @ prepare store ptr teqeq ip, r0 @ compare with oldval if still allowed streq r1, [r3, #-1]! @ store newval if still allowed subs r0, r2, r3 @ if r2 == r3 the str occured +#else +#warning "NPTL on non MMU needs fixing" + mov r0, #-1 + adds r0, r0, #0 +#endif mov pc, lr #else diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c index eafa8e5284a..9d4b76409c6 100644 --- a/arch/arm/kernel/sys_oabi-compat.c +++ b/arch/arm/kernel/sys_oabi-compat.c @@ -59,6 +59,16 @@ * struct sembuf loses its padding with EABI. Since arrays of them are * used they have to be copyed to remove the padding. Compatibility wrappers * provided below. + * + * sys_bind: + * sys_connect: + * sys_sendmsg: + * sys_sendto: + * + * struct sockaddr_un loses its padding with EABI. Since the size of the + * structure is used as a validation test in unix_mkname(), we need to + * change the length argument to 110 whenever it is 112. Compatibility + * wrappers provided below. */ #include <linux/syscalls.h> @@ -67,6 +77,7 @@ #include <linux/fcntl.h> #include <linux/eventpoll.h> #include <linux/sem.h> +#include <linux/socket.h> #include <asm/ipc.h> #include <asm/uaccess.h> @@ -337,3 +348,63 @@ asmlinkage int sys_oabi_ipc(uint call, int first, int second, int third, return sys_ipc(call, first, second, third, ptr, fifth); } } + +asmlinkage long sys_oabi_bind(int fd, struct sockaddr __user *addr, int addrlen) +{ + sa_family_t sa_family; + if (addrlen == 112 && + get_user(sa_family, &addr->sa_family) == 0 && + sa_family == AF_UNIX) + addrlen = 110; + return sys_bind(fd, addr, addrlen); +} + +asmlinkage long sys_oabi_connect(int fd, struct sockaddr __user *addr, int addrlen) +{ + sa_family_t sa_family; + if (addrlen == 112 && + get_user(sa_family, &addr->sa_family) == 0 && + sa_family == AF_UNIX) + addrlen = 110; + return sys_connect(fd, addr, addrlen); +} + +asmlinkage long sys_oabi_sendto(int fd, void __user *buff, + size_t len, unsigned flags, + struct sockaddr __user *addr, + int addrlen) +{ + sa_family_t sa_family; + if (addrlen == 112 && + get_user(sa_family, &addr->sa_family) == 0 && + sa_family == AF_UNIX) + addrlen = 110; + return sys_sendto(fd, buff, len, flags, addr, addrlen); +} + +asmlinkage long sys_oabi_sendmsg(int fd, struct msghdr __user *msg, unsigned flags) +{ + struct sockaddr __user *addr; + int msg_namelen; + sa_family_t sa_family; + if (msg && + get_user(msg_namelen, &msg->msg_namelen) == 0 && + msg_namelen == 112 && + get_user(addr, &msg->msg_name) == 0 && + get_user(sa_family, &addr->sa_family) == 0 && + sa_family == AF_UNIX) + { + /* + * HACK ALERT: there is a limit to how much backward bending + * we should do for what is actually a transitional + * compatibility layer. This already has known flaws with + * a few ioctls that we don't intend to fix. Therefore + * consider this blatent hack as another one... and take care + * to run for cover. In most cases it will "just work fine". + * If it doesn't, well, tough. + */ + put_user(110, &msg->msg_namelen); + } + return sys_sendmsg(fd, msg, flags); +} + diff --git a/arch/arm/mach-clps711x/Kconfig b/arch/arm/mach-clps711x/Kconfig index 0793dcf54f2..0e2b641268a 100644 --- a/arch/arm/mach-clps711x/Kconfig +++ b/arch/arm/mach-clps711x/Kconfig @@ -24,6 +24,8 @@ config ARCH_CEIVA config ARCH_CLEP7312 bool "CLEP7312" + help + Boards based on the Cirrus Logic 7212/7312 chips. config ARCH_EDB7211 bool "EDB7211" diff --git a/arch/arm/mach-imx/mx1ads.c b/arch/arm/mach-imx/mx1ads.c index dc31e3fd6c5..8ab1b040288 100644 --- a/arch/arm/mach-imx/mx1ads.c +++ b/arch/arm/mach-imx/mx1ads.c @@ -27,7 +27,6 @@ #include <asm/mach/arch.h> #include <linux/interrupt.h> #include "generic.h" -#include <asm/serial.h> static struct resource cs89x0_resources[] = { [0] = { diff --git a/arch/arm/mach-ixp2000/enp2611.c b/arch/arm/mach-ixp2000/enp2611.c index 9e5a13bb39d..52fac89e95b 100644 --- a/arch/arm/mach-ixp2000/enp2611.c +++ b/arch/arm/mach-ixp2000/enp2611.c @@ -106,6 +106,7 @@ static void __init enp2611_pci_preinit(void) { ixp2000_reg_write(IXP2000_PCI_ADDR_EXT, 0x00100000); ixp2000_pci_preinit(); + pcibios_setup("firmware"); } static inline int enp2611_pci_valid_device(struct pci_bus *bus, diff --git a/arch/arm/mach-ixp2000/ixdp2400.c b/arch/arm/mach-ixp2000/ixdp2400.c index 7c782403042..09101271298 100644 --- a/arch/arm/mach-ixp2000/ixdp2400.c +++ b/arch/arm/mach-ixp2000/ixdp2400.c @@ -68,6 +68,7 @@ void __init ixdp2400_pci_preinit(void) { ixp2000_reg_write(IXP2000_PCI_ADDR_EXT, 0x00100000); ixp2000_pci_preinit(); + pcibios_setup("firmware"); } int ixdp2400_pci_setup(int nr, struct pci_sys_data *sys) diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c index 10f06606d46..150519fb38e 100644 --- a/arch/arm/mach-ixp2000/ixdp2x01.c +++ b/arch/arm/mach-ixp2000/ixdp2x01.c @@ -212,6 +212,7 @@ void __init ixdp2x01_pci_preinit(void) { ixp2000_reg_write(IXP2000_PCI_ADDR_EXT, 0x00000000); ixp2000_pci_preinit(); + pcibios_setup("firmware"); } #define DEVPIN(dev, pin) ((pin) | ((dev) << 3)) @@ -299,7 +300,9 @@ struct hw_pci ixdp2x01_pci __initdata = { int __init ixdp2x01_pci_init(void) { - pci_common_init(&ixdp2x01_pci); + if (machine_is_ixdp2401() || machine_is_ixdp2801()) + pci_common_init(&ixdp2x01_pci); + return 0; } diff --git a/arch/arm/mach-omap1/board-generic.c b/arch/arm/mach-omap1/board-generic.c index bdc20b51b07..a177e78b2b8 100644 --- a/arch/arm/mach-omap1/board-generic.c +++ b/arch/arm/mach-omap1/board-generic.c @@ -30,6 +30,7 @@ static void __init omap_generic_init_irq(void) { + omap1_init_common_hw(); omap_init_irq(); } @@ -104,7 +105,7 @@ static void __init omap_generic_init(void) static void __init omap_generic_map_io(void) { - omap_map_common_io(); + omap1_map_common_io(); } MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710") diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c index 9533c36a92d..89f0cc74a51 100644 --- a/arch/arm/mach-omap1/board-h2.c +++ b/arch/arm/mach-omap1/board-h2.c @@ -128,6 +128,7 @@ static void __init h2_init_smc91x(void) static void __init h2_init_irq(void) { + omap1_init_common_hw(); omap_init_irq(); omap_gpio_init(); h2_init_smc91x(); @@ -194,7 +195,7 @@ static void __init h2_init(void) static void __init h2_map_io(void) { - omap_map_common_io(); + omap1_map_common_io(); } MACHINE_START(OMAP_H2, "TI-H2") diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c index d665efc1c34..d9f38626599 100644 --- a/arch/arm/mach-omap1/board-h3.c +++ b/arch/arm/mach-omap1/board-h3.c @@ -203,6 +203,7 @@ static void __init h3_init_smc91x(void) void h3_init_irq(void) { + omap1_init_common_hw(); omap_init_irq(); omap_gpio_init(); h3_init_smc91x(); @@ -210,7 +211,7 @@ void h3_init_irq(void) static void __init h3_map_io(void) { - omap_map_common_io(); + omap1_map_common_io(); } MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board") diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c index 652f37c7f90..a04e4332915 100644 --- a/arch/arm/mach-omap1/board-innovator.c +++ b/arch/arm/mach-omap1/board-innovator.c @@ -181,6 +181,7 @@ static void __init innovator_init_smc91x(void) void innovator_init_irq(void) { + omap1_init_common_hw(); omap_init_irq(); omap_gpio_init(); #ifdef CONFIG_ARCH_OMAP15XX @@ -285,7 +286,7 @@ static void __init innovator_init(void) static void __init innovator_map_io(void) { - omap_map_common_io(); + omap1_map_common_io(); #ifdef CONFIG_ARCH_OMAP15XX if (cpu_is_omap1510()) { diff --git a/arch/arm/mach-omap1/board-netstar.c b/arch/arm/mach-omap1/board-netstar.c index 58f783930d4..60d5f8a3339 100644 --- a/arch/arm/mach-omap1/board-netstar.c +++ b/arch/arm/mach-omap1/board-netstar.c @@ -65,6 +65,7 @@ static struct omap_board_config_kernel netstar_config[] = { static void __init netstar_init_irq(void) { + omap1_init_common_hw(); omap_init_irq(); omap_gpio_init(); } @@ -108,7 +109,7 @@ static void __init netstar_init(void) static void __init netstar_map_io(void) { - omap_map_common_io(); + omap1_map_common_io(); } #define MACHINE_PANICED 1 diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c index e5d126e8f27..543fa136106 100644 --- a/arch/arm/mach-omap1/board-osk.c +++ b/arch/arm/mach-omap1/board-osk.c @@ -169,6 +169,7 @@ static void __init osk_init_cf(void) static void __init osk_init_irq(void) { + omap1_init_common_hw(); omap_init_irq(); omap_gpio_init(); osk_init_smc91x(); @@ -269,7 +270,7 @@ static void __init osk_init(void) static void __init osk_map_io(void) { - omap_map_common_io(); + omap1_map_common_io(); } MACHINE_START(OMAP_OSK, "TI-OSK") diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c index 67fada20762..e488f723677 100644 --- a/arch/arm/mach-omap1/board-palmte.c +++ b/arch/arm/mach-omap1/board-palmte.c @@ -34,6 +34,7 @@ static void __init omap_generic_init_irq(void) { + omap1_init_common_hw(); omap_init_irq(); } @@ -72,7 +73,7 @@ static void __init omap_generic_init(void) static void __init omap_generic_map_io(void) { - omap_map_common_io(); + omap1_map_common_io(); } MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E") diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c index 88708a0c52a..3913a3cc0ce 100644 --- a/arch/arm/mach-omap1/board-perseus2.c +++ b/arch/arm/mach-omap1/board-perseus2.c @@ -144,6 +144,7 @@ static void __init perseus2_init_smc91x(void) void omap_perseus2_init_irq(void) { + omap1_init_common_hw(); omap_init_irq(); omap_gpio_init(); perseus2_init_smc91x(); @@ -160,7 +161,7 @@ static struct map_desc omap_perseus2_io_desc[] __initdata = { static void __init omap_perseus2_map_io(void) { - omap_map_common_io(); + omap1_map_common_io(); iotable_init(omap_perseus2_io_desc, ARRAY_SIZE(omap_perseus2_io_desc)); diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c index 959b4b847c8..bfd5fdd1a87 100644 --- a/arch/arm/mach-omap1/board-voiceblue.c +++ b/arch/arm/mach-omap1/board-voiceblue.c @@ -162,6 +162,7 @@ static struct omap_board_config_kernel voiceblue_config[] = { static void __init voiceblue_init_irq(void) { + omap1_init_common_hw(); omap_init_irq(); omap_gpio_init(); } @@ -206,7 +207,7 @@ static void __init voiceblue_init(void) static void __init voiceblue_map_io(void) { - omap_map_common_io(); + omap1_map_common_io(); } #define MACHINE_PANICED 1 diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c index a7a19f75b9e..82d556be79c 100644 --- a/arch/arm/mach-omap1/io.c +++ b/arch/arm/mach-omap1/io.c @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/init.h> +#include <asm/tlb.h> #include <asm/mach/map.h> #include <asm/io.h> #include <asm/arch/mux.h> @@ -83,15 +84,24 @@ static struct map_desc omap16xx_io_desc[] __initdata = { }; #endif -static int initialized = 0; - -static void __init _omap_map_io(void) +/* + * Maps common IO regions for omap1. This should only get called from + * board specific init. + */ +void __init omap1_map_common_io(void) { - initialized = 1; - - /* We have to initialize the IO space mapping before we can run - * cpu_is_omapxxx() macros. */ iotable_init(omap_io_desc, ARRAY_SIZE(omap_io_desc)); + + /* Normally devicemaps_init() would flush caches and tlb after + * mdesc->map_io(), but we must also do it here because of the CPU + * revision check below. + */ + local_flush_tlb_all(); + flush_cache_all(); + + /* We want to check CPU revision early for cpu_is_omapxxxx() macros. + * IO space mapping must be initialized before we can do that. + */ omap_check_revision(); #ifdef CONFIG_ARCH_OMAP730 @@ -111,7 +121,14 @@ static void __init _omap_map_io(void) #endif omap_sram_init(); +} +/* + * Common low-level hardware init for omap1. This should only get called from + * board specific init. + */ +void __init omap1_init_common_hw() +{ /* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort * on a Posted Write in the TIPB Bridge". */ @@ -121,16 +138,7 @@ static void __init _omap_map_io(void) /* Must init clocks early to assure that timer interrupt works */ omap1_clk_init(); -} -/* - * This should only get called from board specific init - */ -void __init omap_map_common_io(void) -{ - if (!initialized) { - _omap_map_io(); - omap1_mux_init(); - } + omap1_mux_init(); } diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index b937123e5c6..eaecbf422d8 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -33,6 +33,7 @@ static void __init omap_generic_init_irq(void) { + omap2_init_common_hw(); omap_init_irq(); } @@ -64,7 +65,7 @@ static void __init omap_generic_init(void) static void __init omap_generic_map_io(void) { - omap_map_common_io(); + omap2_map_common_io(); } MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx") diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index c3c35d40378..a300d634d8a 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -136,6 +136,7 @@ static inline void __init h4_init_smc91x(void) static void __init omap_h4_init_irq(void) { + omap2_init_common_hw(); omap_init_irq(); omap_gpio_init(); h4_init_smc91x(); @@ -181,7 +182,7 @@ static void __init omap_h4_init(void) static void __init omap_h4_map_io(void) { - omap_map_common_io(); + omap2_map_common_io(); } MACHINE_START(OMAP_H4, "OMAP2420 H4 board") diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 4a222f59f2c..4303d988c4b 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -182,7 +182,7 @@ static const struct icst307_params realview_oscvco_params = { static void realview_oscvco_set(struct clk *clk, struct icst307_vco vco) { void __iomem *sys_lock = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_LOCK_OFFSET; - void __iomem *sys_osc = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_OSC1_OFFSET; + void __iomem *sys_osc = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_OSC4_OFFSET; u32 val; val = readl(sys_osc) & ~0x7ffff; diff --git a/arch/arm/mach-s3c2410/clock.c b/arch/arm/mach-s3c2410/clock.c index af2f3d52b61..08489efdaf0 100644 --- a/arch/arm/mach-s3c2410/clock.c +++ b/arch/arm/mach-s3c2410/clock.c @@ -40,7 +40,6 @@ #include <linux/mutex.h> #include <asm/hardware.h> -#include <asm/atomic.h> #include <asm/irq.h> #include <asm/io.h> @@ -59,22 +58,18 @@ static DEFINE_MUTEX(clocks_mutex); void inline s3c24xx_clk_enable(unsigned int clocks, unsigned int enable) { unsigned long clkcon; - unsigned long flags; - - local_irq_save(flags); clkcon = __raw_readl(S3C2410_CLKCON); - clkcon &= ~clocks; if (enable) clkcon |= clocks; + else + clkcon &= ~clocks; /* ensure none of the special function bits set */ clkcon &= ~(S3C2410_CLKCON_IDLE|S3C2410_CLKCON_POWER); __raw_writel(clkcon, S3C2410_CLKCON); - - local_irq_restore(flags); } /* enable and disable calls for use with the clk struct */ @@ -138,16 +133,32 @@ void clk_put(struct clk *clk) int clk_enable(struct clk *clk) { - if (IS_ERR(clk)) + if (IS_ERR(clk) || clk == NULL) return -EINVAL; - return (clk->enable)(clk, 1); + clk_enable(clk->parent); + + mutex_lock(&clocks_mutex); + + if ((clk->usage++) == 0) + (clk->enable)(clk, 1); + + mutex_unlock(&clocks_mutex); + return 0; } void clk_disable(struct clk *clk) { - if (!IS_ERR(clk)) + if (IS_ERR(clk) || clk == NULL) + return; + + mutex_lock(&clocks_mutex); + + if ((--clk->usage) == 0) (clk->enable)(clk, 0); + + mutex_unlock(&clocks_mutex); + clk_disable(clk->parent); } @@ -361,6 +372,14 @@ int s3c24xx_register_clock(struct clk *clk) if (clk->enable == NULL) clk->enable = clk_null_enable; + /* if this is a standard clock, set the usage state */ + + if (clk->ctrlbit) { + unsigned long clkcon = __raw_readl(S3C2410_CLKCON); + + clk->usage = (clkcon & clk->ctrlbit) ? 