aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/.gitignore1
-rw-r--r--arch/x86/kernel/Makefile4
-rw-r--r--arch/x86/kernel/Makefile_322
-rw-r--r--arch/x86/kernel/alternative.c61
-rw-r--r--arch/x86/kernel/apic_32.c1
-rw-r--r--arch/x86/kernel/apic_64.c4
-rw-r--r--arch/x86/kernel/cpu/amd.c15
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k7.c2
-rw-r--r--arch/x86/kernel/cpu/intel.c17
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c15
-rw-r--r--arch/x86/kernel/cpu/mcheck/p4.c1
-rw-r--r--arch/x86/kernel/cpu/mcheck/therm_throt.c2
-rw-r--r--arch/x86/kernel/cpu/mtrr/main.c8
-rw-r--r--arch/x86/kernel/cpu/perfctr-watchdog.c14
-rw-r--r--arch/x86/kernel/cpuid.c28
-rw-r--r--arch/x86/kernel/entry_64.S2
-rw-r--r--arch/x86/kernel/genapic_64.c2
-rw-r--r--arch/x86/kernel/genapic_flat_64.c1
-rw-r--r--arch/x86/kernel/head_32.S21
-rw-r--r--arch/x86/kernel/i386_ksyms_32.c1
-rw-r--r--arch/x86/kernel/i8259_32.c6
-rw-r--r--arch/x86/kernel/i8259_64.c6
-rw-r--r--arch/x86/kernel/io_apic_32.c5
-rw-r--r--arch/x86/kernel/io_apic_64.c11
-rw-r--r--arch/x86/kernel/irq_32.c49
-rw-r--r--arch/x86/kernel/irq_64.c48
-rw-r--r--arch/x86/kernel/ldt_32.c14
-rw-r--r--arch/x86/kernel/ldt_64.c14
-rw-r--r--arch/x86/kernel/mce_64.c4
-rw-r--r--arch/x86/kernel/mce_amd_64.c1
-rw-r--r--arch/x86/kernel/mce_intel_64.c1
-rw-r--r--arch/x86/kernel/msr.c4
-rw-r--r--arch/x86/kernel/pci-calgary_64.c41
-rw-r--r--arch/x86/kernel/pci-dma_32.c1
-rw-r--r--arch/x86/kernel/pci-dma_64.c8
-rw-r--r--arch/x86/kernel/pci-gart_64.c4
-rw-r--r--arch/x86/kernel/ptrace_32.c4
-rw-r--r--arch/x86/kernel/ptrace_64.c4
-rw-r--r--arch/x86/kernel/setup_64.c6
-rw-r--r--arch/x86/kernel/signal_32.c2
-rw-r--r--arch/x86/kernel/smp_32.c10
-rw-r--r--arch/x86/kernel/smp_64.c3
-rw-r--r--arch/x86/kernel/smpboot_32.c12
-rw-r--r--arch/x86/kernel/smpboot_64.c5
-rw-r--r--arch/x86/kernel/stacktrace.c2
-rw-r--r--arch/x86/kernel/tce_64.c4
-rw-r--r--arch/x86/kernel/topology.c6
-rw-r--r--arch/x86/kernel/trampoline_32.S4
-rw-r--r--arch/x86/kernel/trampoline_64.S7
-rw-r--r--arch/x86/kernel/traps_32.c37
-rw-r--r--arch/x86/kernel/traps_64.c4
-rw-r--r--arch/x86/kernel/tsc_32.c6
-rw-r--r--arch/x86/kernel/vsyscall_64.c3
53 files changed, 337 insertions, 201 deletions
diff --git a/arch/x86/kernel/.gitignore b/arch/x86/kernel/.gitignore
index 40836ad9079c..4ea38a39aed4 100644
--- a/arch/x86/kernel/.gitignore
+++ b/arch/x86/kernel/.gitignore
@@ -1 +1,2 @@
1vsyscall.lds 1vsyscall.lds
2vsyscall_32.lds
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 45855c97923e..38573340b143 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -3,3 +3,7 @@ include ${srctree}/arch/x86/kernel/Makefile_32
3else 3else
4include ${srctree}/arch/x86/kernel/Makefile_64 4include ${srctree}/arch/x86/kernel/Makefile_64
5endif 5endif
6
7# Workaround to delete .lds files with make clean
8# The problem is that we do not enter Makefile_32 with make clean.
9clean-files := vsyscall*.lds vsyscall*.so
diff --git a/arch/x86/kernel/Makefile_32 b/arch/x86/kernel/Makefile_32
index 7ff02063b858..a3fa11f8f460 100644
--- a/arch/x86/kernel/Makefile_32
+++ b/arch/x86/kernel/Makefile_32
@@ -51,7 +51,7 @@ obj-$(CONFIG_SCx200) += scx200_32.o
51# We must build both images before we can assemble it. 51# We must build both images before we can assemble it.
