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-rw-r--r--arch/alpha/Kconfig5
-rw-r--r--arch/alpha/kernel/alpha_ksyms.c1
-rw-r--r--arch/alpha/kernel/setup.c17
-rw-r--r--arch/alpha/kernel/smp.c8
-rw-r--r--arch/arm/Kconfig6
-rw-r--r--arch/arm/boot/compressed/vmlinux.lds.in1
-rw-r--r--arch/arm/kernel/armksyms.c1
-rw-r--r--arch/arm/kernel/setup.c6
-rw-r--r--arch/arm/mach-omap1/devices.c11
-rw-r--r--arch/arm/mach-omap2/devices.c10
-rw-r--r--arch/arm/mach-s3c2410/clock.c4
-rw-r--r--arch/arm/mach-s3c2410/common-smdk.c1
-rw-r--r--arch/arm/mm/cache-v4wb.S26
-rw-r--r--arch/arm/mm/init.c7
-rw-r--r--arch/arm/mm/proc-sa110.S25
-rw-r--r--arch/arm/mm/proc-sa1100.S37
-rw-r--r--arch/arm/plat-omap/clock.c3
-rw-r--r--arch/arm/plat-omap/devices.c22
-rw-r--r--arch/arm/vfp/vfpdouble.c29
-rw-r--r--arch/arm/vfp/vfphw.S6
-rw-r--r--arch/arm/vfp/vfpsingle.c9
-rw-r--r--arch/arm26/kernel/armksyms.c1
-rw-r--r--arch/cris/kernel/crisksyms.c1
-rw-r--r--arch/frv/kernel/entry.S26
-rw-r--r--arch/frv/kernel/frv_ksyms.c1
-rw-r--r--arch/h8300/kernel/h8300_ksyms.c1
-rw-r--r--arch/i386/Kconfig73
-rw-r--r--arch/i386/Kconfig.cpu2
-rw-r--r--arch/i386/boot/video.S5
-rw-r--r--arch/i386/kernel/acpi/boot.c10
-rw-r--r--arch/i386/kernel/apic.c23
-rw-r--r--arch/i386/kernel/cpu/amd.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k8.c18
-rw-r--r--arch/i386/kernel/i386_ksyms.c1
-rw-r--r--arch/i386/kernel/mpparse.c43
-rw-r--r--arch/i386/kernel/reboot_fixups.c2
-rw-r--r--arch/i386/kernel/setup.c36
-rw-r--r--arch/i386/kernel/traps.c16
-rw-r--r--arch/i386/mach-voyager/voyager_cat.c10
-rw-r--r--arch/i386/mm/init.c2
-rw-r--r--arch/i386/pci/direct.c13
-rw-r--r--arch/i386/pci/mmconfig.c67
-rw-r--r--arch/ia64/Kconfig19
-rw-r--r--arch/ia64/kernel/acpi-ext.c143
-rw-r--r--arch/ia64/kernel/entry.S3
-rw-r--r--arch/ia64/kernel/mca.c33
-rw-r--r--arch/ia64/kernel/mca_asm.S10
-rw-r--r--arch/ia64/kernel/module.c2
-rw-r--r--arch/ia64/mm/fault.c3
-rw-r--r--arch/ia64/sn/kernel/xpc_channel.c2
-rw-r--r--arch/m32r/Kconfig5
-rw-r--r--arch/m32r/kernel/m32r_ksyms.c29
-rw-r--r--arch/m32r/kernel/setup.c12
-rw-r--r--arch/m32r/kernel/smpboot.c19
-rw-r--r--arch/m32r/lib/Makefile4
-rw-r--r--arch/m32r/lib/getuser.S88
-rw-r--r--arch/m32r/lib/putuser.S84
-rw-r--r--arch/m68k/kernel/m68k_ksyms.c1
-rw-r--r--arch/m68knommu/kernel/m68k_ksyms.c1
-rw-r--r--arch/mips/Kconfig5
-rw-r--r--arch/mips/kernel/mips_ksyms.c1
-rw-r--r--arch/parisc/Kconfig5
-rw-r--r--arch/parisc/kernel/parisc_ksyms.c1
-rw-r--r--arch/powerpc/Kconfig5
-rw-r--r--arch/s390/Makefile1
-rw-r--r--arch/s390/defconfig48
-rw-r--r--arch/sh/Kconfig5
-rw-r--r--arch/sh/kernel/sh_ksyms.c1
-rw-r--r--arch/sh64/kernel/sh_ksyms.c1
-rw-r--r--arch/sparc/kernel/smp.c2
-rw-r--r--arch/sparc/kernel/sparc_ksyms.c1
-rw-r--r--arch/sparc64/Kconfig3
-rw-r--r--arch/sparc64/defconfig10
-rw-r--r--arch/sparc64/kernel/pci_sun4v.c2
-rw-r--r--arch/sparc64/kernel/ptrace.c23
-rw-r--r--arch/sparc64/kernel/setup.c2
-rw-r--r--arch/sparc64/kernel/smp.c41
-rw-r--r--arch/sparc64/kernel/sparc64_ksyms.c1
-rw-r--r--arch/sparc64/kernel/traps.c4
-rw-r--r--arch/um/Makefile3
-rw-r--r--arch/um/drivers/cow.h2
-rw-r--r--arch/um/drivers/cow_sys.h2
-rw-r--r--arch/um/drivers/cow_user.c94
-rw-r--r--arch/um/drivers/mconsole_kern.c8
-rw-r--r--arch/um/drivers/net_user.c4
-rw-r--r--arch/um/drivers/slirp_user.c2
-rw-r--r--arch/um/include/kern_util.h4
-rw-r--r--arch/um/include/tt/tt.h3
-rw-r--r--arch/um/include/user.h6
-rw-r--r--arch/um/include/user_util.h3
-rw-r--r--arch/um/kernel/ksyms.c5
-rw-r--r--arch/um/os-Linux/drivers/ethertap_user.c2
-rw-r--r--arch/um/os-Linux/helper.c10
-rw-r--r--arch/um/os-Linux/mem.c23
-rw-r--r--arch/um/os-Linux/sigio.c2
-rw-r--r--arch/um/os-Linux/skas/mem.c4
-rw-r--r--arch/um/os-Linux/skas/process.c4
-rw-r--r--arch/um/os-Linux/sys-i386/tls.c1
-rw-r--r--arch/um/os-Linux/umid.c15
-rw-r--r--arch/um/os-Linux/user_syms.c9
-rw-r--r--arch/um/scripts/Makefile.rules6
-rw-r--r--arch/um/sys-i386/ksyms.c4
-rw-r--r--arch/um/sys-i386/ptrace_user.c2
-rw-r--r--arch/um/sys-i386/signal.c2
-rw-r--r--arch/um/sys-i386/tls.c2
-rw-r--r--arch/um/sys-x86_64/signal.c2
-rw-r--r--arch/v850/kernel/v850_ksyms.c1
-rw-r--r--arch/x86_64/Kconfig10
-rw-r--r--arch/x86_64/Makefile24
-rw-r--r--arch/x86_64/boot/video.S5
-rw-r--r--arch/x86_64/defconfig42
-rw-r--r--arch/x86_64/ia32/ia32entry.S23
-rw-r--r--arch/x86_64/kernel/aperture.c2
-rw-r--r--arch/x86_64/kernel/e820.c36
-rw-r--r--arch/x86_64/kernel/entry.S28
-rw-r--r--arch/x86_64/kernel/mce.c8
-rw-r--r--arch/x86_64/kernel/nmi.c7
-rw-r--r--arch/x86_64/kernel/pci-dma.c2
-rw-r--r--arch/x86_64/kernel/process.c10
-rw-r--r--arch/x86_64/kernel/ptrace.c5
-rw-r--r--arch/x86_64/kernel/setup.c4
-rw-r--r--arch/x86_64/kernel/time.c4
-rw-r--r--arch/x86_64/kernel/vmlinux.lds.S2
-rw-r--r--arch/x86_64/kernel/x8664_ksyms.c3
-rw-r--r--arch/x86_64/mm/init.c37
-rw-r--r--arch/x86_64/mm/numa.c46
-rw-r--r--arch/x86_64/mm/srat.c170
-rw-r--r--arch/x86_64/pci/mmconfig.c53
-rw-r--r--arch/xtensa/kernel/xtensa_ksyms.c1
129 files changed, 1119 insertions, 836 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 9bef61b3036..8290b69da20 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -549,6 +549,11 @@ config NUMA
Access). This option is for configuring high-end multiprocessor
server machines. If in doubt, say N.
+config NODES_SHIFT
+ int
+ default "7"
+ depends on NEED_MULTIPLE_NODES
+
# LARGE_VMALLOC is racy, if you *really* need it then fix it first
config ALPHA_LARGE_VMALLOC
bool
diff --git a/arch/alpha/kernel/alpha_ksyms.c b/arch/alpha/kernel/alpha_ksyms.c
index 9d6186d5024..c645c5e1478 100644
--- a/arch/alpha/kernel/alpha_ksyms.c
+++ b/arch/alpha/kernel/alpha_ksyms.c
@@ -76,7 +76,6 @@ EXPORT_SYMBOL(strncpy);
EXPORT_SYMBOL(strnlen);
EXPORT_SYMBOL(strncat);
EXPORT_SYMBOL(strstr);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strchr);
EXPORT_SYMBOL(strrchr);
EXPORT_SYMBOL(memcmp);
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index a15e18a0025..558b8336855 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -24,6 +24,7 @@
#include <linux/config.h> /* CONFIG_ALPHA_LCA etc */
#include <linux/mc146818rtc.h>
#include <linux/console.h>
+#include <linux/cpu.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/string.h>
@@ -471,6 +472,22 @@ page_is_ram(unsigned long pfn)
return 0;
}
+static int __init
+register_cpus(void)
+{
+ int i;
+
+ for_each_possible_cpu(i) {
+ struct cpu *p = kzalloc(sizeof(*p), GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+ register_cpu(p, i, NULL);
+ }
+ return 0;
+}
+
+arch_initcall(register_cpus);
+
void __init
setup_arch(char **cmdline_p)
{
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 02c2db08114..185255416e8 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -439,7 +439,7 @@ setup_smp(void)
if ((cpu->flags & 0x1cc) == 0x1cc) {
smp_num_probed++;
/* Assume here that "whami" == index */
- cpu_set(i, cpu_possible_map);
+ cpu_set(i, cpu_present_mask);
cpu->pal_revision = boot_cpu_palrev;
}
@@ -450,9 +450,8 @@ setup_smp(void)
}
} else {
smp_num_probed = 1;
- cpu_set(boot_cpuid, cpu_possible_map);
+ cpu_set(boot_cpuid, cpu_present_mask);
}
- cpu_present_mask = cpumask_of_cpu(boot_cpuid);
printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_mask = %lx\n",
smp_num_probed, cpu_possible_map.bits[0]);
@@ -488,9 +487,8 @@ void __devinit
smp_prepare_boot_cpu(void)
{
/*
- * Mark the boot cpu (current cpu) as both present and online
+ * Mark the boot cpu (current cpu) as online
*/
- cpu_set(smp_processor_id(), cpu_present_mask);
cpu_set(smp_processor_id(), cpu_online_map);
}
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index dc5a9332c91..1dbf6ddb300 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -512,6 +512,12 @@ config ARCH_DISCONTIGMEM_ENABLE
or have huge holes in the physical address space for other reasons.
See <file:Documentation/vm/numa> for more.
+config NODES_SHIFT
+ int
+ default "4" if ARCH_LH7A40X
+ default "2"
+ depends on NEED_MULTIPLE_NODES
+
source "mm/Kconfig"
config LEDS
diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in
index eed616113e4..153a07e7222 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.in
+++ b/arch/arm/boot/compressed/vmlinux.lds.in
@@ -18,6 +18,7 @@ SECTIONS
_start = .;
*(.start)
*(.text)
+ *(.text.*)
*(.fixup)
*(.gnu.warning)
*(.rodata)
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index ee083b3f052..c49b5d4d7fc 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -101,7 +101,6 @@ EXPORT_SYMBOL(__raw_writesl);
/* string / mem functions */
EXPORT_SYMBOL(strchr);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strrchr);
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memcpy);
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 43752840395..8cff73e668b 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -322,6 +322,12 @@ static void __init setup_processor(void)
sprintf(system_utsname.machine, "%s%c", list->arch_name, ENDIANNESS);
sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS);
elf_hwcap = list->elf_hwcap;
+#ifndef CONFIG_ARM_THUMB
+ elf_hwcap &= ~HWCAP_THUMB;
+#endif
+#ifndef CONFIG_VFP
+ elf_hwcap &= ~HWCAP_VFP;
+#endif
cpu_proc_init();
}
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 876c38da14f..847329cafc5 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -25,10 +25,6 @@
#include <asm/arch/mux.h>
#include <asm/arch/gpio.h>
-extern void omap_nop_release(struct device *dev);
-
-/*-------------------------------------------------------------------------*/
-
#if defined(CONFIG_OMAP1610_IR) || defined(CONFIG_OMAP161O_IR_MODULE)
static u64 irda_dmamask = 0xffffffff;
@@ -37,7 +33,6 @@ static struct platform_device omap1610ir_device = {
.name = "omap1610-ir",
.id = -1,
.dev = {
- .release = omap_nop_release,
.dma_mask = &irda_dmamask,
},
};
@@ -84,9 +79,6 @@ static struct resource rtc_resources[] = {
static struct platform_device omap_rtc_device = {
.name = "omap_rtc",
.id = -1,
- .dev = {
- .release = omap_nop_release,
- },
.num_resources = ARRAY_SIZE(rtc_resources),
.resource = rtc_resources,
};
@@ -124,9 +116,6 @@ static struct resource sti_resources[] = {
static struct platform_device sti_device = {
.name = "sti",
.id = -1,
- .dev = {
- .release = omap_nop_release,
- },
.num_resources = ARRAY_SIZE(sti_resources),
.resource = sti_resources,
};
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index def9e5370ed..fb7f91da1aa 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -25,10 +25,6 @@
#include <asm/arch/mux.h>
#include <asm/arch/gpio.h>
-extern void omap_nop_release(struct device *dev);
-
-/*-------------------------------------------------------------------------*/
-
#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
#define OMAP2_I2C_BASE2 0x48072000
@@ -49,9 +45,6 @@ static struct resource i2c_resources2[] = {
static struct platform_device omap_i2c_device2 = {
.name = "i2c_omap",
.id = 2,
- .dev = {
- .release = omap_nop_release,
- },
.num_resources = ARRAY_SIZE(i2c_resources2),
.resource = i2c_resources2,
};
@@ -100,9 +93,6 @@ static struct resource sti_resources[] = {
static struct platform_device sti_device = {
.name = "sti",
.id = -1,
- .dev = {
- .release = omap_nop_release,
- },
.num_resources = ARRAY_SIZE(sti_resources),
.resource = sti_resources,
};
diff --git a/arch/arm/mach-s3c2410/clock.c b/arch/arm/mach-s3c2410/clock.c
index b7f85e6d6b7..6de713ad319 100644
--- a/arch/arm/mach-s3c2410/clock.c
+++ b/arch/arm/mach-s3c2410/clock.c
@@ -367,6 +367,8 @@ static int s3c24xx_clkout_setparent(struct clk *clk, struct clk *parent)
source = S3C2410_MISCCR_CLK0_UPLL;
else if (parent == &clk_f)
source = S3C2410_MISCCR_CLK0_FCLK;
+ else if (parent == &clk_h)
+ source = S3C2410_MISCCR_CLK0_HCLK;
else if (parent == &clk_p)
source = S3C2410_MISCCR_CLK0_PCLK;
else if (clk == &s3c24xx_clkout0 && parent == &s3c24xx_dclk0)
@@ -376,6 +378,8 @@ static int s3c24xx_clkout_setparent(struct clk *clk, struct clk *parent)
else
return -EINVAL;
+ clk->parent = parent;
+
if (clk == &s3c24xx_dclk0)
mask = S3C2410_MISCCR_CLK0_MASK;
else {
diff --git a/arch/arm/mach-s3c2410/common-smdk.c b/arch/arm/mach-s3c2410/common-smdk.c
index 36b8291b5e0..f372fbda124 100644
--- a/arch/arm/mach-s3c2410/common-smdk.c
+++ b/arch/arm/mach-s3c2410/common-smdk.c
@@ -37,6 +37,7 @@
#include <asm/arch/nand.h>
+#include "common-smdk.h"
#include "devs.h"
#include "pm.h"
diff --git a/arch/arm/mm/cache-v4wb.S b/arch/arm/mm/cache-v4wb.S
index 5c4055b62d9..54e3c5bb518 100644
--- a/arch/arm/mm/cache-v4wb.S
+++ b/arch/arm/mm/cache-v4wb.S
@@ -10,7 +10,7 @@
#include <linux/config.h>
#include <linux/linkage.h>
#include <linux/init.h>
-#include <asm/hardware.h>
+#include <asm/memory.h>
#include <asm/page.h>
#include "proc-macros.S"
@@ -46,6 +46,11 @@
*/
#define CACHE_DLIMIT (CACHE_DSIZE * 4)
+ .data
+flush_base:
+ .long FLUSH_BASE
+ .text
+
/*
* flush_user_cache_all()
*
@@ -63,11 +68,21 @@ ENTRY(v4wb_flush_kern_cache_all)
mov ip, #0
mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache
__flush_whole_cache:
- mov r0, #FLUSH_BASE
- add r1, r0, #CACHE_DSIZE
-1: ldr r2, [r0], #32
- cmp r0, r1
+ ldr r3, =flush_base
+ ldr r1, [r3, #0]
+ eor r1, r1, #CACHE_DSIZE
+ str r1, [r3, #0]
+ add r2, r1, #CACHE_DSIZE
+1: ldr r3, [r1], #32
+ cmp r1, r2
+ blo 1b
+#ifdef FLUSH_BASE_MINICACHE
+ add r2, r2, #FLUSH_BASE_MINICACHE - FLUSH_BASE
+ sub r1, r2, #512 @ only 512 bytes
+1: ldr r3, [r1], #32
+ cmp r1, r2
blo 1b
+#endif
mcr p15, 0, ip, c7, c10, 4 @ drain write buffer
mov pc, lr
@@ -82,6 +97,7 @@ __flush_whole_cache:
* - flags - vma_area_struct flags describing address space
*/
ENTRY(v4wb_flush_user_cache_range)
+ mov ip, #0
sub r3, r1, r0 @ calculate total size
tst r2, #VM_EXEC @ executable region?
mcrne p15, 0, ip, c7, c5, 0 @ invalidate I cache
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 88279124317..9ea1f87a707 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -20,6 +20,7 @@
#include <asm/mach-types.h>
#include <asm/setup.h>
+#include <asm/sizes.h>
#include <asm/tlb.h>
#include <asm/mach/arch.h>
@@ -455,14 +456,14 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
#ifdef FLUSH_BASE
map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS);
map.virtual = FLUSH_BASE;
- map.length = PGDIR_SIZE;
+ map.length = SZ_1M;
map.type = MT_CACHECLEAN;
create_mapping(&map);
#endif
#ifdef FLUSH_BASE_MINICACHE
- map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS + PGDIR_SIZE);
+ map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS + SZ_1M);
map.virtual = FLUSH_BASE_MINICACHE;
- map.length = PGDIR_SIZE;
+ map.length = SZ_1M;
map.type = MT_MINICLEAN;
create_mapping(&map);
#endif
diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S
index c916a6cae40..a2dd5ae1077 100644
--- a/arch/arm/mm/proc-sa110.S
+++ b/arch/arm/mm/proc-sa110.S
@@ -26,22 +26,7 @@
* the cache line size of the I and D cache
*/
#define DCACHELINESIZE 32
-#define FLUSH_OFFSET 32768
- .macro flush_110_dcache rd, ra, re
- ldr \rd, =flush_base
- ldr \ra, [\rd]
- eor \ra, \ra, #FLUSH_OFFSET
- str \ra, [\rd]
- add \re, \ra, #16384 @ only necessary for 16k
-1001: ldr \rd, [\ra], #DCACHELINESIZE
- teq \re, \ra
- bne 1001b
- .endm
-
- .data
-flush_base:
- .long FLUSH_BASE
.text
/*
@@ -145,13 +130,11 @@ ENTRY(cpu_sa110_dcache_clean_area)
*/
.align 5
ENTRY(cpu_sa110_switch_mm)
- flush_110_dcache r3, ip, r1
- mov r1, #0
- mcr p15, 0, r1, c7, c5, 0 @ invalidate I cache
- mcr p15, 0, r1, c7, c10, 4 @ drain WB
+ str lr, [sp, #-4]!
+ bl v4wb_flush_kern_cache_all @ clears IP
mcr p15, 0, r0, c2, c0, 0 @ load page table pointer
- mcr p15, 0, r1, c8, c7, 0 @ invalidate I & D TLBs
- mov pc, lr
+ mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
+ ldr pc, [sp], #4
/*
* cpu_sa110_set_pte(ptep, pte)
diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S
index 41f21f2dd8f..777ad99c143 100644
--- a/arch/arm/mm/proc-sa1100.S
+++ b/arch/arm/mm/proc-sa1100.S
@@ -30,30 +30,6 @@
* the cache line size of the I and D cache
*/
#define DCACHELINESIZE 32
-#define FLUSH_OFFSET 32768
-
- .macro flush_1100_dcache rd, ra, re
- ldr \rd, =flush_base
- ldr \ra, [\rd]
- eor \ra, \ra, #FLUSH_OFFSET
- str \ra, [\rd]
- add \re, \ra, #8192 @ only necessary for 8k
-1001: ldr \rd, [\ra], #DCACHELINESIZE
- teq \re, \ra
- bne 1001b
-#ifdef FLUSH_BASE_MINICACHE
- add \ra, \ra, #FLUSH_BASE_MINICACHE - FLUSH_BASE
- add \re, \ra, #512 @ only 512 bytes
-1002: ldr \rd, [\ra], #DCACHELINESIZE
- teq \re, \ra
- bne 1002b
-#endif
- .endm
-
- .data
-flush_base:
- .long FLUSH_BASE
- .text
__INIT
@@ -79,9 +55,8 @@ ENTRY(cpu_sa1100_proc_fin)
stmfd sp!, {lr}
mov ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
msr cpsr_c, ip
- flush_1100_dcache r0, r1, r2 @ clean caches
- mov r0, #0
- mcr p15, 0, r0, c15, c2, 2 @ Disable clock switching
+ bl v4wb_flush_kern_cache_all
+ mcr p15, 0, ip, c15, c2, 2 @ Disable clock switching
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x000e @ ............wca.