1 : 0; + } + /* add to the list of available clocks */ mutex_lock(&clocks_mutex); @@ -402,6 +421,8 @@ int __init s3c24xx_setup_clocks(unsigned long xtal, * the LCD clock if it is not needed. */ + mutex_lock(&clocks_mutex); + s3c24xx_clk_enable(S3C2410_CLKCON_NAND, 0); s3c24xx_clk_enable(S3C2410_CLKCON_USBH, 0); s3c24xx_clk_enable(S3C2410_CLKCON_USBD, 0); @@ -409,6 +430,8 @@ int __init s3c24xx_setup_clocks(unsigned long xtal, s3c24xx_clk_enable(S3C2410_CLKCON_IIC, 0); s3c24xx_clk_enable(S3C2410_CLKCON_SPI, 0); + mutex_unlock(&clocks_mutex); + /* assume uart clocks are correctly setup */ /* register our clocks */ diff --git a/arch/arm/mach-s3c2410/clock.h b/arch/arm/mach-s3c2410/clock.h index 177d5c8decf..eb5c95d1e7f 100644 --- a/arch/arm/mach-s3c2410/clock.h +++ b/arch/arm/mach-s3c2410/clock.h @@ -16,6 +16,7 @@ struct clk { struct clk *parent; const char *name; int id; + int usage; unsigned long rate; unsigned long ctrlbit; int (*enable)(struct clk *, int enable); diff --git a/arch/arm/mach-s3c2410/devs.c b/arch/arm/mach-s3c2410/devs.c index b8d994a24d1..0a47d38789a 100644 --- a/arch/arm/mach-s3c2410/devs.c +++ b/arch/arm/mach-s3c2410/devs.c @@ -275,6 +275,11 @@ static struct resource s3c_adc_resource[] = { }, [1] = { .start = IRQ_TC, + .end = IRQ_TC, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = IRQ_ADC, .end = IRQ_ADC, .flags = IORESOURCE_IRQ, } diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index 792f6637583..ee82763b02b 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -17,6 +17,7 @@ #include <linux/init.h> #include <asm/mach/map.h> +#include <asm/tlb.h> #include <asm/io.h> #include <asm/cacheflush.h> @@ -96,6 +97,14 @@ void __init omap_map_sram(void) omap_sram_io_desc[0].length); /* + * Normally devicemaps_init() would flush caches and tlb after + * mdesc->map_io(), but since we're called from map_io(), we + * must do it here. + */ + local_flush_tlb_all(); + flush_cache_all(); + + /* * Looks like we need to preserve some bootloader code at the * beginning of SRAM for jumping to flash for reboot to work... */ diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c index f214f74f264..961c0d58ded 100644 --- a/arch/cris/arch-v10/kernel/ptrace.c +++ b/arch/cris/arch-v10/kernel/ptrace.c @@ -202,18 +202,18 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int i; unsigned long tmp; + ret = 0; for (i = 0; i <= PT_MAX; i++) { tmp = get_reg(child, i); if (put_user(tmp, datap)) { ret = -EFAULT; - goto out_tsk; + break; } data += sizeof(long); } - ret = 0; break; } @@ -222,10 +222,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int i; unsigned long tmp; + ret = 0; for (i = 0; i <= PT_MAX; i++) { if (get_user(tmp, datap)) { ret = -EFAULT; - goto out_tsk; + break; } if (i == PT_DCCR) { @@ -237,7 +238,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) data += sizeof(long); } - ret = 0; break; } diff --git a/arch/cris/kernel/setup.c b/arch/cris/kernel/setup.c index d11206e467a..1ba57efff60 100644 --- a/arch/cris/kernel/setup.c +++ b/arch/cris/kernel/setup.c @@ -24,7 +24,6 @@ /* * Setup options */ -struct drive_info_struct { char dummy[32]; } drive_info; struct screen_info screen_info; extern int root_mountflags; diff --git a/arch/i386/kernel/syscall_table.S b/arch/i386/kernel/syscall_table.S index 1b665928336..5a8b3fb6d27 100644 --- a/arch/i386/kernel/syscall_table.S +++ b/arch/i386/kernel/syscall_table.S @@ -309,3 +309,4 @@ ENTRY(sys_call_table) .long sys_faccessat .long sys_pselect6 .long sys_ppoll + .long sys_unshare /* 310 */ diff --git a/arch/ia64/dig/setup.c b/arch/ia64/dig/setup.c index d58003f1ad0..c9104bfff66 100644 --- a/arch/ia64/dig/setup.c +++ b/arch/ia64/dig/setup.c @@ -25,16 +25,6 @@ #include <asm/machvec.h> #include <asm/system.h> -/* - * This is here so we can use the CMOS detection in ide-probe.c to - * determine what drives are present. In theory, we don't need this - * as the auto-detection could be done via ide-probe.c:do_probe() but - * in practice that would be much slower, which is painful when - * running in the simulator. Note that passing zeroes in DRIVE_INFO - * is sufficient (the IDE driver will autodetect the drive geometry). - */ -char drive_info[4*16]; - void __init dig_setup (char **cmdline_p) { diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index c485a3b32ba..9990320b6f9 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -410,24 +410,16 @@ efi_init (void) efi_config_table_t *config_tables; efi_char16_t *c16; u64 efi_desc_size; - char *cp, *end, vendor[100] = "unknown"; + char *cp, vendor[100] = "unknown"; extern char saved_command_line[]; int i; /* it's too early to be able to use the standard kernel command line support... */ for (cp = saved_command_line; *cp; ) { if (memcmp(cp, "mem=", 4) == 0) { - cp += 4; - mem_limit = memparse(cp, &end); - if (end != cp) - break; - cp = end; + mem_limit = memparse(cp + 4, &cp); } else if (memcmp(cp, "max_addr=", 9) == 0) { - cp += 9; - max_addr = GRANULEROUNDDOWN(memparse(cp, &end)); - if (end != cp) - break; - cp = end; + max_addr = GRANULEROUNDDOWN(memparse(cp + 9, &cp)); } else { while (*cp != ' ' && *cp) ++cp; @@ -458,7 +450,7 @@ efi_init (void) /* Show what we know for posterity */ c16 = __va(efi.systab->fw_vendor); if (c16) { - for (i = 0;i < (int) sizeof(vendor) && *c16; ++i) + for (i = 0;i < (int) sizeof(vendor) - 1 && *c16; ++i) vendor[i] = *c16++; vendor[i] = '\0'; } diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S index fbc7ea35dd5..f1778a84ea6 100644 --- a/arch/ia64/kernel/head.S +++ b/arch/ia64/kernel/head.S @@ -352,6 +352,7 @@ start_ap: mov ar.rsc=0 // place RSE in enforced lazy mode ;; loadrs // clear the dirty partition + mov IA64_KR(PER_CPU_DATA)=r0 // clear physical per-CPU base ;; mov ar.bspstore=r2 // establish the new RSE stack ;; diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index c0766575a3a..35f7835294a 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -71,6 +71,8 @@ unsigned long __per_cpu_offset[NR_CPUS]; EXPORT_SYMBOL(__per_cpu_offset); #endif +extern void ia64_setup_printk_clock(void); + DEFINE_PER_CPU(struct cpuinfo_ia64, cpu_info); DEFINE_PER_CPU(unsigned long, local_per_cpu_offset); DEFINE_PER_CPU(unsigned long, ia64_phys_stacked_size_p8); @@ -445,6 +447,8 @@ setup_arch (char **cmdline_p) /* process SAL system table: */ ia64_sal_init(efi.sal_systab); + ia64_setup_printk_clock(); + #ifdef CONFIG_SMP cpu_physical_id(0) = hard_smp_processor_id(); diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 028a2b95936..a094ec49ccf 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -278,3 +278,30 @@ udelay (unsigned long usecs) } } EXPORT_SYMBOL(udelay); + +static unsigned long long ia64_itc_printk_clock(void) +{ + if (ia64_get_kr(IA64_KR_PER_CPU_DATA)) + return sched_clock(); + return 0; +} + +static unsigned long long ia64_default_printk_clock(void) +{ + return (unsigned long long)(jiffies_64 - INITIAL_JIFFIES) * + (1000000000/HZ); +} + +unsigned long long (*ia64_printk_clock)(void) = &ia64_default_printk_clock; + +unsigned long long printk_clock(void) +{ + return ia64_printk_clock(); +} + +void __init +ia64_setup_printk_clock(void) +{ + if (!(sal_platform_features & IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT)) + ia64_printk_clock = ia64_itc_printk_clock; +} diff --git a/arch/ia64/sn/kernel/mca.c b/arch/ia64/sn/kernel/mca.c index 9ab684d1bb5..3db62f24596 100644 --- a/arch/ia64/sn/kernel/mca.c +++ b/arch/ia64/sn/kernel/mca.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved. */ #include <linux/types.h> @@ -137,7 +137,8 @@ int sn_salinfo_platform_oemdata(const u8 *sect_header, u8 **oemdata, u64 *oemdat static int __init sn_salinfo_init(void) { - salinfo_platform_oemdata = &sn_salinfo_platform_oemdata; + if (ia64_platform_is("sn2")) + salinfo_platform_oemdata = &sn_salinfo_platform_oemdata; return 0; } diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index ee36bff93c3..48645ac120f 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -67,6 +67,7 @@ extern unsigned long last_time_offset; extern void (*ia64_mark_idle) (int); extern void snidle(int); extern unsigned char acpi_kbd_controller_present; +extern unsigned long long (*ia64_printk_clock)(void); unsigned long sn_rtc_cycles_per_second; EXPORT_SYMBOL(sn_rtc_cycles_per_second); @@ -125,20 +126,6 @@ struct screen_info sn_screen_info = { }; /* - * This is here so we can use the CMOS detection in ide-probe.c to - * determine what drives are present. In theory, we don't need this - * as the auto-detection could be done via ide-probe.c:do_probe() but - * in practice that would be much slower, which is painful when - * running in the simulator. Note that passing zeroes in DRIVE_INFO - * is sufficient (the IDE driver will autodetect the drive geometry). - */ -#ifdef CONFIG_IA64_GENERIC -extern char drive_info[4 * 16]; -#else -char drive_info[4 * 16]; -#endif - -/* * This routine can only be used during init, since * smp_boot_data is an init data structure. * We have to use smp_boot_data.cpu_phys_id to find @@ -372,6 +359,16 @@ sn_scan_pcdp(void) } } +static unsigned long sn2_rtc_initial; + +static unsigned long long ia64_sn2_printk_clock(void) +{ + unsigned long rtc_now = rtc_time(); + + return (rtc_now - sn2_rtc_initial) * + (1000000000 / sn_rtc_cycles_per_second); +} + /** * sn_setup - SN platform setup routine * @cmdline_p: kernel command line @@ -386,6 +383,7 @@ void __init sn_setup(char **cmdline_p) u32 version = sn_sal_rev(); extern void sn_cpu_init(void); + sn2_rtc_initial = rtc_time(); ia64_sn_plat_set_error_handling_features(); // obsolete ia64_sn_set_os_feature(OSF_MCA_SLV_TO_OS_INIT_SLV); ia64_sn_set_os_feature(OSF_FEAT_LOG_SBES); @@ -437,19 +435,6 @@ void __init sn_setup(char **cmdline_p) */ build_cnode_tables(); - /* - * Old PROMs do not provide an ACPI FADT. Disable legacy keyboard - * support here so we don't have to listen to failed keyboard probe - * messages. - */ - if (version <= 0x0209 && acpi_kbd_controller_present) { - printk(KERN_INFO "Disabling legacy keyboard support as prom " - "is too old and doesn't provide FADT\n"); - acpi_kbd_controller_present = 0; - } - - printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF); - status = ia64_sal_freq_base(SAL_FREQ_BASE_REALTIME_CLOCK, &ticks_per_sec, &drift); @@ -463,6 +448,21 @@ void __init sn_setup(char **cmdline_p) platform_intr_list[ACPI_INTERRUPT_CPEI] = IA64_CPE_VECTOR; + ia64_printk_clock = ia64_sn2_printk_clock; + + /* + * Old PROMs do not provide an ACPI FADT. Disable legacy keyboard + * support here so we don't have to listen to failed keyboard probe + * messages. + */ + if (version <= 0x0209 && acpi_kbd_controller_present) { + printk(KERN_INFO "Disabling legacy keyboard support as prom " + "is too old and doesn't provide FADT\n"); + acpi_kbd_controller_present = 0; + } + + printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF); + /* * we set the default root device to /dev/hda * to make simulation easy diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index 19b54fbcd7e..70db21f3df2 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2004-2005 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 2004-2006 Silicon Graphics, Inc. All rights reserved. * * SGI Altix topology and hardware performance monitoring API. * Mark Goodwin <markgw@sgi.com>. @@ -973,6 +973,9 @@ static int __devinit sn_hwperf_misc_register_init(void) { int e; + if (!ia64_platform_is("sn2")) + return 0; + sn_hwperf_init(); /* diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c index dbc8a392105..be8b711367e 100644 --- a/arch/m32r/kernel/m32r_ksyms.c +++ b/arch/m32r/kernel/m32r_ksyms.c @@ -18,11 +18,6 @@ #include <asm/irq.h> #include <asm/tlbflush.h> -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) || defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE) -extern struct drive_info_struct drive_info; -EXPORT_SYMBOL(drive_info); -#endif - /* platform dependent support */ EXPORT_SYMBOL(boot_cpu_data); EXPORT_SYMBOL(dump_fpu); diff --git a/arch/m32r/kernel/setup.c b/arch/m32r/kernel/setup.c index c2e4dccf011..d742037a7cc 100644 --- a/arch/m32r/kernel/setup.c +++ b/arch/m32r/kernel/setup.c @@ -37,12 +37,6 @@ extern void init_mmu(void); #endif -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) \ - || defined(CONFIG_BLK_DEV_IDE_MODULE) \ - || defined(CONFIG_BLK_DEV_HD_MODULE) -struct drive_info_struct { char dummy[32]; } drive_info; -#endif - extern char _end[]; /* diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c index 99bf4382479..63c117dae0c 100644 --- a/arch/m68knommu/kernel/process.c +++ b/arch/m68knommu/kernel/process.c @@ -39,6 +39,14 @@ asmlinkage void ret_from_fork(void); +/* + * The following aren't currently used. + */ +void (*pm_idle)(void); +EXPORT_SYMBOL(pm_idle); + +void (*pm_power_off)(void); +EXPORT_SYMBOL(pm_power_off); /* * The idle loop on an m68knommu.. diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c index 050685b87a3..b9713a72305 100644 --- a/arch/mips/cobalt/setup.c +++ b/arch/mips/cobalt/setup.c @@ -140,7 +140,7 @@ void __init plat_setup(void) uart.type = PORT_UNKNOWN; uart.uartclk = 18432000; uart.irq = COBALT_SERIAL_IRQ; - uart.flags = STD_COM_FLAGS; + uart.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; uart.iobase = 0xc800000; uart.iotype = UPIO_PORT; diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index fa98f10d013..5232fc75293 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -4,6 +4,7 @@ * for more details. * * Copyright (C) 1994 - 1999, 2000 by Ralf Baechle and others. + * Copyright (C) 2005, 2006 by Ralf Baechle (ralf@linux-mips.org) * Copyright (C) 1999, 2000 Silicon Graphics, Inc. * Copyright (C) 2004 Thiemo Seufer */ @@ -58,8 +59,8 @@ ATTRIB_NORET void cpu_idle(void) } } -extern int do_signal(sigset_t *oldset, struct pt_regs *regs); -extern int do_signal32(sigset_t *oldset, struct pt_regs *regs); +extern void do_signal(struct pt_regs *regs); +extern void do_signal32(struct pt_regs *regs); /* * Native o32 and N64 ABI without DSP ASE diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index a42e0e8caa7..d7c4a38ed5a 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -617,6 +617,23 @@ einval: li v0, -EINVAL sys sys_inotify_init 0 sys sys_inotify_add_watch 3 /* 4285 */ sys sys_inotify_rm_watch 2 + sys sys_migrate_pages 4 + sys sys_openat 4 + sys sys_mkdirat 3 + sys sys_mknodat 4 /* 4290 */ + sys sys_fchownat 5 + sys sys_futimesat 3 + sys sys_newfstatat 4 + sys sys_unlinkat 3 + sys sys_renameat 4 /* 4295 */ + sys sys_linkat 4 + sys sys_symlinkat 3 + sys sys_readlinkat 4 + sys sys_fchmodat 3 + sys sys_faccessat 3 /* 4300 */ + sys sys_pselect6 6 + sys sys_ppoll 5 + sys sys_unshare 1 .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 47bfbd41670..98bf25df56f 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -443,3 +443,20 @@ sys_call_table: PTR sys_inotify_init PTR sys_inotify_add_watch PTR sys_inotify_rm_watch /* 5245 */ + PTR sys_migrate_pages + PTR sys_openat + PTR sys_mkdirat + PTR sys_mknodat + PTR sys_fchownat /* 5250 */ + PTR sys_futimesat + PTR sys_newfstatat + PTR sys_unlinkat + PTR sys_renameat + PTR sys_linkat /* 5255 */ + PTR sys_symlinkat + PTR sys_readlinkat + PTR sys_fchmodat + PTR sys_faccessat + PTR sys_pselect6 /* 5260 */ + PTR sys_ppoll + PTR sys_unshare diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index b465ced1758..bc4980cefc8 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -369,3 +369,20 @@ EXPORT(sysn32_call_table) PTR sys_inotify_init PTR sys_inotify_add_watch PTR sys_inotify_rm_watch + PTR sys_migrate_pages /* 6250 */ + PTR sys_openat + PTR sys_mkdirat + PTR sys_mknodat + PTR sys_fchownat + PTR sys_futimesat /* 6255 */ + PTR sys_newfstatat + PTR sys_unlinkat + PTR sys_renameat + PTR sys_linkat + PTR sys_symlinkat /* 6260 */ + PTR sys_readlinkat + PTR sys_fchmodat + PTR sys_faccessat + PTR sys_pselect6 + PTR sys_ppoll /* 6265 */ + PTR sys_unshare diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 3d338ca7eee..5b0414018c9 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -491,4 +491,21 @@ sys_call_table: PTR sys_inotify_init PTR sys_inotify_add_watch /* 4285 */ PTR sys_inotify_rm_watch + PTR sys_migrate_pages + PTR compat_sys_openat + PTR sys_mkdirat + PTR sys_mknodat /* 4290 */ + PTR sys_fchownat + PTR compat_sys_futimesat + PTR compat_sys_newfstatat + PTR sys_unlinkat + PTR sys_renameat /* 4295 */ + PTR sys_linkat + PTR sys_symlinkat + PTR sys_readlinkat + PTR sys_fchmodat + PTR sys_faccessat /* 4300 */ + PTR sys_pselect6 + PTR sys_ppoll + PTR sys_unshare .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index aaec4785e9a..c974cc9b30e 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -39,8 +39,6 @@ #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) -int do_signal(sigset_t *oldset, struct pt_regs *regs); - /* * Atomically swap in the new signal mask, and wait for a signal. */ @@ -50,7 +48,7 @@ save_static_function(sys_sigsuspend); __attribute_used__ noinline static int _sys_sigsuspend(nabi_no_regargs struct pt_regs regs) { - sigset_t saveset, newset; + sigset_t newset; sigset_t __user *uset; uset = (sigset_t __user *) regs.regs[4]; @@ -59,19 +57,15 @@ _sys_sigsuspend(nabi_no_regargs struct pt_regs regs) sigdelsetmask(&newset, ~_BLOCKABLE); spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; + current->saved_sigmask = current->blocked; current->blocked = newset; recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - regs.regs[2] = EINTR; - regs.regs[7] = 1; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(&saveset, ®s)) - return -EINTR; - } + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_thread_flag(TIF_RESTORE_SIGMASK); + return -ERESTARTNOHAND; } #endif @@ -79,7 +73,7 @@ save_static_function(sys_rt_sigsuspend); __attribute_used__ noinline static int _sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) { - sigset_t saveset, newset; + sigset_t newset; sigset_t __user *unewset; size_t sigsetsize; @@ -94,19 +88,15 @@ _sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) sigdelsetmask(&newset, ~_BLOCKABLE); spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; + current->saved_sigmask = current->blocked; current->blocked = newset; recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - regs.regs[2] = EINTR; - regs.regs[7] = 1; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(&saveset, ®s)) - return -EINTR; - } + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_thread_flag(TIF_RESTORE_SIGMASK); + return -ERESTARTNOHAND; } #ifdef CONFIG_TRAD_SIGNALS @@ -315,11 +305,11 @@ int setup_frame(struct k_sigaction * ka, struct pt_regs *regs, current->comm, current->pid, frame, regs->cp0_epc, frame->regs[31]); #endif - return 1; + return 0; give_sigsegv: force_sigsegv(signr, current); - return 0; + return -EFAULT; } #endif @@ -375,11 +365,11 @@ int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs, current->comm, current->pid, frame, regs->cp0_epc, regs->regs[31]); #endif - return 1; + return 0; give_sigsegv: force_sigsegv(signr, current); - return 0; + return -EFAULT; } static inline int handle_signal(unsigned long sig, siginfo_t *info, @@ -393,7 +383,7 @@ static inline int handle_signal(unsigned long sig, siginfo_t *info, regs->regs[2] = EINTR; break; case ERESTARTSYS: - if(!