52# Note: kbuild does not track this dependency due to usage of .incbin 52# Note: kbuild does not track this dependency due to usage of .incbin
53$(obj)/vsyscall_32.o: $(obj)/vsyscall-int80_32.so $(obj)/vsyscall-sysenter_32.so 53$(obj)/vsyscall_32.o: $(obj)/vsyscall-int80_32.so $(obj)/vsyscall-sysenter_32.so
54targets += $(foreach F,int80 sysenter,vsyscall-$F.o vsyscall-$F.so) 54targets += $(foreach F,int80 sysenter,vsyscall-$F_32.o vsyscall-$F_32.so)
55targets += vsyscall-note_32.o vsyscall_32.lds 55targets += vsyscall-note_32.o vsyscall_32.lds
56 56
57# The DSO images are built using a special linker script. 57# The DSO images are built using a special linker script.
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 42421437ded3..3bd2688bd443 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -63,11 +63,11 @@ __setup("noreplace-paravirt", setup_noreplace_paravirt);
63/* Use inline assembly to define this because the nops are defined 63/* Use inline assembly to define this because the nops are defined
64 as inline assembly strings in the include files and we cannot 64 as inline assembly strings in the include files and we cannot
65 get them easily into strings. */ 65 get them easily into strings. */
66asm("\t.data\nintelnops: " 66asm("\t.section .rodata, \"a\"\nintelnops: "
67 GENERIC_NOP1 GENERIC_NOP2 GENERIC_NOP3 GENERIC_NOP4 GENERIC_NOP5 GENERIC_NOP6 67 GENERIC_NOP1 GENERIC_NOP2 GENERIC_NOP3 GENERIC_NOP4 GENERIC_NOP5 GENERIC_NOP6
68 GENERIC_NOP7 GENERIC_NOP8); 68 GENERIC_NOP7 GENERIC_NOP8);
69extern unsigned char intelnops[]; 69extern const unsigned char intelnops[];
70static unsigned char *intel_nops[ASM_NOP_MAX+1] = { 70static const unsigned char *const intel_nops[ASM_NOP_MAX+1] = {
71 NULL, 71 NULL,
72 intelnops, 72 intelnops,
73 intelnops + 1, 73 intelnops + 1,
@@ -81,11 +81,11 @@ static unsigned char *intel_nops[ASM_NOP_MAX+1] = {
81#endif 81#endif
82 82
83#ifdef K8_NOP1 83#ifdef K8_NOP1
84asm("\t.data\nk8nops: " 84asm("\t.section .rodata, \"a\"\nk8nops: "
85 K8_NOP1 K8_NOP2 K8_NOP3 K8_NOP4 K8_NOP5 K8_NOP6 85 K8_NOP1 K8_NOP2 K8_NOP3 K8_NOP4 K8_NOP5 K8_NOP6
86 K8_NOP7 K8_NOP8); 86 K8_NOP7 K8_NOP8);
87extern unsigned char k8nops[]; 87extern const unsigned char k8nops[];
88static unsigned char *k8_nops[ASM_NOP_MAX+1] = { 88static const unsigned char *const k8_nops[ASM_NOP_MAX+1] = {
89 NULL, 89 NULL,
90 k8nops, 90 k8nops,
91 k8nops + 1, 91 k8nops + 1,
@@ -99,11 +99,11 @@ static unsigned char *k8_nops[ASM_NOP_MAX+1] = {
99#endif 99#endif
100 100
101#ifdef K7_NOP1 101#ifdef K7_NOP1
102asm("\t.data\nk7nops: " 102asm("\t.section .rodata, \"a\"\nk7nops: "
103 K7_NOP1 K7_NOP2 K7_NOP3 K7_NOP4 K7_NOP5 K7_NOP6 103 K7_NOP1 K7_NOP2 K7_NOP3 K7_NOP4 K7_NOP5 K7_NOP6
104 K7_NOP7 K7_NOP8); 104 K7_NOP7 K7_NOP8);
105extern unsigned char k7nops[]; 105extern const unsigned char k7nops[];
106static unsigned char *k7_nops[ASM_NOP_MAX+1] = { 106static const unsigned char *const k7_nops[ASM_NOP_MAX+1] = {
107 NULL, 107 NULL,
108 k7nops, 108 k7nops,
109 k7nops + 1, 109 k7nops + 1,
@@ -116,28 +116,49 @@ static unsigned char *k7_nops[ASM_NOP_MAX+1] = {
116}; 116};
117#endif 117#endif
118 118
119#ifdef P6_NOP1
120asm("\t.section .rodata, \"a\"\np6nops: "
121 P6_NOP1 P6_NOP2 P6_NOP3 P6_NOP4 P6_NOP5 P6_NOP6
122 P6_NOP7 P6_NOP8);
123extern const unsigned char p6nops[];
124static const unsigned char *const p6_nops[ASM_NOP_MAX+1] = {
125 NULL,
126 p6nops,
127 p6nops + 1,
128 p6nops + 1 + 2,
129 p6nops + 1 + 2 + 3,
130 p6nops + 1 + 2 + 3 + 4,
131 p6nops + 1 + 2 + 3 + 4 + 5,
132 p6nops + 1 + 2 + 3 + 4 + 5 + 6,
133 p6nops + 1 + 2 + 3 + 4 + 5 + 6 + 7,
134};
135#endif
136
119#ifdef CONFIG_X86_64 137#ifdef CONFIG_X86_64
120 138
121extern char __vsyscall_0; 139extern char __vsyscall_0;