@@ -167,14 +142,12 @@ ENTRY(cpu_sa1100_dcache_clean_area)
*/
.align 5
ENTRY(cpu_sa1100_switch_mm)
- flush_1100_dcache r3, ip, r1
- mov ip, #0
- mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache
+ str lr, [sp, #-4]!
+ bl v4wb_flush_kern_cache_all @ clears IP
mcr p15, 0, ip, c9, c0, 0 @ invalidate RB
- mcr p15, 0, ip, c7, c10, 4 @ drain WB
mcr p15, 0, r0, c2, c0, 0 @ load page table pointer
mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
- mov pc, lr
+ ldr pc, [sp], #4
/*
* cpu_sa1100_set_pte(ptep, pte)
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 06485c193ee..32ec04c58bc 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -58,7 +58,7 @@ struct clk * clk_get(struct device *dev, const char *id)
if (p->id == idno &&
strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
clk = p;
- break;
+ goto found;
}
}
@@ -69,6 +69,7 @@ struct clk * clk_get(struct device *dev, const char *id)
}
}
+found:
mutex_unlock(&clocks_mutex);
return clk;
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index 079b67deac0..5d5d6eb222d 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -26,14 +26,6 @@
#include <asm/arch/gpio.h>
#include <asm/arch/menelaus.h>
-
-void omap_nop_release(struct device *dev)
-{
- /* Nothing */
-}
-
-/*-------------------------------------------------------------------------*/
-
#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
#define OMAP1_I2C_BASE 0xfffb3800
@@ -59,9 +51,6 @@ static struct resource i2c_resources1[] = {
static struct platform_device omap_i2c_device1 = {
.name = "i2c_omap",
.id = 1,
- .dev = {
- .release = omap_nop_release,
- },
.num_resources = ARRAY_SIZE(i2c_resources1),
.resource = i2c_resources1,
};
@@ -187,7 +176,6 @@ static struct platform_device mmc_omap_device1 = {
.name = "mmci-omap",
.id = 1,
.dev = {
- .release = omap_nop_release,
.dma_mask = &mmc1_dmamask,
.platform_data = &mmc1_conf,
},
@@ -217,7 +205,6 @@ static struct platform_device mmc_omap_device2 = {
.name = "mmci-omap",
.id = 2,
.dev = {
- .release = omap_nop_release,
.dma_mask = &mmc2_dmamask,
.platform_data = &mmc2_conf,
},
@@ -321,9 +308,6 @@ static struct resource uwire_resources[] = {
static struct platform_device omap_uwire_device = {
.name = "omap_uwire",
.id = -1,
- .dev = {
- .release = omap_nop_release,
- },
.num_resources = ARRAY_SIZE(uwire_resources),
.resource = uwire_resources,
};
@@ -365,9 +349,6 @@ static struct resource wdt_resources[] = {
static struct platform_device omap_wdt_device = {
.name = "omap_wdt",
.id = -1,
- .dev = {
- .release = omap_nop_release,
- },
.num_resources = ARRAY_SIZE(wdt_resources),
.resource = wdt_resources,
};
@@ -401,9 +382,6 @@ static struct resource rng_resources[] = {
static struct platform_device omap_rng_device = {
.name = "omap_rng",
.id = -1,
- .dev = {
- .release = omap_nop_release,
- },
.num_resources = ARRAY_SIZE(rng_resources),
.resource = rng_resources,
};
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c
index 9b367a65cb4..febd115dba2 100644
--- a/arch/arm/vfp/vfpdouble.c
+++ b/arch/arm/vfp/vfpdouble.c
@@ -588,6 +588,7 @@ static u32 vfp_double_ftosi(int sd, int unused, int dm, u32 fpscr)
struct vfp_double vdm;
u32 d, exceptions = 0;
int rmode = fpscr & FPSCR_RMODE_MASK;
+ int tm;
vfp_double_unpack(&vdm, vfp_get_double(dm));
vfp_double_dump("VDM", &vdm);
@@ -595,10 +596,14 @@ static u32 vfp_double_ftosi(int sd, int unused, int dm, u32 fpscr)
/*
* Do we have denormalised number?
*/
- if (vfp_double_type(&vdm) & VFP_DENORMAL)
+ tm = vfp_double_type(&vdm);
+ if (tm & VFP_DENORMAL)
exceptions |= FPSCR_IDC;
- if (vdm.exponent >= 1023 + 32) {
+ if (tm & VFP_NAN) {
+ d = 0;
+ exceptions |= FPSCR_IOC;
+ } else if (vdm.exponent >= 1023 + 32) {
d = 0x7fffffff;
if (vdm.sign)
d = ~d;
@@ -1122,9 +1127,9 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
{
u32 op = inst & FOP_MASK;
u32 exceptions = 0;
- unsigned int dd = vfp_get_sd(inst);
- unsigned int dn = vfp_get_sn(inst);
- unsigned int dm = vfp_get_sm(inst);
+ unsigned int dd = vfp_get_dd(inst);
+ unsigned int dn = vfp_get_dn(inst);
+ unsigned int dm = vfp_get_dm(inst);
unsigned int vecitr, veclen, vecstride;
u32 (*fop)(int, int, s32, u32);
@@ -1141,7 +1146,7 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
pr_debug("VFP: vecstride=%u veclen=%u\n", vecstride,
(veclen >> FPSCR_LENGTH_BIT) + 1);
- fop = (op == FOP_EXT) ? fop_extfns[dn] : fop_fns[FOP_TO_IDX(op)];
+ fop = (op == FOP_EXT) ? fop_extfns[FEXT_TO_IDX(inst)] : fop_fns[FOP_TO_IDX(op)];
if (!fop)
goto invalid;
@@ -1149,17 +1154,13 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
u32 except;
if (op == FOP_EXT)
- pr_debug("VFP: itr%d (d%u.%u) = op[%u] (d%u.%u)\n",
+ pr_debug("VFP: itr%d (d%u) = op[%u] (d%u)\n",
vecitr >> FPSCR_LENGTH_BIT,
- dd >> 1, dd & 1, dn,
- dm >> 1, dm & 1);
+ dd, dn, dm);
else
- pr_debug("VFP: itr%d (d%u.%u) = (d%u.%u) op[%u] (d%u.%u)\n",
+ pr_debug("VFP: itr%d (d%u) = (d%u) op[%u] (d%u)\n",
vecitr >> FPSCR_LENGTH_BIT,
- dd >> 1, dd & 1,
- dn >> 1, dn & 1,
- FOP_TO_IDX(op),
- dm >> 1, dm & 1);
+ dd, dn, FOP_TO_IDX(op), dm);
except = fop(dd, dn, dm, fpscr);
pr_debug("VFP: itr%d: exceptions=%08x\n",
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index b7ed57e00cd..a3f65b47aea 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -189,11 +189,10 @@ vfp_put_float:
.globl vfp_get_double
vfp_get_double:
- mov r0, r0, lsr #1
add pc, pc, r0, lsl #3
mov r0, r0
.irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
- mrrc p10, 1, r0, r1, c\dr @ fmrrd r0, r1, d\dr
+ mrrc p11, 1, r0, r1, c\dr @ fmrrd r0, r1, d\dr
mov pc, lr
.endr
@@ -204,10 +203,9 @@ vfp_get_double:
.globl vfp_put_double
vfp_put_double:
- mov r0, r0, lsr #1
add pc, pc, r0, lsl #3
mov r0, r0
.irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
- mcrr p10, 1, r1, r2, c\dr @ fmrrd r1, r2, d\dr
+ mcrr p11, 1, r1, r2, c\dr @ fmdrr r1, r2, d\dr
mov pc, lr
.endr
diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c
index 14dd696ddeb..4ac27f19393 100644
--- a/arch/arm/vfp/vfpsingle.c
+++ b/arch/arm/vfp/vfpsingle.c
@@ -632,6 +632,7 @@ static u32 vfp_single_ftosi(int sd, int unused, s32 m, u32 fpscr)
struct vfp_single vsm;
u32 d, exceptions = 0;
int rmode = fpscr & FPSCR_RMODE_MASK;
+ int tm;
vfp_single_unpack(&vsm, m);
vfp_single_dump("VSM", &vsm);
@@ -639,10 +640,14 @@ static u32 vfp_single_ftosi(int sd, int unused, s32 m, u32 fpscr)
/*
* Do we have a denormalised number?
*/
+ tm = vfp_single_type(&vsm);
if (vfp_single_type(&vsm) & VFP_DENORMAL)
exceptions |= FPSCR_IDC;
- if (vsm.exponent >= 127 + 32) {
+ if (tm & VFP_NAN) {
+ d = 0;
+ exceptions |= FPSCR_IOC;
+ } else if (vsm.exponent >= 127 + 32) {
/*
* m >= 2^31-2^7: invalid
*/
@@ -1188,7 +1193,7 @@ u32 vfp_single_cpdo(u32 inst, u32 fpscr)
pr_debug("VFP: vecstride=%u veclen=%u\n", vecstride,
(veclen >> FPSCR_LENGTH_BIT) + 1);
- fop = (op == FOP_EXT) ? fop_extfns[sn] : fop_fns[FOP_TO_IDX(op)];
+ fop = (op == FOP_EXT) ? fop_extfns[FEXT_TO_IDX(inst)] : fop_fns[FOP_TO_IDX(op)];
if (!fop)
goto invalid;
diff --git a/arch/arm26/kernel/armksyms.c b/arch/arm26/kernel/armksyms.c
index a6a1b337344..9d66c27f272 100644
--- a/arch/arm26/kernel/armksyms.c
+++ b/arch/arm26/kernel/armksyms.c
@@ -152,7 +152,6 @@ EXPORT_SYMBOL(strncmp);
EXPORT_SYMBOL(strchr);
EXPORT_SYMBOL(strlen);
EXPORT_SYMBOL(strnlen);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strrchr);
EXPORT_SYMBOL(strstr);
EXPORT_SYMBOL(memset);
diff --git a/arch/cris/kernel/crisksyms.c b/arch/cris/kernel/crisksyms.c
index de39725da92..d57859053ce 100644
--- a/arch/cris/kernel/crisksyms.c
+++ b/arch/cris/kernel/crisksyms.c
@@ -39,7 +39,6 @@ EXPORT_SYMBOL(loops_per_usec);
/* String functions */
EXPORT_SYMBOL(memcmp);
EXPORT_SYMBOL(memmove);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strstr);
EXPORT_SYMBOL(strcpy);
EXPORT_SYMBOL(strchr);
diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S
index 1d21c8d34d8..a9b59527a74 100644
--- a/arch/frv/kernel/entry.S
+++ b/arch/frv/kernel/entry.S
@@ -1170,12 +1170,6 @@ __syscall_badsys:
# syscall vector table
#
###############################################################################
-#ifdef CONFIG_MMU
-#define __MMU(X) X
-#else
-#define __MMU(X) sys_ni_syscall
-#endif
-
.section .rodata
ALIGN
.globl sys_call_table
@@ -1305,7 +1299,7 @@ sys_call_table:
.long sys_newuname
.long sys_ni_syscall /* old "cacheflush" */
.long sys_adjtimex
- .long __MMU(sys_mprotect) /* 125 */
+ .long sys_mprotect /* 125 */
.long sys_sigprocmask
.long sys_ni_syscall /* old "create_module" */
.long sys_init_module
@@ -1324,16 +1318,16 @@ sys_call_table:
.long sys_getdents
.long sys_select
.long sys_flock
- .long __MMU(sys_msync)
+ .long sys_msync
.long sys_readv /* 145 */
.long sys_writev
.long sys_getsid
.long sys_fdatasync
.long sys_sysctl
- .long __MMU(sys_mlock) /* 150 */
- .long __MMU(sys_munlock)
- .long __MMU(sys_mlockall)
- .long __MMU(sys_munlockall)
+ .long sys_mlock /* 150 */
+ .long sys_munlock
+ .long sys_mlockall
+ .long sys_munlockall
.long sys_sched_setparam
.long sys_sched_getparam /* 155 */
.long sys_sched_setscheduler
@@ -1343,7 +1337,7 @@ sys_call_table:
.long sys_sched_get_priority_min /* 160 */
.long sys_sched_rr_get_interval
.long sys_nanosleep
- .long __MMU(sys_mremap)
+ .long sys_mremap
.long sys_setresuid16
.long sys_getresuid16 /* 165 */
.long sys_ni_syscall /* for vm86 */
@@ -1398,8 +1392,8 @@ sys_call_table:
.long sys_setfsuid /* 215 */
.long sys_setfsgid
.long sys_pivot_root
- .long __MMU(sys_mincore)
- .long __MMU(sys_madvise)
+ .long sys_mincore
+ .long sys_madvise
.long sys_getdents64 /* 220 */
.long sys_fcntl64
.long sys_ni_syscall /* reserved for TUX */
@@ -1437,7 +1431,7 @@ sys_call_table:
.long sys_epoll_create
.long sys_epoll_ctl /* 255 */
.long sys_epoll_wait
- .long __MMU(sys_remap_file_pages)
+ .long sys_remap_file_pages
.long sys_set_tid_address
.long sys_timer_create
.long sys_timer_settime /* 260 */
diff --git a/arch/frv/kernel/frv_ksyms.c b/arch/frv/kernel/frv_ksyms.c
index 07c8ffa0dd3..0f273a7aca5 100644
--- a/arch/frv/kernel/frv_ksyms.c
+++ b/arch/frv/kernel/frv_ksyms.c
@@ -27,7 +27,6 @@ EXPORT_SYMBOL(__ioremap);
EXPORT_SYMBOL(iounmap);
EXPORT_SYMBOL(strnlen);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strrchr);
EXPORT_SYMBOL(strstr);
EXPORT_SYMBOL(strchr);
diff --git a/arch/h8300/kernel/h8300_ksyms.c b/arch/h8300/kernel/h8300_ksyms.c
index b6cd78c972b..f8d6dee8478 100644
--- a/arch/h8300/kernel/h8300_ksyms.c
+++ b/arch/h8300/kernel/h8300_ksyms.c
@@ -25,7 +25,6 @@ extern char h8300_debug_device[];
/* platform dependent support */
EXPORT_SYMBOL(strnlen);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strrchr);
EXPORT_SYMBOL(strstr);
EXPORT_SYMBOL(strchr);
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index f17bd1d2707..18ec9fe6deb 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -53,6 +53,35 @@ source "init/Kconfig"
menu "Processor type and features"
+config SMP
+ bool "Symmetric multi-processing support"
+ ---help---
+ This enables support for systems with more than one CPU. If you have
+ a system with only one CPU, like most personal computers, say N. If
+ you have a system with more than one CPU, say Y.
+
+ If you say N here, the kernel will run on single and multiprocessor
+ machines, but will use only one CPU of a multiprocessor machine. If
+ you say Y here, the kernel will run on many, but not all,
+ singleprocessor machines. On a singleprocessor machine, the kernel
+ will run faster if you say N here.
+
+ Note that if you say Y here and choose architecture "586" or
+ "Pentium" under "Processor family", the kernel will not work on 486
+ architectures. Similarly, multiprocessor kernels for the "PPro"
+ architecture may not work on all Pentium based boards.
+
+ People using multiprocessor machines who say Y here should also say
+ Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
+ Management" code will be disabled if you say Y here.
+
+ See also the <file:Documentation/smp.txt>,
+ <file:Documentation/i386/IO-APIC.txt>,
+ <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
+ <http://www.tldp.org/docs.html#howto>.
+
+ If you don't know what to do here, say N.
+
choice
prompt "Subarchitecture Type"
default X86_PC
@@ -178,35 +207,6 @@ config HPET_EMULATE_RTC
depends on HPET_TIMER && RTC=y
default y
-config SMP
- bool "Symmetric multi-processing support"
- ---help---
- This enables support for systems with more than one CPU. If you have
- a system with only one CPU, like most personal computers, say N. If
- you have a system with more than one CPU, say Y.
-
- If you say N here, the kernel will run on single and multiprocessor
- machines, but will use only one CPU of a multiprocessor machine. If
- you say Y here, the kernel will run on many, but not all,
- singleprocessor machines. On a singleprocessor machine, the kernel
- will run faster if you say N here.
-
- Note that if you say Y here and choose architecture "586" or
- "Pentium" under "Processor family", the kernel will not work on 486
- architectures. Similarly, multiprocessor kernels for the "PPro"
- architecture may not work on all Pentium based boards.
-
- People using multiprocessor machines who say Y here should also say
- Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
- Management" code will be disabled if you say Y here.
-
- See also the <file:Documentation/smp.txt>,
- <file:Documentation/i386/IO-APIC.txt>,
- <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
- <http://www.tldp.org/docs.html#howto>.
-
- If you don't know what to do here, say N.
-
config NR_CPUS
int "Maximum number of CPUs (2-255)"
range 2 255
@@ -522,6 +522,12 @@ config NUMA
comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI"
depends on X86_SUMMIT && (!HIGHMEM64G || !ACPI)
+config NODES_SHIFT
+ int
+ default "4" if X86_NUMAQ
+ default "3"
+ depends on NEED_MULTIPLE_NODES
+
config HAVE_ARCH_BOOTMEM_NODE
bool
depends on NUMA
@@ -757,15 +763,6 @@ config HOTPLUG_CPU
Say N.
-config DOUBLEFAULT
- default y
- bool "Enable doublefault exception handler" if EMBEDDED
- help
- This option allows trapping of rare doublefault exceptions that
- would otherwise cause a system to silently reboot. Disabling this
- option saves about 4k and might cause you much additional grey
- hair.
-
endmenu
diff --git a/arch/i386/Kconfig.cpu b/arch/i386/Kconfig.cpu
index 79603b3471f..eb130482ba1 100644
--- a/arch/i386/Kconfig.cpu
+++ b/arch/i386/Kconfig.cpu
@@ -311,5 +311,5 @@ config X86_OOSTORE
config X86_TSC
bool
- depends on (MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MGEODEGX1) && !X86_NUMAQ
+ depends on (MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MGEODEGX1 || MGEODE_LX) && !X86_NUMAQ
default y
diff --git a/arch/i386/boot/video.S b/arch/i386/boot/video.S
index 0000a267453..c9343c3a808 100644
--- a/arch/i386/boot/video.S
+++ b/arch/i386/boot/video.S
@@ -97,6 +97,7 @@
#define PARAM_VESAPM_OFF 0x30
#define PARAM_LFB_PAGES 0x32
#define PARAM_VESA_ATTRIB 0x34
+#define PARAM_CAPABILITIES 0x36
/* Define DO_STORE according to CONFIG_VIDEO_RETAIN */
#ifdef CONFIG_VIDEO_RETAIN
@@ -233,6 +234,10 @@ mopar_gr:
movw 18(%di), %ax
movl %eax, %fs:(PARAM_LFB_SIZE)
+# store mode capabilities
+ movl 10(%di), %eax
+ movl %eax, %fs:(PARAM_CAPABILITIES)
+
# switching the DAC to 8-bit is for <= 8 bpp only
movw %fs:(PARAM_LFB_DEPTH), %ax
cmpw $8, %ax
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 033066176b3..030a0007a4e 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -168,7 +168,7 @@ int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size)
unsigned long i;
int config_size;
- if (!phys_addr || !size)
+ if (!phys_addr || !size || !cpu_has_apic)
return -EINVAL;
mcfg = (struct acpi_table_mcfg *)__acpi_map_table(phys_addr, size);
@@ -215,7 +215,7 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
{
struct acpi_table_madt *madt = NULL;
- if (!phys_addr || !size)
+ if (!phys_addr || !size || !cpu_has_apic)
return -EINVAL;
madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size);
@@ -693,6 +693,9 @@ static int __init acpi_parse_madt_lapic_entries(void)
{
int count;
+ if (!cpu_has_apic)
+ return -ENODEV;
+
/*
* Note that the LAPIC address is obtained from the MADT (32-bit value)
* and (optionally) overriden by a LAPIC_ADDR_OVR entry (64-bit value).
@@ -751,6 +754,9 @@ static int __init acpi_parse_madt_ioapic_entries(void)
return -ENODEV;
}
+ if (!cpu_has_apic)
+ return -ENODEV;
+
/*
* if "noapic" boot option, don't look for IO-APICs
*/
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 6273bf74c20..254cee9f0b7 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -62,6 +62,18 @@ int apic_verbosity;
static void apic_pm_activate(void);
+int modern_apic(void)
+{
+ unsigned int lvr, version;
+ /* AMD systems use old APIC versions, so check the CPU */
+ if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
+ boot_cpu_data.x86 >= 0xf)
+ return 1;
+ lvr = apic_read(APIC_LVR);
+ version = GET_APIC_VERSION(lvr);
+ return version >= 0x14;
+}
+
/*
* 'what should we do if we get a hw irq event on an illegal vector'.
* each architecture has to answer this themselves.