(ka->sa.sa_flags & SA_RESTART)) { + if (!(ka->sa.sa_flags & SA_RESTART)) { regs->regs[2] = EINTR; break; } @@ -420,9 +410,10 @@ static inline int handle_signal(unsigned long sig, siginfo_t *info, return ret; } -int do_signal(sigset_t *oldset, struct pt_regs *regs) +void do_signal(struct pt_regs *regs) { struct k_sigaction ka; + sigset_t *oldset; siginfo_t info; int signr; @@ -432,17 +423,31 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs) * if so. */ if (!user_mode(regs)) - return 1; + return; if (try_to_freeze()) goto no_signal; - if (!oldset) + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + oldset = ¤t->saved_sigmask; + else oldset = ¤t->blocked; + signr = get_signal_to_deliver(&info, &ka, regs, NULL); - if (signr > 0) - return handle_signal(signr, &info, &ka, oldset, regs); + if (signr > 0) { + /* Whee! Actually deliver the signal. */ + if (handle_signal(signr, &info, &ka, oldset, regs) == 0) { + /* + * A signal was successfully delivered; the saved + * sigmask will have been stored in the signal frame, + * and will be restored by sigreturn, so we can simply + * clear the TIF_RESTORE_SIGMASK flag. + */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + clear_thread_flag(TIF_RESTORE_SIGMASK); + } + } no_signal: /* @@ -463,18 +468,25 @@ no_signal: regs->cp0_epc -= 4; } } - return 0; + + /* + * If there's no signal to deliver, we just put the saved sigmask + * back + */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) { + clear_thread_flag(TIF_RESTORE_SIGMASK); + sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + } } /* * notification of userspace execution resumption - * - triggered by current->work.notify_resume + * - triggered by the TIF_WORK_MASK flags */ -asmlinkage void do_notify_resume(struct pt_regs *regs, sigset_t *oldset, +asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags) { /* deal with pending signal delivery */ - if (thread_info_flags & _TIF_SIGPENDING) { - current->thread.abi->do_signal(oldset, regs); - } + if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + current->thread.abi->do_signal(regs); } diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 136260c8f75..da3271e1fda 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -694,11 +694,11 @@ int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs, current->comm, current->pid, frame, regs->cp0_epc, frame->sf_code); #endif - return 1; + return 0; give_sigsegv: force_sigsegv(signr, current); - return 0; + return -EFAULT; } int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs, @@ -765,11 +765,11 @@ int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs, current->comm, current->pid, frame, regs->cp0_epc, frame->rs_code); #endif - return 1; + return 0; give_sigsegv: force_sigsegv(signr, current); - return 0; + return -EFAULT; } static inline int handle_signal(unsigned long sig, siginfo_t *info, diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index 9156863c1a5..384fc4a639a 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c @@ -186,9 +186,9 @@ int setup_rt_frame_n32(struct k_sigaction * ka, current->comm, current->pid, frame, regs->cp0_epc, regs->regs[31]); #endif - return 1; + return 0; give_sigsegv: force_sigsegv(signr, current); - return 0; + return -EFAULT; } diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 332358430ff..1da2eeb3ef9 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -212,12 +212,12 @@ asmlinkage int sys_execve(nabi_no_regargs struct pt_regs regs) int error; char * filename; - filename = getname((char *) (long)regs.regs[4]); + filename = getname((char __user *) (long)regs.regs[4]); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, (char **) (long)regs.regs[5], - (char **) (long)regs.regs[6], ®s); + error = do_execve(filename, (char __user *__user *) (long)regs.regs[5], + (char __user *__user *) (long)regs.regs[6], ®s); putname(filename); out: @@ -227,7 +227,7 @@ out: /* * Compacrapability ... */ -asmlinkage int sys_uname(struct old_utsname * name) +asmlinkage int sys_uname(struct old_utsname __user * name) { if (name && !copy_to_user(name, &system_utsname, sizeof (*name))) return 0; @@ -237,7 +237,7 @@ asmlinkage int sys_uname(struct old_utsname * name) /* * Compacrapability ... */ -asmlinkage int sys_olduname(struct oldold_utsname * name) +asmlinkage int sys_olduname(struct oldold_utsname __user * name) { int error; @@ -274,7 +274,7 @@ void sys_set_thread_area(unsigned long addr) asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3) { int tmp, len; - char *name; + char __user *name; switch(cmd) { case SETNAME: { @@ -283,7 +283,7 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3) if (!capable(CAP_SYS_ADMIN)) return -EPERM; - name = (char *) arg1; + name = (char __user *) arg1; len = strncpy_from_user(nodename, name, __NEW_UTS_LEN); if (len < 0) @@ -324,7 +324,7 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3) * This is really horribly ugly. */ asmlinkage int sys_ipc (uint call, int first, int second, - unsigned long third, void *ptr, long fifth) + unsigned long third, void __user *ptr, long fifth) { int version, ret; @@ -333,24 +333,25 @@ asmlinkage int sys_ipc (uint call, int first, int second, switch (call) { case SEMOP: - return sys_semtimedop (first, (struct sembuf *)ptr, second, - NULL); + return sys_semtimedop (first, (struct sembuf __user *)ptr, + second, NULL); case SEMTIMEDOP: - return sys_semtimedop (first, (struct sembuf *)ptr, second, - (const struct timespec __user *)fifth); + return sys_semtimedop (first, (struct sembuf __user *)ptr, + second, + (const struct timespec __user *)fifth); case SEMGET: return sys_semget (first, second, third); case SEMCTL: { union semun fourth; if (!ptr) return -EINVAL; - if (get_user(fourth.__pad, (void **) ptr)) + if (get_user(fourth.__pad, (void *__user *) ptr)) return -EFAULT; return sys_semctl (first, second, third, fourth); } case MSGSND: - return sys_msgsnd (first, (struct msgbuf *) ptr, + return sys_msgsnd (first, (struct msgbuf __user *) ptr, second, third); case MSGRCV: switch (version) { @@ -360,7 +361,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, return -EINVAL; if (copy_from_user(&tmp, - (struct ipc_kludge *) ptr, + (struct ipc_kludge __user *) ptr, sizeof (tmp))) return -EFAULT; return sys_msgrcv (first, tmp.msgp, second, @@ -368,35 +369,38 @@ asmlinkage int sys_ipc (uint call, int first, int second, } default: return sys_msgrcv (first, - (struct msgbuf *) ptr, + (struct msgbuf __user *) ptr, second, fifth, third); } case MSGGET: return sys_msgget ((key_t) first, second); case MSGCTL: - return sys_msgctl (first, second, (struct msqid_ds *) ptr); + return sys_msgctl (first, second, + (struct msqid_ds __user *) ptr); case SHMAT: switch (version) { default: { ulong raddr; - ret = do_shmat (first, (char *) ptr, second, &raddr); + ret = do_shmat (first, (char __user *) ptr, second, + &raddr); if (ret) return ret; - return put_user (raddr, (ulong *) third); + return put_user (raddr, (ulong __user *) third); } case 1: /* iBCS2 emulator entry point */ if (!segment_eq(get_fs(), get_ds())) return -EINVAL; - return do_shmat (first, (char *) ptr, second, (ulong *) third); + return do_shmat (first, (char __user *) ptr, second, + (ulong *) third); } case SHMDT: - return sys_shmdt ((char *)ptr); + return sys_shmdt ((char __user *)ptr); case SHMGET: return sys_shmget (first, second, third); case SHMCTL: return sys_shmctl (first, second, - (struct shmid_ds *) ptr); + (struct shmid_ds __user *) ptr); default: return -ENOSYS; } diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c index dcd819d57da..83eb08b7a07 100644 --- a/arch/mips/lasat/setup.c +++ b/arch/mips/lasat/setup.c @@ -134,8 +134,8 @@ void __init serial_init(void) memset(&s, 0, sizeof(s)); - s.flags = STD_COM_FLAGS; - s.iotype = SERIAL_IO_MEM; + s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; + s.iotype = UPIO_MEM; if (mips_machtype == MACH_LASAT_100) { s.uartclk = LASAT_BASE_BAUD_100 * 16; diff --git a/arch/mips/mips-boards/atlas/atlas_setup.c b/arch/mips/mips-boards/atlas/atlas_setup.c index 625843b30be..873cf3141a3 100644 --- a/arch/mips/mips-boards/atlas/atlas_setup.c +++ b/arch/mips/mips-boards/atlas/atlas_setup.c @@ -82,8 +82,8 @@ static void __init serial_init(void) #endif s.irq = ATLASINT_UART; s.uartclk = ATLAS_BASE_BAUD * 16; - s.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ; - s.iotype = SERIAL_IO_PORT; + s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ; + s.iotype = UPIO_PORT; s.regshift = 3; if (early_serial_setup(&s) != 0) { diff --git a/arch/mips/mips-boards/sead/sead_setup.c b/arch/mips/mips-boards/sead/sead_setup.c index f966bc161df..4266ce44517 100644 --- a/arch/mips/mips-boards/sead/sead_setup.c +++ b/arch/mips/mips-boards/sead/sead_setup.c @@ -71,8 +71,8 @@ static void __init serial_init(void) #endif s.irq = MIPSCPU_INT_BASE + MIPSCPU_INT_UART0; s.uartclk = SEAD_BASE_BAUD * 16; - s.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ; - s.iotype = 0; + s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ; + s.iotype = UPIO_PORT; s.regshift = 3; if (early_serial_setup(&s) != 0) { diff --git a/arch/mips/mips-boards/sim/sim_setup.c b/arch/mips/mips-boards/sim/sim_setup.c index 485d5a58d9c..a2fd62997ca 100644 --- a/arch/mips/mips-boards/sim/sim_setup.c +++ b/arch/mips/mips-boards/sim/sim_setup.c @@ -88,8 +88,8 @@ static void __init serial_init(void) but poll for now */ s.irq = 0; s.uartclk = BASE_BAUD * 16; - s.flags = ASYNC_BOOT_AUTOCONF | UPF_SKIP_TEST; - s.iotype = SERIAL_IO_PORT | ASYNC_SKIP_TEST; + s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; + s.iotype = UPIO_PORT; s.regshift = 0; s.timeout = 4; diff --git a/arch/mips/momentum/jaguar_atx/ja-console.c b/arch/mips/momentum/jaguar_atx/ja-console.c index da6e1ed34db..2292d0ec47f 100644 --- a/arch/mips/momentum/jaguar_atx/ja-console.c +++ b/arch/mips/momentum/jaguar_atx/ja-console.c @@ -93,7 +93,7 @@ static void inline ja_console_probe(void) up.uartclk = JAGUAR_ATX_UART_CLK; up.regshift = 2; up.iotype = UPIO_MEM; - up.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; + up.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; up.line = 0; if (early_serial_setup(&up)) diff --git a/arch/mips/philips/pnx8550/common/platform.c b/arch/mips/philips/pnx8550/common/platform.c index 8aa9bd65b45..a592260fd67 100644 --- a/arch/mips/philips/pnx8550/common/platform.c +++ b/arch/mips/philips/pnx8550/common/platform.c @@ -66,28 +66,28 @@ struct ip3106_port ip3106_ports[] = { [0] = { .port = { .type = PORT_IP3106, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .membase = (void __iomem *)PNX8550_UART_PORT0, .mapbase = PNX8550_UART_PORT0, .irq = PNX8550_UART_INT(0), .uartclk = 3692300, .fifosize = 16, .ops = &ip3106_pops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 0, }, }, [1] = { .port = { .type = PORT_IP3106, - .iotype = SERIAL_IO_MEM, + .iotype = UPIO_MEM, .membase = (void __iomem *)PNX8550_UART_PORT1, .mapbase = PNX8550_UART_PORT1, .irq = PNX8550_UART_INT(1), .uartclk = 3692300, .fifosize = 16, .ops = &ip3106_pops, - .flags = ASYNC_BOOT_AUTOCONF, + .flags = UPF_BOOT_AUTOCONF, .line = 1, }, }, diff --git a/arch/mips/pmc-sierra/yosemite/setup.c b/arch/mips/pmc-sierra/yosemite/setup.c index 059755b5ed5..8bce711575d 100644 --- a/arch/mips/pmc-sierra/yosemite/setup.c +++ b/arch/mips/pmc-sierra/yosemite/setup.c @@ -185,7 +185,7 @@ static void __init py_uart_setup(void) up.uartclk = TITAN_UART_CLK; up.regshift = 0; up.iotype = UPIO_MEM; - up.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; + up.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; up.line = 0; if (early_serial_setup(&up)) diff --git a/arch/mips/sgi-ip32/ip32-setup.c b/arch/mips/sgi-ip32/ip32-setup.c index d10a269aeae..2c38770b1e1 100644 --- a/arch/mips/sgi-ip32/ip32-setup.c +++ b/arch/mips/sgi-ip32/ip32-setup.c @@ -66,11 +66,6 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str) #include <linux/tty.h> #include <linux/serial.h> #include <linux/serial_core.h> -extern int early_serial_setup(struct uart_port *port); - -#define STD_COM_FLAGS (ASYNC_SKIP_TEST) -#define BASE_BAUD (1843200 / 16) - #endif /* CONFIG_SERIAL_8250 */ /* An arbitrary time; this can be decreased if reliability looks good */ @@ -110,8 +105,8 @@ void __init plat_setup(void) o2_serial[0].type = PORT_16550A; o2_serial[0].line = 0; o2_serial[0].irq = MACEISA_SERIAL1_IRQ; - o2_serial[0].flags = STD_COM_FLAGS; - o2_serial[0].uartclk = BASE_BAUD * 16; + o2_serial[0].flags = UPF_SKIP_TEST; + o2_serial[0].uartclk = 1843200; o2_serial[0].iotype = UPIO_MEM; o2_serial[0].membase = (char *)&mace->isa.serial1; o2_serial[0].fifosize = 14; @@ -121,8 +116,8 @@ void __init plat_setup(void) o2_serial[1].type = PORT_16550A; o2_serial[1].line = 1; o2_serial[1].irq = MACEISA_SERIAL2_IRQ; - o2_serial[1].flags = STD_COM_FLAGS; - o2_serial[1].uartclk = BASE_BAUD * 16; + o2_serial[1].flags = UPF_SKIP_TEST; + o2_serial[1].uartclk = 1843200; o2_serial[1].iotype = UPIO_MEM; o2_serial[1].membase = (char *)&mace->isa.serial2; o2_serial[1].fifosize = 14; diff --git a/arch/parisc/hpux/sys_hpux.c b/arch/parisc/hpux/sys_hpux.c index 29b4d61898f..05273ccced0 100644 --- a/arch/parisc/hpux/sys_hpux.c +++ b/arch/parisc/hpux/sys_hpux.c @@ -468,19 +468,23 @@ int hpux_sysfs(int opcode, unsigned long arg1, unsigned long arg2) if ( opcode == 1 ) { /* GETFSIND */ len = strlen_user((char *)arg1); printk(KERN_DEBUG "len of arg1 = %d\n", len); - - fsname = (char *) kmalloc(len+1, GFP_KERNEL); + if (len == 0) + return 0; + fsname = (char *) kmalloc(len, GFP_KERNEL); if ( !fsname ) { printk(KERN_DEBUG "failed to kmalloc fsname\n"); return 0; } - if ( copy_from_user(fsname, (char *)arg1, len+1) ) { + if ( copy_from_user(fsname, (char *)arg1, len) ) { printk(KERN_DEBUG "failed to copy_from_user fsname\n"); kfree(fsname); return 0; } + /* String could be altered by userspace after strlen_user() */ + fsname[len] = '\0'; + printk(KERN_DEBUG "that is '%s' as (char *)\n", fsname); if ( !strcmp(fsname, "hfs") ) { fstype = 0; diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S index e4362dfa37f..340730fb8c9 100644 --- a/arch/powerpc/kernel/fpu.S +++ b/arch/powerpc/kernel/fpu.S @@ -66,7 +66,7 @@ _GLOBAL(load_up_fpu) #else ld r4,PACACURRENT(r13) addi r5,r4,THREAD /* Get THREAD */ - ld r4,THREAD_FPEXC_MODE(r5) + lwz r4,THREAD_FPEXC_MODE(r5) ori r12,r12,MSR_FP or r12,r12,r4 std r12,_MSR(r1) diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 30826846634..41565962939 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -749,11 +749,12 @@ iSeries_secondary_smp_loop: .globl decrementer_iSeries_masked decrementer_iSeries_masked: + /* We may not have a valid TOC pointer in here. */ li r11,1 ld r12,PACALPPACAPTR(r13) stb r11,LPPACADECRINT(r12) - LOAD_REG_ADDRBASE(r12,tb_ticks_per_jiffy) - lwz r12,ADDROFF(tb_ticks_per_jiffy)(r12) + LOAD_REG_IMMEDIATE(r12, tb_ticks_per_jiffy) + lwz r12,0(r12) mtspr SPRN_DEC,r12 /* fall through */ diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 4d9b4388918..946f3219fd2 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -334,9 +334,6 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, spin_unlock_irqrestore(&(tbl->it_lock), flags); - /* Make sure updates are seen by hardware */ - mb(); - DBG("mapped %d elements:\n", outcount); /* For the sake of iommu_unmap_sg, we clear out the length in the @@ -347,6 +344,10 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, outs->dma_address = DMA_ERROR_CODE; outs->dma_length = 0; } + + /* Make sure updates are seen by hardware */ + mb(); + return outcount; failure: @@ -358,6 +359,8 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, npages = (PAGE_ALIGN(s->dma_address + s->dma_length) - vaddr) >> PAGE_SHIFT; __iommu_free(tbl, vaddr, npages); + s->dma_address = DMA_ERROR_CODE; + s->dma_length = 0; } } spin_unlock_irqrestore(&(tbl->it_lock), flags); diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index d50c8df0183..294832a7e0a 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -491,7 +491,12 @@ void __init finish_device_tree(void) size = 16; finish_node(allnodes, &size, 1); size -= 16; - end = start = (unsigned long) __va(lmb_alloc(size, 128)); + + if (0 == size) + end = start = 0; + else + end = start = (unsigned long)__va(lmb_alloc(size, 128)); + finish_node(allnodes, &end, 0); BUG_ON(end != start + size); @@ -1398,8 +1403,8 @@ struct device_node *of_find_node_by_name(struct device_node *from, read_lock(&devtree_lock); np = from ? from->allnext : allnodes; - for (; np != 0; np = np->allnext) - if (np->name != 0 && strcasecmp(np->name, name) == 0 + for (; np != NULL; np = np->allnext) + if (np->name != NULL && strcasecmp(np->name, name) == 0 && of_node_get(np)) break; if (from) @@ -1917,3 +1922,30 @@ int prom_update_property(struct device_node *np, return 0; } + +#ifdef CONFIG_KEXEC +/* We may have allocated the flat device tree inside the crash kernel region + * in prom_init. If so we need to move it out into regular memory. */ +void kdump_move_device_tree(void) +{ + unsigned long start, end; + struct boot_param_header *new; + + start = __pa((unsigned long)initial_boot_params); + end = start + initial_boot_params->totalsize; + + if (end < crashk_res.start || start > crashk_res.end) + return; + + new = (struct boot_param_header*) + __va(lmb_alloc(initial_boot_params->totalsize, PAGE_SIZE)); + + memcpy(new, initial_boot_params, initial_boot_params->totalsize); + + initial_boot_params = new; + + DBG("Flat device tree blob moved to %p\n", initial_boot_params); + + /* XXX should we unreserve the old DT? */ +} +#endif /* CONFIG_KEXEC */ diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 7881ec96ef1..ec7153f4d47 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -2098,6 +2098,10 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, */ prom_init_stdout(); + /* Bail if this is a kdump kernel. */ + if (PHYSICAL_START > 0) + prom_panic("Error: You can't boot a kdump kernel from OF!