122static inline unsigned char** find_nop_table(void) 140static inline const unsigned char*const * find_nop_table(void)
123{ 141{
124 return k8_nops; 142 return boot_cpu_data.x86_vendor != X86_VENDOR_INTEL ||
143 boot_cpu_data.x86 < 6 ? k8_nops : p6_nops;
125} 144}
126 145
127#else /* CONFIG_X86_64 */ 146#else /* CONFIG_X86_64 */
128 147
129static struct nop { 148static const struct nop {
130 int cpuid; 149 int cpuid;
131 unsigned char **noptable; 150 const unsigned char *const *noptable;
132} noptypes[] = { 151} noptypes[] = {
133 { X86_FEATURE_K8, k8_nops }, 152 { X86_FEATURE_K8, k8_nops },
134 { X86_FEATURE_K7, k7_nops }, 153 { X86_FEATURE_K7, k7_nops },
154 { X86_FEATURE_P4, p6_nops },
155 { X86_FEATURE_P3, p6_nops },
135 { -1, NULL } 156 { -1, NULL }
136}; 157};
137 158
138static unsigned char** find_nop_table(void) 159static const unsigned char*const * find_nop_table(void)
139{ 160{
140 unsigned char **noptable = intel_nops; 161 const unsigned char *const *noptable = intel_nops;
141 int i; 162 int i;
142 163
143 for (i = 0; noptypes[i].cpuid >= 0; i++) { 164 for (i = 0; noptypes[i].cpuid >= 0; i++) {
@@ -154,7 +175,7 @@ static unsigned char** find_nop_table(void)
154/* Use this to add nops to a buffer, then text_poke the whole buffer. */ 175/* Use this to add nops to a buffer, then text_poke the whole buffer. */
155static void add_nops(void *insns, unsigned int len) 176static void add_nops(void *insns, unsigned int len)
156{ 177{
157 unsigned char **noptable = find_nop_table(); 178 const unsigned char *const *noptable = find_nop_table();
158 179
159 while (len > 0) { 180 while (len > 0) {
160 unsigned int noplen = len; 181 unsigned int noplen = len;
@@ -415,9 +436,6 @@ void __init alternative_instructions(void)
415 alternatives_smp_unlock(__smp_locks, __smp_locks_end, 436 alternatives_smp_unlock(__smp_locks, __smp_locks_end,
416 _text, _etext); 437 _text, _etext);
417 } 438 }
418 free_init_pages("SMP alternatives",
419 (unsigned long)__smp_locks,
420 (unsigned long)__smp_locks_end);
421 } else { 439 } else {
422 alternatives_smp_module_add(NULL, "core kernel", 440 alternatives_smp_module_add(NULL, "core kernel",
423 __smp_locks, __smp_locks_end, 441 __smp_locks, __smp_locks_end,
@@ -428,6 +446,11 @@ void __init alternative_instructions(void)
428 apply_paravirt(__parainstructions, __parainstructions_end); 446 apply_paravirt(__parainstructions, __parainstructions_end);
429 local_irq_restore(flags); 447 local_irq_restore(flags);
430 448
449 if (smp_alt_once)
450 free_init_pages("SMP alternatives",
451 (unsigned long)__smp_locks,
452 (unsigned long)__smp_locks_end);
453
431 restart_nmi(); 454 restart_nmi();
432#ifdef CONFIG_X86_MCE 455#ifdef CONFIG_X86_MCE
433 restart_mce(); 456 restart_mce();
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 3d67ae18d762..793341fffc81 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1277,6 +1277,7 @@ void smp_spurious_interrupt(struct pt_regs *regs)
1277 /* see sw-dev-man vol 3, chapter 7.4.13.5 */ 1277 /* see sw-dev-man vol 3, chapter 7.4.13.5 */
1278 printk(KERN_INFO "spurious APIC interrupt on CPU#%d, " 1278 printk(KERN_INFO "spurious APIC interrupt on CPU#%d, "
1279 "should never happen.\n", smp_processor_id()); 1279 "should never happen.\n", smp_processor_id());
1280 __get_cpu_var(irq_stat).irq_spurious_count++;
1280 irq_exit(); 1281 irq_exit();
1281} 1282}
1282 1283
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 09b82093bc75..f47bc493dba9 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -974,15 +974,12 @@ void __init setup_boot_APIC_clock (void)
974 */ 974 */
975void __cpuinit check_boot_apic_timer_broadcast(void) 975void __cpuinit check_boot_apic_timer_broadcast(void)
976{ 976{