@@ -119,10 +131,7 @@ void enable_NMI_through_LVT0 (void * dummy)
int get_physical_broadcast(void)
{
- unsigned int lvr, version;
- lvr = apic_read(APIC_LVR);
- version = GET_APIC_VERSION(lvr);
- if (!APIC_INTEGRATED(version) || version >= 0x14)
+ if (modern_apic())
return 0xff;
else
return 0xf;
@@ -349,9 +358,9 @@ int __init verify_local_APIC(void)
void __init sync_Arb_IDs(void)
{
- /* Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1 */
- unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR));
- if (ver >= 0x14) /* P4 or higher */
+ /* Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1
+ And not needed on AMD */
+ if (modern_apic())
return;
/*
* Wait for idle.
diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c
index 0810f81f2a0..ff2b2154ac1 100644
--- a/arch/i386/kernel/cpu/amd.c
+++ b/arch/i386/kernel/cpu/amd.c
@@ -212,8 +212,6 @@ static void __init init_amd(struct cpuinfo_x86 *c)
if (cpuid_eax(0x80000000) >= 0x80000008) {
c->x86_max_cores = (cpuid_ecx(0x80000008) & 0xff) + 1;
- if (c->x86_max_cores & (c->x86_max_cores - 1))
- c->x86_max_cores = 1;
}
if (cpuid_eax(0x80000000) >= 0x80000007) {
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
index 712a26bd445..7c0e160a214 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -46,7 +46,7 @@
#define PFX "powernow-k8: "
#define BFX PFX "BIOS error: "
-#define VERSION "version 1.60.1"
+#define VERSION "version 1.60.2"
#include "powernow-k8.h"
/* serialize freq changes */
@@ -55,7 +55,7 @@ static DEFINE_MUTEX(fidvid_mutex);
static struct powernow_k8_data *powernow_data[NR_CPUS];
#ifndef CONFIG_SMP
-static cpumask_t cpu_core_map[1] = { CPU_MASK_ALL };
+static cpumask_t cpu_core_map[1];
#endif
/* Return a frequency in MHz, given an input fid */
@@ -910,6 +910,9 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
unsigned int newstate;
int ret = -EIO;
+ if (!data)
+ return -EINVAL;
+
/* only run on specific CPU from here on */
oldmask = current->cpus_allowed;
set_cpus_allowed(current, cpumask_of_cpu(pol->cpu));
@@ -969,6 +972,9 @@ static int powernowk8_verify(struct cpufreq_policy *pol)
{
struct powernow_k8_data *data = powernow_data[pol->cpu];
+ if (!data)
+ return -EINVAL;
+
return cpufreq_frequency_table_verify(pol, data->powernow_table);
}
@@ -977,7 +983,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
{
struct powernow_k8_data *data;
cpumask_t oldmask = CPU_MASK_ALL;
- int rc, i;
+ int rc;
if (!cpu_online(pol->cpu))
return -ENODEV;
@@ -1063,8 +1069,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
printk("cpu_init done, current fid 0x%x, vid 0x%x\n",
data->currfid, data->currvid);
- for_each_cpu_mask(i, cpu_core_map[pol->cpu])
- powernow_data[i] = data;
+ powernow_data[pol->cpu] = data;
return 0;
@@ -1104,6 +1109,9 @@ static unsigned int powernowk8_get (unsigned int cpu)
if (!data)
return -EINVAL;
+ if (!data)
+ return -EINVAL;
+
set_cpus_allowed(current, cpumask_of_cpu(cpu));
if (smp_processor_id() != cpu) {
printk(KERN_ERR PFX "limiting to CPU %d failed in powernowk8_get\n", cpu);
diff --git a/arch/i386/kernel/i386_ksyms.c b/arch/i386/kernel/i386_ksyms.c
index 055325056a7..036a9857936 100644
--- a/arch/i386/kernel/i386_ksyms.c
+++ b/arch/i386/kernel/i386_ksyms.c
@@ -19,7 +19,6 @@ EXPORT_SYMBOL(__put_user_2);
EXPORT_SYMBOL(__put_user_4);
EXPORT_SYMBOL(__put_user_8);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strstr);
#ifdef CONFIG_SMP
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index 8d8aa9d1796..34d21e21e01 100644
--- a/arch/i386/kernel/mpparse.c
+++ b/arch/i386/kernel/mpparse.c
@@ -38,12 +38,6 @@
int smp_found_config;
unsigned int __initdata maxcpus = NR_CPUS;
-#ifdef CONFIG_HOTPLUG_CPU
-#define CPU_HOTPLUG_ENABLED (1)
-#else
-#define CPU_HOTPLUG_ENABLED (0)
-#endif
-
/*
* Various Linux-internal data structures created from the
* MP-table.
@@ -110,21 +104,6 @@ static int __init mpf_checksum(unsigned char *mp, int len)
static int mpc_record;
static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] __initdata;
-#ifdef CONFIG_X86_NUMAQ
-static int MP_valid_apicid(int apicid, int version)
-{
- return hweight_long(apicid & 0xf) == 1 && (apicid >> 4) != 0xf;
-}
-#else
-static int MP_valid_apicid(int apicid, int version)
-{
- if (version >= 0x14)
- return apicid < 0xff;
- else
- return apicid < 0xf;
-}
-#endif
-
static void __devinit MP_processor_info (struct mpc_config_processor *m)
{
int ver, apicid;
@@ -190,12 +169,6 @@ static void __devinit MP_processor_info (struct mpc_config_processor *m)
ver = m->mpc_apicver;
- if (!MP_valid_apicid(apicid, ver)) {
- printk(KERN_WARNING "Processor #%d INVALID. (Max ID: %d).\n",
- m->mpc_apicid, MAX_APICS);
- return;
- }
-
/*
* Validate version
*/
@@ -225,7 +198,14 @@ static void __devinit MP_processor_info (struct mpc_config_processor *m)
cpu_set(num_processors, cpu_possible_map);
num_processors++;
- if (CPU_HOTPLUG_ENABLED || (num_processors > 8)) {
+ /*
+ * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y
+ * but we need to work other dependencies like SMP_SUSPEND etc
+ * before this can be done without some confusion.
+ * if (CPU_HOTPLUG_ENABLED || num_processors > 8)
+ * - Ashok Raj <ashok.raj@intel.com>
+ */
+ if (num_processors > 8) {
switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_INTEL:
if (!APIC_XAPIC(ver)) {
@@ -249,6 +229,13 @@ static void __init MP_bus_info (struct mpc_config_bus *m)
mpc_oem_bus_info(m, str, translation_table[mpc_record]);
+ if (m->mpc_busid >= MAX_MP_BUSSES) {
+ printk(KERN_WARNING "MP table busid value (%d) for bustype %s "
+ " is too large, max. supported is %d\n",
+ m->mpc_busid, str, MAX_MP_BUSSES - 1);
+ return;
+ }
+
if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA)-1) == 0) {
mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA;
} else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA)-1) == 0) {
diff --git a/arch/i386/kernel/reboot_fixups.c b/arch/i386/kernel/reboot_fixups.c
index 10e21a4773d..99aab41a05b 100644
--- a/arch/i386/kernel/reboot_fixups.c
+++ b/arch/i386/kernel/reboot_fixups.c
@@ -51,7 +51,5 @@ void mach_reboot_fixups(void)
cur->reboot_fixup(dev);
}
-
- printk(KERN_WARNING "No reboot fixup found for your hardware\n");
}
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index eacc3f0a2ea..80cb3b2d099 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -963,6 +963,36 @@ efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg)
return 0;
}
+ /*
+ * This function checks if the entire range <start,end> is mapped with type.
+ *
+ * Note: this function only works correct if the e820 table is sorted and
+ * not-overlapping, which is the case
+ */
+int __init
+e820_all_mapped(unsigned long start, unsigned long end, unsigned type)
+{
+ int i;
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+ if (type && ei->type != type)
+ continue;
+ /* is the region (part) in overlap with the current region ?*/
+ if (ei->addr >= end || ei->addr + ei->size <= start)
+ continue;
+ /* if the region is at the beginning of <start,end> we move
+ * start to the end of the region since it's ok until there
+ */
+ if (ei->addr <= start)
+ start = ei->addr + ei->size;
+ /* if start is now at or beyond end, we're done, full
+ * coverage */
+ if (start >= end)
+ return 1; /* we're done */
+ }
+ return 0;
+}
+
/*
* Find the highest page frame number we have available
*/
@@ -1317,8 +1347,8 @@ legacy_init_iomem_resources(struct resource *code_resource, struct resource *dat
/*
* Request address space for all standard resources
*
- * This is called just before pcibios_assign_resources(), which is also
- * an fs_initcall, but is linked in later (in arch/i386/pci/i386.c).
+ * This is called just before pcibios_init(), which is also a
+ * subsys_initcall, but is linked in later (in arch/i386/pci/common.c).
*/
static int __init request_standard_resources(void)
{
@@ -1339,7 +1369,7 @@ static int __init request_standard_resources(void)
return 0;
}
-fs_initcall(request_standard_resources);
+subsys_initcall(request_standard_resources);
static void __init register_memory(void)
{
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index e3852799459..2d22f5761b1 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -365,6 +365,9 @@ void die(const char * str, struct pt_regs * regs, long err)
if (++die.lock_owner_depth < 3) {
int nl = 0;
+ unsigned long esp;
+ unsigned short ss;
+
handle_BUG(regs);
printk(KERN_EMERG "%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter);
#ifdef CONFIG_PREEMPT
@@ -387,8 +390,19 @@ void die(const char * str, struct pt_regs * regs, long err)
printk("\n");
if (notify_die(DIE_OOPS, str, regs, err,
current->thread.trap_no, SIGSEGV) !=
- NOTIFY_STOP)
+ NOTIFY_STOP) {
show_registers(regs);
+ /* Executive summary in case the oops scrolled away */
+ esp = (unsigned long) (&regs->esp);
+ savesegment(ss, ss);
+ if (user_mode(regs)) {
+ esp = regs->esp;
+ ss = regs->xss & 0xffff;
+ }
+ printk(KERN_EMERG "EIP: [<%08lx>] ", regs->eip);
+ print_symbol("%s", regs->eip);
+ printk(" SS:ESP %04x:%08lx\n", ss, esp);
+ }
else
regs = NULL;
} else
diff --git a/arch/i386/mach-voyager/voyager_cat.c b/arch/i386/mach-voyager/voyager_cat.c
index 23967fe658d..3039539de51 100644
--- a/arch/i386/mach-voyager/voyager_cat.c
+++ b/arch/i386/mach-voyager/voyager_cat.c
@@ -106,9 +106,15 @@ voyager_module_t *voyager_cat_list;
/* the I/O port assignments for the VIC and QIC */
static struct resource vic_res = {
- "Voyager Interrupt Controller", 0xFC00, 0xFC6F };
+ .name = "Voyager Interrupt Controller",
+ .start = 0xFC00,
+ .end = 0xFC6F
+};
static struct resource qic_res = {
- "Quad Interrupt Controller", 0xFC70, 0xFCFF };
+ .name = "Quad Interrupt Controller",
+ .start = 0xFC70,
+ .end = 0xFCFF
+};
/* This function is used to pack a data bit stream inside a message.
* It writes num_bits of the data buffer in msg starting at start_bit.
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index 9f66ac582a8..ae6534ad816 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -651,6 +651,7 @@ void __init mem_init(void)
* Specifically, in the case of x86, we will always add
* memory to the highmem for now.
*/
+#ifdef CONFIG_HOTPLUG_MEMORY
#ifndef CONFIG_NEED_MULTIPLE_NODES
int add_memory(u64 start, u64 size)
{
@@ -667,6 +668,7 @@ int remove_memory(u64 start, u64 size)
return -EINVAL;
}
#endif
+#endif
kmem_cache_t *pgd_cache;
kmem_cache_t *pmd_cache;
diff --git a/arch/i386/pci/direct.c b/arch/i386/pci/direct.c
index 99012b93bd1..5d81fb51037 100644
--- a/arch/i386/pci/direct.c
+++ b/arch/i386/pci/direct.c
@@ -4,6 +4,7 @@
#include <linux/pci.h>
#include <linux/init.h>
+#include <linux/dmi.h>
#include "pci.h"
/*
@@ -18,8 +19,10 @@ int pci_conf1_read(unsigned int seg, unsigned int bus,
{
unsigned long flags;
- if (!value || (bus > 255) || (devfn > 255) || (reg > 255))
+ if ((bus > 255) || (devfn > 255) || (reg > 255)) {
+ *value = -1;
return -EINVAL;
+ }
spin_lock_irqsave(&pci_config_lock, flags);
@@ -91,8 +94,10 @@ static int pci_conf2_read(unsigned int seg, unsigned int bus,
unsigned long flags;
int dev, fn;
- if (!value || (bus > 255) || (devfn > 255) || (reg > 255))
+ if ((bus > 255) || (devfn > 255) || (reg > 255)) {
+ *value = -1;
return -EINVAL;
+ }
dev = PCI_SLOT(devfn);
fn = PCI_FUNC(devfn);
@@ -188,6 +193,10 @@ static int __init pci_sanity_check(struct pci_raw_ops *o)
if (pci_probe & PCI_NO_CHECKS)
return 1;
+ /* Assume Type 1 works for newer systems.
+ This handles machines that don't have anything on PCI Bus 0. */
+ if (dmi_get_year(DMI_BIOS_DATE) >= 2001)
+ return 1;
for (devfn = 0; devfn < 0x100; devfn++) {
if (o->read(0, 0, devfn, PCI_CLASS_DEVICE, 2, &x))
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index 613789071f3..6b1ea0c9a57 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -12,14 +12,20 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/acpi.h>
+#include <asm/e820.h>
#include "pci.h"
+#define MMCONFIG_APER_SIZE (256*1024*1024)
+
+/* Assume systems with more busses have correct MCFG */
+#define MAX_CHECK_BUS 16
+
#define mmcfg_virt_addr ((void __iomem *) fix_to_virt(FIX_PCIE_MCFG))
/* The base address of the last MMCONFIG device accessed */
static u32 mmcfg_last_accessed_device;
-static DECLARE_BITMAP(fallback_slots, 32);
+static DECLARE_BITMAP(fallback_slots, MAX_CHECK_BUS*32);
/*
* Functions for accessing PCI configuration space with MMCONFIG accesses
@@ -29,8 +35,8 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn)
int cfg_num = -1;
struct acpi_table_mcfg_config *cfg;
- if (seg == 0 && bus == 0 &&
- test_bit(PCI_SLOT(devfn), fallback_slots))
+ if (seg == 0 && bus < MAX_CHECK_BUS &&
+ test_bit(PCI_SLOT(devfn) + 32*bus, fallback_slots))
return 0;
while (1) {
@@ -74,8 +80,10 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
unsigned long flags;
u32 base;
- if (!value || (bus > 255) || (devfn > 255) || (reg > 4095))
+ if ((bus > 255) || (devfn > 255) || (reg > 4095)) {
+ *value = -1;
return -EINVAL;
+ }
base = get_base_addr(seg, bus, devfn);
if (!base)
@@ -146,29 +154,34 @@ static struct pci_raw_ops pci_mmcfg = {
Normally this can be expressed in the MCFG by not listing them
and assigning suitable _SEGs, but this isn't implemented in some BIOS.
Instead try to discover all devices on bus 0 that are unreachable using MM
- and fallback for them.
- We only do this for bus 0/seg 0 */
+ and fallback for them. */
static __init void unreachable_devices(void)
{
- int i;
+ int i, k;
unsigned long flags;
- for (i = 0; i < 32; i++) {
- u32 val1;
- u32 addr;
-
- pci_conf1_read(0, 0, PCI_DEVFN(i, 0), 0, 4, &val1);
- if (val1 == 0xffffffff)
- continue;
-
- /* Locking probably not needed, but safer */
- spin_lock_irqsave(&pci_config_lock, flags);
- addr = get_base_addr(0, 0, PCI_DEVFN(i, 0));
- if (addr != 0)
- pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0));
- if (addr == 0 || readl((u32 __iomem *)mmcfg_virt_addr) != val1)
- set_bit(i, fallback_slots);
- spin_unlock_irqrestore(&pci_config_lock, flags);
+ for (k = 0; k < MAX_CHECK_BUS; k++) {
+ for (i = 0; i < 32; i++) {
+ u32 val1;
+ u32 addr;
+
+ pci_conf1_read(0, k, PCI_DEVFN(i, 0), 0, 4, &val1);
+ if (val1 == 0xffffffff)
+ continue;
+
+ /* Locking probably not needed, but safer */
+ spin_lock_irqsave(&pci_config_lock, flags);
+ addr = get_base_addr(0, k, PCI_DEVFN(i, 0));
+ if (addr != 0)
+ pci_exp_set_dev_base(addr, k, PCI_DEVFN(i, 0));
+ if (addr == 0 ||
+ readl((u32 __iomem *)mmcfg_virt_addr) != val1) {
+ set_bit(i, fallback_slots);
+ printk(KERN_NOTICE
+ "PCI: No mmconfig possible on %x:%x\n", k, i);
+ }
+ spin_unlock_irqrestore(&pci_config_lock, flags);
+ }
}
}
@@ -183,6 +196,14 @@ void __init pci_mmcfg_init(void)
(pci_mmcfg_config[0].base_address == 0))
return;
+ if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
+ pci_mmcfg_config[0].base_address + MMCONFIG_APER_SIZE,
+ E820_RESERVED)) {
+ printk(KERN_ERR "PCI: BIOS Bug: MCFG area is not E820-reserved\n");
+ printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
+ return;
+ }
+
printk(KERN_INFO "PCI: Using MMCONFIG\n");
raw_pci_ops = &pci_mmcfg;
pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index edffe25a477..9f40eeff0b5 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -260,15 +260,6 @@ config NR_CPUS
than 64 will cause the use of a CPU mask array, causing a small
performance hit.
-config IA64_NR_NODES
- int "Maximum number of NODEs (256-1024)" if (IA64_SGI_SN2 || IA64_GENERIC)
- range 256 1024
- depends on IA64_SGI_SN2 || IA64_GENERIC
- default "256"
- help
- This option specifies the maximum number of nodes in your SSI system.
- If in doubt, use the default.
-
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
depends on SMP && EXPERIMENTAL
@@ -352,6 +343,16 @@ config NUMA
Access). This option is for configuring high-end multiprocessor
server systems. If in doubt, say N.
+config NODES_SHIFT
+ int "Max num nodes shift(3-10)"
+ range 3 10
+ default "8"
+ depends on NEED_MULTIPLE_NODES
+ help
+ This option specifies the maximum number of nodes in your SSI system.
+ MAX_NUMNODES will be 2^(This value).
+ If in doubt, use the default.
+
# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
# VIRTUAL_MEM_MAP has been retained for historical reasons.
config VIRTUAL_MEM_MAP
diff --git a/arch/ia64/kernel/acpi-ext.c b/arch/ia64/kernel/acpi-ext.c
index 4a5574ff007..fff82929d22 100644
--- a/arch/ia64/kernel/acpi-ext.c
+++ b/arch/ia64/kernel/acpi-ext.c
@@ -1,105 +1,104 @@
/*
- * arch/ia64/kernel/acpi-ext.c
+ * (c) Copyright 2003, 2006 Hewlett-Packard Development Company, L.P.
+ * Alex Williamson <alex.williamson@hp.com>
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*
- * Copyright (C) 2003 Hewlett-Packard
- * Copyright (C) Alex Williamson
- * Copyright (C) Bjorn Helgaas
- *
- * Vendor specific extensions to ACPI.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/acpi.h>
-#include <linux/efi.h>
#include <asm/acpi-ext.h>
-struct acpi_vendor_descriptor {
- u8 guid_id;
- efi_guid_t guid;
-};
+/*
+ * Device CSRs that do not appear in PCI config space should be described
+ * via ACPI. This would normally be done with Address Space Descriptors
+ * marked as "consumer-only," but old versions of Windows and Linux ignore
+ * the producer/consumer flag, so HP invented a vendor-defined resource to
+ * describe the location and size of CSR space.