\n"); + /* * Check for an initrd */ diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index a8099c80615..3934c227549 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -465,8 +465,10 @@ u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size, if (parent == NULL) return NULL; bus = of_match_bus(parent); - if (strcmp(bus->name, "pci")) + if (strcmp(bus->name, "pci")) { + of_node_put(parent); return NULL; + } bus->count_cells(dev, &na, &ns); of_node_put(parent); if (!OF_CHECK_COUNTS(na, ns)) diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 7fe4a5c944c..b5b2add7ad1 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -22,6 +22,7 @@ #include <asm/prom.h> #include <asm/rtas.h> +#include <asm/hvcall.h> #include <asm/semaphore.h> #include <asm/machdep.h> #include <asm/page.h> @@ -565,6 +566,7 @@ static int ibm_suspend_me_token = RTAS_UNKNOWN_SERVICE; #ifdef CONFIG_PPC_PSERIES static void rtas_percpu_suspend_me(void *info) { + int i; long rc; long flags; struct rtas_suspend_me_data *data = @@ -587,18 +589,16 @@ static void rtas_percpu_suspend_me(void *info) if (rc == H_Continue) { data->waiting = 0; - rtas_call(ibm_suspend_me_token, 0, 1, - data->args->args); + data->args->args[data->args->nargs] = + rtas_call(ibm_suspend_me_token, 0, 1, NULL); + for_each_cpu(i) + plpar_hcall_norets(H_PROD,i); } else { data->waiting = -EBUSY; printk(KERN_ERR "Error on H_Join hypervisor call\n"); } out: - /* before we restore interrupts, make sure we don't - * generate a spurious soft lockup errors - */ - touch_softlockup_watchdog(); local_irq_restore(flags); return; } diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c index 50500093c97..aaf384c3f04 100644 --- a/arch/powerpc/kernel/rtas_flash.c +++ b/arch/powerpc/kernel/rtas_flash.c @@ -672,8 +672,7 @@ static void rtas_flash_firmware(int reboot_type) static void remove_flash_pde(struct proc_dir_entry *dp) { if (dp) { - if (dp->data != NULL) - kfree(dp->data); + kfree(dp->data); dp->owner = NULL; remove_proc_entry(dp->name, dp->parent); } diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index e29b275e09e..a717dff695e 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -398,6 +398,9 @@ void __init setup_system(void) { DBG(" -> setup_system()\n"); +#ifdef CONFIG_KEXEC + kdump_move_device_tree(); +#endif /* * Unflatten the device-tree passed by prom_init or kexec */ diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index c6d0595da6b..bd837b5dbf0 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -142,11 +142,7 @@ static inline int get_old_sigaction(struct k_sigaction *new_ka, return 0; } -static inline compat_uptr_t to_user_ptr(void *kp) -{ - return (compat_uptr_t)(u64)kp; -} - +#define to_user_ptr(p) ptr_to_compat(p) #define from_user_ptr(p) compat_ptr(p) static inline int save_general_regs(struct pt_regs *regs, @@ -213,8 +209,8 @@ static inline int get_old_sigaction(struct k_sigaction *new_ka, return 0; } -#define to_user_ptr(p) (p) -#define from_user_ptr(p) (p) +#define to_user_ptr(p) ((unsigned long)(p)) +#define from_user_ptr(p) ((void __user *)(p)) static inline int save_general_regs(struct pt_regs *regs, struct mcontext __user *frame) @@ -526,7 +522,7 @@ long compat_sys_rt_sigaction(int sig, const struct sigaction32 __user *act, ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); if (!ret && oact) { - ret = put_user((long)old_ka.sa.sa_handler, &oact->sa_handler); + ret = put_user(to_user_ptr(old_ka.sa.sa_handler), &oact->sa_handler); ret |= put_sigset_t(&oact->sa_mask, &old_ka.sa.sa_mask); ret |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags); } @@ -675,8 +671,8 @@ long compat_sys_rt_sigqueueinfo(u32 pid, u32 sig, compat_siginfo_t __user *uinfo int compat_sys_sigaltstack(u32 __new, u32 __old, int r5, int r6, int r7, int r8, struct pt_regs *regs) { - stack_32_t __user * newstack = (stack_32_t __user *)(long) __new; - stack_32_t __user * oldstack = (stack_32_t __user *)(long) __old; + stack_32_t __user * newstack = compat_ptr(__new); + stack_32_t __user * oldstack = compat_ptr(__old); stack_t uss, uoss; int ret; mm_segment_t old_fs; @@ -708,7 +704,7 @@ int compat_sys_sigaltstack(u32 __new, u32 __old, int r5, set_fs(old_fs); /* Copy the stack information to the user output buffer */ if (!ret && oldstack && - (put_user((long)uoss.ss_sp, &oldstack->ss_sp) || + (put_user(ptr_to_compat(uoss.ss_sp), &oldstack->ss_sp) || __put_user(uoss.ss_flags, &oldstack->ss_flags) || __put_user(uoss.ss_size, &oldstack->ss_size))) return -EFAULT; diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index b3193116e68..497a5d3df35 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -60,8 +60,8 @@ struct rt_sigframe { struct ucontext uc; unsigned long _unused[2]; unsigned int tramp[TRAMP_SIZE]; - struct siginfo *pinfo; - void *puc; + struct siginfo __user *pinfo; + void __user *puc; struct siginfo info; /* 64 bit ABI allows for 288 bytes below sp before decrementing it. */ char abigap[288]; diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index c8458c531b2..13595a64f01 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -540,6 +540,9 @@ int __devinit start_secondary(void *unused) if (smp_ops->take_timebase) smp_ops->take_timebase(); + if (system_state > SYSTEM_BOOTING) + per_cpu(last_jiffy, cpu) = get_tb(); + spin_lock(&call_lock); cpu_set(cpu, cpu_online_map); spin_unlock(&call_lock); diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index c4a294d657b..1886045a2fd 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -612,10 +612,10 @@ void __init generic_calibrate_decr(void) ppc_tb_freq = DEFAULT_TB_FREQ; /* hardcoded default */ node_found = 0; - if (cpu != 0) { + if (cpu) { fp = (unsigned int *)get_property(cpu, "timebase-frequency", NULL); - if (fp != 0) { + if (fp) { node_found = 1; ppc_tb_freq = *fp; } @@ -626,10 +626,10 @@ void __init generic_calibrate_decr(void) ppc_proc_freq = DEFAULT_PROC_FREQ; node_found = 0; - if (cpu != 0) { + if (cpu) { fp = (unsigned int *)get_property(cpu, "clock-frequency", NULL); - if (fp != 0) { + if (fp) { node_found = 1; ppc_proc_freq = *fp; } diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c index 2da65a9c93f..5d29dcca523 100644 --- a/arch/powerpc/kernel/udbg_16550.c +++ b/arch/powerpc/kernel/udbg_16550.c @@ -144,7 +144,7 @@ unsigned int udbg_probe_uart_speed(void __iomem *comport, unsigned int clock) } #ifdef CONFIG_PPC_MAPLE -void udbg_maple_real_putc(unsigned char c) +void udbg_maple_real_putc(char c) { if (udbg_comport) { while ((real_readb(&udbg_comport->lsr) & LSR_THRE) == 0) diff --git a/arch/powerpc/mm/lmb.c b/arch/powerpc/mm/lmb.c index 9584608fd76..bbe3eac918e 100644 --- a/arch/powerpc/mm/lmb.c +++ b/arch/powerpc/mm/lmb.c @@ -197,6 +197,8 @@ long __init lmb_reserve(unsigned long base, unsigned long size) { struct lmb_region *_rgn = &(lmb.reserved); + BUG_ON(0 == size); + return lmb_add_region(_rgn, base, size); } @@ -227,6 +229,8 @@ unsigned long __init lmb_alloc_base(unsigned long size, unsigned long align, long i, j; unsigned long base = 0; + BUG_ON(0 == size); + #ifdef CONFIG_PPC32 /* On 32-bit, make sure we allocate lowmem */ if (max_addr == LMB_ALLOC_ANYWHERE) diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 15aac0d78df..550517c2dd4 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -435,17 +435,12 @@ void clear_user_page(void *page, unsigned long vaddr, struct page *pg) { clear_page(page); - if (cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) - return; /* * We shouldnt have to do this, but some versions of glibc * require it (ld.so assumes zero filled pages are icache clean) * - Anton */ - - /* avoid an atomic op if possible */ - if (test_bit(PG_arch_1, &pg->flags)) - clear_bit(PG_arch_1, &pg->flags); + flush_dcache_page(pg); } EXPORT_SYMBOL(clear_user_page); @@ -469,12 +464,7 @@ void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, return; #endif - if (cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) - return; - - /* avoid an atomic op if possible */ - if (test_bit(PG_arch_1, &pg->flags)) - clear_bit(PG_arch_1, &pg->flags); + flush_dcache_page(pg); } void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile index 16031b565be..3b998a393e3 100644 --- a/arch/powerpc/platforms/cell/Makefile +++ b/arch/powerpc/platforms/cell/Makefile @@ -2,7 +2,7 @@ obj-y += interrupt.o iommu.o setup.o spider-pic.o obj-y += pervasive.o obj-$(CONFIG_SMP) += smp.o -obj-$(CONFIG_SPU_FS) += spufs/ spu-base.o +obj-$(CONFIG_SPU_FS) += spu-base.o spufs/ spu-base-y += spu_base.o spu_priv1.o diff --git a/arch/powerpc/platforms/chrp/chrp.h b/arch/powerpc/platforms/chrp/chrp.h index 3a2057fa314..814f54742e0 100644 --- a/arch/powerpc/platforms/chrp/chrp.h +++ b/arch/powerpc/platforms/chrp/chrp.h @@ -5,7 +5,6 @@ extern void chrp_nvram_init(void); extern void chrp_get_rtc_time(struct rtc_time *); extern int chrp_set_rtc_time(struct rtc_time *); -extern void chrp_calibrate_decr(void); extern long chrp_time_init(void); extern void chrp_find_bridges(void); diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index 00c52f27ef4..8ef279ad36a 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -204,9 +204,11 @@ static void __init setup_peg2(struct pci_controller *hose, struct device_node *d struct device_node *root = find_path_device("/"); struct device_node *rtas; + of_node_get(root); rtas = of_find_node_by_name (root, "rtas"); if (rtas) { hose->ops = &rtas_pci_ops; + of_node_put(rtas); } else { printk ("RTAS supporting Pegasos OF not found, please upgrade" " your firmware\n"); diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 2dc87aa5962..e1fadbf4915 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -506,7 +506,7 @@ void __init chrp_init(void) ppc_md.halt = rtas_halt; ppc_md.time_init = chrp_time_init; - ppc_md.calibrate_decr = chrp_calibrate_decr; + ppc_md.calibrate_decr = generic_calibrate_decr; /* this may get overridden with rtas routines later... */ ppc_md.set_rtc_time = chrp_set_rtc_time; diff --git a/arch/powerpc/platforms/chrp/time.c b/arch/powerpc/platforms/chrp/time.c index 36a0f97bb7b..78df2e7ca88 100644 --- a/arch/powerpc/platforms/chrp/time.c +++ b/arch/powerpc/platforms/chrp/time.c @@ -167,24 +167,3 @@ void chrp_get_rtc_time(struct rtc_time *tm) tm->tm_mon = mon; tm->tm_year = year; } - - -void __init chrp_calibrate_decr(void) -{ - struct device_node *cpu; - unsigned int freq, *fp; - - /* - * The cpu node should have a timebase-frequency property - * to tell us the rate at which the decrementer counts. - */ - freq = 16666000; /* hardcoded default */ - cpu = find_type_devices("cpu"); - if (cpu != 0) { - fp = (unsigned int *) - get_property(cpu, "timebase-frequency", NULL); - if (fp != 0) - freq = *fp; - } - ppc_tb_freq = freq; -} diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index 535c802b369..87eb6bb7f0e 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -1052,8 +1052,7 @@ struct pmac_i2c_bus *pmac_i2c_adapter_to_bus(struct i2c_adapter *adapter) } EXPORT_SYMBOL_GPL(pmac_i2c_adapter_to_bus); -extern int pmac_i2c_match_adapter(struct device_node *dev, - struct i2c_adapter *adapter) +int pmac_i2c_match_adapter(struct device_node *dev, struct i2c_adapter *adapter) { struct pmac_i2c_bus *bus = pmac_i2c_find_bus(dev); diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index f671ed25390..de3f30e6b33 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -136,14 +136,14 @@ static void __init fixup_bus_range(struct device_node *bridge) |(((unsigned int)(off)) & 0xFCUL) \ |1UL) -static unsigned long macrisc_cfg_access(struct pci_controller* hose, +static volatile void __iomem *macrisc_cfg_access(struct pci_controller* hose, u8 bus, u8 dev_fn, u8 offset) { unsigned int caddr; if (bus == hose->first_busno) { if (dev_fn < (11 << 3)) - return 0; + return NULL; caddr = MACRISC_CFA0(dev_fn, offset); } else caddr = MACRISC_CFA1(bus, dev_fn, offset); @@ -154,14 +154,14 @@ static unsigned long macrisc_cfg_access(struct pci_controller* hose, } while (in_le32(hose->cfg_addr) != caddr); offset &= has_uninorth ? 0x07 : 0x03; - return ((unsigned long)hose->cfg_data) + offset; + return hose->cfg_data + offset; } static int macrisc_read_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 *val) { struct pci_controller *hose; - unsigned long addr; + volatile void __iomem *addr; hose = pci_bus_to_host(bus); if (hose == NULL) @@ -177,13 +177,13 @@ static int macrisc_read_config(struct pci_bus *bus, unsigned int devfn, */ switch (len) { case 1: - *val = in_8((u8 *)addr); + *val = in_8(addr); break; case 2: - *val = in_le16((u16 *)addr); + *val = in_le16(addr); break; default: - *val = in_le32((u32 *)addr); + *val = in_le32(addr); break; } return PCIBIOS_SUCCESSFUL; @@ -193,7 +193,7 @@ static int macrisc_write_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 val) { struct pci_controller *hose; - unsigned long addr; + volatile void __iomem *addr; hose = pci_bus_to_host(bus); if (hose == NULL) @@ -209,16 +209,16 @@ static int macrisc_write_config(struct pci_bus *bus, unsigned int devfn, */ switch (len) { case 1: - out_8((u8 *)addr, val); - (void) in_8((u8 *)addr); + out_8(addr, val); + (void) in_8(addr); break; case 2: - out_le16((u16 *)addr, val); - (void) in_le16((u16 *)addr); + out_le16(addr, val); + (void) in_le16(addr); break; default: - out_le32((u32 *)addr, val); - (void) in_le32((u32 *)addr); + out_le32(addr, val); + (void) in_le32(addr); break; } return PCIBIOS_SUCCESSFUL; @@ -348,25 +348,23 @@ static int u3_ht_skip_device(struct pci_controller *hose, + (((unsigned int)bus) << 16) \ + 0x01000000UL) -static unsigned long u3_ht_cfg_access(struct pci_controller* hose, +static volatile void __iomem *u3_ht_cfg_access(struct pci_controller* hose, u8 bus, u8 devfn, u8 offset) { if (bus == hose->first_busno) { /* For now, we don't self probe U3 HT bridge */ if (PCI_SLOT(devfn) == 0) - return 0; - return ((unsigned long)hose->cfg_data) + - U3_HT_CFA0(devfn, offset); + return NULL; + return hose->cfg_data + U3_HT_CFA0(devfn, offset); } else - return ((unsigned long)hose->cfg_data) + - U3_HT_CFA1(bus, devfn, offset); + return hose->cfg_data + U3_HT_CFA1(bus, devfn, offset); } static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 *val) { struct pci_controller *hose; - unsigned long addr; + volatile void __iomem *addr; hose = pci_bus_to_host(bus); if (hose == NULL) @@ -400,13 +398,13 @@ static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn, */ switch (len) { case 1: - *val = in_8((u8 *)addr); + *val = in_8(addr); break; case 2: - *val = in_le16((u16 *)addr); + *val = in_le16(addr); break; default: - *val = in_le32((u32 *)addr); + *val = in_le32(addr); break; } return PCIBIOS_SUCCESSFUL; @@ -416,7 +414,7 @@ static int u3_ht_write_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 val) { struct pci_controller *hose; - unsigned long addr; + volatile void __iomem *addr; hose = pci_bus_to_host(bus); if (hose == NULL) @@ -442,16 +440,16 @@ static int u3_ht_write_config(struct pci_bus *bus, unsigned int devfn, */ switch (len) { case 1: - out_8((u8 *)addr, val); - (void) in_8((u8 *)addr); + out_8(addr, val); + (void) in_8(addr); break; case 2: - out_le16((u16 *)addr, val); - (void) in_le16((u16 *)addr); + out_le16(addr, val); + (void) in_le16(addr); break; default: - out_le32((u32 *)addr, val); - (void) in_le32((u32 *)addr); + out_le32((u32 __iomem *)addr, val); + (void) in_le32(addr); break; } return PCIBIOS_SUCCESSFUL; @@ -476,7 +474,7 @@ static struct pci_ops u3_ht_pci_ops = |(((unsigned int)(off)) & 0xfcU) \ |1UL) -static unsigned long u4_pcie_cfg_access(struct pci_controller* hose, +static volatile void __iomem *u4_pcie_cfg_access(struct pci_controller* hose, u8 bus, u8 dev_fn, int offset) { unsigned int caddr; @@ -492,14 +490,14 @@ static unsigned long u4_pcie_cfg_access(struct pci_controller* hose, } while (in_le32(hose->cfg_addr) != caddr); offset &= 0x03; - return ((unsigned long)hose->cfg_data) + offset; + return hose->cfg_data + offset; } static int u4_pcie_read_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 *val) { struct pci_controller *hose; - unsigned long addr; + volatile void __iomem *addr; hose = pci_bus_to_host(bus); if (hose == NULL) @@ -515,13 +513,13 @@ static int u4_pcie_read_config(struct pci_bus *bus, unsigned int devfn, */ switch (len) { case 1: - *val = in_8((u8 *)addr); + *val = in_8(addr); break; case 2: - *val = in_le16((u16 *)addr); + *val = in_le16(addr); break; default: - *val = in_le32((u32 *)addr); + *val = in_le32(addr); break; } return PCIBIOS_SUCCESSFUL; @@ -531,7 +529,7 @@ static int u4_pcie_write_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 val) { struct pci_controller *hose; - unsigned long addr; + volatile void __iomem *addr; hose = pci_bus_to_host(bus); if (hose == NULL) @@ -547,16 +545,16 @@ static int u4_pcie_write_config(struct pci_bus *bus, unsigned int devfn, */ switch (len) { case 1: - out_8((u8 *)addr, val); - (void) in_8((u8 *)addr); + out_8(addr, val); + (void) in_8(addr); break; case 2: - out_le16((u16 *)addr, val); - (void) in_le16((u16 *)addr); + out_le16(addr, val); + (void) in_le16(addr); break; default: - out_le32((u32 *)addr, val); - (void) in_le32((u32 *)addr); + out_le32(addr, val); + (void) in_le32(addr); break; } return PCIBIOS_SUCCESSFUL; @@ -773,8 +771,7 @@ static void __init setup_u3_ht(struct pci_controller* hose) * the reg address cell, we shall fix that by killing struct * reg_property and using some accessor functions instead */ - hose->cfg_data = (volatile unsigned char *)ioremap(0xf2000000, - 0x02000000); + hose->cfg_data = ioremap(0xf2000000, 0x02000000); /* * /ht node doesn't expose a "ranges" property, so we "remove" diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index 89c4c363616..1955462f408 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -82,8 +82,6 @@ #undef SHOW_GATWICK_IRQS -unsigned char drive_info; - int ppc_override_l2cr = 0; int ppc_override_l2cr_value; int has_l2cache = 0; diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c index 6373372932b..e3cbba49fd6 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/platforms/pseries/eeh_driver.c @@ -333,7 +333,7 @@ void handle_eeh_events (struct eeh_event *event) rc = eeh_reset_device(frozen_pdn, NULL); if (rc) goto hard_fail; - pci_walk_bus(frozen_bus, eeh_report_reset, 0); + pci_walk_bus(frozen_bus, eeh_report_reset, NULL); } /* If all devices reported they can proceed, the re-enable PIO */ @@ -342,11 +342,11 @@ void handle_eeh_events (struct eeh_event *event) rc = eeh_reset_device(frozen_pdn, NULL); if (rc) goto hard_fail; - pci_walk_bus(frozen_bus, eeh_report_reset, 0); + pci_walk_bus(frozen_bus, eeh_report_reset, NULL); } /* Tell all device drivers that they can resume operations */ - pci_walk_bus(frozen_bus, eeh_report_resume, 0); + pci_walk_bus(frozen_bus, eeh_report_resume, NULL); return; @@ -367,7 +367,7 @@ hard_fail: eeh_slot_error_detail(frozen_pdn, 2 /* Permanent Error */); /* Notify all devices that they're about to go down. */ - pci_walk_bus(frozen_bus, eeh_report_failure, 0); + pci_walk_bus(frozen_bus, eeh_report_failure, NULL); /* Shut down the device drivers for good. */ pcibios_remove_pci_devices(frozen_bus); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index da6cebaf72c..9edeca83f43 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -585,7 +585,7 @@ static int pSeries_pci_probe_mode(struct pci_bus *bus) static void pseries_kexec_cpu_down(int crash_shutdown, int secondary) { /* Don't risk a hypervisor call if we're crashing */ - if (!crash_shutdown) { + if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) { unsigned long vpa = __pa(get_lppaca()); if (unregister_vpa(hard_smp_processor_id(), vpa)) { diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c index 977de9db875..6298264efe3 100644 --- a/arch/powerpc/sysdev/dart_iommu.c +++ b/arch/powerpc/sysdev/dart_iommu.c @@ -59,7 +59,7 @@ static unsigned long dart_tablesize; static u32 *dart_vbase; /* Mapped base address for the dart */ -static unsigned int *__iomem dart; +static unsigned int __iomem *dart; /* Dummy val that entries are set to when unused */ static unsigned int dart_emptyval; diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S index 3e6ca7f5843..c1e89ad0684 100644 --- a/arch/ppc/kernel/head_8xx.S +++ b/arch/ppc/kernel/head_8xx.S @@ -810,13 +810,16 @@ initial_mmu: mtspr SPRN_MD_TWC, r9 li r11, MI_BOOTINIT /* Create RPN for address 0 */ addis r11, r11, 0x0080 /* Add 8M */ - mtspr SPRN_MD_RPN, r8 + mtspr SPRN_MD_RPN, r11 + + addi r10, r10, 0x0100 + mtspr SPRN_MD_CTR, r10 addis r8, r8, 0x0080 /* Add 8M */ mtspr SPRN_MD_EPN, r8 mtspr SPRN_MD_TWC, r9 addis r11, r11, 0x0080 /* Add 8M */ - mtspr SPRN_MD_RPN, r8 + mtspr SPRN_MD_RPN, r11 #endif /* Since the cache is enabled according to the information we diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c index 3a6e4bcb3c5..15bd9b448a4 100644 --- a/arch/ppc/kernel/ppc_ksyms.c +++ b/arch/ppc/kernel/ppc_ksyms.c @@ -186,11 +186,15 @@ EXPORT_SYMBOL(flush_tlb_kernel_range); EXPORT_SYMBOL(flush_tlb_page); EXPORT_SYMBOL(_tlbie); #ifdef CONFIG_ALTIVEC +#ifndef CONFIG_SMP EXPORT_SYMBOL(last_task_used_altivec); +#endif EXPORT_SYMBOL(giveup_altivec); #endif /* CONFIG_ALTIVEC */ #ifdef CONFIG_SPE +#ifndef CONFIG_SMP EXPORT_SYMBOL(last_task_used_spe); +#endif EXPORT_SYMBOL(giveup_spe); #endif /* CONFIG_SPE */ #ifdef CONFIG_SMP diff --git a/arch/ppc/platforms/4xx/bamboo.c b/arch/ppc/platforms/4xx/bamboo.c index 159b228eca1..0ec53f04933 100644 --- a/arch/ppc/platforms/4xx/bamboo.c +++ b/arch/ppc/platforms/4xx/bamboo.c @@ -332,8 +332,8 @@ bamboo_early_serial_map(void) port.irq = 0; port.uartclk = clocks.uart0; port.regshift = 0; - port.iotype = SERIAL_IO_MEM; - port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; + port.iotype = UPIO_MEM; + port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; port.line = 0; if (early_serial_setup(&port) != 0) { diff --git a/arch/ppc/platforms/4xx/bubinga.c b/arch/ppc/platforms/4xx/bubinga.c index 8110f55668c..ce48a4f08cb 100644 --- a/arch/ppc/platforms/4xx/bubinga.c +++ b/arch/ppc/platforms/4xx/bubinga.c @@ -97,8 +97,8 @@ bubinga_early_serial_map(void) port.irq = ACTING_UART0_INT; port.uartclk = uart_clock; port.regshift = 0; - port.iotype = SERIAL_IO_MEM; - port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; + port.iotype = UPIO_MEM; + port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; port.line = 0; if (early_serial_setup(&port) != 0) { diff --git a/arch/ppc/platforms/4xx/ebony.c b/arch/ppc/platforms/4xx/ebony.c index 64ebae19cdb..9a828b62341 100644 --- a/arch/ppc/platforms/4xx/ebony.c +++ b/arch/ppc/platforms/4xx/ebony.c @@ -225,8 +225,8 @@ ebony_early_serial_map(void) port.irq = 0; port.uartclk = clocks.uart0; port.regshift = 0; - port.iotype = SERIAL_IO_MEM; - port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; + port.iotype = UPIO_MEM; + port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; port.line = 0; if (early_serial_setup(&port) != 0) { diff --git a/arch/ppc/platforms/4xx/luan.c b/arch/ppc/platforms/4xx/luan.c index d810b736d9b..21d29132aeb 100644 --- a/arch/ppc/platforms/4xx/luan.c +++ b/arch/ppc/platforms/4xx/luan.c @@ -279,8 +279,8 @@ luan_early_serial_map(void) port.irq = UART0_INT; port.uartclk = clocks.uart0; port.regshift = 0; - port.iotype = SERIAL_IO_MEM; - port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; + port.iotype = UPIO_MEM; + port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; port.line = 0; if (early_serial_setup(&port) != 0) { diff --git a/arch/ppc/platforms/4xx/ocotea.c b/arch/ppc/platforms/4xx/ocotea.c index 73b2c98158f..4f355b6acab 100644 --- a/arch/ppc/platforms/4xx/ocotea.c +++ b/arch/ppc/platforms/4xx/ocotea.c @@ -248,8 +248,8 @@ ocotea_early_serial_map(void) port.irq = UART0_INT; port.uartclk = clocks.uart0; port.regshift = 0; - port.iotype = SERIAL_IO_MEM; - port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; + port.iotype = UPIO_MEM; + port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; port.line = 0; if (early_serial_setup(&port) != 0) { diff --git a/arch/ppc/platforms/4xx/xilinx_ml300.c b/arch/ppc/platforms/4xx/xilinx_ml300.c index 0b1b77d986b..e90d97f64f7 100644 --- a/arch/ppc/platforms/4xx/xilinx_ml300.c +++ b/arch/ppc/platforms/4xx/xilinx_ml300.c @@ -95,8 +95,8 @@ ml300_early_serial_map(void) port.irq = old_ports[i].irq; port.uartclk = old_ports[i].baud_base * 16; port.regshift = old_ports[i].iomem_reg_shift; - port.iotype = SERIAL_IO_MEM; - port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; + port.iotype = UPIO_MEM; + port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; port.line = i; if (early_serial_setup(&port) != 0) { diff --git a/arch/ppc/platforms/4xx/yucca.c b/arch/ppc/platforms/4xx/yucca.c index e60f4bd437e..b065b8babcd 100644 --- a/arch/ppc/platforms/4xx/yucca.c +++ b/arch/ppc/platforms/4xx/yucca.c @@ -305,8 +305,8 @@ yucca_early_serial_map(void) port.irq = UART0_INT; port.uartclk = clocks.uart0; port.regshift = 0; - port.iotype = SERIAL_IO_MEM; - port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; + port.iotype = UPIO_MEM; + port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; port.line = 0; if (early_serial_setup(&port) != 0) { diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.c b/arch/ppc/platforms/83xx/mpc834x_sys.c index 012e1e652c0..1a659bbc186 100644 --- a/arch/ppc/platforms/83xx/mpc834x_sys.c +++ b/arch/ppc/platforms/83xx/mpc834x_sys.c @@ -301,14 +301,14 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, struct uart_port p; memset(&p, 0, sizeof (p)); - p.iotype = SERIAL_IO_MEM; + p.iotype = UPIO_MEM; p.membase = (unsigned char __iomem *)(VIRT_IMMRBAR + 0x4500); p.uartclk = binfo->bi_busfreq; gen550_init(0, &p); memset(&p, 0, sizeof (p)); - p.iotype = SERIAL_IO_MEM; + p.iotype = UPIO_MEM; p.membase = (unsigned char __iomem *)(VIRT_IMMRBAR + 0x4600); p.uartclk = binfo->bi_busfreq; diff --git a/arch/ppc/platforms/85xx/mpc8540_ads.c b/arch/ppc/platforms/85xx/mpc8540_ads.c index 2eceb1e6f4e..408d64f18e1 100644 --- a/arch/ppc/platforms/85xx/mpc8540_ads.c +++ b/arch/ppc/platforms/85xx/mpc8540_ads.c @@ -162,14 +162,14 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, binfo->bi_immr_base, MPC85xx_CCSRBAR_SIZE, _PAGE_IO, 0); memset(&p, 0, sizeof (p)); - p.iotype = SERIAL_IO_MEM; + p.iotype = UPIO_MEM; p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART0_OFFSET; p.uartclk = binfo->bi_busfreq; gen550_init(0, &p); memset(&p, 0, sizeof (p)); - p.iotype = SERIAL_IO_MEM; + p.iotype = UPIO_MEM; p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART1_OFFSET; p.uartclk = binfo->bi_busfreq; diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c index b332ebae6bd..1801ab392e2 100644 --- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c +++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c @@ -534,14 +534,14 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, binfo->bi_immr_base, MPC85xx_CCSRBAR_SIZE, _PAGE_IO, 0); memset(&p, 0, sizeof (p)); - p.iotype = SERIAL_IO_MEM; + p.iotype = UPIO_MEM; p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART0_OFFSET; p.uartclk = binfo->bi_busfreq; gen550_init(0, &p); memset(&p, 0, sizeof (p)); - p.iotype = SERIAL_IO_MEM; + p.iotype = UPIO_MEM; p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART1_OFFSET; p.uartclk = binfo->bi_busfreq; diff --git a/arch/ppc/platforms/85xx/sbc8560.c b/arch/ppc/platforms/85xx/sbc8560.c index e777ba824aa..8a72221f816 100644 --- a/arch/ppc/platforms/85xx/sbc8560.c +++ b/arch/ppc/platforms/85xx/sbc8560.c @@ -64,7 +64,7 @@ sbc8560_early_serial_map(void) uart_req.irq = MPC85xx_IRQ_EXT9; uart_req.flags = STD_COM_FLAGS; uart_req.uartclk = BASE_BAUD * 16; - uart_req.iotype = SERIAL_IO_MEM; + uart_req.iotype = UPIO_MEM; uart_req.mapbase = UARTA_ADDR; uart_req.membase = ioremap(uart_req.mapbase, MPC85xx_UART0_SIZE); uart_req.type = PORT_16650; diff --git a/arch/ppc/platforms/85xx/tqm85xx.c b/arch/ppc/platforms/85xx/tqm85xx.c index b436f4d0a3f..a5e38ba6273 100644 --- a/arch/ppc/platforms/85xx/tqm85xx.c +++ b/arch/ppc/platforms/85xx/tqm85xx.c @@ -346,14 +346,14 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, binfo->bi_immr_base, MPC85xx_CCSRBAR_SIZE, _PAGE_IO, 0); memset(&p, 0, sizeof (p)); - p.iotype = SERIAL_IO_MEM; + p.iotype = UPIO_MEM; p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART0_OFFSET; p.uartclk = binfo->bi_busfreq; gen550_init(0, &p); memset(&p, 0, sizeof (p)); - p.iotype = SERIAL_IO_MEM; + p.iotype = UPIO_MEM; p.membase = (void *) binfo->bi_immr_base + MPC85xx_UART1_OFFSET; p.uartclk = binfo->bi_busfreq; diff --git a/arch/ppc/platforms/chestnut.c b/arch/ppc/platforms/chestnut.c index 48a4a510d59..aefcc0e7be5 100644 --- a/arch/ppc/platforms/chestnut.c +++ b/arch/ppc/platforms/chestnut.c @@ -116,7 +116,7 @@ chestnut_early_serial_map(void) port.uartclk = BASE_BAUD * 16; port.irq = UART0_INT; port.flags = STD_COM_FLAGS | UPF_IOREMAP; - port.iotype = SERIAL_IO_MEM; + port.iotype = UPIO_MEM; port.mapbase = CHESTNUT_UART0_IO_BASE; port.regshift = 0; diff --git a/arch/ppc/platforms/ev64260.c b/arch/ppc/platforms/ev64260.c index 32358b3fb23..ffde8f6f630 100644 --- a/arch/ppc/platforms/ev64260.c +++ b/arch/ppc/platforms/ev64260.c @@ -330,7 +330,7 @@ ev64260_early_serial_map(void) port.irq = EV64260_UART_0_IRQ; port.uartclk = BASE_BAUD * 16; port.regshift = 2; - port.iotype = SERIAL_IO_MEM; + port.iotype = UPIO_MEM; port.flags = STD_COM_FLAGS; #if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) diff --git a/arch/ppc/platforms/radstone_ppc7d.c b/arch/ppc/platforms/radstone_ppc7d.c index 708b8739ecd..872c0a3ba3c 100644 --- a/arch/ppc/platforms/radstone_ppc7d.c +++ b/arch/ppc/platforms/radstone_ppc7d.c @@ -100,7 +100,7 @@ static void __init ppc7d_early_serial_map(void) serial_req.uartclk = UART_CLK; serial_req.irq = 4; serial_req.flags = STD_COM_FLAGS; - serial_req.iotype = SERIAL_IO_MEM; + serial_req.iotype = UPIO_MEM; serial_req.membase = (u_char *) PPC7D_SERIAL_0; gen550_init(0, &serial_req); diff --git a/arch/ppc/platforms/spruce.c b/arch/ppc/platforms/spruce.c index 5ad70d357cb..69e1de7971f 100644 --- a/arch/ppc/platforms/spruce.c +++ b/arch/ppc/platforms/spruce.c @@ -176,8 +176,8 @@ spruce_early_serial_map(void) memset(&serial_req, 0, sizeof(serial_req)); serial_req.uartclk = uart_clk; serial_req.irq = UART0_INT; - serial_req.flags = ASYNC_BOOT_AUTOCONF; - serial_req.iotype = SERIAL_IO_MEM; + serial_req.flags = UPF_BOOT_AUTOCONF; + serial_req.iotype = UPIO_MEM; serial_req.membase = (u_char *)UART0_IO_BASE; serial_req.regshift = 0; diff --git a/arch/ppc/syslib/ocp.c b/arch/ppc/syslib/ocp.c index ab34b1d6072..2fe28ded2c6 100644 --- a/arch/ppc/syslib/ocp.c +++ b/arch/ppc/syslib/ocp.c @@ -189,8 +189,8 @@ ocp_device_resume(struct device *dev) struct bus_type ocp_bus_type = { .name = "ocp", .match = ocp_device_match, - .probe = ocp_driver_probe, - .remove = ocp_driver_remove, + .probe = ocp_device_probe, + .remove = ocp_device_remove, .suspend = ocp_device_suspend, .resume = ocp_device_resume, }; diff --git a/arch/ppc/syslib/ppc83xx_setup.c b/arch/ppc/syslib/ppc83xx_setup.c index 1b5fe9e398d..7bada82527a 100644 --- a/arch/ppc/syslib/ppc83xx_setup.c +++ b/arch/ppc/syslib/ppc83xx_setup.c @@ -108,7 +108,7 @@ mpc83xx_early_serial_map(void) #if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) memset(&serial_req, 0, sizeof (serial_req)); - serial_req.iotype = SERIAL_IO_MEM; + serial_req.iotype = UPIO_MEM; serial_req.mapbase = pdata[0].mapbase; serial_req.membase = pdata[0].membase; serial_req.regshift = 0; diff --git a/arch/ppc/syslib/ppc85xx_setup.c b/arch/ppc/syslib/ppc85xx_setup.c index 1a47ff4b831..e4dda43fdaa 100644 --- a/arch/ppc/syslib/ppc85xx_setup.c +++ b/arch/ppc/syslib/ppc85xx_setup.c @@ -90,7 +90,7 @@ mpc85xx_early_serial_map(void) #if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) memset(&serial_req, 0, sizeof (serial_req)); - serial_req.iotype = SERIAL_IO_MEM; + serial_req.iotype = UPIO_MEM; serial_req.mapbase = pdata[0].mapbase; serial_req.membase = pdata[0].membase; serial_req.regshift = 0; diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index bf9a7a361b3..cc20f0e3a7d 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -100,12 +100,12 @@ #define SET_STAT_UID(stat, uid) (stat).st_uid = high2lowuid(uid) #define SET_STAT_GID(stat, gid) (stat).st_gid = high2lowgid(gid) -asmlinkage long sys32_chown16(const char * filename, u16 user, u16 group) +asmlinkage long sys32_chown16(const char __user * filename, u16 user, u16 group) { return sys_chown(filename, low2highuid(user), low2highgid(group)); } -asmlinkage long sys32_lchown16(const char * filename, u16 user, u16 group) +asmlinkage long sys32_lchown16(const char __user * filename, u16 user, u16 group) { return sys_lchown(filename, low2highuid(user), low2highgid(group)); } @@ -141,7 +141,7 @@ asmlinkage long sys32_setresuid16(u16 ruid, u16 euid, u16 suid) low2highuid(suid)); } -asmlinkage long sys32_getresuid16(u16 *ruid, u16 *euid, u16 *suid) +asmlinkage long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid) { int retval; @@ -158,7 +158,7 @@ asmlinkage long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid) low2highgid(sgid)); } -asmlinkage long sys32_getresgid16(u16 *rgid, u16 *egid, u16 *sgid) +asmlinkage long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid) { int retval; @@ -179,7 +179,7 @@ asmlinkage long sys32_setfsgid16(u16 gid) return sys_setfsgid((gid_t)gid); } -static int groups16_to_user(u16 *grouplist, struct group_info *group_info) +static int groups16_to_user(u16 __user *grouplist, struct group_info *group_info) { int i; u16 group; @@ -193,7 +193,7 @@ static int groups16_to_user(u16 *grouplist, struct group_info *group_info) return 0; } -static int groups16_from_user(struct group_info *group_info, u16 *grouplist) +static int groups16_from_user(struct group_info *group_info, u16 __user *grouplist) { int i; u16 group; @@ -207,7 +207,7 @@ static int groups16_from_user(struct group_info *group_info, u16 *grouplist) return 0; } -asmlinkage long sys32_getgroups16(int gidsetsize, u16 *grouplist) +asmlinkage long sys32_getgroups16(int gidsetsize, u16 __user *grouplist) { int i; @@ -231,7 +231,7 @@ out: return i; } -asmlinkage long sys32_setgroups16(int gidsetsize, u16 *grouplist) +asmlinkage long sys32_setgroups16(int gidsetsize, u16 __user *grouplist) { struct group_info *group_info; int retval; @@ -278,14 +278,14 @@ asmlinkage long sys32_getegid16(void) /* 32-bit timeval and related flotsam. */ -static inline long get_tv32(struct timeval *o, struct compat_timeval *i) +static inline long get_tv32(struct timeval *o, struct compat_timeval __user *i) { return (!access_ok(VERIFY_READ, o, sizeof(*o)) || (__get_user(o->tv_sec, &i->tv_sec) || __get_user(o->tv_usec, &i->tv_usec))); } -static inline long put_tv32(struct compat_timeval *o, struct timeval *i) +static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i) { return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) || (__put_user(i->tv_sec, &o->tv_sec) || @@ -341,7 +341,7 @@ asmlinkage long sys32_ipc(u32 call, int first, int second, int third, u32 ptr) return -ENOSYS; } -asmlinkage long sys32_truncate64(const char * path, unsigned long high, unsigned long low) +asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low) { if ((int)high < 0) return -EINVAL; @@ -357,7 +357,7 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned return sys_ftruncate(fd, (high << 32) | low); } -int cp_compat_stat(struct kstat *stat, struct compat_stat *statbuf) +int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf) { int err; @@ -591,7 +591,7 @@ sys32_delete_module(const char __user *name_user, unsigned int flags) extern struct timezone sys_tz; -asmlinkage long sys32_gettimeofday(struct compat_timeval *tv, struct timezone *tz) +asmlinkage long sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) { if (tv) { struct timeval ktv; @@ -606,7 +606,7 @@ asmlinkage long sys32_gettimeofday(struct compat_timeval *tv, struct timezone *t return 0; } -static inline long get_ts32(struct timespec *o, struct compat_timeval *i) +static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i) { long usec; @@ -620,7 +620,7 @@ static inline long get_ts32(struct timespec *o, struct compat_timeval *i) return 0; } -asmlinkage long sys32_settimeofday(struct compat_timeval *tv, struct timezone *tz) +asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) { struct timespec kts; struct timezone ktz; @@ -645,7 +645,7 @@ asmlinkage long sys32_pause(void) return -ERESTARTNOHAND; } -asmlinkage long sys32_pread64(unsigned int fd, char *ubuf, +asmlinkage long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count, u32 poshi, u32 poslo) { if ((compat_ssize_t) count < 0) @@ -653,7 +653,7 @@ asmlinkage long sys32_pread64(unsigned int fd, char *ubuf, return sys_pread64(fd, ubuf, count, ((loff_t)AA(poshi) << 32) | AA(poslo)); } -asmlinkage long sys32_pwrite64(unsigned int fd, const char *ubuf, +asmlinkage long sys32_pwrite64(unsigned int fd, const char __user *ubuf, size_t count, u32 poshi, u32 poslo) { if ((compat_ssize_t) count < 0) @@ -666,7 +666,7 @@ asmlinkage compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 coun return sys_readahead(fd, ((loff_t)AA(offhi) << 32) | AA(offlo), count); } -asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t *offset, size_t count) +asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, size_t count) { mm_segment_t old_fs = get_fs(); int ret; @@ -686,7 +686,7 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t *offset, size } asmlinkage long sys32_sendfile64(int out_fd, int in_fd, - compat_loff_t *offset, s32 count) + compat_loff_t __user *offset, s32 count) { mm_segment_t old_fs = get_fs(); int ret; @@ -722,7 +722,7 @@ struct timex32 { extern int do_adjtimex(struct timex *); -asmlinkage long sys32_adjtimex(struct timex32 *utp) +asmlinkage long sys32_adjtimex(struct timex32 __user *utp) { struct timex txc; int ret; @@ -789,12 +789,13 @@ struct __sysctl_args32 { u32 __unused[4]; }; -asmlinkage long sys32_sysctl(struct __sysctl_args32 *args) +asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args) { struct __sysctl_args32 tmp; int error; - size_t oldlen, *oldlenp = NULL; - unsigned long addr = (((long)&args->__unused[0]) + 7) & ~7; + size_t oldlen; + size_t __user *oldlenp = NULL; + unsigned long addr = (((unsigned long)&args->__unused[0]) + 7) & ~7; if (copy_from_user(&tmp, args, sizeof(tmp))) return -EFAULT; @@ -806,20 +807,20 @@ asmlinkage long sys32_sysctl(struct __sysctl_args32 *args) basically copy the whole sysctl.c here, and glibc's __sysctl uses rw memory for the structure anyway. */ - if (get_user(oldlen, (u32 *)A(tmp.oldlenp)) || - put_user(oldlen, (size_t *)addr)) + if (get_user(oldlen, (u32 __user *)compat_ptr(tmp.oldlenp)) || + put_user(oldlen, (size_t __user *)addr)) return -EFAULT; - oldlenp = (size_t *)addr; + oldlenp = (size_t __user *)addr; } lock_kernel(); - error = do_sysctl((int *)A(tmp.name), tmp.nlen, (void *)A(tmp.oldval), - oldlenp, (void *)A(tmp.newval), tmp.newlen); + error = do_sysctl(compat_ptr(tmp.name), tmp.nlen, compat_ptr(tmp.oldval), + oldlenp, compat_ptr(tmp.newval), tmp.newlen); unlock_kernel(); if (oldlenp) { if (!error) { - if (get_user(oldlen, (size_t *)addr) || - put_user(oldlen, (u32 *)A(tmp.oldlenp))) + if (get_user(oldlen, (size_t __user *)addr) || + put_user(oldlen, (u32 __user *)compat_ptr(tmp.oldlenp))) error = -EFAULT; } copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused)); @@ -853,7 +854,7 @@ struct stat64_emu31 { unsigned long st_ino; }; -static int cp_stat64(struct stat64_emu31 *ubuf, struct kstat *stat) +static int cp_stat64(struct stat64_emu31 __user *ubuf, struct kstat *stat) { struct stat64_emu31 tmp; @@ -877,7 +878,7 @@ static int cp_stat64(struct stat64_emu31 *ubuf, struct kstat *stat) return copy_to_user(ubuf,&tmp,sizeof(tmp)) ? -EFAULT : 0; } -asmlinkage long sys32_stat64(char * filename, struct stat64_emu31 * statbuf) +asmlinkage long sys32_stat64(char __user * filename, struct stat64_emu31 __user * statbuf) { struct kstat stat; int ret = vfs_stat(filename, &stat); @@ -886,7 +887,7 @@ asmlinkage long sys32_stat64(char * filename, struct stat64_emu31 * statbuf) return ret; } -asmlinkage long sys32_lstat64(char * filename, struct stat64_emu31 * statbuf) +asmlinkage long sys32_lstat64(char __user * filename, struct stat64_emu31 __user * statbuf) { struct kstat stat; int ret = vfs_lstat(filename, &stat); @@ -895,7 +896,7 @@ asmlinkage long sys32_lstat64(char * filename, struct stat64_emu31 * statbuf) return ret; } -asmlinkage long sys32_fstat64(unsigned long fd, struct stat64_emu31 * statbuf) +asmlinkage long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * statbuf) { struct kstat stat; int ret = vfs_fstat(fd, &stat); @@ -952,7 +953,7 @@ out: asmlinkage unsigned long -old32_mmap(struct mmap_arg_struct_emu31 *arg) +old32_mmap(struct mmap_arg_struct_emu31 __user *arg) { struct mmap_arg_struct_emu31 a; int error = -EFAULT; @@ -970,7 +971,7 @@ out: } asmlinkage long -sys32_mmap2(struct mmap_arg_struct_emu31 *arg) +sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg) { struct mmap_arg_struct_emu31 a; int error = -EFAULT; @@ -982,7 +983,7 @@ out: return error; } -asmlinkage long sys32_read(unsigned int fd, char * buf, size_t count) +asmlinkage long sys32_read(unsigned int fd, char __user * buf, size_t count) { if ((compat_ssize_t) count < 0) return -EINVAL; @@ -990,7 +991,7 @@ asmlinkage long sys32_read(unsigned int fd, char * buf, size_t count) return sys_read(fd, buf, count); } -asmlinkage long sys32_write(unsigned int fd, char * buf, size_t count) +asmlinkage long sys32_write(unsigned int fd, char __user * buf, size_t count) { if ((compat_ssize_t) count < 0) return -EINVAL; @@ -1002,12 +1003,12 @@ asmlinkage long sys32_clone(struct pt_regs regs) { unsigned long clone_flags; unsigned long newsp; - int *parent_tidptr, *child_tidptr; + int __user *parent_tidptr, *child_tidptr; clone_flags = regs.gprs[3] & 0xffffffffUL; newsp = regs.orig_gpr2 & 0x7fffffffUL; - parent_tidptr = (int *) (regs.gprs[4] & 0x7fffffffUL); - child_tidptr = (int *) (regs.gprs[5] & 0x7fffffffUL); + parent_tidptr = compat_ptr(regs.gprs[4]); + child_tidptr = compat_ptr(regs.gprs[5]); if (!newsp) newsp = regs.gprs[15]; return do_fork(clone_flags, newsp, ®s, 0, diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c index 6a63553493c..e351780bb66 100644 --- a/arch/s390/kernel/sys_s390.c +++ b/arch/s390/kernel/sys_s390.c @@ -122,8 +122,8 @@ out: #ifndef CONFIG_64BIT struct sel_arg_struct { unsigned long n; - fd_set *inp, *outp, *exp; - struct timeval *tvp; + fd_set __user *inp, *outp, *exp; + struct timeval __user *tvp; }; asmlinkage long old_select(struct sel_arg_struct __user *arg) diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 5d21e9e6e7b..a46793beedd 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -486,7 +486,7 @@ asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code) info.si_signo = signal; info.si_errno = 0; info.si_code = ILL_ILLOPC; - info.si_addr = (void *) location; + info.si_addr = (void __user *) location; do_trap(interruption_code, signal, "illegal operation", regs, &info); } diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c index 2d5cb138575..b075ab499d0 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -42,8 +42,8 @@ static volatile long cmm_timed_pages_target = 0; static long cmm_timeout_pages = 0; static long cmm_timeout_seconds = 0; -static struct cmm_page_array *cmm_page_list = 0; -static struct cmm_page_array *cmm_timed_page_list = 0; +static struct cmm_page_array *cmm_page_list = NULL; +static struct cmm_page_array *cmm_timed_page_list = NULL; static unsigned long cmm_thread_active = 0; static struct work_struct cmm_thread_starter; @@ -259,7 +259,7 @@ static struct ctl_table cmm_table[]; static int cmm_pages_handler(ctl_table *ctl, int write, struct file *filp, - void *buffer, size_t *lenp, loff_t *ppos) + void __user *buffer, size_t *lenp, loff_t *ppos) { char buf[16], *p; long pages; @@ -300,7 +300,7 @@ cmm_pages_handler(ctl_table *ctl, int write, struct file *filp, static int cmm_timeout_handler(ctl_table *ctl, int write, struct file *filp, - void *buffer, size_t *lenp, loff_t *ppos) + void __user *buffer, size_t *lenp, loff_t *ppos) { char buf[64], *p; long pages, seconds; @@ -419,7 +419,7 @@ cmm_init (void) #ifdef CONFIG_CMM_IUCV smsg_register_callback(SMSG_PREFIX, cmm_smsg_target); #endif - INIT_WORK(&cmm_thread_starter, (void *) cmm_start_thread, 0); + INIT_WORK(&cmm_thread_starter, (void *) cmm_start_thread, NULL); init_waitqueue_head(&cmm_thread_wait); init_timer(&cmm_timer); return 0; diff --git a/arch/sh/boards/renesas/rts7751r2d/io.c b/arch/sh/boards/renesas/rts7751r2d/io.c index c46f9154cfd..123abbbc91e 100644 --- a/arch/sh/boards/renesas/rts7751r2d/io.c +++ b/arch/sh/boards/renesas/rts7751r2d/io.c @@ -216,24 +216,26 @@ void rts7751r2d_insb(unsigned long port, void *addr, unsigned long count) { volatile __u8 *bp; volatile __u16 *p; + unsigned char *s = addr; if (CHECK_AX88796L_PORT(port)) { p = (volatile unsigned short *)port88796l(port, 0); - while (count--) *((unsigned char *) addr)++ = *p & 0xff; + while (count--) *s++ = *p & 0xff; } else if (PXSEG(port)) - while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)port; + while (count--) *s++ = *(volatile unsigned char *)port; else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { bp = (__u8 *)PCI_IOMAP(port); - while (count--) *((volatile unsigned char *) addr)++ = *bp; + while (count--) *s++ = *bp; } else { p = (volatile unsigned short *)port2adr(port); - while (count--) *((unsigned char *) addr)++ = *p & 0xff; + while (count--) *s++ = *p & 0xff; } } void rts7751r2d_insw(unsigned long port, void *addr, unsigned long count) { volatile __u16 *p; + __u16 *s = addr; if (CHECK_AX88796L_PORT(port)) p = (volatile unsigned short *)port88796l(port, 1); @@ -243,7 +245,7 @@ void rts7751r2d_insw(unsigned long port, void *addr, unsigned long count) p = (volatile unsigned short *)PCI_IOMAP(port); else p = (volatile unsigned short *)port2adr(port); - while (count--) *((__u16 *) addr)++ = *p; + while (count--) *s++ = *p; } void rts7751r2d_insl(unsigned long port, void *addr, unsigned long count) @@ -252,8 +254,9 @@ void rts7751r2d_insl(unsigned long port, void *addr, unsigned long count) maybebadio(insl, port); else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { volatile __u32 *p = (__u32 *)PCI_IOMAP(port); + __u32 *s = addr; - while (count--) *((__u32 *) addr)++ = *p; + while (count--) *s++ = *p; } else maybebadio(insl, port); } @@ -262,24 +265,26 @@ void rts7751r2d_outsb(unsigned long port, const void *addr, unsigned long count) { volatile __u8 *bp; volatile __u16 *p; + const __u8 *s = addr; if (CHECK_AX88796L_PORT(port)) { p = (volatile unsigned short *)port88796l(port, 0); - while (count--) *p = *((unsigned char *) addr)++; + while (count--) *p = *s++; } else if (PXSEG(port)) - while (count--) *(volatile unsigned char *)port = *((unsigned char *) addr)++; + while (count--) *(volatile unsigned char *)port = *s++; else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { bp = (__u8 *)PCI_IOMAP(port); - while (count--) *bp = *((volatile unsigned char *) addr)++; + while (count--) *bp = *s++; } else { p = (volatile unsigned short *)port2adr(port); - while (count--) *p = *((unsigned char *) addr)++; + while (count--) *p = *s++; } } void rts7751r2d_outsw(unsigned long port, const void *addr, unsigned long count) { volatile __u16 *p; + const __u16 *s = addr; if (CHECK_AX88796L_PORT(port)) p = (volatile unsigned short *)port88796l(port, 1); @@ -289,7 +294,7 @@ void rts7751r2d_outsw(unsigned long port, const void *addr, unsigned long count) p = (volatile unsigned short *)PCI_IOMAP(port); else p = (volatile unsigned short *)port2adr(port); - while (count--) *p = *((__u16 *) addr)++; + while (count--) *p = *s++; } void rts7751r2d_outsl(unsigned long port, const void *addr, unsigned long count) @@ -298,8 +303,9 @@ void rts7751r2d_outsl(unsigned long port, const void *addr, unsigned long count) maybebadio(outsl, port); else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { volatile __u32 *p = (__u32 *)PCI_IOMAP(port); + const __u32 *s = addr; - while (count--) *p = *((__u32 *) addr)++; + while (count--) *p = *s++; } else maybebadio(outsl, port); } diff --git a/arch/sh64/kernel/sh_ksyms.c b/arch/sh64/kernel/sh_ksyms.c index 472b450e61b..de29c45f23a 100644 --- a/arch/sh64/kernel/sh_ksyms.c +++ b/arch/sh64/kernel/sh_ksyms.c @@ -31,14 +31,6 @@ extern int dump_fpu(struct pt_regs *, elf_fpregset_t *); -#if 0 -/* Not yet - there's no declaration of drive_info anywhere. */ -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) || defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE) -extern