977 struct clock_event_device *levt = &per_cpu(lapic_events, boot_cpu_id);
978
979 if (!disable_apic_timer || 977 if (!disable_apic_timer ||
980 (lapic_clockevent.features & CLOCK_EVT_FEAT_DUMMY)) 978 (lapic_clockevent.features & CLOCK_EVT_FEAT_DUMMY))
981 return; 979 return;
982 980
983 printk(KERN_INFO "AMD C1E detected late. Force timer broadcast.\n"); 981 printk(KERN_INFO "AMD C1E detected late. Force timer broadcast.\n");
984 lapic_clockevent.features |= CLOCK_EVT_FEAT_DUMMY; 982 lapic_clockevent.features |= CLOCK_EVT_FEAT_DUMMY;
985 levt->features |= CLOCK_EVT_FEAT_DUMMY;
986 983
987 local_irq_enable(); 984 local_irq_enable();
988 clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_FORCE, &boot_cpu_id); 985 clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_FORCE, &boot_cpu_id);
@@ -1143,6 +1140,7 @@ asmlinkage void smp_spurious_interrupt(void)
1143 if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f))) 1140 if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f)))
1144 ack_APIC_irq(); 1141 ack_APIC_irq();
1145 1142
1143 add_pda(irq_spurious_count, 1);
1146 irq_exit(); 1144 irq_exit();
1147} 1145}
1148 1146
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index dcf6bbb1c7c0..5f8af875f457 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -4,6 +4,7 @@
4#include <asm/io.h> 4#include <asm/io.h>
5#include <asm/processor.h> 5#include <asm/processor.h>
6#include <asm/apic.h> 6#include <asm/apic.h>
7#include <asm/mach_apic.h>
7 8
8#include "cpu.h" 9#include "cpu.h"
9 10
@@ -45,13 +46,17 @@ static __cpuinit int amd_apic_timer_broken(void)
45 case CPUID_XFAM_10H: 46 case CPUID_XFAM_10H:
46 case CPUID_XFAM_11H: 47 case CPUID_XFAM_11H:
47 rdmsr(MSR_K8_ENABLE_C1E, lo, hi); 48 rdmsr(MSR_K8_ENABLE_C1E, lo, hi);
48 if (lo & ENABLE_C1E_MASK) 49 if (lo & ENABLE_C1E_MASK) {
50 if (smp_processor_id() != boot_cpu_physical_apicid)
51 printk(KERN_INFO "AMD C1E detected late. "
52 " Force timer broadcast.\n");
49 return 1; 53 return 1;
50 break; 54 }
51 default: 55 break;
52 /* err on the side of caution */ 56 default:
57 /* err on the side of caution */
53 return 1; 58 return 1;
54 } 59 }
55 return 0; 60 return 0;
56} 61}
57#endif 62#endif
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
index 7decd6a50ffa..f3686a5f2308 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
@@ -565,7 +565,7 @@ static unsigned int powernow_get(unsigned int cpu)
565} 565}
566 566
567 567
568static int __init acer_cpufreq_pst(struct dmi_system_id *d) 568static int __init acer_cpufreq_pst(const struct dmi_system_id *d)
569{ 569{
570 printk(KERN_WARNING "%s laptop with broken PST tables in BIOS detected.\n", d->ident); 570 printk(KERN_WARNING "%s laptop with broken PST tables in BIOS detected.\n", d->ident);
571 printk(KERN_WARNING "You need to downgrade to 3A21 (09/09/2002), or try a newer BIOS than 3A71 (01/20/2003)\n"); 571 printk(KERN_WARNING "You need to downgrade to 3A21 (09/09/2002), or try a newer BIOS than 3A71 (01/20/2003)\n");
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index dc4e08147b1f..cc8c501b9f39 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -8,6 +8,7 @@
8#include <linux/module.h> 8#include <linux/module.h>
9 9
10#include <asm/processor.h> 10#include <asm/processor.h>
11#include <asm/pgtable.h>
11#include <asm/msr.h> 12#include <asm/msr.h>
12#include <asm/uaccess.h> 13#include <asm/uaccess.h>
13 14
@@ -19,8 +20,6 @@
19#include <mach_apic.h> 20#include <mach_apic.h>
20#endif 21#endif
21 22
22extern int trap_init_f00f_bug(void);
23
24#ifdef CONFIG_X86_INTEL_USERCOPY 23#ifdef CONFIG_X86_INTEL_USERCOPY
25/* 24/*
26 * Alignment at which movsl is preferred for bulk memory copies. 25 * Alignment at which movsl is preferred for bulk memory copies.