+ */
-struct acpi_vendor_info {
- struct acpi_vendor_descriptor *descriptor;
- u8 *data;
- u32 length;
+struct acpi_vendor_uuid hp_ccsr_uuid = {
+ .subtype = 2,
+ .data = { 0xf9, 0xad, 0xe9, 0x69, 0x4f, 0x92, 0x5f, 0xab, 0xf6, 0x4a,
+ 0x24, 0xd2, 0x01, 0x37, 0x0e, 0xad },
};
-acpi_status
-acpi_vendor_resource_match(struct acpi_resource *resource, void *context)
+static acpi_status hp_ccsr_locate(acpi_handle obj, u64 *base, u64 *length)
{
- struct acpi_vendor_info *info = (struct acpi_vendor_info *)context;
- struct acpi_resource_vendor *vendor;
- struct acpi_vendor_descriptor *descriptor;
- u32 byte_length;
-
- if (resource->type != ACPI_RESOURCE_TYPE_VENDOR)
- return AE_OK;
-
- vendor = (struct acpi_resource_vendor *)&resource->data;
- descriptor = (struct acpi_vendor_descriptor *)vendor->byte_data;
- if (vendor->byte_length <= sizeof(*info->descriptor) ||
- descriptor->guid_id != info->descriptor->guid_id ||
- efi_guidcmp(descriptor->guid, info->descriptor->guid))
- return AE_OK;
-
- byte_length = vendor->byte_length - sizeof(struct acpi_vendor_descriptor);
- info->data = acpi_os_allocate(byte_length);
- if (!info->data)
- return AE_NO_MEMORY;
-
- memcpy(info->data,
- vendor->byte_data + sizeof(struct acpi_vendor_descriptor),
- byte_length);
- info->length = byte_length;
- return AE_CTRL_TERMINATE;
-}
+ acpi_status status;
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_resource *resource;
+ struct acpi_resource_vendor_typed *vendor;
-acpi_status
-acpi_find_vendor_resource(acpi_handle obj, struct acpi_vendor_descriptor * id,
- u8 ** data, u32 * byte_length)
-{
- struct acpi_vendor_info info;
+ status = acpi_get_vendor_resource(obj, METHOD_NAME__CRS, &hp_ccsr_uuid,
+ &buffer);
- info.descriptor = id;
- info.data = NULL;
+ resource = buffer.pointer;
+ vendor = &resource->data.vendor_typed;
- acpi_walk_resources(obj, METHOD_NAME__CRS, acpi_vendor_resource_match,
- &info);
- if (!info.data)
- return AE_NOT_FOUND;
+ if (ACPI_FAILURE(status) || vendor->byte_length < 16) {
+ status = AE_NOT_FOUND;
+ goto exit;
+ }
- *data = info.data;
- *byte_length = info.length;
- return AE_OK;
+ memcpy(base, vendor->byte_data, sizeof(*base));
+ memcpy(length, vendor->byte_data + 8, sizeof(*length));
+
+ exit:
+ acpi_os_free(buffer.pointer);
+ return status;
}
-struct acpi_vendor_descriptor hp_ccsr_descriptor = {
- .guid_id = 2,
- .guid =
- EFI_GUID(0x69e9adf9, 0x924f, 0xab5f, 0xf6, 0x4a, 0x24, 0xd2, 0x01,
- 0x37, 0x0e, 0xad)
+struct csr_space {
+ u64 base;
+ u64 length;
};
-acpi_status hp_acpi_csr_space(acpi_handle obj, u64 * csr_base, u64 * csr_length)
+static acpi_status find_csr_space(struct acpi_resource *resource, void *data)
{
+ struct csr_space *space = data;
+ struct acpi_resource_address64 addr;
acpi_status status;
- u8 *data;
- u32 length;
- status =
- acpi_find_vendor_resource(obj, &hp_ccsr_descriptor, &data, &length);
+ status = acpi_resource_to_address64(resource, &addr);
+ if (ACPI_SUCCESS(status) &&
+ addr.resource_type == ACPI_MEMORY_RANGE &&
+ addr.address_length &&
+ addr.producer_consumer == ACPI_CONSUMER) {
+ space->base = addr.minimum;
+ space->length = addr.address_length;
+ return AE_CTRL_TERMINATE;
+ }
+ return AE_OK; /* keep looking */
+}
- if (ACPI_FAILURE(status) || length != 16)
- return AE_NOT_FOUND;
+static acpi_status hp_crs_locate(acpi_handle obj, u64 *base, u64 *length)
+{
+ struct csr_space space = { 0, 0 };
- memcpy(csr_base, data, sizeof(*csr_base));
- memcpy(csr_length, data + 8, sizeof(*csr_length));
- acpi_os_free(data);
+ acpi_walk_resources(obj, METHOD_NAME__CRS, find_csr_space, &space);
+ if (!space.length)
+ return AE_NOT_FOUND;
+ *base = space.base;
+ *length = space.length;
return AE_OK;
}
+acpi_status hp_acpi_csr_space(acpi_handle obj, u64 *csr_base, u64 *csr_length)
+{
+ acpi_status status;
+
+ status = hp_ccsr_locate(obj, csr_base, csr_length);
+ if (ACPI_SUCCESS(status))
+ return status;
+
+ return hp_crs_locate(obj, csr_base, csr_length);
+}
EXPORT_SYMBOL(hp_acpi_csr_space);
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 750e8e7fbdc..6e16f6b35bd 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1606,5 +1606,8 @@ sys_call_table:
data8 sys_ni_syscall // 1295 reserved for ppoll
data8 sys_unshare
data8 sys_splice
+ data8 sys_set_robust_list
+ data8 sys_get_robust_list
+ data8 sys_sync_file_range // 1300
.org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 8963171788d..5e6fdbe78bc 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -581,10 +581,12 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg, struct pt_regs *regs)
{
unsigned long flags;
int cpu = smp_processor_id();
+ struct ia64_mca_notify_die nd =
+ { .sos = NULL, .monarch_cpu = &monarch_cpu };
/* Mask all interrupts */
local_irq_save(flags);
- if (notify_die(DIE_MCA_RENDZVOUS_ENTER, "MCA", regs, 0, 0, 0)
+ if (notify_die(DIE_MCA_RENDZVOUS_ENTER, "MCA", regs, (long)&nd, 0, 0)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
@@ -594,7 +596,7 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg, struct pt_regs *regs)
*/
ia64_sal_mc_rendez();
- if (notify_die(DIE_MCA_RENDZVOUS_PROCESS, "MCA", regs, 0, 0, 0)
+ if (notify_die(DIE_MCA_RENDZVOUS_PROCESS, "MCA", regs, (long)&nd, 0, 0)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
@@ -602,7 +604,7 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg, struct pt_regs *regs)
while (monarch_cpu != -1)
cpu_relax(); /* spin until monarch leaves */
- if (notify_die(DIE_MCA_RENDZVOUS_LEAVE, "MCA", regs, 0, 0, 0)
+ if (notify_die(DIE_MCA_RENDZVOUS_LEAVE, "MCA", regs, (long)&nd, 0, 0)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
@@ -1023,6 +1025,8 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
&sos->proc_state_param;
int recover, cpu = smp_processor_id();
task_t *previous_current;
+ struct ia64_mca_notify_die nd =
+ { .sos = sos, .monarch_cpu = &monarch_cpu };
oops_in_progress = 1; /* FIXME: make printk NMI/MCA/INIT safe */
console_loglevel = 15; /* make sure printks make it to console */
@@ -1031,7 +1035,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
previous_current = ia64_mca_modify_original_stack(regs, sw, sos, "MCA");
monarch_cpu = cpu;
- if (notify_die(DIE_MCA_MONARCH_ENTER, "MCA", regs, 0, 0, 0)
+ if (notify_die(DIE_MCA_MONARCH_ENTER, "MCA", regs, (long)&nd, 0, 0)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
ia64_wait_for_slaves(cpu);
@@ -1043,7 +1047,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
* spinning in SAL does not work.
*/
ia64_mca_wakeup_all();
- if (notify_die(DIE_MCA_MONARCH_PROCESS, "MCA", regs, 0, 0, 0)
+ if (notify_die(DIE_MCA_MONARCH_PROCESS, "MCA", regs, (long)&nd, 0, 0)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
@@ -1064,7 +1068,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
ia64_sal_clear_state_info(SAL_INFO_TYPE_MCA);
sos->os_status = IA64_MCA_CORRECTED;
}
- if (notify_die(DIE_MCA_MONARCH_LEAVE, "MCA", regs, 0, 0, recover)
+ if (notify_die(DIE_MCA_MONARCH_LEAVE, "MCA", regs, (long)&nd, 0, recover)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
@@ -1351,10 +1355,14 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
static atomic_t monarchs;
task_t *previous_current;
int cpu = smp_processor_id();
+ struct ia64_mca_notify_die nd =
+ { .sos = sos, .monarch_cpu = &monarch_cpu };
oops_in_progress = 1; /* FIXME: make printk NMI/MCA/INIT safe */
console_loglevel = 15; /* make sure printks make it to console */
+ (void) notify_die(DIE_INIT_ENTER, "INIT", regs, (long)&nd, 0, 0);
+
printk(KERN_INFO "Entered OS INIT handler. PSP=%lx cpu=%d monarch=%ld\n",
sos->proc_state_param, cpu, sos->monarch);
salinfo_log_wakeup(SAL_INFO_TYPE_INIT, NULL, 0, 0);
@@ -1390,15 +1398,15 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_INIT;
while (monarch_cpu == -1)
cpu_relax(); /* spin until monarch enters */
- if (notify_die(DIE_INIT_SLAVE_ENTER, "INIT", regs, 0, 0, 0)
+ if (notify_die(DIE_INIT_SLAVE_ENTER, "INIT", regs, (long)&nd, 0, 0)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
- if (notify_die(DIE_INIT_SLAVE_PROCESS, "INIT", regs, 0, 0, 0)
+ if (notify_die(DIE_INIT_SLAVE_PROCESS, "INIT", regs, (long)&nd, 0, 0)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
while (monarch_cpu != -1)
cpu_relax(); /* spin until monarch leaves */
- if (notify_die(DIE_INIT_SLAVE_LEAVE, "INIT", regs, 0, 0, 0)
+ if (notify_die(DIE_INIT_SLAVE_LEAVE, "INIT", regs, (long)&nd, 0, 0)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
printk("Slave on cpu %d returning to normal service.\n", cpu);
@@ -1409,7 +1417,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
}
monarch_cpu = cpu;
- if (notify_die(DIE_INIT_MONARCH_ENTER, "INIT", regs, 0, 0, 0)
+ if (notify_die(DIE_INIT_MONARCH_ENTER, "INIT", regs, (long)&nd, 0, 0)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
@@ -1426,10 +1434,10 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
* to default_monarch_init_process() above and just print all the
* tasks.
*/
- if (notify_die(DIE_INIT_MONARCH_PROCESS, "INIT", regs, 0, 0, 0)
+ if (notify_die(DIE_INIT_MONARCH_PROCESS, "INIT", regs, (long)&nd, 0, 0)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
- if (notify_die(DIE_INIT_MONARCH_LEAVE, "INIT", regs, 0, 0, 0)
+ if (notify_die(DIE_INIT_MONARCH_LEAVE, "INIT", regs, (long)&nd, 0, 0)
== NOTIFY_STOP)
ia64_mca_spin(__FUNCTION__);
printk("\nINIT dump complete. Monarch on cpu %d returning to normal service.\n", cpu);
@@ -1631,6 +1639,7 @@ ia64_mca_init(void)
printk(KERN_INFO "Increasing MCA rendezvous timeout from "
"%ld to %ld milliseconds\n", timeout, isrv.v0);
timeout = isrv.v0;
+ (void) notify_die(DIE_MCA_NEW_TIMEOUT, "MCA", NULL, timeout, 0, 0);
continue;
}
printk(KERN_ERR "Failed to register rendezvous interrupt "
diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S
index 60a464bfd9e..6dff024cd62 100644
--- a/arch/ia64/kernel/mca_asm.S
+++ b/arch/ia64/kernel/mca_asm.S
@@ -827,7 +827,7 @@ ia64_state_restore:
ld8 r9=[temp2],16 // sal_gp
;;
ld8 r22=[temp1],16 // pal_min_state, virtual
- ld8 r21=[temp2],16 // prev_IA64_KR_CURRENT
+ ld8 r13=[temp2],16 // prev_IA64_KR_CURRENT
;;
ld8 r16=[temp1],16 // prev_IA64_KR_CURRENT_STACK
ld8 r20=[temp2],16 // prev_task
@@ -848,7 +848,7 @@ ia64_state_restore:
mov cr.iim=temp3
mov cr.iha=temp4
dep r22=0,r22,62,1 // pal_min_state, physical, uncached
- mov IA64_KR(CURRENT)=r21
+ mov IA64_KR(CURRENT)=r13
ld8 r8=[temp1] // os_status
ld8 r10=[temp2] // context
@@ -856,7 +856,7 @@ ia64_state_restore:
* avoid any dependencies on the algorithm in ia64_switch_to(), just
* purge any existing CURRENT_STACK mapping and insert the new one.
*
- * r16 contains prev_IA64_KR_CURRENT_STACK, r21 contains
+ * r16 contains prev_IA64_KR_CURRENT_STACK, r13 contains
* prev_IA64_KR_CURRENT, these values may have been changed by the C
* code. Do not use r8, r9, r10, r22, they contain values ready for
* the return to SAL.
@@ -873,7 +873,7 @@ ia64_state_restore:
;;
srlz.d
- extr.u r19=r21,61,3 // r21 = prev_IA64_KR_CURRENT
+ extr.u r19=r13,61,3 // r13 = prev_IA64_KR_CURRENT
shl r20=r16,IA64_GRANULE_SHIFT // r16 = prev_IA64_KR_CURRENT_STACK
movl r21=PAGE_KERNEL // page properties
;;
@@ -883,7 +883,7 @@ ia64_state_restore:
(p6) br.spnt 1f // the dreaded cpu 0 idle task in region 5:(
;;
mov cr.itir=r18
- mov cr.ifa=r21
+ mov cr.ifa=r13
mov r20=IA64_TR_CURRENT_STACK
;;
itr.d dtr[r20]=r21
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 7a2f0a798d1..3a30cfc9574 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -947,7 +947,7 @@ void
percpu_modcopy (void *pcpudst, const void *src, unsigned long size)
{
unsigned int i;
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
memcpy(pcpudst + __per_cpu_offset[i], src, size);
}
}
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index af7eb087dca..d98ec49570b 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -60,6 +60,9 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
struct siginfo si;
unsigned long mask;
+ /* mmap_sem is performance critical.... */
+ prefetchw(&mm->mmap_sem);
+
/*
* If we're in an interrupt or have no user context, we must not take the fault..
*/
diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c
index d0abddd9ffe..8255a9be463 100644
--- a/arch/ia64/sn/kernel/xpc_channel.c
+++ b/arch/ia64/sn/kernel/xpc_channel.c
@@ -1831,7 +1831,7 @@ xpc_initiate_allocate(partid_t partid, int ch_number, u32 flags, void **payload)
{
struct xpc_partition *part = &xpc_partitions[partid];
enum xpc_retval ret = xpcUnknownReason;
- struct xpc_msg *msg;
+ struct xpc_msg *msg = NULL;
DBUG_ON(partid <= 0 || partid >= XP_MAX_PARTITIONS);
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index 05c864c6c2d..41fd490af3b 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -285,6 +285,11 @@ config NUMA
depends on SMP && BROKEN
default n
+config NODES_SHIFT
+ int
+ default "1"
+ depends on NEED_MULTIPLE_NODES
+
# turning this on wastes a bunch of space.
# Summit needs it only when NUMA is on
config BOOT_IOREMAP
diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c
index be8b711367e..c50330fa83b 100644
--- a/arch/m32r/kernel/m32r_ksyms.c
+++ b/arch/m32r/kernel/m32r_ksyms.c
@@ -23,9 +23,6 @@ EXPORT_SYMBOL(boot_cpu_data);
EXPORT_SYMBOL(dump_fpu);
EXPORT_SYMBOL(__ioremap);
EXPORT_SYMBOL(iounmap);
-EXPORT_SYMBOL(enable_irq);
-EXPORT_SYMBOL(disable_irq);
-EXPORT_SYMBOL(disable_irq_nosync);
EXPORT_SYMBOL(kernel_thread);
EXPORT_SYMBOL(__down);
EXPORT_SYMBOL(__down_interruptible);
@@ -38,13 +35,6 @@ EXPORT_SYMBOL(__udelay);
EXPORT_SYMBOL(__delay);
EXPORT_SYMBOL(__const_udelay);
-EXPORT_SYMBOL(__get_user_1);
-EXPORT_SYMBOL(__get_user_2);
-EXPORT_SYMBOL(__get_user_4);
-
-EXPORT_SYMBOL(strpbrk);
-EXPORT_SYMBOL(strstr);
-
EXPORT_SYMBOL(strncpy_from_user);
EXPORT_SYMBOL(__strncpy_from_user);
EXPORT_SYMBOL(clear_user);
@@ -59,11 +49,8 @@ extern void *dcache_dummy;
EXPORT_SYMBOL(dcache_dummy);
#endif
EXPORT_SYMBOL(cpu_data);
-EXPORT_SYMBOL(cpu_online_map);
-EXPORT_SYMBOL(cpu_callout_map);
/* Global SMP stuff */
-EXPORT_SYMBOL(synchronize_irq);
EXPORT_SYMBOL(smp_call_function);
/* TLB flushing */
@@ -83,27 +70,11 @@ EXPORT_SYMBOL(__lshrdi3);
EXPORT_SYMBOL(__muldi3);
/* memory and string operations */
-EXPORT_SYMBOL(memchr);
EXPORT_SYMBOL(memcpy);
-/* EXPORT_SYMBOL(memcpy_fromio); // not implement yet */
-/* EXPORT_SYMBOL(memcpy_toio); // not implement yet */
EXPORT_SYMBOL(memset);
-/* EXPORT_SYMBOL(memset_io); // not implement yet */
-EXPORT_SYMBOL(memmove);
-EXPORT_SYMBOL(memcmp);
-EXPORT_SYMBOL(memscan);
EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(clear_page);
-
-EXPORT_SYMBOL(strcat);
-EXPORT_SYMBOL(strchr);
-EXPORT_SYMBOL(strcmp);
-EXPORT_SYMBOL(strcpy);
EXPORT_SYMBOL(strlen);
-EXPORT_SYMBOL(strncat);
-EXPORT_SYMBOL(strncmp);
-EXPORT_SYMBOL(strnlen);
-EXPORT_SYMBOL(strncpy);
EXPORT_SYMBOL(_inb);
EXPORT_SYMBOL(_inw);
diff --git a/arch/m32r/kernel/setup.c b/arch/m32r/kernel/setup.c
index 0d78942b4c7..3cd3c2988a4 100644
--- a/arch/m32r/kernel/setup.c
+++ b/arch/m32r/kernel/setup.c
@@ -9,6 +9,7 @@
#include <linux/config.h>
#include <linux/init.h>
+#include <linux/kernel.h>
#include <linux/stddef.h>
#include <linux/fs.h>
#include <linux/sched.h>
@@ -219,8 +220,6 @@ static unsigned long __init setup_memory(void)
extern unsigned long setup_memory(void);
#endif /* CONFIG_DISCONTIGMEM */
-#define M32R_PCC_PCATCR 0x00ef7014 /* will move to m32r.h */
-
void __init setup_arch(char **cmdline_p)
{
ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
@@ -269,15 +268,14 @@ void __init setup_arch(char **cmdline_p)
paging_init();
}
-static struct cpu cpu[NR_CPUS];
+static struct cpu cpu_devices[NR_CPUS];
static int __init topology_init(void)
{
- int cpu_id;
+ int i;
- for (cpu_id = 0; cpu_id < NR_CPUS; cpu_id++)
- if (cpu_possible(cpu_id))
- register_cpu(&cpu[cpu_id], cpu_id, NULL);
+ for_each_present_cpu(i)
+ register_cpu(&cpu_devices[i], i, NULL);
return 0;
}
diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c
index d7ec16e7fb2..840b4348bf0 100644
--- a/arch/m32r/kernel/smpboot.c
+++ b/arch/m32r/kernel/smpboot.c
@@ -39,8 +39,10 @@
* Martin J. Bligh : Added support for multi-quad systems
*/
+#include <linux/module.h>
#include <linux/config.h>
#include <linux/init.h>
+#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/smp_lock.h>
#include <linux/irq.h>
@@ -72,11 +74,15 @@ physid_mask_t phys_cpu_present_map;
/* Bitmask of currently online CPUs */
cpumask_t cpu_online_map;
+EXPORT_SYMBOL(cpu_online_map);
cpumask_t cpu_bootout_map;
cpumask_t cpu_bootin_map;
-cpumask_t cpu_callout_map;
static cpumask_t cpu_callin_map;
+cpumask_t cpu_callout_map;
+EXPORT_SYMBOL(cpu_callout_map);
+cpumask_t cpu_possible_map = CPU_MASK_ALL;
+EXPORT_SYMBOL(cpu_possible_map);
/* Per CPU bogomips and other parameters */
struct cpuinfo_m32r cpu_data[NR_CPUS] __cacheline_aligned;
@@ -110,7 +116,6 @@ static unsigned int calibration_result;
void smp_prepare_boot_cpu(void);
void smp_prepare_cpus(unsigned int);
-static void smp_tune_scheduling(void);
static void init_ipi_lock(void);
static void do_boot_cpu(int);
int __cpu_up(unsigned int);
@@ -177,6 +182,9 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
}
for (phys_id = 0 ; phys_id < nr_cpu ; phys_id++)
physid_set(phys_id, phys_cpu_present_map);
+#ifndef CONFIG_HOTPLUG_CPU
+ cpu_present_map = cpu_possible_map;
+#endif
show_mp_info(nr_cpu);
@@ -186,7 +194,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
* Setup boot CPU information
*/
smp_store_cpu_info(0); /* Final full version of the data */
- smp_tune_scheduling();
/*
* If SMP should be disabled, then really disable it!
@@ -230,11 +237,6 @@ smp_done:
Dprintk("Boot done.\n");
}
-static void __init smp_tune_scheduling(void)
-{
- /* Nothing to do. */
-}
-
/*
* init_ipi_lock : Initialize IPI locks.
*/
@@ -629,4 +631,3 @@ static void __init unmap_cpu_to_physid(int cpu_id, int phys_id)
physid_2_cpu[phys_id] = -1;
cpu_2_physid[cpu_id] = -1;
}
-
diff --git a/arch/m32r/lib/Makefile b/arch/m32r/lib/Makefile
index e632d10c7d7..d16b4e40d1a 100644
--- a/arch/m32r/lib/Makefile
+++ b/arch/m32r/lib/Makefile
@@ -2,6 +2,6 @@
# Makefile for M32R-specific library files..
#
-lib-y := checksum.o ashxdi3.o memset.o memcpy.o getuser.o \
- putuser.o delay.o strlen.o usercopy.o csum_partial_copy.o
+lib-y := checksum.o ashxdi3.o memset.o memcpy.o \
+ delay.o strlen.o usercopy.o csum_partial_copy.o
diff --git a/arch/m32r/lib/getuser.S b/arch/m32r/lib/getuser.S
deleted file mode 100644
index 58a0db055c5..00000000000
--- a/arch/m32r/lib/getuser.S
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * __get_user functions.
- *
- * (C) Copyright 2001 Hirokazu Takata
- *
- * These functions have a non-standard call interface
- * to make them more efficient, especially as they
- * return an error value in addition to the "real"
- * return value.
- */
-
-#include <linux/config.h>
-
-/*
- * __get_user_X
- *
- * Inputs: r0 contains the address
- *
- * Outputs: r0 is error code (0 or -EFAULT)
- * r1 contains zero-extended value
- *
- * These functions should not modify any other registers,
- * as they get called from within inline assembly.
- */
-
-#ifdef CONFIG_ISA_DUAL_ISSUE
-
- .text
- .balign 4
- .globl __get_user_1
-__get_user_1:
-1: ldub r1, @r0 || ldi r0, #0
- jmp r14
-
- .balign 4
- .globl __get_user_2
-__get_user_2:
-2: lduh r1, @r0 || ldi r0, #0
- jmp r14
-
- .balign 4
- .globl __get_user_4
-__get_user_4:
-3: ld r1, @r0 || ldi r0, #0
- jmp r14
-
-bad_get_user:
- ldi r1, #0 || ldi r0, #-14
- jmp r14
-
-#else /* not CONFIG_ISA_DUAL_ISSUE */
-
- .text
- .balign 4
- .globl __get_user_1
-__get_user_1:
-1: ldub r1, @r0
- ldi r0, #0
- jmp r14
-
- .balign 4
- .globl __get_user_2
-__get_user_2:
-2: lduh r1, @r0
- ldi r0, #0
- jmp r14
-
- .balign 4
- .globl __get_user_4
-__get_user_4:
-3: ld r1, @r0
- ldi r0, #0
- jmp r14
-
-bad_get_user:
- ldi r1, #0
- ldi r0, #-14
- jmp r14
-
-#endif /* not CONFIG_ISA_DUAL_ISSUE */
-
-.section __ex_table,"a"
- .long 1b,bad_get_user
- .long 2b,bad_get_user
- .long 3b,bad_get_user
-.previous
-
- .end
diff --git a/arch/m32r/lib/putuser.S b/arch/m32r/lib/putuser.S
deleted file mode 100644
index 218154cc389..00000000000
--- a/arch/m32r/lib/putuser.S
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * __put_user functions.