struct drive_info_struct drive_info; -EXPORT_SYMBOL(drive_info); -#endif -#endif - /* platform dependent support */ EXPORT_SYMBOL(dump_fpu); EXPORT_SYMBOL(iounmap); diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index 267ec8f6fb5..887f6a160c5 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -38,7 +38,7 @@ #define curptr g6 -#define NR_SYSCALLS 299 /* Each OS is different... */ +#define NR_SYSCALLS 300 /* Each OS is different... */ /* These are just handy. */ #define _SV save %sp, -STACKFRAME_SZ, %sp diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c index fbb05a452e5..118cac84a0f 100644 --- a/arch/sparc/kernel/process.c +++ b/arch/sparc/kernel/process.c @@ -54,7 +54,7 @@ void (*pm_idle)(void); * This is done via auxio, but could be used as a fallback * handler when auxio is not present-- unused for now... */ -void (*pm_power_off)(void); +void (*pm_power_off)(void) = machine_power_off; /* * sysctl - toggle power-off restriction for serial console diff --git a/arch/sparc/kernel/systbls.S b/arch/sparc/kernel/systbls.S index 6877ae4cd1d..c0314705d73 100644 --- a/arch/sparc/kernel/systbls.S +++ b/arch/sparc/kernel/systbls.S @@ -78,7 +78,7 @@ sys_call_table: /*280*/ .long sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl, sys_openat /*285*/ .long sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_newfstatat /*290*/ .long sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat -/*295*/ .long sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll +/*295*/ .long sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare #ifdef CONFIG_SUNOS_EMUL /* Now the SunOS syscall table. */ @@ -190,5 +190,6 @@ sunos_sys_table: /*290*/ .long sunos_nosys, sunos_nosys, sunos_nosys .long sunos_nosys, sunos_nosys, sunos_nosys .long sunos_nosys, sunos_nosys, sunos_nosys + .long sunos_nosys #endif diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig index bc56a7d8830..069d49777b2 100644 --- a/arch/sparc64/defconfig +++ b/arch/sparc64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.16-rc2 -# Sat Feb 4 02:31:38 2006 +# Tue Feb 7 17:47:18 2006 # CONFIG_SPARC=y CONFIG_SPARC64=y @@ -30,7 +30,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" -CONFIG_LOCALVERSION_AUTO=y +# CONFIG_LOCALVERSION_AUTO is not set CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y @@ -766,6 +766,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ASB100 is not set # CONFIG_SENSORS_ATXP1 is not set # CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_FSCHER is not set # CONFIG_SENSORS_FSCPOS is not set # CONFIG_SENSORS_GL518SM is not set diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index 12911e7463f..a73553ae7e5 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -25,7 +25,7 @@ #define curptr g6 -#define NR_SYSCALLS 299 /* Each OS is different... */ +#define NR_SYSCALLS 300 /* Each OS is different... */ .text .align 32 diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S index 2881faf3663..5928b3c33e2 100644 --- a/arch/sparc64/kernel/systbls.S +++ b/arch/sparc64/kernel/systbls.S @@ -79,7 +79,7 @@ sys_call_table32: /*280*/ .word sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat .word sys_mkdirat, sys_mknodat, sys_fchownat, compat_sys_futimesat, compat_sys_newfstatat /*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat - .word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll + .word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll, sys_unshare #endif /* CONFIG_COMPAT */ @@ -148,7 +148,7 @@ sys_call_table: /*280*/ .word sys_nis_syscall, sys_add_key, sys_request_key, sys_keyctl, sys_openat .word sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, compat_sys_newfstatat /*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat - .word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll + .word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare #if defined(CONFIG_SUNOS_EMUL) || defined(CONFIG_SOLARIS_EMUL) || \ defined(CONFIG_SOLARIS_EMUL_MODULE) @@ -261,4 +261,5 @@ sunos_sys_table: /*290*/ .word sunos_nosys, sunos_nosys, sunos_nosys .word sunos_nosys, sunos_nosys, sunos_nosys .word sunos_nosys, sunos_nosys, sunos_nosys + .word sunos_nosys #endif diff --git a/arch/sparc64/solaris/systbl.S b/arch/sparc64/solaris/systbl.S index d25667eeae1..7043ca18caf 100644 --- a/arch/sparc64/solaris/systbl.S +++ b/arch/sparc64/solaris/systbl.S @@ -283,32 +283,3 @@ solaris_sys_table: .word solaris_unimplemented /* 253 */ .word solaris_unimplemented /* 254 */ .word solaris_unimplemented /* 255 */ - .word solaris_unimplemented /* 256 */ - .word solaris_unimplemented /* 257 */ - .word solaris_unimplemented /* 258 */ - .word solaris_unimplemented /* 259 */ - .word solaris_unimplemented /* 260 */ - .word solaris_unimplemented /* 261 */ - .word solaris_unimplemented /* 262 */ - .word solaris_unimplemented /* 263 */ - .word solaris_unimplemented /* 264 */ - .word solaris_unimplemented /* 265 */ - .word solaris_unimplemented /* 266 */ - .word solaris_unimplemented /* 267 */ - .word solaris_unimplemented /* 268 */ - .word solaris_unimplemented /* 269 */ - .word solaris_unimplemented /* 270 */ - .word solaris_unimplemented /* 271 */ - .word solaris_unimplemented /* 272 */ - .word solaris_unimplemented /* 273 */ - .word solaris_unimplemented /* 274 */ - .word solaris_unimplemented /* 275 */ - .word solaris_unimplemented /* 276 */ - .word solaris_unimplemented /* 277 */ - .word solaris_unimplemented /* 278 */ - .word solaris_unimplemented /* 279 */ - .word solaris_unimplemented /* 280 */ - .word solaris_unimplemented /* 281 */ - .word solaris_unimplemented /* 282 */ - .word solaris_unimplemented /* 283 */ - diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c index 5d50d4a44ab..2f880cb167a 100644 --- a/arch/um/drivers/chan_user.c +++ b/arch/um/drivers/chan_user.c @@ -9,6 +9,7 @@ #include <termios.h> #include <string.h> #include <signal.h> +#include <sched.h> #include <sys/stat.h> #include <sys/ioctl.h> #include <sys/socket.h> @@ -73,7 +74,6 @@ static void winch_handler(int sig) struct winch_data { int pty_fd; int pipe_fd; - int close_me; }; static int winch_thread(void *arg) @@ -84,7 +84,6 @@ static int winch_thread(void *arg) int count, err; char c = 1; - os_close_file(data->close_me); pty_fd = data->pty_fd; pipe_fd = data->pipe_fd; count = os_write_file(pipe_fd, &c, sizeof(c)); @@ -153,15 +152,16 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out) } data = ((struct winch_data) { .pty_fd = fd, - .pipe_fd = fds[1], - .close_me = fds[0] } ); - err = run_helper_thread(winch_thread, &data, 0, &stack, 0); + .pipe_fd = fds[1] } ); + /* CLONE_FILES so this thread doesn't hold open files which are open + * now, but later closed. This is a problem with /dev/net/tun. + */ + err = run_helper_thread(winch_thread, &data, CLONE_FILES, &stack, 0); if(err < 0){ printk("fork of winch_thread failed - errno = %d\n", errno); goto out_close; } - os_close_file(fds[1]); *fd_out = fds[0]; n = os_read_file(fds[0], &c, sizeof(c)); if(n != sizeof(c)){ @@ -169,13 +169,12 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out) printk("read failed, err = %d\n", -n); printk("fd %d will not support SIGWINCH\n", fd); err = -EINVAL; - goto out_close1; + goto out_close; } return err ; out_close: os_close_file(fds[1]); - out_close1: os_close_file(fds[0]); out: return err; diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index 8ebb2241ad4..8c7279bb353 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -131,9 +131,8 @@ static int uml_net_open(struct net_device *dev) SA_INTERRUPT | SA_SHIRQ, dev->name, dev); if(err != 0){ printk(KERN_ERR "uml_net_open: failed to get irq(%d)\n", err); - if(lp->close != NULL) (*lp->close)(lp->fd, &lp->user); - lp->fd = -1; err = -ENETUNREACH; + goto out_close; } lp->tl.data = (unsigned long) &lp->user; @@ -145,9 +144,19 @@ static int uml_net_open(struct net_device *dev) */ while((err = uml_net_rx(dev)) > 0) ; - out: spin_unlock(&lp->lock); - return(err); + + spin_lock(&opened_lock); + list_add(&lp->list, &opened); + spin_unlock(&opened_lock); + + return 0; +out_close: + if(lp->close != NULL) (*lp->close)(lp->fd, &lp->user); + lp->fd = -1; +out: + spin_unlock(&lp->lock); + return err; } static int uml_net_close(struct net_device *dev) @@ -161,9 +170,13 @@ static int uml_net_close(struct net_device *dev) if(lp->close != NULL) (*lp->close)(lp->fd, &lp->user); lp->fd = -1; - list_del(&lp->list); spin_unlock(&lp->lock); + + spin_lock(&opened_lock); + list_del(&lp->list); + spin_unlock(&opened_lock); + return 0; } @@ -410,11 +423,7 @@ static int eth_configure(int n, void *init, char *mac, if (device->have_mac) set_ether_mac(dev, device->mac); - spin_lock(&opened_lock); - list_add(&lp->list, &opened); - spin_unlock(&opened_lock); - - return(0); + return 0; } static struct uml_net *find_device(int n) diff --git a/arch/um/include/registers.h b/arch/um/include/registers.h index 4892e5fcef0..83b688ca198 100644 --- a/arch/um/include/registers.h +++ b/arch/um/include/registers.h @@ -14,7 +14,7 @@ extern int restore_fp_registers(int pid, unsigned long *fp_regs); extern void save_registers(int pid, union uml_pt_regs *regs); extern void restore_registers(int pid, union uml_pt_regs *regs); extern void init_registers(int pid); -extern void get_safe_registers(unsigned long * regs); +extern void get_safe_registers(unsigned long * regs, unsigned long * fp_regs); extern void get_thread_regs(union uml_pt_regs *uml_regs, void *buffer); #endif diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c deleted file mode 100644 index eea1c9c4bb0..00000000000 --- a/arch/um/kernel/skas/process.c +++ /dev/null @@ -1,569 +0,0 @@ -/* - * Copyright (C) 2002- 2004 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include <signal.h> -#include <setjmp.h> -#include <sched.h> -#include <sys/wait.h> -#include <sys/mman.h> -#include <sys/user.h> -#include <sys/time.h> -#include <asm/unistd.h> -#include <asm/types.h> -#include "user.h" -#include "ptrace_user.h" -#include "sysdep/ptrace.h" -#include "user_util.h" -#include "kern_util.h" -#include "skas.h" -#include "stub-data.h" -#include "mm_id.h" -#include "sysdep/sigcontext.h" -#include "sysdep/stub.h" -#include "os.h" -#include "proc_mm.h" -#include "skas_ptrace.h" -#include "chan_user.h" -#include "registers.h" -#include "mem.h" -#include "uml-config.h" -#include "process.h" - -int is_skas_winch(int pid, int fd, void *data) -{ - if(pid != os_getpgrp()) - return(0); - - register_winch_irq(-1, fd, -1, data); - return(1); -} - -void wait_stub_done(int pid, int sig, char * fname) -{ - int n, status, err; - - do { - if ( sig != -1 ) { - err = ptrace(PTRACE_CONT, pid, 0, sig); - if(err) - panic("%s : continue failed, errno = %d\n", - fname, errno); - } - sig = 0; - - CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED)); - } while((n >= 0) && WIFSTOPPED(status) && - ((WSTOPSIG(status) == SIGVTALRM) || - /* running UML inside a detached screen can cause - * SIGWINCHes - */ - (WSTOPSIG(status) == SIGWINCH))); - - if((n < 0) || !WIFSTOPPED(status) || - (WSTOPSIG(status) != SIGUSR1 && WSTOPSIG(status) != SIGTRAP)){ - unsigned long regs[HOST_FRAME_SIZE]; - if(ptrace(PTRACE_GETREGS, pid, 0, regs) < 0) - printk("Failed to get registers from stub, " - "errno = %d\n", errno); - else { - int i; - - printk("Stub registers -\n"); - for(i = 0; i < HOST_FRAME_SIZE; i++) - printk("\t%d - %lx\n", i, regs[i]); - } - panic("%s : failed to wait for SIGUSR1/SIGTRAP, " - "pid = %d, n = %d, errno = %d, status = 0x%x\n", - fname, pid, n, errno, status); - } -} - -void get_skas_faultinfo(int pid, struct faultinfo * fi) -{ - int err; - - if(ptrace_faultinfo){ - err = ptrace(PTRACE_FAULTINFO, pid, 0, fi); - if(err) - panic("get_skas_faultinfo - PTRACE_FAULTINFO failed, " - "errno = %d\n", errno); - - /* Special handling for i386, which has different structs */ - if (sizeof(struct ptrace_faultinfo) < sizeof(struct faultinfo)) - memset((char *)fi + sizeof(struct ptrace_faultinfo), 0, - sizeof(struct faultinfo) - - sizeof(struct ptrace_faultinfo)); - } - else { - wait_stub_done(pid, SIGSEGV, "get_skas_faultinfo"); - - /* faultinfo is prepared by the stub-segv-handler at start of - * the stub stack page. We just have to copy it. - */ - memcpy(fi, (void *)current_stub_stack(), sizeof(*fi)); - } -} - -static void handle_segv(int pid, union uml_pt_regs * regs) -{ - get_skas_faultinfo(pid, ®s->skas.faultinfo); - segv(regs->skas.faultinfo, 0, 1, NULL); -} - -/*To use the same value of using_sysemu as the caller, ask it that value (in local_using_sysemu)*/ -static void handle_trap(int pid, union uml_pt_regs *regs, int local_using_sysemu) -{ - int err, status; - - /* Mark this as a syscall */ - UPT_SYSCALL_NR(regs) = PT_SYSCALL_NR(regs->skas.regs); - - if (!local_using_sysemu) - { - err = ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_NR_OFFSET, __NR_getpid); - if(err < 0) - panic("handle_trap - nullifying syscall failed errno = %d\n", - errno); - - err = ptrace(PTRACE_SYSCALL, pid, 0, 0); - if(err < 0) - panic("handle_trap - continuing to end of syscall failed, " - "errno = %d\n", errno); - - CATCH_EINTR(err = waitpid(pid, &status, WUNTRACED)); - if((err < 0) || !WIFSTOPPED(status) || - (WSTOPSIG(status) != SIGTRAP + 0x80)) - panic("handle_trap - failed to wait at end of syscall, " - "errno = %d, status = %d\n", errno, status); - } - - handle_syscall(regs); -} - -extern int __syscall_stub_start; -int stub_code_fd = -1; -__u64 stub_code_offset; - -static int userspace_tramp(void *stack) -{ - void *addr; - - ptrace(PTRACE_TRACEME, 0, 0, 0); - - init_new_thread_signals(1); - enable_timer(); - - if(!proc_mm){ - /* This has a pte, but it can't be mapped in with the usual - * tlb_flush mechanism because this is part of that mechanism - */ - addr = mmap64((void *) UML_CONFIG_STUB_CODE, page_size(), - PROT_EXEC, MAP_FIXED | MAP_PRIVATE, - stub_code_fd, stub_code_offset); - if(addr == MAP_FAILED){ - printk("mapping stub code failed, errno = %d\n", - errno); - exit(1); - } - - if(stack != NULL){ - int fd; - __u64 offset; - - fd = phys_mapping(to_phys(stack), &offset); - addr = mmap((void *) UML_CONFIG_STUB_DATA, page_size(), - PROT_READ | PROT_WRITE, - MAP_FIXED | MAP_SHARED, fd, offset); - if(addr == MAP_FAILED){ - printk("mapping stub stack failed, " - "errno = %d\n", errno); - exit(1); - } - } - } - if(!ptrace_faultinfo){ - unsigned long v = UML_CONFIG_STUB_CODE + - (unsigned long) stub_segv_handler - - (unsigned long) &__syscall_stub_start; - - set_sigstack((void *) UML_CONFIG_STUB_DATA, page_size()); - set_handler(SIGSEGV, (void *) v, SA_ONSTACK, - SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, - SIGUSR1, -1); - } - - os_stop_process(os_getpid()); - return(0); -} - -/* Each element set once, and only accessed by a single processor anyway */ -#undef NR_CPUS -#define NR_CPUS 1 -int userspace_pid[NR_CPUS]; - -int start_userspace(unsigned long stub_stack) -{ - void *stack; - unsigned long sp; - int pid, status, n, flags; - - if ( stub_code_fd == -1 ) - stub_code_fd = phys_mapping(to_phys(&__syscall_stub_start), - &stub_code_offset); - - stack = mmap(NULL, PAGE_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); - if(stack == MAP_FAILED) - panic("start_userspace : mmap failed, errno = %d", errno); - sp = (unsigned long) stack + PAGE_SIZE - sizeof(void *); - - flags = CLONE_FILES | SIGCHLD; - if(proc_mm) flags |= CLONE_VM; - pid = clone(userspace_tramp, (void *) sp, flags, (void *) stub_stack); - if(pid < 0) - panic("start_userspace : clone failed, errno = %d", errno); - - do { - CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED)); - if(n < 0) - panic("start_userspace : wait failed, errno = %d", - errno); - } while(WIFSTOPPED(status) && (WSTOPSIG(status) == SIGVTALRM)); - - if(!WIFSTOPPED(status) || (WSTOPSIG(status) != SIGSTOP)) - panic("start_userspace : expected SIGSTOP, got status = %d", - status); - - if (ptrace(PTRACE_OLDSETOPTIONS, pid, NULL, (void *)PTRACE_O_TRACESYSGOOD) < 0) - panic("start_userspace : PTRACE_SETOPTIONS failed, errno=%d\n", - errno); - - if(munmap(stack, PAGE_SIZE) < 0) - panic("start_userspace : munmap failed, errno = %d\n", errno); - - return(pid); -} - -void userspace(union uml_pt_regs *regs) -{ - int err, status, op, pid = userspace_pid[0]; - int local_using_sysemu; /*To prevent races if using_sysemu changes under us.