@@ -95,6 +94,20 @@ static int __cpuinit num_cpu_cores(struct cpuinfo_x86 *c)
95 return 1; 94 return 1;
96} 95}
97 96
97#ifdef CONFIG_X86_F00F_BUG
98static void __cpuinit trap_init_f00f_bug(void)
99{
100 __set_fixmap(FIX_F00F_IDT, __pa(&idt_table), PAGE_KERNEL_RO);
101
102 /*
103 * Update the IDT descriptor and reload the IDT so that
104 * it uses the read-only mapped virtual address.
105 */
106 idt_descr.address = fix_to_virt(FIX_F00F_IDT);
107 load_idt(&idt_descr);
108}
109#endif
110
98static void __cpuinit init_intel(struct cpuinfo_x86 *c) 111static void __cpuinit init_intel(struct cpuinfo_x86 *c)
99{ 112{
100 unsigned int l2 = 0; 113 unsigned int l2 = 0;
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index db6c25aa5776..1826395ebeeb 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -170,15 +170,15 @@ union l3_cache {
170 unsigned val; 170 unsigned val;
171}; 171};
172 172
173static const unsigned short assocs[] = { 173static unsigned short assocs[] __cpuinitdata = {
174 [1] = 1, [2] = 2, [4] = 4, [6] = 8, 174 [1] = 1, [2] = 2, [4] = 4, [6] = 8,
175 [8] = 16, [0xa] = 32, [0xb] = 48, 175 [8] = 16, [0xa] = 32, [0xb] = 48,
176 [0xc] = 64, 176 [0xc] = 64,
177 [0xf] = 0xffff // ?? 177 [0xf] = 0xffff // ??
178}; 178};
179 179
180static const unsigned char levels[] = { 1, 1, 2, 3 }; 180static unsigned char levels[] __cpuinitdata = { 1, 1, 2, 3 };
181static const unsigned char types[] = { 1, 2, 3, 3 }; 181static unsigned char types[] __cpuinitdata = { 1, 2, 3, 3 };
182 182
183static void __cpuinit amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax, 183static void __cpuinit amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax,
184 union _cpuid4_leaf_ebx *ebx, 184 union _cpuid4_leaf_ebx *ebx,
@@ -493,8 +493,8 @@ static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index)
493 } 493 }
494} 494}
495#else 495#else
496static void __init cache_shared_cpu_map_setup(unsigned int cpu, int index) {} 496static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index) {}
497static void __init cache_remove_shared_cpu_map(unsigned int cpu, int index) {} 497static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index) {}
498#endif 498#endif
499 499
500static void free_cache_attributes(unsigned int cpu) 500static void free_cache_attributes(unsigned int cpu)
@@ -794,8 +794,9 @@ static int __cpuinit cache_sysfs_init(void)
794 register_hotcpu_notifier(&cacheinfo_cpu_notifier); 794 register_hotcpu_notifier(&cacheinfo_cpu_notifier);
795 795
796 for_each_online_cpu(i) { 796 for_each_online_cpu(i) {
797 cacheinfo_cpu_callback(&cacheinfo_cpu_notifier, CPU_ONLINE, 797 struct sys_device *sys_dev = get_cpu_sysdev((unsigned int)i);
798 (void *)(long)i); 798
799 cache_add_dev(sys_dev);
799 } 800 }
800 801
801 return 0; 802 return 0;
diff --git a/arch/x86/kernel/cpu/mcheck/p4.c b/arch/x86/kernel/cpu/mcheck/p4.c
index 1509edfb2313..be4dabfee1f5 100644
--- a/arch/x86/kernel/cpu/mcheck/p4.c
+++ b/arch/x86/kernel/cpu/mcheck/p4.c
@@ -61,6 +61,7 @@ fastcall void smp_thermal_interrupt(struct pt_regs *regs)
61{ 61{
62 irq_enter(); 62 irq_enter();
63 vendor_thermal_interrupt(regs); 63 vendor_thermal_interrupt(regs);
64 __get_cpu_var(irq_stat).irq_thermal_count++;
64 irq_exit(); 65 irq_exit();
65} 66}
66 67
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index 1203dc5ab87a..494d320d909b 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -152,7 +152,7 @@ static __cpuinit int thermal_throttle_cpu_callback(struct notifier_block *nfb,
152 return NOTIFY_OK; 152 return NOTIFY_OK;
153} 153}
154 154
155static struct notifier_block thermal_throttle_cpu_notifier = 155static struct notifier_block thermal_throttle_cpu_notifier __cpuinitdata =