- *
- * (C) Copyright 1998 Linus Torvalds
- * (C) Copyright 2001 Hirokazu Takata
- *
- * These functions have a non-standard call interface
- * to make them more efficient.
- */
-
-#include <linux/config.h>
-
-/*
- * __put_user_X
- *
- * Inputs: r0 contains the address
- * r1 contains the value
- *
- * Outputs: r0 is error code (0 or -EFAULT)
- * r1 is corrupted (will contain "current_task").
- *
- * These functions should not modify any other registers,
- * as they get called from within inline assembly.
- */
-
-#ifdef CONFIG_ISA_DUAL_ISSUE
-
- .text
- .balign 4
- .globl __put_user_1
-__put_user_1:
-1: stb r1, @r0 || ldi r0, #0
- jmp r14
-
- .balign 4
- .globl __put_user_2
-__put_user_2:
-2: sth r1, @r0 || ldi r0, #0
- jmp r14
-
- .balign 4
- .globl __put_user_4
-__put_user_4:
-3: st r1, @r0 || ldi r0, #0
- jmp r14
-
-bad_put_user:
- ldi r0, #-14 || jmp r14
-
-#else /* not CONFIG_ISA_DUAL_ISSUE */
-
- .text
- .balign 4
- .globl __put_user_1
-__put_user_1:
-1: stb r1, @r0
- ldi r0, #0
- jmp r14
-
- .balign 4
- .globl __put_user_2
-__put_user_2:
-2: sth r1, @r0
- ldi r0, #0
- jmp r14
-
- .balign 4
- .globl __put_user_4
-__put_user_4:
-3: st r1, @r0
- ldi r0, #0
- jmp r14
-
-bad_put_user:
- ldi r0, #-14
- jmp r14
-
-#endif /* not CONFIG_ISA_DUAL_ISSUE */
-
-.section __ex_table,"a"
- .long 1b,bad_put_user
- .long 2b,bad_put_user
- .long 3b,bad_put_user
-.previous
diff --git a/arch/m68k/kernel/m68k_ksyms.c b/arch/m68k/kernel/m68k_ksyms.c
index c3319514a85..5b7952ea2ba 100644
--- a/arch/m68k/kernel/m68k_ksyms.c
+++ b/arch/m68k/kernel/m68k_ksyms.c
@@ -57,7 +57,6 @@ EXPORT_SYMBOL(dump_thread);
EXPORT_SYMBOL(strnlen);
EXPORT_SYMBOL(strrchr);
EXPORT_SYMBOL(strstr);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(enable_irq);
EXPORT_SYMBOL(disable_irq);
EXPORT_SYMBOL(kernel_thread);
diff --git a/arch/m68knommu/kernel/m68k_ksyms.c b/arch/m68knommu/kernel/m68k_ksyms.c
index f9b4ea16c09..4320d5dcc9c 100644
--- a/arch/m68knommu/kernel/m68k_ksyms.c
+++ b/arch/m68knommu/kernel/m68k_ksyms.c
@@ -26,7 +26,6 @@ EXPORT_SYMBOL(__ioremap);
EXPORT_SYMBOL(iounmap);
EXPORT_SYMBOL(dump_fpu);
EXPORT_SYMBOL(strnlen);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strrchr);
EXPORT_SYMBOL(strstr);
EXPORT_SYMBOL(strchr);
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index e15709ce886..7aec60d4042 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1590,6 +1590,11 @@ config ARCH_FLATMEM_ENABLE
def_bool y
depends on !NUMA
+config NODES_SHIFT
+ int
+ default "6"
+ depends on NEED_MULTIPLE_NODES
+
source "mm/Kconfig"
config SMP
diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c
index 86e42c633f7..e042f9d2ba3 100644
--- a/arch/mips/kernel/mips_ksyms.c
+++ b/arch/mips/kernel/mips_ksyms.c
@@ -39,7 +39,6 @@ EXPORT_SYMBOL(strchr);
EXPORT_SYMBOL(strncmp);
#endif
EXPORT_SYMBOL(strlen);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strncat);
EXPORT_SYMBOL(strnlen);
EXPORT_SYMBOL(strrchr);
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 2fdf21989dc..19f911c5dd5 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -177,6 +177,11 @@ config ARCH_DISCONTIGMEM_DEFAULT
def_bool y
depends on ARCH_DISCONTIGMEM_ENABLE
+config NODES_SHIFT
+ int
+ default "3"
+ depends on NEED_MULTIPLE_NODES
+
source "kernel/Kconfig.preempt"
source "kernel/Kconfig.hz"
source "mm/Kconfig"
diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c
index 47ca5c0a323..fc107add627 100644
--- a/arch/parisc/kernel/parisc_ksyms.c
+++ b/arch/parisc/kernel/parisc_ksyms.c
@@ -31,7 +31,6 @@
#include <linux/string.h>
EXPORT_SYMBOL(memset);
-EXPORT_SYMBOL(strpbrk);
#include <asm/atomic.h>
EXPORT_SYMBOL(__xchg8);
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 2cdc35ce804..167e70e9555 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -649,6 +649,11 @@ config NUMA
depends on PPC64
default y if SMP && PPC_PSERIES
+config NODES_SHIFT
+ int
+ default "4"
+ depends on NEED_MULTIPLE_NODES
+
config ARCH_SELECT_MEMORY_MODEL
def_bool y
depends on PPC64
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 6c6b197898d..7bb16fb97d4 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -67,7 +67,6 @@ cflags-$(CONFIG_WARN_STACK) += -mwarn-framesize=$(CONFIG_WARN_STACK_SIZE)
endif
CFLAGS += -mbackchain -msoft-float $(cflags-y)
-CFLAGS += $(call cc-option,-finline-limit=10000)
CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare
AFLAGS += $(aflags-y)
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index f8d0cd540a0..f4dfc10026d 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,10 +1,11 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2
-# Wed Feb 8 10:44:39 2006
+# Linux kernel version: 2.6.17-rc1
+# Mon Apr 3 14:34:15 2006
#
CONFIG_MMU=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_S390=y
@@ -30,8 +31,8 @@ CONFIG_AUDIT=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
# CONFIG_CPUSETS is not set
+# CONFIG_RELAY is not set
CONFIG_INITRAMFS_SOURCE=""
-CONFIG_UID16=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
# CONFIG_EMBEDDED is not set
CONFIG_KALLSYMS=y
@@ -45,10 +46,6 @@ CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=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
@@ -60,7 +57,6 @@ CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
CONFIG_MODVERSIONS=y
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_KMOD=y
@@ -69,7 +65,7 @@ CONFIG_STOP_MACHINE=y
#
# Block layer
#
-# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
#
# IO Schedulers
@@ -91,17 +87,20 @@ CONFIG_DEFAULT_IOSCHED="deadline"
#
# Processor type and features
#
-# CONFIG_64BIT is not set
+CONFIG_64BIT=y
CONFIG_SMP=y
CONFIG_NR_CPUS=32
CONFIG_HOTPLUG_CPU=y
-CONFIG_MATHEMU=y
+CONFIG_DEFAULT_MIGRATION_COST=1000000
+CONFIG_COMPAT=y
+CONFIG_SYSVIPC_COMPAT=y
+CONFIG_BINFMT_ELF32=y
#
# Code generation options
#
-CONFIG_MARCH_G5=y
-# CONFIG_MARCH_Z900 is not set
+# CONFIG_MARCH_G5 is not set
+CONFIG_MARCH_Z900=y
# CONFIG_MARCH_Z990 is not set
CONFIG_PACK_STACK=y
# CONFIG_SMALL_STACK is not set
@@ -143,7 +142,7 @@ CONFIG_VIRT_CPU_ACCOUNTING=y
# CONFIG_APPLDATA_BASE is not set
CONFIG_NO_IDLE_HZ=y
CONFIG_NO_IDLE_HZ_INIT=y
-# CONFIG_KEXEC is not set
+CONFIG_KEXEC=y
#
# Networking
@@ -173,6 +172,7 @@ CONFIG_IP_FIB_HASH=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
@@ -180,9 +180,11 @@ CONFIG_INET_TCP_DIAG=y
CONFIG_TCP_CONG_BIC=y
CONFIG_IPV6=y
# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
# CONFIG_INET6_AH is not set
# CONFIG_INET6_ESP is not set
# CONFIG_INET6_IPCOMP is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
# CONFIG_IPV6_TUNNEL is not set
# CONFIG_NETFILTER is not set
@@ -276,6 +278,11 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
# CONFIG_DEBUG_DRIVER is not set
#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
+#
# SCSI device support
#
# CONFIG_RAID_ATTRS is not set
@@ -340,8 +347,7 @@ CONFIG_DASD_PROFILE=y
CONFIG_DASD_ECKD=y
CONFIG_DASD_FBA=y
CONFIG_DASD_DIAG=y
-CONFIG_DASD_EER=m
-# CONFIG_DASD_CMB is not set
+CONFIG_DASD_EER=y
# CONFIG_ATA_OVER_ETH is not set
#
@@ -354,6 +360,7 @@ CONFIG_MD_RAID0=m
CONFIG_MD_RAID1=m
# CONFIG_MD_RAID10 is not set
CONFIG_MD_RAID5=m
+# CONFIG_MD_RAID5_RESHAPE is not set
# CONFIG_MD_RAID6 is not set
CONFIG_MD_MULTIPATH=m
# CONFIG_MD_FAULTY is not set
@@ -404,6 +411,7 @@ CONFIG_S390_TAPE_BLOCK=y
# S/390 tape hardware support
#
CONFIG_S390_TAPE_34XX=m
+# CONFIG_S390_TAPE_3590 is not set
# CONFIG_VMLOGRDR is not set
# CONFIG_VMCP is not set
# CONFIG_MONREADER is not set
@@ -529,7 +537,6 @@ CONFIG_SYSFS=y
CONFIG_TMPFS=y
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y
-# CONFIG_RELAYFS_FS is not set
# CONFIG_CONFIGFS_FS is not set
#
@@ -619,14 +626,15 @@ CONFIG_LOG_BUF_SHIFT=17
# CONFIG_DETECT_SOFTLOCKUP is not set
# CONFIG_SCHEDSTATS is not set
# CONFIG_DEBUG_SLAB is not set
-# CONFIG_DEBUG_PREEMPT is not set
+CONFIG_DEBUG_PREEMPT=y
CONFIG_DEBUG_MUTEXES=y
-# CONFIG_DEBUG_SPINLOCK is not set
-# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+CONFIG_DEBUG_SPINLOCK=y
+CONFIG_DEBUG_SPINLOCK_SLEEP=y
# CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_INFO is not set
CONFIG_DEBUG_FS=y
# CONFIG_DEBUG_VM is not set
+# CONFIG_UNWIND_INFO is not set
CONFIG_FORCED_INLINING=y
# CONFIG_RCU_TORTURE_TEST is not set
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 58583f45947..2bcecf42257 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -527,6 +527,11 @@ config CPU_HAS_SR_RB
See <file:Documentation/sh/register-banks.txt> for further
information on SR.RB and register banking in the kernel in general.
+config NODES_SHIFT
+ int
+ default "1"
+ depends on NEED_MULTIPLE_NODES
+
endmenu
menu "Boot options"
diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c
index 1cf94a618be..d5d032533a8 100644
--- a/arch/sh/kernel/sh_ksyms.c
+++ b/arch/sh/kernel/sh_ksyms.c
@@ -37,7 +37,6 @@ EXPORT_SYMBOL(disable_irq_nosync);
EXPORT_SYMBOL(irq_desc);
EXPORT_SYMBOL(no_irq_type);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strstr);
EXPORT_SYMBOL(strlen);
EXPORT_SYMBOL(strnlen);
diff --git a/arch/sh64/kernel/sh_ksyms.c b/arch/sh64/kernel/sh_ksyms.c
index de29c45f23a..6f3a1c94633 100644
--- a/arch/sh64/kernel/sh_ksyms.c
+++ b/arch/sh64/kernel/sh_ksyms.c
@@ -41,7 +41,6 @@ EXPORT_SYMBOL(kernel_thread);
/* Networking helper routines. */
EXPORT_SYMBOL(csum_partial_copy);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strstr);
#ifdef CONFIG_VT
diff --git a/arch/sparc/kernel/smp.c b/arch/sparc/kernel/smp.c
index 2be81211519..a93f5da6855 100644
--- a/arch/sparc/kernel/smp.c
+++ b/arch/sparc/kernel/smp.c
@@ -244,7 +244,7 @@ int setup_profiling_timer(unsigned int multiplier)
return -EINVAL;
spin_lock_irqsave(&prof_setup_lock, flags);
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
load_profile_irq(i, lvl14_resolution / multiplier);
prof_multiplier(i) = multiplier;
}
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index 2c21d790763..ec1c9687d67 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -263,7 +263,6 @@ EXPORT_SYMBOL(strcmp);
EXPORT_SYMBOL(strncmp);
EXPORT_SYMBOL(strchr);
EXPORT_SYMBOL(strrchr);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strstr);
EXPORT_SYMBOL(page_kernel);
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index d1e2fc56648..648047a0bce 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -194,6 +194,9 @@ endchoice
endmenu
+config ARCH_SELECT_MEMORY_MODEL
+ def_bool y
+
config ARCH_SPARSEMEM_ENABLE
def_bool y
diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig
index 30389085a35..1317380fa93 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
-# Fri Mar 31 01:40:57 2006
+# Sun Apr 2 19:31:04 2006
#
CONFIG_SPARC=y
CONFIG_SPARC64=y
@@ -838,7 +838,6 @@ CONFIG_FB_TILEBLITTING=y
# CONFIG_FB_NVIDIA is not set
# CONFIG_FB_RIVA is not set
# CONFIG_FB_MATROX is not set
-# CONFIG_FB_RADEON_OLD is not set
CONFIG_FB_RADEON=y
CONFIG_FB_RADEON_I2C=y
# CONFIG_FB_RADEON_DEBUG is not set
@@ -924,6 +923,7 @@ CONFIG_SND_MTPAV=m
# PCI devices
#
# CONFIG_SND_AD1889 is not set
+# CONFIG_SND_ALS300 is not set
CONFIG_SND_ALI5451=m
# CONFIG_SND_ATIIXP is not set
# CONFIG_SND_ATIIXP_MODEM is not set
@@ -955,6 +955,7 @@ CONFIG_SND_ALI5451=m
# CONFIG_SND_MIXART is not set
# CONFIG_SND_NM256 is not set
# CONFIG_SND_PCXHR is not set
+# CONFIG_SND_RIPTIDE is not set
# CONFIG_SND_RME32 is not set
# CONFIG_SND_RME96 is not set
# CONFIG_SND_RME9652 is not set
@@ -1109,6 +1110,11 @@ CONFIG_USB_HIDDEV=y
# CONFIG_MMC is not set
#
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
# InfiniBand support
#
# CONFIG_INFINIBAND is not set
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 9372d4f376d..9e94db2573a 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -1092,7 +1092,7 @@ void sun4v_pci_init(int node, char *model_name)
}
}
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
unsigned long page = get_zeroed_page(GFP_ATOMIC);
if (!page)
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index eb93e9c5284..49e6dedd027 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -244,6 +244,13 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
}
switch(request) {
+ case PTRACE_PEEKUSR:
+ if (addr != 0)
+ pt_error_return(regs, EIO);
+ else
+ pt_succ_return(regs, 0);
+ goto out_tsk;
+
case PTRACE_PEEKTEXT: /* read word at location addr. */
case PTRACE_PEEKDATA: {
unsigned long tmp64;
@@ -602,6 +609,22 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
/* PTRACE_DUMPCORE unsupported... */
+ case PTRACE_GETEVENTMSG: {
+ int err;
+
+ if (test_thread_flag(TIF_32BIT))
+ err = put_user(child->ptrace_message,
+ (unsigned int __user *) data);
+ else
+ err = put_user(child->ptrace_message,
+ (unsigned long __user *) data);
+ if (err)
+ pt_error_return(regs, -err);
+ else
+ pt_succ_return(regs, 0);
+ break;
+ }
+
default: {
int err = ptrace_request(child, request, addr, data);
if (err)
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 7d0e67c1ce5..005167f8241 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -535,7 +535,7 @@ static int __init topology_init(void)
while (!cpu_find_by_instance(ncpus_probed, NULL, NULL))
ncpus_probed++;
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
struct cpu *p = kzalloc(sizeof(*p), GFP_KERNEL);
if (p) {
register_cpu(p, i, NULL);
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 8175a6968c6..90eaca3ec9a 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -745,12 +745,21 @@ struct call_data_struct {
int wait;
};
-static DEFINE_SPINLOCK(call_lock);
+static __cacheline_aligned_in_smp DEFINE_SPINLOCK(call_lock);
static struct call_data_struct *call_data;
extern unsigned long xcall_call_function;
-/*
+/**
+ * smp_call_function(): Run a function on all other CPUs.
+ * @func: The function to run. This must be fast and non-blocking.
+ * @info: An arbitrary pointer to pass to the function.
+ * @nonatomic: currently unused.
+ * @wait: If true, wait (atomically) until function has completed on other CPUs.
+ *
+ * Returns 0 on success, else a negative status code. Does not return until
+ * remote CPUs are nearly ready to execute <<func>> or are or have executed.
+ *
* You must not call this function with disabled interrupts or from a
* hardware interrupt handler or from a bottom half handler.
*/
@@ -759,7 +768,6 @@ static int smp_call_function_mask(void (*func)(void *info), void *info,
{
struct call_data_struct data;
int cpus;
- long timeout;
/* Can deadlock when called with interrupts disabled */
WARN_ON(irqs_disabled());
@@ -777,31 +785,18 @@ static int smp_call_function_mask(void (*func)(void *info), void *info,
goto out_unlock;
call_data = &data;
+ mb();
smp_cross_call_masked(&xcall_call_function, 0, 0, 0, mask);
- /*
- * Wait for other cpus to complete function or at
- * least snap the call data.
- */
- timeout = 1000000;
- while (atomic_read(&data.finished) != cpus) {
- if (--timeout <= 0)
- goto out_timeout;
- barrier();
- udelay(1);
- }
+ /* Wait for response */
+ while (atomic_read(&data.finished) != cpus)
+ cpu_relax();
out_unlock:
spin_unlock(&call_lock);
return 0;
-
-out_timeout:
- spin_unlock(&call_lock);
- printk("XCALL: Remote cpus not responding, ncpus=%d finished=%d\n",
- cpus, atomic_read(&data.finished));
- return 0;
}
int smp_call_function(void (*func)(void *info), void *info,
@@ -1285,7 +1280,7 @@ int setup_profiling_timer(unsigned int multiplier)
return -EINVAL;
spin_lock_irqsave(&prof_setup_lock, flags);
- for_each_cpu(i)
+ for_each_possible_cpu(i)
prof_multiplier(i) = multiplier;
current_tick_offset = (timer_tick_offset / multiplier);
spin_unlock_irqrestore(&prof_setup_lock, flags);
@@ -1313,12 +1308,12 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
}
}
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
if (tlb_type == hypervisor) {
int j;
/* XXX get this mapping from machine description */
- for_each_cpu(j) {
+ for_each_possible_cpu(j) {
if ((j >> 2) == (i >> 2))
cpu_set(j, cpu_sibling_map[i]);
}
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index f5e8db1de76..62d8a99271e 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -276,7 +276,6 @@ EXPORT_SYMBOL(__prom_getsibling);
EXPORT_SYMBOL(strlen);
EXPORT_SYMBOL(__strlen_user);
EXPORT_SYMBOL(__strnlen_user);
-EXPORT_SYMBOL(strpbrk);
#ifdef CONFIG_SOLARIS_EMUL_MODULE
EXPORT_SYMBOL(linux_sparc_syscall);
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index ff090bb9734..2793a5d8238 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -1130,9 +1130,9 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in
(recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(),
afsr, afar,
(afsr & CHAFSR_TL1) ? 1 : 0);
- printk("%s" "ERROR(%d): TPC[%016lx] TNPC[%016lx] TSTATE[%016lx]\n",
+ printk("%s" "ERROR(%d): TPC[%lx] TNPC[%lx] O7[%lx] TSTATE[%lx]\n",
(recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(),
- regs->tpc, regs->tnpc, regs->tstate);
+ regs->tpc, regs->tnpc, regs->u_regs[UREG_I7], regs->tstate);
printk("%s" "ERROR(%d): M_SYND(%lx), E_SYND(%lx)%s%s\n",
(recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(),
(afsr & CHAFSR_M_SYNDROME) >> CHAFSR_M_SYNDROME_SHIFT,
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 24790bed205..a508e7a0289 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -159,6 +159,7 @@ archclean:
$(SYMLINK_HEADERS):
@echo ' SYMLINK $@'
ifneq ($(KBUILD_SRC),)
+ $(Q)mkdir -p $(objtree)/include/asm-um
$(Q)ln -fsn $(srctree)/include/asm-um/$(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
else
$(Q)cd $(TOPDIR)/$(dir $@) ; \
@@ -168,7 +169,7 @@ endif
include/asm-um/arch:
@echo ' SYMLINK $@'
ifneq ($(KBUILD_SRC),)
- $(Q)mkdir -p include/asm-um
+ $(Q)mkdir -p $(objtree)/include/asm-um
$(Q)ln -fsn $(srctree)/include/asm-$(SUBARCH) include/asm-um/arch
else
$(Q)cd $(TOPDIR)/include/asm-um && ln -sf ../asm-$(SUBARCH) arch
diff --git a/arch/um/drivers/cow.h b/arch/um/drivers/cow.h
index 04e3958266e..dc36b222100 100644
--- a/arch/um/drivers/cow.h
+++ b/arch/um/drivers/cow.h
@@ -46,7 +46,7 @@ extern int file_reader(__u64 offset, char *buf, int len, void *arg);
extern int read_cow_header(int (*reader)(__u64, char *, int, void *),
void *arg, __u32 *version_out,
char **backing_file_out, time_t *mtime_out,
- __u64 *size_out, int *sectorsize_out,
+ unsigned long long *size_out, int *sectorsize_out,
__u32 *align_out, int *bitmap_offset_out);
extern int write_cow_header(char *cow_file, int fd, char *backing_file,
diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h
index 94de4ead4f7..7a5b4afde69 100644
--- a/arch/um/drivers/cow_sys.h
+++ b/arch/um/drivers/cow_sys.h
@@ -28,7 +28,7 @@ static inline int cow_seek_file(int fd, __u64 offset)
return(os_seek_file(fd, offset));
}
-static inline int cow_file_size(char *file, __u64 *size_out)
+static inline int cow_file_size(char *file, unsigned long long *size_out)
{
return(os_file_size(file, size_out));
}
diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c
index 61951b72126..0ec4052db9c 100644
--- a/arch/um/drivers/cow_user.c
+++ b/arch/um/drivers/cow_user.c
@@ -17,30 +17,34 @@
#define PATH_LEN_V1 256
+typedef __u32 time32_t;
+
struct cow_header_v1 {
- int magic;
- int version;
+ __s32 magic;
+ __s32 version;
char backing_file[PATH_LEN_V1];
- time_t mtime;
+ time32_t mtime;
__u64 size;
- int sectorsize;
-};
+ __s32 sectorsize;
+} __attribute__((packed));
-#define PATH_LEN_V2 MAXPATHLEN
+/* Define PATH_LEN_V3 as the usual value of MAXPATHLEN, just hard-code it in
+ * case other systems have different values for MAXPATHLEN.