*/ - - while(1){ - restore_registers(pid, regs); - - /* Now we set local_using_sysemu to be used for one loop */ - local_using_sysemu = get_using_sysemu(); - - op = SELECT_PTRACE_OPERATION(local_using_sysemu, singlestepping(NULL)); - - err = ptrace(op, pid, 0, 0); - if(err) - panic("userspace - could not resume userspace process, " - "pid=%d, ptrace operation = %d, errno = %d\n", - op, errno); - - CATCH_EINTR(err = waitpid(pid, &status, WUNTRACED)); - if(err < 0) - panic("userspace - waitpid failed, errno = %d\n", - errno); - - regs->skas.is_user = 1; - save_registers(pid, regs); - UPT_SYSCALL_NR(regs) = -1; /* Assume: It's not a syscall */ - - if(WIFSTOPPED(status)){ - switch(WSTOPSIG(status)){ - case SIGSEGV: - if(PTRACE_FULL_FAULTINFO || !ptrace_faultinfo) - user_signal(SIGSEGV, regs, pid); - else handle_segv(pid, regs); - break; - case SIGTRAP + 0x80: - handle_trap(pid, regs, local_using_sysemu); - break; - case SIGTRAP: - relay_signal(SIGTRAP, regs); - break; - case SIGIO: - case SIGVTALRM: - case SIGILL: - case SIGBUS: - case SIGFPE: - case SIGWINCH: - user_signal(WSTOPSIG(status), regs, pid); - break; - default: - printk("userspace - child stopped with signal " - "%d\n", WSTOPSIG(status)); - } - pid = userspace_pid[0]; - interrupt_end(); - - /* Avoid -ERESTARTSYS handling in host */ - PT_SYSCALL_NR(regs->skas.regs) = -1; - } - } -} -#define INIT_JMP_NEW_THREAD 0 -#define INIT_JMP_REMOVE_SIGSTACK 1 -#define INIT_JMP_CALLBACK 2 -#define INIT_JMP_HALT 3 -#define INIT_JMP_REBOOT 4 - - -int copy_context_skas0(unsigned long new_stack, int pid) -{ - int err; - unsigned long regs[MAX_REG_NR]; - unsigned long current_stack = current_stub_stack(); - struct stub_data *data = (struct stub_data *) current_stack; - struct stub_data *child_data = (struct stub_data *) new_stack; - __u64 new_offset; - int new_fd = phys_mapping(to_phys((void *)new_stack), &new_offset); - - /* prepare offset and fd of child's stack as argument for parent's - * and child's mmap2 calls - */ - *data = ((struct stub_data) { .offset = MMAP_OFFSET(new_offset), - .fd = new_fd, - .timer = ((struct itimerval) - { { 0, 1000000 / hz() }, - { 0, 1000000 / hz() }})}); - get_safe_registers(regs); - - /* Set parent's instruction pointer to start of clone-stub */ - regs[REGS_IP_INDEX] = UML_CONFIG_STUB_CODE + - (unsigned long) stub_clone_handler - - (unsigned long) &__syscall_stub_start; - regs[REGS_SP_INDEX] = UML_CONFIG_STUB_DATA + PAGE_SIZE - - sizeof(void *); - err = ptrace_setregs(pid, regs); - if(err < 0) - panic("copy_context_skas0 : PTRACE_SETREGS failed, " - "pid = %d, errno = %d\n", pid, errno); - - /* set a well known return code for detection of child write failure */ - child_data->err = 12345678; - - /* Wait, until parent has finished its work: read child's pid from - * parent's stack, and check, if bad result. - */ - wait_stub_done(pid, 0, "copy_context_skas0"); - - pid = data->err; - if(pid < 0) - panic("copy_context_skas0 - stub-parent reports error %d\n", - pid); - - /* Wait, until child has finished too: read child's result from - * child's stack and check it. - */ - wait_stub_done(pid, -1, "copy_context_skas0"); - if (child_data->err != UML_CONFIG_STUB_DATA) - panic("copy_context_skas0 - stub-child reports error %d\n", - child_data->err); - - if (ptrace(PTRACE_OLDSETOPTIONS, pid, NULL, - (void *)PTRACE_O_TRACESYSGOOD) < 0) - panic("copy_context_skas0 : PTRACE_SETOPTIONS failed, " - "errno = %d\n", errno); - - return pid; -} - -/* - * This is used only, if stub pages are needed, while proc_mm is - * availabl. Opening /proc/mm creates a new mm_context, which lacks - * the stub-pages. Thus, we map them using /proc/mm-fd - */ -void map_stub_pages(int fd, unsigned long code, - unsigned long data, unsigned long stack) -{ - struct proc_mm_op mmop; - int n; - - mmop = ((struct proc_mm_op) { .op = MM_MMAP, - .u = - { .mmap = - { .addr = code, - .len = PAGE_SIZE, - .prot = PROT_EXEC, - .flags = MAP_FIXED | MAP_PRIVATE, - .fd = stub_code_fd, - .offset = stub_code_offset - } } }); - n = os_write_file(fd, &mmop, sizeof(mmop)); - if(n != sizeof(mmop)) - panic("map_stub_pages : /proc/mm map for code failed, " - "err = %d\n", -n); - - if ( stack ) { - __u64 map_offset; - int map_fd = phys_mapping(to_phys((void *)stack), &map_offset); - mmop = ((struct proc_mm_op) - { .op = MM_MMAP, - .u = - { .mmap = - { .addr = data, - .len = PAGE_SIZE, - .prot = PROT_READ | PROT_WRITE, - .flags = MAP_FIXED | MAP_SHARED, - .fd = map_fd, - .offset = map_offset - } } }); - n = os_write_file(fd, &mmop, sizeof(mmop)); - if(n != sizeof(mmop)) - panic("map_stub_pages : /proc/mm map for data failed, " - "err = %d\n", -n); - } -} - -void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr, - void (*handler)(int)) -{ - unsigned long flags; - sigjmp_buf switch_buf, fork_buf; - - *switch_buf_ptr = &switch_buf; - *fork_buf_ptr = &fork_buf; - - /* Somewhat subtle - siglongjmp restores the signal mask before doing - * the longjmp. This means that when jumping from one stack to another - * when the target stack has interrupts enabled, an interrupt may occur - * on the source stack. This is bad when starting up a process because - * it's not supposed to get timer ticks until it has been scheduled. - * So, we disable interrupts around the sigsetjmp to ensure that - * they can't happen until we get back here where they are safe. - */ - flags = get_signals(); - block_signals(); - if(sigsetjmp(fork_buf, 1) == 0) - new_thread_proc(stack, handler); - - remove_sigstack(); - - set_signals(flags); -} - -void thread_wait(void *sw, void *fb) -{ - sigjmp_buf buf, **switch_buf = sw, *fork_buf; - - *switch_buf = &buf; - fork_buf = fb; - if(sigsetjmp(buf, 1) == 0) - siglongjmp(*fork_buf, INIT_JMP_REMOVE_SIGSTACK); -} - -void switch_threads(void *me, void *next) -{ - sigjmp_buf my_buf, **me_ptr = me, *next_buf = next; - - *me_ptr = &my_buf; - if(sigsetjmp(my_buf, 1) == 0) - siglongjmp(*next_buf, 1); -} - -static sigjmp_buf initial_jmpbuf; - -/* XXX Make these percpu */ -static void (*cb_proc)(void *arg); -static void *cb_arg; -static sigjmp_buf *cb_back; - -int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr) -{ - sigjmp_buf **switch_buf = switch_buf_ptr; - int n; - - set_handler(SIGWINCH, (__sighandler_t) sig_handler, - SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGALRM, - SIGVTALRM, -1); - - *fork_buf_ptr = &initial_jmpbuf; - n = sigsetjmp(initial_jmpbuf, 1); - switch(n){ - case INIT_JMP_NEW_THREAD: - new_thread_proc((void *) stack, new_thread_handler); - break; - case INIT_JMP_REMOVE_SIGSTACK: - remove_sigstack(); - break; - case INIT_JMP_CALLBACK: - (*cb_proc)(cb_arg); - siglongjmp(*cb_back, 1); - break; - case INIT_JMP_HALT: - kmalloc_ok = 0; - return(0); - case INIT_JMP_REBOOT: - kmalloc_ok = 0; - return(1); - default: - panic("Bad sigsetjmp return in start_idle_thread - %d\n", n); - } - siglongjmp(**switch_buf, 1); -} - -void initial_thread_cb_skas(void (*proc)(void *), void *arg) -{ - sigjmp_buf here; - - cb_proc = proc; - cb_arg = arg; - cb_back = &here; - - block_signals(); - if(sigsetjmp(here, 1) == 0) - siglongjmp(initial_jmpbuf, INIT_JMP_CALLBACK); - unblock_signals(); - - cb_proc = NULL; - cb_arg = NULL; - cb_back = NULL; -} - -void halt_skas(void) -{ - block_signals(); - siglongjmp(initial_jmpbuf, INIT_JMP_HALT); -} - -void reboot_skas(void) -{ - block_signals(); - siglongjmp(initial_jmpbuf, INIT_JMP_REBOOT); -} - -void switch_mm_skas(struct mm_id *mm_idp) -{ - int err; - -#warning need cpu pid in switch_mm_skas - if(proc_mm){ - err = ptrace(PTRACE_SWITCH_MM, userspace_pid[0], 0, - mm_idp->u.mm_fd); - if(err) - panic("switch_mm_skas - PTRACE_SWITCH_MM failed, " - "errno = %d\n", errno); - } - else userspace_pid[0] = mm_idp->u.pid; -} - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index e2d3ca445ef..27cdf916442 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -193,6 +193,24 @@ __uml_setup("root=", uml_root_setup, " root=/dev/ubd5\n\n" ); +#ifndef CONFIG_MODE_TT + +static int __init no_skas_debug_setup(char *line, int *add) +{ + printf("'debug' is not necessary to gdb UML in skas mode - run \n"); + printf("'gdb linux' and disable CONFIG_CMDLINE_ON_HOST if gdb \n"); + printf("doesn't work as expected\n"); + + return 0; +} + +__uml_setup("debug", no_skas_debug_setup, +"debug\n" +" this flag is not needed to run gdb on UML in skas mode\n\n" +); + +#endif + #ifdef CONFIG_SMP static int __init uml_ncpus_setup(char *line, int *add) { diff --git a/arch/um/os-Linux/drivers/tuntap_user.c b/arch/um/os-Linux/drivers/tuntap_user.c index 52945338b64..87c3aa0252d 100644 --- a/arch/um/os-Linux/drivers/tuntap_user.c +++ b/arch/um/os-Linux/drivers/tuntap_user.c @@ -122,6 +122,7 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote, return(-EINVAL); } *fd_out = ((int *) CMSG_DATA(cmsg))[0]; + os_set_exec_close(*fd_out, 1); return(0); } @@ -137,7 +138,8 @@ static int tuntap_open(void *data) return(err); if(pri->fixed_config){ - pri->fd = os_open_file("/dev/net/tun", of_rdwr(OPENFLAGS()), 0); + pri->fd = os_open_file("/dev/net/tun", + of_cloexec(of_rdwr(OPENFLAGS())), 0); if(pri->fd < 0){ printk("Failed to open /dev/net/tun, err = %d\n", -pri->fd); diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c index 9890e9090f5..fbb080c2fc2 100644 --- a/arch/um/os-Linux/skas/mem.c +++ b/arch/um/os-Linux/skas/mem.c @@ -60,7 +60,7 @@ static inline long do_syscall_stub(struct mm_id * mm_idp, void **addr) multi_count++; - get_safe_registers(regs); + get_safe_registers(regs, NULL); regs[REGS_IP_INDEX] = UML_CONFIG_STUB_CODE + ((unsigned long) &batch_syscall_stub - (unsigned long) &__syscall_stub_start); diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index 120a21c5883..bbf34cb91ce 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -310,16 +310,12 @@ void userspace(union uml_pt_regs *regs) } } } -#define INIT_JMP_NEW_THREAD 0 -#define INIT_JMP_REMOVE_SIGSTACK 1 -#define INIT_JMP_CALLBACK 2 -#define INIT_JMP_HALT 3 -#define INIT_JMP_REBOOT 4 int copy_context_skas0(unsigned long new_stack, int pid) { int err; - unsigned long regs[MAX_REG_NR]; + unsigned long regs[HOST_FRAME_SIZE]; + unsigned long fp_regs[HOST_FP_SIZE]; unsigned long current_stack = current_stub_stack(); struct stub_data *data = (struct stub_data *) current_stack; struct stub_data *child_data = (struct stub_data *) new_stack; @@ -334,7 +330,7 @@ int copy_context_skas0(unsigned long new_stack, int pid) .timer = ((struct itimerval) { { 0, 1000000 / hz() }, { 0, 1000000 / hz() }})}); - get_safe_registers(regs); + get_safe_registers(regs, fp_regs); /* Set parent's instruction pointer to start of clone-stub */ regs[REGS_IP_INDEX] = UML_CONFIG_STUB_CODE + @@ -350,6 +346,11 @@ int copy_context_skas0(unsigned long new_stack, int pid) panic("copy_context_skas0 : PTRACE_SETREGS failed, " "pid = %d, errno = %d\n", pid, errno); + err = ptrace_setfpregs(pid, fp_regs); + if(err < 0) + panic("copy_context_skas0 : PTRACE_SETFPREGS failed, " + "pid = %d, errno = %d\n", pid, errno); + /* set a well known return code for detection of child write failure */ child_data->err = 12345678; @@ -457,6 +458,12 @@ void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr, set_signals(flags); } +#define INIT_JMP_NEW_THREAD 0 +#define INIT_JMP_REMOVE_SIGSTACK 1 +#define INIT_JMP_CALLBACK 2 +#define INIT_JMP_HALT 3 +#define INIT_JMP_REBOOT 4 + void thread_wait(void *sw, void *fb) { sigjmp_buf buf, **switch_buf = sw, *fork_buf; diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c index 6c5b17ed59e..829d6b0d8b0 100644 --- a/arch/um/os-Linux/start_up.c +++ b/arch/um/os-Linux/start_up.c @@ -49,6 +49,7 @@ static int ptrace_child(void *arg) int pid = os_getpid(), ppid = getppid(); int sc_result; + change_sig(SIGWINCH, 0); if(ptrace(PTRACE_TRACEME, 0, 0, 0) < 0){ perror("ptrace"); os_kill_process(pid, 0); diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c index aee4812333c..7a6f6b99cef 100644 --- a/arch/um/os-Linux/sys-i386/registers.c +++ b/arch/um/os-Linux/sys-i386/registers.c @@ -122,9 +122,12 @@ void init_registers(int pid) err); } -void get_safe_registers(unsigned long *regs) +void get_safe_registers(unsigned long *regs, unsigned long *fp_regs) { memcpy(regs, exec_regs, HOST_FRAME_SIZE * sizeof(unsigned long)); + if(fp_regs != NULL) + memcpy(fp_regs, exec_fp_regs, + HOST_FP_SIZE * sizeof(unsigned long)); } void get_thread_regs(union uml_pt_regs *uml_regs, void *buffer) diff --git a/arch/um/os-Linux/sys-x86_64/registers.c b/arch/um/os-Linux/sys-x86_64/registers.c index 4b638dfb52b..001941fa1a1 100644 --- a/arch/um/os-Linux/sys-x86_64/registers.c +++ b/arch/um/os-Linux/sys-x86_64/registers.c @@ -70,9 +70,12 @@ void init_registers(int pid) err); } -void get_safe_registers(unsigned long *regs) +void get_safe_registers(unsigned long *regs, unsigned long *fp_regs) { memcpy(regs, exec_regs, HOST_FRAME_SIZE * sizeof(unsigned long)); + if(fp_regs != NULL) + memcpy(fp_regs, exec_fp_regs, + HOST_FP_SIZE * sizeof(unsigned long)); } void get_thread_regs(union uml_pt_regs *uml_regs, void *buffer) diff --git a/arch/um/sys-x86_64/ptrace_user.c b/arch/um/sys-x86_64/ptrace_user.c index 12e404c6fa4..b5f9c33e311 100644 --- a/arch/um/sys-x86_64/ptrace_user.c +++ b/arch/um/sys-x86_64/ptrace_user.c @@ -24,6 +24,13 @@ int ptrace_setregs(long pid, unsigned long *regs) return(0); } +int ptrace_setfpregs(long pid, unsigned long *regs) +{ + if (ptrace(PTRACE_SETFPREGS, pid, 0, regs) < 0) + return -errno; + return 0; +} + void ptrace_pokeuser(unsigned long addr, unsigned long data) { panic("ptrace_pokeuser"); diff --git a/arch/um/sys-x86_64/user-offsets.c b/arch/um/sys-x86_64/user-offsets.c index 5a585bfbb8c..7bd54a921cf 100644 --- a/arch/um/sys-x86_64/user-offsets.c +++ b/arch/um/sys-x86_64/user-offsets.c @@ -57,7 +57,7 @@ void foo(void) #endif DEFINE_LONGS(HOST_FRAME_SIZE, FRAME_SIZE); - DEFINE(HOST_FP_SIZE, 0); + DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long)); DEFINE(HOST_XFP_SIZE, 0); DEFINE_LONGS(HOST_RBX, RBX); DEFINE_LONGS(HOST_RCX, RCX); diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S index 067c0f47bd0..ada4535d016 100644 --- a/arch/x86_64/ia32/ia32entry.S +++ b/arch/x86_64/ia32/ia32entry.S @@ -685,6 +685,9 @@ ia32_sys_call_table: .quad sys_readlinkat /* 305 */ .quad sys_fchmodat .quad sys_faccessat + .quad sys_ni_syscall /* pselect6 for now */ + .quad sys_ni_syscall /* ppoll for now */ + .quad sys_unshare /* 310 */ ia32_syscall_end: .rept IA32_NR_syscalls-(ia32_syscall_end-ia32_sys_call_table)/8 .quad ni_syscall diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 363db5a003d..9435ab7d6fb 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -94,7 +94,6 @@ unsigned long saved_video_mode; /* * Setup options */ -struct drive_info_struct { char dummy[32]; } drive_info; struct screen_info screen_info; struct sys_desc_table_struct { unsigned short length; @@ -572,7 +571,6 @@ void __init setup_arch(char **cmdline_p) unsigned long kernel_end; ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); - drive_info = DRIVE_INFO; screen_info = SCREEN_INFO; edid_info = EDID_INFO; saved_video_mode = SAVED_VIDEO_MODE; diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index a28756ef7ce..67e4e28f4df 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -59,6 +59,7 @@ #include <asm/nmi.h> #include <asm/irq.h> #include <asm/hw_irq.h> +#include <asm/numa.h> /* Number of siblings per CPU package */ int smp_num_siblings = 1; @@ -890,6 +891,7 @@ do_rest: if (boot_error) { cpu_clear(cpu, cpu_callout_map); /* was set here (do_boot_cpu()) */ clear_bit(cpu, &cpu_initialized); /* was set by cpu_init() */ + clear_node_cpumask(cpu); /* was set by numa_add_cpu */ cpu_clear(cpu, cpu_present_map); cpu_clear(cpu, cpu_possible_map); x86_cpu_to_apicid[cpu] = BAD_APICID; @@ -1187,6 +1189,7 @@ void remove_cpu_from_maps(void) cpu_clear(cpu, cpu_callout_map); cpu_clear(cpu, cpu_callin_map); clear_bit(cpu, &cpu_initialized); /* was set by cpu_init() */ + clear_node_cpumask(cpu); } int __cpu_disable(void) diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index c0844bffbf8..dba7237be5c 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -748,7 +748,7 @@ static __init int late_hpet_init(void) * Timer0 and Timer1 is used by platform. */ hd.hd_phys_address = vxtime.hpet_address; - hd.hd_address = (void *)fix_to_virt(FIX_HPET_BASE); + hd.hd_address = (void __iomem *)fix_to_virt(FIX_HPET_BASE); hd.hd_nirqs = ntimer; hd.hd_flags = HPET_DATA_PLATFORM; hpet_reserve_timer(&hd, 0); diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c index b614d54d2ae..3496abc8d37 100644 --- a/arch/x86_64/kernel/x8664_ksyms.c +++ b/arch/x86_64/kernel/x8664_ksyms.c @@ -39,11 +39,6 @@ extern void __write_lock_failed(rwlock_t *rw); extern void __read_lock_failed(rwlock_t *rw); #endif -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) || defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE) -extern struct drive_info_struct drive_info; -EXPORT_SYMBOL(drive_info); -#endif - /* platform dependent support */ EXPORT_SYMBOL(boot_cpu_data); //EXPORT_SYMBOL(dump_fpu); diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c index b4a3fe4ec24..18f371fe37f 100644 --- a/arch/x86_64/pci/mmconfig.c +++ b/arch/x86_64/pci/mmconfig.c @@ -49,7 +49,7 @@ static char __iomem *get_virt(unsigned int seg, unsigned bus) return pci_mmcfg_virt[0].virt; /* Fall back to type 0 */ - return 0; + return NULL; } static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn) |