156{ 156{
157 .notifier_call = thermal_throttle_cpu_callback, 157 .notifier_call = thermal_throttle_cpu_callback,
158}; 158};
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index c48b6fea5ab4..5e4be30ff903 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -738,13 +738,7 @@ void mtrr_ap_init(void)
738 */ 738 */
739void mtrr_save_state(void) 739void mtrr_save_state(void)
740{ 740{
741 int cpu = get_cpu(); 741 smp_call_function_single(0, mtrr_save_fixed_ranges, NULL, 1, 1);
742
743 if (cpu == 0)
744 mtrr_save_fixed_ranges(NULL);
745 else
746 smp_call_function_single(0, mtrr_save_fixed_ranges, NULL, 1, 1);
747 put_cpu();
748} 742}
749 743
750static int __init mtrr_init_finialize(void) 744static int __init mtrr_init_finialize(void)
diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c
index 93fecd4b03de..54cdbf1a40f1 100644
--- a/arch/x86/kernel/cpu/perfctr-watchdog.c
+++ b/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -34,7 +34,7 @@ struct wd_ops {
34 u64 checkbit; 34 u64 checkbit;
35}; 35};
36 36
37static struct wd_ops *wd_ops; 37static const struct wd_ops *wd_ops;
38 38
39/* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's 39/* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's
40 * offset from MSR_P4_BSU_ESCR0. It will be the max for all platforms (for now) 40 * offset from MSR_P4_BSU_ESCR0. It will be the max for all platforms (for now)
@@ -317,7 +317,7 @@ static void single_msr_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
317 write_watchdog_counter(wd->perfctr_msr, NULL, nmi_hz); 317 write_watchdog_counter(wd->perfctr_msr, NULL, nmi_hz);
318} 318}
319 319
320static struct wd_ops k7_wd_ops = { 320static const struct wd_ops k7_wd_ops = {
321 .reserve = single_msr_reserve, 321 .reserve = single_msr_reserve,
322 .unreserve = single_msr_unreserve, 322 .unreserve = single_msr_unreserve,
323 .setup = setup_k7_watchdog, 323 .setup = setup_k7_watchdog,
@@ -380,7 +380,7 @@ static void p6_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
380 write_watchdog_counter32(wd->perfctr_msr, NULL,nmi_hz); 380 write_watchdog_counter32(wd->perfctr_msr, NULL,nmi_hz);
381} 381}
382 382
383static struct wd_ops p6_wd_ops = { 383static const struct wd_ops p6_wd_ops = {
384 .reserve = single_msr_reserve, 384 .reserve = single_msr_reserve,
385 .unreserve = single_msr_unreserve, 385 .unreserve = single_msr_unreserve,
386 .setup = setup_p6_watchdog, 386 .setup = setup_p6_watchdog,
@@ -532,7 +532,7 @@ static void p4_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
532 write_watchdog_counter(wd->perfctr_msr, NULL, nmi_hz); 532 write_watchdog_counter(wd->perfctr_msr, NULL, nmi_hz);
533} 533}
534 534
535static struct wd_ops p4_wd_ops = { 535static const struct wd_ops p4_wd_ops = {
536 .reserve = p4_reserve, 536 .reserve = p4_reserve,
537 .unreserve = p4_unreserve, 537 .unreserve = p4_unreserve,
538 .setup = setup_p4_watchdog, 538 .setup = setup_p4_watchdog,
@@ -550,6 +550,8 @@ static struct wd_ops p4_wd_ops = {
550#define ARCH_PERFMON_NMI_EVENT_SEL ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL 550#define ARCH_PERFMON_NMI_EVENT_SEL ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL
551#define ARCH_PERFMON_NMI_EVENT_UMASK ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK 551#define ARCH_PERFMON_NMI_EVENT_UMASK ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK
552 552
553static struct wd_ops intel_arch_wd_ops;
554
553static int setup_intel_arch_watchdog(unsigned nmi_hz) 555static int setup_intel_arch_watchdog(unsigned nmi_hz)
554{ 556{
555 unsigned int ebx; 557 unsigned int ebx;