+ *
+ * The same must hold for V2 - we want file format compatibility, not anything
+ * else.
+ */
+#define PATH_LEN_V3 4096
+#define PATH_LEN_V2 PATH_LEN_V3
struct cow_header_v2 {
__u32 magic;
__u32 version;
char backing_file[PATH_LEN_V2];
- time_t mtime;
+ time32_t mtime;
__u64 size;
- int sectorsize;
-};
-
-/* Define PATH_LEN_V3 as the usual value of MAXPATHLEN, just hard-code it in
- * case other systems have different values for MAXPATHLEN
- */
-#define PATH_LEN_V3 4096
+ __s32 sectorsize;
+} __attribute__((packed));
/* Changes from V2 -
* PATH_LEN_V3 as described above
@@ -66,6 +70,15 @@ struct cow_header_v2 {
* Fixed (finally!) the rounding bug
*/
+/* Until Dec2005, __attribute__((packed)) was left out from the below
+ * definition, leading on 64-bit systems to 4 bytes of padding after mtime, to
+ * align size to 8-byte alignment. This shifted all fields above (no padding
+ * was present on 32-bit, no other padding was added).
+ *
+ * However, this _can be detected_: it means that cow_format (always 0 until
+ * now) is shifted onto the first 4 bytes of backing_file, where it is otherwise
+ * impossible to find 4 zeros. -bb */
+
struct cow_header_v3 {
__u32 magic;
__u32 version;
@@ -75,6 +88,18 @@ struct cow_header_v3 {
__u32 alignment;
__u32 cow_format;
char backing_file[PATH_LEN_V3];
+} __attribute__((packed));
+
+/* This is the broken layout used by some 64-bit binaries. */
+struct cow_header_v3_broken {
+ __u32 magic;
+ __u32 version;
+ __s64 mtime;
+ __u64 size;
+ __u32 sectorsize;
+ __u32 alignment;
+ __u32 cow_format;
+ char backing_file[PATH_LEN_V3];
};
/* COW format definitions - for now, we have only the usual COW bitmap */
@@ -84,6 +109,7 @@ union cow_header {
struct cow_header_v1 v1;
struct cow_header_v2 v2;
struct cow_header_v3 v3;
+ struct cow_header_v3_broken v3_b;
};
#define COW_MAGIC 0x4f4f4f4d /* MOOO */
@@ -184,8 +210,9 @@ int write_cow_header(char *cow_file, int fd, char *backing_file,
err = -EINVAL;
if(strlen(backing_file) > sizeof(header->backing_file) - 1){
+ /* Below, %zd is for a size_t value */
cow_printf("Backing file name \"%s\" is too long - names are "
- "limited to %d characters\n", backing_file,
+ "limited to %zd characters\n", backing_file,
sizeof(header->backing_file) - 1);
goto out_free;
}
@@ -300,7 +327,8 @@ int read_cow_header(int (*reader)(__u64, char *, int, void *), void *arg,
*align_out = *sectorsize_out;
file = header->v2.backing_file;
}
- else if(version == 3){
+ /* This is very subtle - see above at union cow_header definition */
+ else if(version == 3 && (*((int*)header->v3.backing_file) != 0)){
if(n < sizeof(header->v3)){
cow_printf("read_cow_header - failed to read V3 "
"header\n");
@@ -310,9 +338,43 @@ int read_cow_header(int (*reader)(__u64, char *, int, void *), void *arg,
*size_out = ntohll(header->v3.size);
*sectorsize_out = ntohl(header->v3.sectorsize);
*align_out = ntohl(header->v3.alignment);
+ if (*align_out == 0) {
+ cow_printf("read_cow_header - invalid COW header, "
+ "align == 0\n");
+ }
*bitmap_offset_out = ROUND_UP(sizeof(header->v3), *align_out);
file = header->v3.backing_file;
}
+ else if(version == 3){
+ cow_printf("read_cow_header - broken V3 file with"
+ " 64-bit layout - recovering content.\n");
+
+ if(n < sizeof(header->v3_b)){
+ cow_printf("read_cow_header - failed to read V3 "
+ "header\n");
+ goto out;
+ }
+
+ /* this was used until Dec2005 - 64bits are needed to represent
+ * 2038+. I.e. we can safely do this truncating cast.
+ *
+ * Additionally, we must use ntohl() instead of ntohll(), since
+ * the program used to use the former (tested - I got mtime
+ * mismatch "0 vs whatever").
+ *
+ * Ever heard about bug-to-bug-compatibility ? ;-) */
+ *mtime_out = (time32_t) ntohl(header->v3_b.mtime);
+
+ *size_out = ntohll(header->v3_b.size);
+ *sectorsize_out = ntohl(header->v3_b.sectorsize);
+ *align_out = ntohl(header->v3_b.alignment);
+ if (*align_out == 0) {
+ cow_printf("read_cow_header - invalid COW header, "
+ "align == 0\n");
+ }
+ *bitmap_offset_out = ROUND_UP(sizeof(header->v3_b), *align_out);
+ file = header->v3_b.backing_file;
+ }
else {
cow_printf("read_cow_header - invalid COW version\n");
goto out;
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 28e3760e8b9..6d7173fc55a 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -62,7 +62,7 @@ static void mc_work_proc(void *unused)
unsigned long flags;
while(!list_empty(&mc_requests)){
- local_save_flags(flags);
+ local_irq_save(flags);
req = list_entry(mc_requests.next, struct mconsole_entry,
list);
list_del(&req->list);
@@ -87,7 +87,7 @@ static irqreturn_t mconsole_interrupt(int irq, void *dev_id,
if(req.cmd->context == MCONSOLE_INTR)
(*req.cmd->handler)(&req);
else {
- new = kmalloc(sizeof(*new), GFP_ATOMIC);
+ new = kmalloc(sizeof(*new), GFP_NOWAIT);
if(new == NULL)
mconsole_reply(&req, "Out of memory", 1, 0);
else {
@@ -415,7 +415,6 @@ static int mem_config(char *str)
unplugged = page_address(page);
if(unplug_index == UNPLUGGED_PER_PAGE){
- INIT_LIST_HEAD(&unplugged->list);
list_add(&unplugged->list, &unplugged_pages);
unplug_index = 0;
}
@@ -616,7 +615,7 @@ static void console_write(struct console *console, const char *string,
return;
while(1){
- n = min((size_t)len, ARRAY_SIZE(console_buf) - console_index);
+ n = min((size_t) len, ARRAY_SIZE(console_buf) - console_index);
strncpy(&console_buf[console_index], string, n);
console_index += n;
string += n;
@@ -655,7 +654,6 @@ static void with_console(struct mc_request *req, void (*proc)(void *),
struct mconsole_entry entry;
unsigned long flags;
- INIT_LIST_HEAD(&entry.list);
entry.request = *req;
list_add(&entry.list, &clients);
spin_lock_irqsave(&console_lock, flags);
diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index 0e2f06187ea..0a7786e00cf 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -182,7 +182,9 @@ static int change_tramp(char **argv, char *output, int output_len)
pe_data.stdout = fds[1];
pid = run_helper(change_pre_exec, &pe_data, argv, NULL);
- read_output(fds[0], output, output_len);
+ if (pid > 0) /* Avoid hang as we won't get data in failure case. */
+ read_output(fds[0], output, output_len);
+
os_close_file(fds[0]);
os_close_file(fds[1]);
diff --git a/arch/um/drivers/slirp_user.c b/arch/um/drivers/slirp_user.c
index b94c66114bc..33c5f6e625e 100644
--- a/arch/um/drivers/slirp_user.c
+++ b/arch/um/drivers/slirp_user.c
@@ -104,7 +104,7 @@ static void slirp_close(int fd, void *data)
}
if(err == 0) {
- printk("slirp_close: process %d has not exited\n");
+ printk("slirp_close: process %d has not exited\n", pri->pid);
return;
}
diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index 42557130a40..efa3d33c0be 100644
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -117,10 +117,6 @@ extern struct task_struct *get_task(int pid, int require);
extern void machine_halt(void);
extern int is_syscall(unsigned long addr);
-extern void arch_switch_to_tt(struct task_struct *from, struct task_struct *to);
-
-extern void arch_switch_to_skas(struct task_struct *from, struct task_struct *to);
-
extern void free_irq(unsigned int, void *);
extern int cpu(void);
diff --git a/arch/um/include/tt/tt.h b/arch/um/include/tt/tt.h
index 80852198018..acb8356e1f9 100644
--- a/arch/um/include/tt/tt.h
+++ b/arch/um/include/tt/tt.h
@@ -19,7 +19,8 @@ extern int fork_tramp(void *sig_stack);
extern int do_proc_op(void *t, int proc_id);
extern int tracer(int (*init_proc)(void *), void *sp);
extern void attach_process(int pid);
-extern void tracer_panic(char *format, ...);
+extern void tracer_panic(char *format, ...)
+ __attribute__ ((format (printf, 1, 2)));
extern void set_init_pid(int pid);
extern int set_user_mode(void *task);
extern void set_tracing(void *t, int tracing);
diff --git a/arch/um/include/user.h b/arch/um/include/user.h
index 91b0ac4ad88..39f8c880107 100644
--- a/arch/um/include/user.h
+++ b/arch/um/include/user.h
@@ -6,8 +6,10 @@
#ifndef __USER_H__
#define __USER_H__
-extern void panic(const char *fmt, ...);
-extern int printk(const char *fmt, ...);
+extern void panic(const char *fmt, ...)
+ __attribute__ ((format (printf, 1, 2)));
+extern int printk(const char *fmt, ...)
+ __attribute__ ((format (printf, 1, 2)));
extern void schedule(void);
extern void *um_kmalloc(int size);
extern void *um_kmalloc_atomic(int size);
diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h
index fe0c29b5144..802d7842514 100644
--- a/arch/um/include/user_util.h
+++ b/arch/um/include/user_util.h
@@ -55,7 +55,8 @@ extern int get_pty(void);
extern void *um_kmalloc(int size);
extern int switcheroo(int fd, int prot, void *from, void *to, int size);
extern void do_exec(int old_pid, int new_pid);
-extern void tracer_panic(char *msg, ...);
+extern void tracer_panic(char *msg, ...)
+ __attribute__ ((format (printf, 1, 2)));
extern int detach(int pid, int sig);
extern int attach(int pid);
extern void kill_child_dead(int pid);
diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c
index 7713e7a6f47..432cf0b97a1 100644
--- a/arch/um/kernel/ksyms.c
+++ b/arch/um/kernel/ksyms.c
@@ -39,7 +39,6 @@ EXPORT_SYMBOL(um_virt_to_phys);
EXPORT_SYMBOL(mode_tt);
EXPORT_SYMBOL(handle_page_fault);
EXPORT_SYMBOL(find_iomem);
-EXPORT_SYMBOL(end_iomem);
#ifdef CONFIG_MODE_TT
EXPORT_SYMBOL(strncpy_from_user_tt);
@@ -89,12 +88,10 @@ EXPORT_SYMBOL(dump_thread);
EXPORT_SYMBOL(do_gettimeofday);
EXPORT_SYMBOL(do_settimeofday);
-/* This is here because UML expands open to sys_open, not to a system
+/* This is here because UML expands lseek to sys_lseek, not to a system
* call instruction.
*/
-EXPORT_SYMBOL(sys_open);
EXPORT_SYMBOL(sys_lseek);
-EXPORT_SYMBOL(sys_read);
EXPORT_SYMBOL(sys_wait4);
#ifdef CONFIG_SMP
diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c
index 901b85e8a1c..8f49507e64e 100644
--- a/arch/um/os-Linux/drivers/ethertap_user.c
+++ b/arch/um/os-Linux/drivers/ethertap_user.c
@@ -40,7 +40,7 @@ static void etap_change(int op, unsigned char *addr, unsigned char *netmask,
int fd)
{
struct addr_change change;
- void *output;
+ char *output;
int n;
change.what = op;
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index 6490a4ff40a..6987d1d247a 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -43,7 +43,7 @@ static int helper_child(void *arg)
(*data->pre_exec)(data->pre_data);
execvp(argv[0], argv);
errval = errno;
- printk("execvp of '%s' failed - errno = %d\n", argv[0], errno);
+ printk("helper_child - execve of '%s' failed - errno = %d\n", argv[0], errno);
os_write_file(data->fd, &errval, sizeof(errval));
kill(os_getpid(), SIGKILL);
return(0);
@@ -92,15 +92,15 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv,
close(fds[1]);
fds[1] = -1;
- /*Read the errno value from the child.*/
+ /* Read the errno value from the child, if the exec failed, or get 0 if
+ * the exec succeeded because the pipe fd was set as close-on-exec. */
n = os_read_file(fds[0], &ret, sizeof(ret));
- if(n < 0){
+ if (n < 0) {
printk("run_helper : read on pipe failed, ret = %d\n", -n);
ret = n;
kill(pid, SIGKILL);
CATCH_EINTR(waitpid(pid, NULL, 0));
- }
- else if(n != 0){
+ } else if(n != 0){
CATCH_EINTR(n = waitpid(pid, NULL, 0));
ret = -errno;
} else {
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 6ab372da965..71bb90a7606 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -53,33 +53,36 @@ static void __init find_tempdir(void)
*/
int make_tempfile(const char *template, char **out_tempname, int do_unlink)
{
- char tempname[MAXPATHLEN];
+ char *tempname;
int fd;
+ tempname = malloc(MAXPATHLEN);
+
find_tempdir();
- if (*template != '/')
+ if (template[0] != '/')
strcpy(tempname, tempdir);
else
- *tempname = 0;
+ tempname[0] = '\0';
strcat(tempname, template);
fd = mkstemp(tempname);
if(fd < 0){
fprintf(stderr, "open - cannot create %s: %s\n", tempname,
strerror(errno));
- return -1;
+ goto out;
}
if(do_unlink && (unlink(tempname) < 0)){
perror("unlink");
- return -1;
+ goto out;
}
if(out_tempname){
- *out_tempname = strdup(tempname);
- if(*out_tempname == NULL){
- perror("strdup");
- return -1;
- }
+ *out_tempname = tempname;
+ } else {
+ free(tempname);
}
return(fd);
+out:
+ free(tempname);
+ return -1;
}
#define TEMPNAME_TEMPLATE "vm_file-XXXXXX"
diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c
index 9ba94294714..00e9388e947 100644
--- a/arch/um/os-Linux/sigio.c
+++ b/arch/um/os-Linux/sigio.c
@@ -304,8 +304,8 @@ out_clear_poll:
.size = 0,
.used = 0 });
out_free:
- kfree(p);
sigio_unlock();
+ kfree(p);
out_close2:
close(l_sigio_private[0]);
close(l_sigio_private[1]);
diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c
index fbb080c2fc2..b3c11cfa995 100644
--- a/arch/um/os-Linux/skas/mem.c
+++ b/arch/um/os-Linux/skas/mem.c
@@ -82,8 +82,8 @@ static inline long do_syscall_stub(struct mm_id * mm_idp, void **addr)
if (offset) {
data = (unsigned long *)(mm_idp->stack +
offset - UML_CONFIG_STUB_DATA);
- printk("do_syscall_stub : ret = %d, offset = %d, "
- "data = 0x%x\n", ret, offset, data);
+ printk("do_syscall_stub : ret = %ld, offset = %ld, "
+ "data = %p\n", ret, offset, data);
syscall = (unsigned long *)((unsigned long)data + data[0]);
printk("do_syscall_stub: syscall %ld failed, return value = "
"0x%lx, expected return value = 0x%lx\n",
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index bbf34cb91ce..045ae003745 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -265,7 +265,7 @@ void userspace(union uml_pt_regs *regs)
if(err)
panic("userspace - could not resume userspace process, "
"pid=%d, ptrace operation = %d, errno = %d\n",
- op, errno);
+ pid, op, errno);
CATCH_EINTR(err = waitpid(pid, &status, WUNTRACED));
if(err < 0)
@@ -369,7 +369,7 @@ int copy_context_skas0(unsigned long new_stack, int pid)
*/
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",
+ panic("copy_context_skas0 - stub-child reports error %ld\n",
child_data->err);
if (ptrace(PTRACE_OLDSETOPTIONS, pid, NULL,
diff --git a/arch/um/os-Linux/sys-i386/tls.c b/arch/um/os-Linux/sys-i386/tls.c
index ba21f0e04a2..120abbe4e3c 100644
--- a/arch/um/os-Linux/sys-i386/tls.c
+++ b/arch/um/os-Linux/sys-i386/tls.c
@@ -1,3 +1,4 @@
+#include <errno.h>
#include <linux/unistd.h>
#include "sysdep/tls.h"
#include "user_util.h"
diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c
index 198e5916328..34bfc1bb9e3 100644
--- a/arch/um/os-Linux/umid.c
+++ b/arch/um/os-Linux/umid.c
@@ -120,7 +120,8 @@ static int not_dead_yet(char *dir)
dead = 0;
fd = open(file, O_RDONLY);
- if(fd < 0){
+ if(fd < 0) {
+ fd = -errno;
if(fd != -ENOENT){
printk("not_dead_yet : couldn't open pid file '%s', "
"err = %d\n", file, -fd);
@@ -130,9 +131,13 @@ static int not_dead_yet(char *dir)
err = 0;
n = read(fd, pid, sizeof(pid));
- if(n <= 0){
+ if(n < 0){
+ printk("not_dead_yet : couldn't read pid file '%s', "
+ "err = %d\n", file, errno);
+ goto out_close;
+ } else if(n == 0){
printk("not_dead_yet : couldn't read pid file '%s', "
- "err = %d\n", file, -n);
+ "0-byte read\n", file);
goto out_close;
}
@@ -155,9 +160,9 @@ static int not_dead_yet(char *dir)
return err;
- out_close:
+out_close:
close(fd);
- out:
+out:
return 0;
}
diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c
index 8da6ab31152..2598158e1f5 100644
--- a/arch/um/os-Linux/user_syms.c
+++ b/arch/um/os-Linux/user_syms.c
@@ -18,14 +18,19 @@ extern void *memmove(void *, const void *, size_t);
extern void *memset(void *, int, size_t);
extern int printf(const char *, ...);
+/* If they're not defined, the export is included in lib/string.c.*/
+#ifdef __HAVE_ARCH_STRLEN
EXPORT_SYMBOL(strlen);
+#endif
+#ifdef __HAVE_ARCH_STRSTR
+EXPORT_SYMBOL(strstr);
+#endif
+
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(printf);
-EXPORT_SYMBOL(strstr);
-
/* Here, instead, I can provide a fake prototype. Yes, someone cares: genksyms.
* However, the modules will use the CRC defined *here*, no matter if it is
* good; so the versions of these symbols will always match
diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules
index b696b451774..5e7a9c310aa 100644
--- a/arch/um/scripts/Makefile.rules
+++ b/arch/um/scripts/Makefile.rules
@@ -9,10 +9,8 @@ USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
$(USER_OBJS) $(USER_OBJS:.o=.i) $(USER_OBJS:.o=.s) $(USER_OBJS:.o=.lst): \
c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) $(CFLAGS_$(notdir $@))
-$(USER_OBJS): cmd_checksrc =
-$(USER_OBJS): quiet_cmd_checksrc =
-$(USER_OBJS): cmd_force_checksrc =
-$(USER_OBJS): quiet_cmd_force_checksrc =
+$(USER_OBJS) : CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ \
+ -Dunix -D__unix__ -D__$(SUBARCH)__
# The stubs and unmap.o can't try to call mcount or update basic block data
diff --git a/arch/um/sys-i386/ksyms.c b/arch/um/sys-i386/ksyms.c
index db524ab3f74..2a1eac1859c 100644
--- a/arch/um/sys-i386/ksyms.c
+++ b/arch/um/sys-i386/ksyms.c
@@ -15,7 +15,3 @@ EXPORT_SYMBOL(__up_wakeup);
/* Networking helper routines. */
EXPORT_SYMBOL(csum_partial);
-
-/* delay core functions */
-EXPORT_SYMBOL(__const_udelay);
-EXPORT_SYMBOL(__udelay);
diff --git a/arch/um/sys-i386/ptrace_user.c b/arch/um/sys-i386/ptrace_user.c
index 9f3bd8ed78f..40aa8853144 100644
--- a/arch/um/sys-i386/ptrace_user.c
+++ b/arch/um/sys-i386/ptrace_user.c
@@ -57,7 +57,7 @@ static void write_debugregs(int pid, unsigned long *regs)
if(ptrace(PTRACE_POKEUSR, pid, &dummy->u_debugreg[i],
regs[i]) < 0)
printk("write_debugregs - ptrace failed on "
- "register %d, value = 0x%x, errno = %d\n", i,
+ "register %d, value = 0x%lx, errno = %d\n", i,
regs[i], errno);
}
}
diff --git a/arch/um/sys-i386/signal.c b/arch/um/sys-i386/signal.c
index f5d0e1c37ea..618fd859464 100644
--- a/arch/um/sys-i386/signal.c
+++ b/arch/um/sys-i386/signal.c
@@ -147,7 +147,7 @@ int copy_sc_to_user_tt(struct sigcontext *to, struct _fpstate __user *fp,
* delivery. The sp passed in is the original, and this needs
* to be restored, so we stick it in separately.
*/
- err |= copy_to_user(&SC_SP(to), sp, sizeof(sp));
+ err |= copy_to_user(&SC_SP(to), &sp, sizeof(sp));
if(from_fp != NULL){
err |= copy_to_user(&to->fpstate, &to_fp, sizeof(to->fpstate));
diff --git a/arch/um/sys-i386/tls.c b/arch/um/sys-i386/tls.c
index a3188e861cc..71b9796258e 100644
--- a/arch/um/sys-i386/tls.c
+++ b/arch/um/sys-i386/tls.c
@@ -378,7 +378,7 @@ static int __init __setup_host_supports_tls(void) {
} else
printk(KERN_ERR " Host TLS support NOT detected! "
"TLS support inside UML will not work\n");
- return 1;
+ return 0;
}
__initcall(__setup_host_supports_tls);
diff --git a/arch/um/sys-x86_64/signal.c b/arch/um/sys-x86_64/signal.c
index e75c4e1838b..a4c46a8af00 100644
--- a/arch/um/sys-x86_64/signal.c
+++ b/arch/um/sys-x86_64/signal.c
@@ -137,7 +137,7 @@ int copy_sc_to_user_tt(struct sigcontext *to, struct _fpstate *fp,
* delivery. The sp passed in is the original, and this needs
* to be restored, so we stick it in separately.
*/
- err |= copy_to_user(&SC_SP(to), sp, sizeof(sp));
+ err |= copy_to_user(&SC_SP(to), &sp, sizeof(sp));
if(from_fp != NULL){
err |= copy_to_user(&to->fpstate, &to_fp, sizeof(to->fpstate));
diff --git a/arch/v850/kernel/v850_ksyms.c b/arch/v850/kernel/v850_ksyms.c
index 8ffc29c1c89..6bcfcfe8838 100644
--- a/arch/v850/kernel/v850_ksyms.c
+++ b/arch/v850/kernel/v850_ksyms.c
@@ -43,7 +43,6 @@ EXPORT_SYMBOL (strncmp);
EXPORT_SYMBOL (strchr);
EXPORT_SYMBOL (strlen);
EXPORT_SYMBOL (strnlen);
-EXPORT_SYMBOL (strpbrk);
EXPORT_SYMBOL (strrchr);
EXPORT_SYMBOL (strstr);
EXPORT_SYMBOL (memset);
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 4310b4a311a..408d44a5975 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -136,6 +136,11 @@ config X86_L1_CACHE_SHIFT
default "7" if GENERIC_CPU || MPSC
default "6" if MK8
+config X86_INTERNODE_CACHE_BYTES
+ int
+ default "4096" if X86_VSMP
+ default X86_L1_CACHE_BYTES if !X86_VSMP
+
config X86_TSC
bool
default y
@@ -283,6 +288,11 @@ config K8_NUMA
Northbridge of Opteron. It is recommended to use X86_64_ACPI_NUMA
instead, which also takes priority if both are compiled in.
+config NODES_SHIFT
+ int
+ default "6"
+ depends on NEED_MULTIPLE_NODES
+
# Dummy CONFIG option to select ACPI_NUMA from drivers/acpi/Kconfig.
config X86_64_ACPI_NUMA
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 585fd4a559c..e573e2ab551 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -24,37 +24,37 @@
LDFLAGS := -m elf_x86_64
OBJCOPYFLAGS := -O binary -R .note -R .comment -S
LDFLAGS_vmlinux :=
-
CHECKFLAGS += -D__x86_64__ -m64
+cflags-y :=
cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
-CFLAGS += $(cflags-y)
-CFLAGS += -m64
-CFLAGS += -mno-red-zone
-CFLAGS += -mcmodel=kernel
-CFLAGS += -pipe
+cflags-y += -m64
+cflags-y += -mno-red-zone
+cflags-y += -mcmodel=kernel
+cflags-y += -pipe
cflags-$(CONFIG_REORDER) += -ffunction-sections
# this makes reading assembly source easier, but produces worse code
# actually it makes the kernel smaller too.
-CFLAGS += -fno-reorder-blocks
-CFLAGS += -Wno-sign-compare
+cflags-y += -fno-reorder-blocks
+cflags-y += -Wno-sign-compare
ifneq ($(CONFIG_UNWIND_INFO),y)
-CFLAGS += -fno-asynchronous-unwind-tables
+cflags-y += -fno-asynchronous-unwind-tables
endif
ifneq ($(CONFIG_DEBUG_INFO),y)
# -fweb shrinks the kernel a bit, but the difference is very small
# it also messes up debugging, so don't use it for now.
-#CFLAGS += $(call cc-option,-fweb)
+#cflags-y += $(call cc-option,-fweb)
endif
# -funit-at-a-time shrinks the kernel .text considerably
# unfortunately it makes reading oopses harder.
-CFLAGS += $(call cc-option,-funit-at-a-time)
+cflags-y += $(call cc-option,-funit-at-a-time)
# prevent gcc from generating any FP code by mistake
-CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
+cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
+CFLAGS += $(cflags-y)
AFLAGS += -m64
head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
diff --git a/arch/x86_64/boot/video.S b/arch/x86_64/boot/video.S
index 0587477c99f..32327bb37af 100644
--- a/arch/x86_64/boot/video.S
+++ b/arch/x86_64/boot/video.S
@@ -97,6 +97,7 @@
#define PARAM_VESAPM_OFF 0x30
#define PARAM_LFB_PAGES 0x32
#define PARAM_VESA_ATTRIB 0x34
+#define PARAM_CAPABILITIES 0x36
/* Define DO_STORE according to CONFIG_VIDEO_RETAIN */
#ifdef CONFIG_VIDEO_RETAIN
@@ -233,6 +234,10 @@ mopar_gr:
movw 18(%di), %ax
movl %eax, %fs:(PARAM_LFB_SIZE)
+# store mode capabilities
+ movl 10(%di), %eax
+ movl %eax, %fs:(PARAM_CAPABILITIES)
+
# switching the DAC to 8-bit is for <= 8 bpp only
movw %fs:(PARAM_LFB_DEPTH), %ax
cmpw $8, %ax
diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
index 566ecc97ee5..3c45ec22b3f 100644
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-git9
-# Sat Mar 25 15:18:40 2006
+# Linux kernel version: 2.6.17-rc1
+# Mon Apr 3 16:11:14 2006
#
CONFIG_X86_64=y
CONFIG_64BIT=y
@@ -9,6 +9,7 @@ CONFIG_X86=y
CONFIG_SEMAPHORE_SLEEPERS=y
CONFIG_MMU=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_X86_CMPXCHG=y
CONFIG_EARLY_PRINTK=y
@@ -55,10 +56,6 @@ CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=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
@@ -70,7 +67,6 @@ CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
-CONFIG_OBSOLETE_MODPARM=y
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
# CONFIG_KMOD is not set
@@ -81,6 +77,7 @@ CONFIG_STOP_MACHINE=y
#
CONFIG_LBD=y
# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
#
# IO Schedulers
@@ -105,6 +102,7 @@ CONFIG_X86_PC=y
CONFIG_GENERIC_CPU=y
CONFIG_X86_L1_CACHE_BYTES=128
CONFIG_X86_L1_CACHE_SHIFT=7
+CONFIG_X86_INTERNODE_CACHE_BYTES=128
CONFIG_X86_TSC=y
CONFIG_X86_GOOD_APIC=y
# CONFIG_MICROCODE is not set
@@ -116,6 +114,7 @@ CONFIG_X86_LOCAL_APIC=y
CONFIG_MTRR=y
CONFIG_SMP=y
CONFIG_SCHED_SMT=y
+CONFIG_SCHED_MC=y
# CONFIG_PREEMPT_NONE is not set
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_PREEMPT is not set
@@ -138,6 +137,7 @@ CONFIG_NEED_MULTIPLE_NODES=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_MIGRATION=y
CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
+CONFIG_OUT_OF_LINE_PFN_TO_PAGE=y
CONFIG_NR_CPUS=32
CONFIG_HOTPLUG_CPU=y
CONFIG_HPET_TIMER=y
@@ -289,6 +289,7 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
@@ -300,6 +301,7 @@ CONFIG_IPV6=y
# CONFIG_INET6_AH is not set
# CONFIG_INET6_ESP is not set
# CONFIG_INET6_IPCOMP is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
# CONFIG_IPV6_TUNNEL is not set
# CONFIG_NETFILTER is not set
@@ -704,7 +706,6 @@ CONFIG_S2IO=m
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set
-# CONFIG_NET_WIRELESS_RTNETLINK is not set
#
# Wan interfaces
@@ -791,7 +792,7 @@ CONFIG_HW_CONSOLE=y
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
-# CONFIG_SERIAL_8250_ACPI is not set
+CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
# CONFIG_SERIAL_8250_EXTENDED is not set
@@ -921,6 +922,7 @@ CONFIG_HWMON=y
# Digital Video Broadcasting Devices
#
# CONFIG_DVB is not set
+# CONFIG_USB_DABUSB is not set
#
# Graphics support
@@ -932,6 +934,8 @@ CONFIG_VIDEO_SELECT=y
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
+CONFIG_VGACON_SOFT_SCROLLBACK=y
+CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=256
CONFIG_DUMMY_CONSOLE=y
#
@@ -1058,15 +1062,6 @@ CONFIG_USB_HIDINPUT=y
# CONFIG_USB_MICROTEK is not set
#
-# USB Multimedia devices
-#
-# CONFIG_USB_DABUSB is not set
-
-#
-# Video4Linux support is needed for USB Multimedia device support
-#
-
-#
# USB Network Adapters
#
# CONFIG_USB_CATC is not set
@@ -1118,9 +1113,15 @@ CONFIG_USB_MON=y
# CONFIG_MMC is not set
#
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
# InfiniBand support
#
# CONFIG_INFINIBAND is not set
+# CONFIG_IPATH_CORE is not set
#
# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
@@ -1128,6 +1129,11 @@ CONFIG_USB_MON=y
# CONFIG_EDAC is not set
#
+# Real Time Clock
+#
+# CONFIG_RTC_CLASS is not set
+
+#
# Firmware Drivers
#
# CONFIG_EDD is not set
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S
index 35b2faccdc6..5a980267668 100644
--- a/arch/x86_64/ia32/ia32entry.S
+++ b/arch/x86_64/ia32/ia32entry.S
@@ -15,6 +15,8 @@
#include <asm/vsyscall32.h>
#include <linux/linkage.h>
+#define IA32_NR_syscalls ((ia32_syscall_end - ia32_sys_call_table)/8)
+
.macro IA32_ARG_FIXUP noebp=0
movl %edi,%r8d
.if \noebp
@@ -109,8 +111,8 @@ ENTRY(ia32_sysenter_target)
CFI_REMEMBER_STATE
jnz sysenter_tracesys
sysenter_do_call:
- cmpl $(IA32_NR_syscalls),%eax
- jae ia32_badsys
+ cmpl $(IA32_NR_syscalls-1),%eax
+ ja ia32_badsys
IA32_ARG_FIXUP 1
call *ia32_sys_call_table(,%rax,8)
movq %rax,RAX-ARGOFFSET(%rsp)
@@ -210,8 +212,8 @@ ENTRY(ia32_cstar_target)
CFI_REMEMBER_STATE
jnz cstar_tracesys
cstar_do_call:
- cmpl $IA32_NR_syscalls,%eax
- jae ia32_badsys
+ cmpl $IA32_NR_syscalls-1,%eax
+ ja ia32_badsys
IA32_ARG_FIXUP 1
call *ia32_sys_call_table(,%rax,8)
movq %rax,RAX-ARGOFFSET(%rsp)
@@ -296,8 +298,8 @@ ENTRY(ia32_syscall)
testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%r10)
jnz ia32_tracesys
ia32_do_syscall:
- cmpl $(IA32_NR_syscalls),%eax
- jae ia32_badsys
+ cmpl $(IA32_NR_syscalls-1),%eax
+ ja ia32_badsys
IA32_ARG_FIXUP
call *ia32_sys_call_table(,%rax,8) # xxx: rip relative
ia32_sysret:
@@ -685,12 +687,11 @@ 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 quiet_ni_syscall /* pselect6 for now */
+ .quad quiet_ni_syscall /* ppoll for now */
.quad sys_unshare /* 310 */
.quad compat_sys_set_robust_list
.quad compat_sys_get_robust_list
+ .quad sys_splice
+ .quad sys_sync_file_range
ia32_syscall_end:
- .rept IA32_NR_syscalls-(ia32_syscall_end-ia32_sys_call_table)/8
- .quad ni_syscall
- .endr
diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c
index fffd6b0a2fa..70b9d21ed67 100644
--- a/arch/x86_64/kernel/aperture.c
+++ b/arch/x86_64/kernel/aperture.c
@@ -80,7 +80,7 @@ static int __init aperture_valid(char *name, u64 aper_base, u32 aper_size)
printk("Aperture from %s beyond 4GB. Ignoring.\n",name);
return 0;
}
- if (e820_mapped(aper_base, aper_base + aper_size, E820_RAM)) {
+ if (e820_any_mapped(aper_base, aper_base + aper_size, E820_RAM)) {
printk("Aperture from %s pointing to e820 RAM. Ignoring.\n",name);
return 0;
}
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index 293cd71a266..62776c07cff 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -80,7 +80,12 @@ static inline int bad_addr(unsigned long *addrp, unsigned long size)
return 0;
}
-int __init e820_mapped(unsigned long start, unsigned long end, unsigned type)
+/*
+ * This function checks if any part of the range <start,end> is mapped
+ * with type.
+ */
+int __meminit
+e820_any_mapped(unsigned long start, unsigned long end, unsigned type)
{
int i;
for (i = 0; i < e820.nr_map; i++) {
@@ -94,6 +99,35 @@ int __init e820_mapped(unsigned long start, unsigned long end, unsigned type)
return 0;
}
+/*
+ * This function checks if the entire range <start,end> is mapped with type.
+ *
+ * Note: this function only works correct if the e820 table is sorted and
+ * not-overlapping, which is the case
+ */
+int __init e820_all_mapped(unsigned long start, unsigned long end, unsigned type)
+{
+ int i;
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+ if (type && ei->type != type)
+ continue;
+ /* is the region (part) in overlap with the current region ?*/
+ if (ei->addr >= end || ei->addr + ei->size <= start)
+ continue;
+
+ /* if the region is at the beginning of <start,end> we move
+ * start to the end of the region since it's ok until there
+ */
+ if (ei->addr <= start)
+ start = ei->addr + ei->size;
+ /* if start is now at or beyond end, we're done, full coverage */
+ if (start >= end)
+ return 1; /* we're done */
+ }
+ return 0;
+}
+
/*
* Find a free area in a specific range.
*/
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 8538bfea30e..c946e4fe67a 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -180,6 +180,10 @@ rff_trace:
*
* XXX if we had a free scratch register we could save the RSP into the stack frame
* and report it properly in ps. Unfortunately we haven't.
+ *
+ * When user can change the frames always force IRET. That is because
+ * it deals with uncanonical addresses better. SYSRET has trouble
+ * with them due to bugs in both AMD and Intel CPUs.
*/
ENTRY(system_call)
@@ -254,7 +258,10 @@ sysret_signal:
xorl %esi,%esi # oldset -> arg2
call ptregscall_common
1: movl $_TIF_NEED_RESCHED,%edi
- jmp sysret_check
+ /* Use IRET because user could have changed frame. This
+ works because ptregscall_common has called FIXUP_TOP_OF_STACK. */
+ cli
+ jmp int_with_check
badsys:
movq $-ENOSYS,RAX-ARGOFFSET(%rsp)
@@ -280,7 +287,8 @@ tracesys:
call syscall_trace_leave
RESTORE_TOP_OF_STACK %rbx
RESTORE_REST
- jmp ret_from_sys_call
+ /* Use IRET because user could have changed frame */
+ jmp int_ret_from_sys_call
CFI_ENDPROC
/*
@@ -408,25 +416,9 @@ ENTRY(stub_execve)
CFI_ADJUST_CFA_OFFSET -8
CFI_REGISTER rip, r11
SAVE_REST
- movq %r11, %r15
- CFI_REGISTER rip, r15
FIXUP_TOP_OF_STACK %r11
call sys_execve
- GET_THREAD_INFO(%rcx)
- bt $TIF_IA32,threadinfo_flags(%rcx)
- CFI_REMEMBER_STATE
- jc exec_32bit
RESTORE_TOP_OF_STACK %r11
- movq %r15, %r11
- CFI_REGISTER rip, r11
- RESTORE_REST
- pushq %r11
- CFI_ADJUST_CFA_OFFSET 8
- CFI_REL_OFFSET rip, 0
- ret
-
-exec_32bit:
- CFI_RESTORE_STATE
movq %rax,RAX(%rsp)
RESTORE_REST
jmp int_ret_from_sys_call
diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c
index 10b3e348fc9..6f0790e8b6d 100644
--- a/arch/x86_64/kernel/mce.c
+++ b/arch/x86_64/kernel/mce.c
@@ -29,6 +29,8 @@
#define MISC_MCELOG_MINOR 227
#define NR_BANKS 6
+atomic_t mce_entry;
+
static int mce_dont_init;
/* 0: always panic, 1: panic if deadlock possible, 2: try to avoid panic,
@@ -172,10 +174,12 @@ void do_machine_check(struct pt_regs * regs, long error_code)
int i;
int panicm_found = 0;
+ atomic_inc(&mce_entry);
+
if (regs)
notify_die(DIE_NMI, "machine check", regs, error_code, 18, SIGKILL);
if (!banks)
- return;
+ goto out2;
memset(&m, 0, sizeof(struct mce));
m.cpu = safe_smp_processor_id();
@@ -266,6 +270,8 @@ void do_machine_check(struct pt_regs * regs, long error_code)
out:
/* Last thing done in the machine check exception to clear state. */
wrmsrl(MSR_IA32_MCG_STATUS, 0);
+ out2:
+ atomic_dec(&mce_entry);
}
/*
diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c
index d9e4067faf0..4e6357fe0ec 100644
--- a/arch/x86_64/kernel/nmi.c
+++ b/arch/x86_64/kernel/nmi.c
@@ -34,6 +34,7 @@
#include <asm/proto.h>
#include <asm/kdebug.h>
#include <asm/local.h>
+#include <asm/mce.h>
/*
* lapic_nmi_owner tracks the ownership of the lapic NMI hardware:
@@ -480,6 +481,12 @@ void __kprobes nmi_watchdog_tick(struct pt_regs * regs, unsigned reason)
__get_cpu_var(nmi_touch) = 0;
touched = 1;
}
+#ifdef CONFIG_X86_MCE
+ /* Could check oops_in_progress here too, but it's safer
+ not too */
+ if (atomic_read(&mce_entry) > 0)
+ touched = 1;
+#endif
if (!touched && __get_cpu_var(last_irq_sum) == sum) {
/*
* Ayiee, looks like this CPU is stuck ...
diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c
index 03c9eeedb0f..af035ede70c 100644
--- a/arch/x86_64/kernel/pci-dma.c
+++ b/arch/x86_64/kernel/pci-dma.c
@@ -48,9 +48,11 @@ dma_alloc_pages(struct device *dev, gfp_t gfp, unsigned order)
{
struct page *page;
int node;
+#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type)
node = pcibus_to_node(to_pci_dev(dev)->bus);
else
+#endif
node = numa_node_id();
page = alloc_pages_node(node, gfp, order);
return page ? page_address(page) : NULL;
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index 70dd8e5c688..1c44b53cb15 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -781,10 +781,16 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr)
}
case ARCH_GET_GS: {
unsigned long base;
+ unsigned gsindex;
if (task->thread.gsindex == GS_TLS_SEL)
base = read_32bit_tls(task, GS_TLS);
- else if (doit)
- rdmsrl(MSR_KERNEL_GS_BASE, base);
+ else if (doit) {
+ asm("movl %%gs,%0" : "=r" (gsindex));
+ if (gsindex)
+ rdmsrl(MSR_KERNEL_GS_BASE, base);
+ else
+ base = task->thread.gs;
+ }
else
base = task->thread.gs;
ret = put_user(base, (unsigned long __user *)addr);
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index d44b2c1e63a..da8e7903d81 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -274,11 +274,6 @@ static int putreg(struct task_struct *child,
return -EIO;
value &= 0xffff;
break;
- case offsetof(struct user_regs_struct, rip):
- /* Check if the new RIP address is canonical */
- if (value >= TASK_SIZE_OF(child))
- return -EIO;
- break;
}
put_stack_long(child, regno - sizeof(struct pt_regs), value);
return 0;
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 0856ad444f9..c50b06765a8 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -353,8 +353,10 @@ static __init void parse_cmdline_early (char ** cmdline_p)
if (fullarg(from, "enable_timer_pin_1"))
disable_timer_pin_1 = -1;
- if (fullarg(from, "nolapic") || fullarg(from, "disableapic"))
+ if (fullarg(from, "nolapic") || fullarg(from, "disableapic")) {
+ clear_bit(X86_FEATURE_APIC, boot_cpu_data.x86_capability);
disable_apic = 1;
+ }
if (fullarg(from, "noapic"))
skip_ioapic_setup = 1;
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index ef8bc46dc14..7392570f975 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -726,7 +726,7 @@ static __init int late_hpet_init(void)
unsigned int ntimer;
if (!vxtime.hpet_address)
- return -1;
+ return 0;
memset(&hd, 0, sizeof (hd));
@@ -917,6 +917,8 @@ void __init time_init(void)
vxtime.hpet_address = 0;
if (hpet_use_timer) {
+ /* set tick_nsec to use the proper rate for HPET */
+ tick_nsec = TICK_NSEC_HPET;
cpu_khz = hpet_calibrate_tsc();
timename = "HPET";
#ifdef CONFIG_X86_PM_TIMER
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S
index 39ff0708f80..b81f473c4a1 100644
--- a/arch/x86_64/kernel/vmlinux.lds.S
+++ b/arch/x86_64/kernel/vmlinux.lds.S
@@ -65,7 +65,7 @@ SECTIONS
.data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
*(.data.cacheline_aligned)
}
- . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
+ . = ALIGN(CONFIG_X86_INTERNODE_CACHE_BYTES);
.data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
*(.data.read_mostly)
}
diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c
index d78f46056bd..1def21c9f7c 100644
--- a/arch/x86_64/kernel/x8664_ksyms.c
+++ b/arch/x86_64/kernel/x8664_ksyms.c
@@ -112,7 +112,6 @@ EXPORT_SYMBOL_GPL(unset_nmi_callback);
#undef memcpy
#undef memset
#undef memmove
-#undef strlen
extern void * memset(void *,int,__kernel_size_t);
extern size_t strlen(const char *);
@@ -121,8 +120,6 @@ extern void * memcpy(void *,const void *,__kernel_size_t);
extern void * __memcpy(void *,const void *,__kernel_size_t);
EXPORT_SYMBOL(memset);
-EXPORT_SYMBOL(strlen);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(__memcpy);
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index e5f7f1c3446..4ba34e95d83 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -305,7 +305,7 @@ static void __meminit phys_pud_init(pud_t *pud, unsigned long address, unsigned
if (paddr >= end)
break;
- if (!after_bootmem && !e820_mapped(paddr, paddr+PUD_SIZE, 0)) {
+ if (!after_bootmem && !e820_any_mapped(paddr, paddr+PUD_SIZE, 0)) {
set_pud(pud, __pud(0));
continue;
}
@@ -507,9 +507,8 @@ void __init clear_kernel_mapping(unsigned long address, unsigned long size)
/*
* Memory hotplug specific functions
- * These are only for non-NUMA machines right now.