@@ -591,11 +593,11 @@ static int setup_intel_arch_watchdog(unsigned nmi_hz)
591 wd->perfctr_msr = perfctr_msr; 593 wd->perfctr_msr = perfctr_msr;
592 wd->evntsel_msr = evntsel_msr; 594 wd->evntsel_msr = evntsel_msr;
593 wd->cccr_msr = 0; //unused 595 wd->cccr_msr = 0; //unused
594 wd_ops->checkbit = 1ULL << (eax.split.bit_width - 1); 596 intel_arch_wd_ops.checkbit = 1ULL << (eax.split.bit_width - 1);
595 return 1; 597 return 1;
596} 598}
597 599
598static struct wd_ops intel_arch_wd_ops = { 600static struct wd_ops intel_arch_wd_ops __read_mostly = {
599 .reserve = single_msr_reserve, 601 .reserve = single_msr_reserve,
600 .unreserve = single_msr_unreserve, 602 .unreserve = single_msr_unreserve,
601 .setup = setup_intel_arch_watchdog, 603 .setup = setup_intel_arch_watchdog,
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index f4548c93ccf5..70dcf912d9fb 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -43,8 +43,6 @@
43 43
44static struct class *cpuid_class; 44static struct class *cpuid_class;
45 45
46#ifdef CONFIG_SMP
47
48struct cpuid_command { 46struct cpuid_command {
49 u32 reg; 47 u32 reg;
50 u32 *data; 48 u32 *data;
@@ -62,25 +60,11 @@ static inline void do_cpuid(int cpu, u32 reg, u32 * data)
62{ 60{
63 struct cpuid_command cmd; 61 struct cpuid_command cmd;
64 62
65 preempt_disable(); 63 cmd.reg = reg;
66 if (cpu == smp_processor_id()) { 64 cmd.data = data;
67 cpuid(reg, &data[0], &data[1], &data[2], &data[3]);
68 } else {
69 cmd.reg = reg;
70 cmd.data = data;
71 65
72 smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1, 1); 66 smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1, 1);
73 }
74 preempt_enable();
75} 67}
76#else /* ! CONFIG_SMP */
77
78static inline void do_cpuid(int cpu, u32 reg, u32 * data)
79{
80 cpuid(reg, &data[0], &data[1], &data[2], &data[3]);
81}
82
83#endif /* ! CONFIG_SMP */
84 68
85static loff_t cpuid_seek(struct file *file, loff_t offset, int orig) 69static loff_t cpuid_seek(struct file *file, loff_t offset, int orig)
86{ 70{
@@ -150,7 +134,7 @@ static const struct file_operations cpuid_fops = {
150 .open = cpuid_open, 134 .open = cpuid_open,
151}; 135};
152 136
153static int cpuid_device_create(int i) 137static int __cpuinit cpuid_device_create(int i)
154{ 138{
155 int err = 0; 139 int err = 0;
156 struct device *dev; 140 struct device *dev;
@@ -161,7 +145,9 @@ static int cpuid_device_create(int i)
161 return err; 145 return err;
162} 146}
163 147
164static int cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) 148static int __cpuinit cpuid_class_cpu_callback(struct notifier_block *nfb,
149 unsigned long action,
150 void *hcpu)
165{ 151{
166 unsigned int cpu = (unsigned long)hcpu; 152 unsigned int cpu = (unsigned long)hcpu;
167 153
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index f1cacd4897f7..3a058bb16409 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -988,7 +988,7 @@ child_rip:
988 movq %rsi, %rdi 988 movq %rsi, %rdi
989 call *%rax 989 call *%rax
990 # exit 990 # exit
991 xorl %edi, %edi 991 mov %eax, %edi
992 call do_exit 992 call do_exit
993 CFI_ENDPROC 993 CFI_ENDPROC
994ENDPROC(child_rip) 994ENDPROC(child_rip)
diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c
index 47496a40e84f..4ae03e3e8294 100644
--- a/arch/x86/kernel/genapic_64.c
+++ b/arch/x86/kernel/genapic_64.c
@@ -29,8 +29,6 @@ u8 x86_cpu_to_apicid[NR_CPUS] __read_mostly
29 = { [0 ... NR_CPUS-1] = BAD_APICID }; 29 = { [0 ... NR_CPUS-1] = BAD_APICID };
30EXPORT_SYMBOL(x86_cpu_to_apicid); 30EXPORT_SYMBOL(x86_cpu_to_apicid);
31 31
32u8 x86_cpu_to_log_apicid[NR_CPUS] = { [0 ... NR_CPUS-1] = BAD_APICID };
33