*/
-#ifdef CONFIG_MEMORY_HOTPLUG
+#if defined(CONFIG_ACPI_HOTPLUG_MEMORY) || defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)
void online_page(struct page *page)
{
@@ -520,6 +519,38 @@ void online_page(struct page *page)
num_physpages++;
}
+#ifndef CONFIG_MEMORY_HOTPLUG
+/*
+ * Memory Hotadd without sparsemem. The mem_maps have been allocated in advance,
+ * just online the pages.
+ */
+int __add_pages(struct zone *z, unsigned long start_pfn, unsigned long nr_pages)
+{
+ int err = -EIO;
+ unsigned long pfn;
+ unsigned long total = 0, mem = 0;
+ for (pfn = start_pfn; pfn < start_pfn + nr_pages; pfn++) {
+ if (pfn_valid(pfn)) {
+ online_page(pfn_to_page(pfn));
+ err = 0;
+ mem++;
+ }
+ total++;
+ }
+ if (!err) {
+ z->spanned_pages += total;
+ z->present_pages += mem;
+ z->zone_pgdat->node_spanned_pages += total;
+ z->zone_pgdat->node_present_pages += mem;
+ }
+ return err;
+}
+#endif
+
+/*
+ * Memory is added always to NORMAL zone. This means you will never get
+ * additional DMA/DMA32 memory.
+ */
int add_memory(u64 start, u64 size)
{
struct pglist_data *pgdat = NODE_DATA(0);
diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c
index 4be82d6e2b4..cc02573a327 100644
--- a/arch/x86_64/mm/numa.c
+++ b/arch/x86_64/mm/numa.c
@@ -100,11 +100,30 @@ int early_pfn_to_nid(unsigned long pfn)
}
#endif
+static void * __init
+early_node_mem(int nodeid, unsigned long start, unsigned long end,
+ unsigned long size)
+{
+ unsigned long mem = find_e820_area(start, end, size);
+ void *ptr;
+ if (mem != -1L)
+ return __va(mem);
+ ptr = __alloc_bootmem_nopanic(size,
+ SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS));
+ if (ptr == 0) {
+ printk(KERN_ERR "Cannot find %lu bytes in node %d\n",
+ size, nodeid);
+ return NULL;
+ }
+ return ptr;
+}
+
/* Initialize bootmem allocator for a node */
void __init setup_node_bootmem(int nodeid, unsigned long start, unsigned long end)
{
unsigned long start_pfn, end_pfn, bootmap_pages, bootmap_size, bootmap_start;
unsigned long nodedata_phys;
+ void *bootmap;
const int pgdat_size = round_up(sizeof(pg_data_t), PAGE_SIZE);
start = round_up(start, ZONE_ALIGN);
@@ -114,13 +133,11 @@ void __init setup_node_bootmem(int nodeid, unsigned long start, unsigned long en
start_pfn = start >> PAGE_SHIFT;
end_pfn = end >> PAGE_SHIFT;
- nodedata_phys = find_e820_area(start, end, pgdat_size);
- if (nodedata_phys == -1L)
- panic("Cannot find memory pgdat in node %d\n", nodeid);
-
- Dprintk("nodedata_phys %lx\n", nodedata_phys);
+ node_data[nodeid] = early_node_mem(nodeid, start, end, pgdat_size);
+ if (node_data[nodeid] == NULL)
+ return;
+ nodedata_phys = __pa(node_data[nodeid]);
- node_data[nodeid] = phys_to_virt(nodedata_phys);
memset(NODE_DATA(nodeid), 0, sizeof(pg_data_t));
NODE_DATA(nodeid)->bdata = &plat_node_bdata[nodeid];
NODE_DATA(nodeid)->node_start_pfn = start_pfn;
@@ -129,9 +146,15 @@ void __init setup_node_bootmem(int nodeid, unsigned long start, unsigned long en
/* Find a place for the bootmem map */
bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
bootmap_start = round_up(nodedata_phys + pgdat_size, PAGE_SIZE);
- bootmap_start = find_e820_area(bootmap_start, end, bootmap_pages<<PAGE_SHIFT);
- if (bootmap_start == -1L)
- panic("Not enough continuous space for bootmap on node %d", nodeid);
+ bootmap = early_node_mem(nodeid, bootmap_start, end,
+ bootmap_pages<<PAGE_SHIFT);
+ if (bootmap == NULL) {
+ if (nodedata_phys < start || nodedata_phys >= end)
+ free_bootmem((unsigned long)node_data[nodeid],pgdat_size);
+ node_data[nodeid] = NULL;
+ return;
+ }
+ bootmap_start = __pa(bootmap);
Dprintk("bootmap start %lu pages %lu\n", bootmap_start, bootmap_pages);
bootmap_size = init_bootmem_node(NODE_DATA(nodeid),
@@ -142,6 +165,9 @@ void __init setup_node_bootmem(int nodeid, unsigned long start, unsigned long en
reserve_bootmem_node(NODE_DATA(nodeid), nodedata_phys, pgdat_size);
reserve_bootmem_node(NODE_DATA(nodeid), bootmap_start, bootmap_pages<<PAGE_SHIFT);
+#ifdef CONFIG_ACPI_NUMA
+ srat_reserve_add_area(nodeid);
+#endif
node_set_online(nodeid);
}
@@ -335,6 +361,8 @@ __init int numa_setup(char *opt)
#ifdef CONFIG_ACPI_NUMA
if (!strncmp(opt,"noacpi",6))
acpi_numa = -1;
+ if (!strncmp(opt,"hotadd=", 7))
+ hotadd_percent = simple_strtoul(opt+7, NULL, 10);
#endif
return 1;
}
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c
index 2eb879590dc..15ae9fcd65a 100644
--- a/arch/x86_64/mm/srat.c
+++ b/arch/x86_64/mm/srat.c
@@ -15,15 +15,26 @@
#include <linux/bitmap.h>
#include <linux/module.h>
#include <linux/topology.h>
+#include <linux/bootmem.h>
+#include <linux/mm.h>
#include <asm/proto.h>
#include <asm/numa.h>
#include <asm/e820.h>
+#if (defined(CONFIG_ACPI_HOTPLUG_MEMORY) || \
+ defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)) \
+ && !defined(CONFIG_MEMORY_HOTPLUG)
+#define RESERVE_HOTADD 1
+#endif
+
static struct acpi_table_slit *acpi_slit;
static nodemask_t nodes_parsed __initdata;
static nodemask_t nodes_found __initdata;
static struct bootnode nodes[MAX_NUMNODES] __initdata;
+static struct bootnode nodes_add[MAX_NUMNODES] __initdata;
+static int found_add_area __initdata;
+int hotadd_percent __initdata = 10;
static u8 pxm2node[256] = { [0 ... 255] = 0xff };
/* Too small nodes confuse the VM badly. Usually they result
@@ -71,6 +82,10 @@ static __init int conflicting_nodes(unsigned long start, unsigned long end)
static __init void cutoff_node(int i, unsigned long start, unsigned long end)
{
struct bootnode *nd = &nodes[i];
+
+ if (found_add_area)
+ return;
+
if (nd->start < start) {
nd->start = start;
if (nd->end < nd->start)
@@ -90,6 +105,8 @@ static __init void bad_srat(void)
acpi_numa = -1;
for (i = 0; i < MAX_LOCAL_APIC; i++)
apicid_to_node[i] = NUMA_NO_NODE;
+ for (i = 0; i < MAX_NUMNODES; i++)
+ nodes_add[i].start = nodes[i].end = 0;
}
static __init inline int srat_disabled(void)
@@ -155,11 +172,114 @@ acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
pxm, pa->apic_id, node);
}
+#ifdef RESERVE_HOTADD
+/*
+ * Protect against too large hotadd areas that would fill up memory.
+ */
+static int hotadd_enough_memory(struct bootnode *nd)
+{
+ static unsigned long allocated;
+ static unsigned long last_area_end;
+ unsigned long pages = (nd->end - nd->start) >> PAGE_SHIFT;
+ long mem = pages * sizeof(struct page);
+ unsigned long addr;
+ unsigned long allowed;
+ unsigned long oldpages = pages;
+
+ if (mem < 0)
+ return 0;
+ allowed = (end_pfn - e820_hole_size(0, end_pfn)) * PAGE_SIZE;
+ allowed = (allowed / 100) * hotadd_percent;
+ if (allocated + mem > allowed) {
+ /* Give them at least part of their hotadd memory upto hotadd_percent
+ It would be better to spread the limit out
+ over multiple hotplug areas, but that is too complicated
+ right now */
+ if (allocated >= allowed)
+ return 0;
+ pages = (allowed - allocated + mem) / sizeof(struct page);
+ mem = pages * sizeof(struct page);
+ nd->end = nd->start + pages*PAGE_SIZE;
+ }
+ /* Not completely fool proof, but a good sanity check */
+ addr = find_e820_area(last_area_end, end_pfn<<PAGE_SHIFT, mem);
+ if (addr == -1UL)
+ return 0;
+ if (pages != oldpages)
+ printk(KERN_NOTICE "SRAT: Hotadd area limited to %lu bytes\n",
+ pages << PAGE_SHIFT);
+ last_area_end = addr + mem;
+ allocated += mem;
+ return 1;
+}
+
+/*
+ * It is fine to add this area to the nodes data it will be used later
+ * This code supports one contigious hot add area per node.
+ */
+static int reserve_hotadd(int node, unsigned long start, unsigned long end)
+{
+ unsigned long s_pfn = start >> PAGE_SHIFT;
+ unsigned long e_pfn = end >> PAGE_SHIFT;
+ int changed = 0;
+ struct bootnode *nd = &nodes_add[node];
+
+ /* I had some trouble with strange memory hotadd regions breaking
+ the boot. Be very strict here and reject anything unexpected.
+ If you want working memory hotadd write correct SRATs.
+
+ The node size check is a basic sanity check to guard against
+ mistakes */
+ if ((signed long)(end - start) < NODE_MIN_SIZE) {
+ printk(KERN_ERR "SRAT: Hotplug area too small\n");
+ return -1;
+ }
+
+ /* This check might be a bit too strict, but I'm keeping it for now. */
+ if (e820_hole_size(s_pfn, e_pfn) != e_pfn - s_pfn) {
+ printk(KERN_ERR "SRAT: Hotplug area has existing memory\n");
+ return -1;
+ }
+
+ if (!hotadd_enough_memory(&nodes_add[node])) {
+ printk(KERN_ERR "SRAT: Hotplug area too large\n");
+ return -1;
+ }
+
+ /* Looks good */
+
+ found_add_area = 1;
+ if (nd->start == nd->end) {
+ nd->start = start;
+ nd->end = end;
+ changed = 1;
+ } else {
+ if (nd->start == end) {
+ nd->start = start;
+ changed = 1;
+ }
+ if (nd->end == start) {
+ nd->end = end;
+ changed = 1;
+ }
+ if (!changed)
+ printk(KERN_ERR "SRAT: Hotplug zone not continuous. Partly ignored\n");
+ }
+
+ if ((nd->end >> PAGE_SHIFT) > end_pfn)
+ end_pfn = nd->end >> PAGE_SHIFT;
+
+ if (changed)
+ printk(KERN_INFO "SRAT: hot plug zone found %Lx - %Lx\n", nd->start, nd->end);
+ return 0;
+}
+#endif
+
/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */
void __init
acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
{
- struct bootnode *nd;
+ struct bootnode *nd, oldnode;
unsigned long start, end;
int node, pxm;
int i;
@@ -172,6 +292,8 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
}
if (ma->flags.enabled == 0)
return;
+ if (ma->flags.hot_pluggable && hotadd_percent == 0)
+ return;
start = ma->base_addr_lo | ((u64)ma->base_addr_hi << 32);
end = start + (ma->length_lo | ((u64)ma->length_hi << 32));
pxm = ma->proximity_domain;
@@ -181,10 +303,6 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
bad_srat();
return;
}
- /* It is fine to add this area to the nodes data it will be used later*/
- if (ma->flags.hot_pluggable == 1)
- printk(KERN_INFO "SRAT: hot plug zone found %lx - %lx \n",
- start, end);
i = conflicting_nodes(start, end);
if (i == node) {
printk(KERN_WARNING
@@ -199,6 +317,7 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
return;
}
nd = &nodes[node];
+ oldnode = *nd;
if (!node_test_and_set(node, nodes_parsed)) {
nd->start = start;
nd->end = end;
@@ -208,8 +327,19 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
if (nd->end < end)
nd->end = end;
}
+
printk(KERN_INFO "SRAT: Node %u PXM %u %Lx-%Lx\n", node, pxm,
nd->start, nd->end);
+
+#ifdef RESERVE_HOTADD
+ if (ma->flags.hot_pluggable && reserve_hotadd(node, start, end) < 0) {
+ /* Ignore hotadd region. Undo damage */
+ printk(KERN_NOTICE "SRAT: Hotplug region ignored\n");
+ *nd = oldnode;
+ if ((nd->start | nd->end) == 0)
+ node_clear(node, nodes_parsed);
+ }
+#endif
}
/* Sanity check to catch more bad SRATs (they are amazingly common).
@@ -225,6 +355,9 @@ static int nodes_cover_memory(void)
unsigned long e = nodes[i].end >> PAGE_SHIFT;
pxmram += e - s;
pxmram -= e820_hole_size(s, e);
+ pxmram -= nodes_add[i].end - nodes_add[i].start;
+ if ((long)pxmram < 0)
+ pxmram = 0;
}
e820ram = end_pfn - e820_hole_size(0, end_pfn);
@@ -258,7 +391,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
/* First clean up the node list */
for (i = 0; i < MAX_NUMNODES; i++) {
- cutoff_node(i, start, end);
+ cutoff_node(i, start, end);
if ((nodes[i].end - nodes[i].start) < NODE_MIN_SIZE)
unparse_node(i);
}
@@ -282,6 +415,12 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
/* Finally register nodes */
for_each_node_mask(i, nodes_parsed)
setup_node_bootmem(i, nodes[i].start, nodes[i].end);
+ /* Try again in case setup_node_bootmem missed one due
+ to missing bootmem */
+ for_each_node_mask(i, nodes_parsed)
+ if (!node_online(i))
+ setup_node_bootmem(i, nodes[i].start, nodes[i].end);
+
for (i = 0; i < NR_CPUS; i++) {
if (cpu_to_node[i] == NUMA_NO_NODE)
continue;
@@ -303,6 +442,25 @@ static int node_to_pxm(int n)
return 0;
}
+void __init srat_reserve_add_area(int nodeid)
+{
+ if (found_add_area && nodes_add[nodeid].end) {
+ u64 total_mb;
+
+ printk(KERN_INFO "SRAT: Reserving hot-add memory space "
+ "for node %d at %Lx-%Lx\n",
+ nodeid, nodes_add[nodeid].start, nodes_add[nodeid].end);
+ total_mb = (nodes_add[nodeid].end - nodes_add[nodeid].start)
+ >> PAGE_SHIFT;
+ total_mb *= sizeof(struct page);
+ total_mb >>= 20;
+ printk(KERN_INFO "SRAT: This will cost you %Lu MB of "
+ "pre-allocated memory.\n", (unsigned long long)total_mb);
+ reserve_bootmem_node(NODE_DATA(nodeid), nodes_add[nodeid].start,
+ nodes_add[nodeid].end - nodes_add[nodeid].start);
+ }
+}
+
int __node_distance(int a, int b)
{
int index;
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index e616500207e..a2060e4d5de 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -9,11 +9,16 @@
#include <linux/init.h>
#include <linux/acpi.h>
#include <linux/bitmap.h>
+#include <asm/e820.h>
+
#include "pci.h"
#define MMCONFIG_APER_SIZE (256*1024*1024)
+/* Verify the first 16 busses. We assume that systems with more busses
+ get MCFG right. */
+#define MAX_CHECK_BUS 16
-static DECLARE_BITMAP(fallback_slots, 32);
+static DECLARE_BITMAP(fallback_slots, 32*MAX_CHECK_BUS);
/* Static virtual mapping of the MMCONFIG aperture */
struct mmcfg_virt {
@@ -55,7 +60,8 @@ static char __iomem *get_virt(unsigned int seg, unsigned bus)
static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)
{
char __iomem *addr;
- if (seg == 0 && bus == 0 && test_bit(PCI_SLOT(devfn), fallback_slots))
+ if (seg == 0 && bus < MAX_CHECK_BUS &&
+ test_bit(32*bus + PCI_SLOT(devfn), fallback_slots))
return NULL;
addr = get_virt(seg, bus);
if (!addr)
@@ -69,8 +75,10 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
char __iomem *addr;
/* Why do we have this when nobody checks it. How about a BUG()!? -AK */
- if (unlikely(!value || (bus > 255) || (devfn > 255) || (reg > 4095)))
+ if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) {
+ *value = -1;
return -EINVAL;
+ }
addr = pci_dev_base(seg, bus, devfn);
if (!addr)
@@ -129,21 +137,26 @@ static struct pci_raw_ops pci_mmcfg = {
Normally this can be expressed in the MCFG by not listing them
and assigning suitable _SEGs, but this isn't implemented in some BIOS.
Instead try to discover all devices on bus 0 that are unreachable using MM
- and fallback for them.
- We only do this for bus 0/seg 0 */
+ and fallback for them. */
static __init void unreachable_devices(void)
{
- int i;
- for (i = 0; i < 32; i++) {
- u32 val1;
- char __iomem *addr;
-
- pci_conf1_read(0, 0, PCI_DEVFN(i,0), 0, 4, &val1);
- if (val1 == 0xffffffff)
- continue;
- addr = pci_dev_base(0, 0, PCI_DEVFN(i, 0));
- if (addr == NULL|| readl(addr) != val1) {
- set_bit(i, fallback_slots);
+ int i, k;
+ /* Use the max bus number from ACPI here? */
+ for (k = 0; k < MAX_CHECK_BUS; k++) {
+ for (i = 0; i < 32; i++) {
+ u32 val1;
+ char __iomem *addr;
+
+ pci_conf1_read(0, k, PCI_DEVFN(i,0), 0, 4, &val1);
+ if (val1 == 0xffffffff)
+ continue;
+ addr = pci_dev_base(0, k, PCI_DEVFN(i, 0));
+ if (addr == NULL|| readl(addr) != val1) {
+ set_bit(i + 32*k, fallback_slots);
+ printk(KERN_NOTICE
+ "PCI: No mmconfig possible on device %x:%x\n",
+ k, i);
+ }
}
}
}
@@ -161,6 +174,14 @@ void __init pci_mmcfg_init(void)
(pci_mmcfg_config[0].base_address == 0))
return;
+ if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
+ pci_mmcfg_config[0].base_address + MMCONFIG_APER_SIZE,
+ E820_RESERVED)) {
+ printk(KERN_ERR "PCI: BIOS Bug: MCFG area is not E820-reserved\n");
+ printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
+ return;
+ }
+
/* RED-PEN i386 doesn't do _nocache right now */
pci_mmcfg_virt = kmalloc(sizeof(*pci_mmcfg_virt) * pci_mmcfg_config_num, GFP_KERNEL);
if (pci_mmcfg_virt == NULL) {
diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c
index 152b9370789..a15b6e3e72c 100644
--- a/arch/xtensa/kernel/xtensa_ksyms.c
+++ b/arch/xtensa/kernel/xtensa_ksyms.c
@@ -48,7 +48,6 @@ EXPORT_SYMBOL(memchr);
EXPORT_SYMBOL(strcat);
EXPORT_SYMBOL(strchr);
EXPORT_SYMBOL(strlen);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strncat);
EXPORT_SYMBOL(strnlen);
EXPORT_SYMBOL(strrchr);