34struct genapic __read_mostly *genapic = &apic_flat; 32struct genapic __read_mostly *genapic = &apic_flat;
35 33
36/* 34/*
diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c
index ecb01eefdd27..91c7526768ee 100644
--- a/arch/x86/kernel/genapic_flat_64.c
+++ b/arch/x86/kernel/genapic_flat_64.c
@@ -52,7 +52,6 @@ static void flat_init_apic_ldr(void)
52 52
53 num = smp_processor_id(); 53 num = smp_processor_id();
54 id = 1UL << num; 54 id = 1UL << num;
55 x86_cpu_to_log_apicid[num] = id;
56 apic_write(APIC_DFR, APIC_DFR_FLAT); 55 apic_write(APIC_DFR, APIC_DFR_FLAT);
57 val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; 56 val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
58 val |= SET_APIC_LOGICAL_ID(id); 57 val |= SET_APIC_LOGICAL_ID(id);
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 9150ca9b5f80..39677965e161 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -51,6 +51,15 @@
51 */ 51 */
52LOW_PAGES = 1<<(32-PAGE_SHIFT_asm) 52LOW_PAGES = 1<<(32-PAGE_SHIFT_asm)
53 53
54/*
55 * To preserve the DMA pool in PAGEALLOC kernels, we'll allocate
56 * pagetables from above the 16MB DMA limit, so we'll have to set
57 * up pagetables 16MB more (worst-case):
58 */
59#ifdef CONFIG_DEBUG_PAGEALLOC
60LOW_PAGES = LOW_PAGES + 0x1000000
61#endif
62
54#if PTRS_PER_PMD > 1 63#if PTRS_PER_PMD > 1
55PAGE_TABLE_SIZE = (LOW_PAGES / PTRS_PER_PMD) + PTRS_PER_PGD 64PAGE_TABLE_SIZE = (LOW_PAGES / PTRS_PER_PMD) + PTRS_PER_PGD
56#else 65#else
@@ -443,6 +452,7 @@ early_page_fault:
443early_fault: 452early_fault:
444 cld 453 cld
445#ifdef CONFIG_PRINTK 454#ifdef CONFIG_PRINTK
455 pusha
446 movl $(__KERNEL_DS),%eax 456 movl $(__KERNEL_DS),%eax
447 movl %eax,%ds 457 movl %eax,%ds
448 movl %eax,%es 458 movl %eax,%es
@@ -534,8 +544,15 @@ int_msg:
534 .asciz "Unknown interrupt or fault at EIP %p %p %p\n" 544 .asciz "Unknown interrupt or fault at EIP %p %p %p\n"
535 545
536fault_msg: 546fault_msg:
537 .ascii "Int %d: CR2 %p err %p EIP %p CS %p flags %p\n" 547 .ascii \
538 .asciz "Stack: %p %p %p %p %p %p %p %p\n" 548/* fault info: */ "BUG: Int %d: CR2 %p\n" \
549/* pusha regs: */ " EDI %p ESI %p EBP %p ESP %p\n" \
550 " EBX %p EDX %p ECX %p EAX %p\n" \
551/* fault frame: */ " err %p EIP %p CS %p flg %p\n" \
552 \
553 "Stack: %p %p %p %p %p %p %p %p\n" \
554 " %p %p %p %p %p %p %p %p\n" \
555 " %p %p %p %p %p %p %p %p\n"
539 556
540#include "../../x86/xen/xen-head.S" 557#include "../../x86/xen/xen-head.S"
541 558
diff --git a/arch/x86/kernel/i386_ksyms_32.c b/arch/x86/kernel/i386_ksyms_32.c
index e3d4b73bfdb0..edd39ccf139e 100644
--- a/arch/x86/kernel/i386_ksyms_32.c
+++ b/arch/x86/kernel/i386_ksyms_32.c
@@ -1,4 +1,5 @@
1#include <linux/module.h> 1#include <linux/module.h>
2#include <asm/semaphore.h>
2#include <asm/checksum.h> 3#include <asm/checksum.h>
3#include <asm/desc.h> 4#include <asm/desc.h>
4 5
diff --git a/arch/x86/kernel/i8259_32.c b/arch/x86/kernel/i8259_32.c
index 679bb33acbf1..d34a10cc13a7 100644
--- a/arch/x86/kernel/i8259_32.c
+++ b/arch/x86/kernel/i8259_32.c
@@ -349,7 +349,11 @@ static irqreturn_t math_error_irq(int cpl, void *dev_id)
349 * New motherboards sometimes make IRQ 13 be a PCI interrupt, 349 * New motherboards sometimes make IRQ 13 be a PCI interrupt,
350 * so allow interrupt sharing. 350 * so allow interrupt sharing.
351 */ 351 */
352static struct irqaction fpu_irq = { math_error_irq, 0, CPU_MASK_NONE, "fpu", NULL, NULL }; 352static struct irqaction fpu_irq = {
353 .handler = math_error_irq,
354 .mask = CPU_MASK_NONE,
355 .name = "fpu",
356};
353 357
354void __init init_ISA_irqs (void) 358void __init init_ISA_irqs (void)
355{ 359{
diff --git a/arch/x86/kernel/i8259_64.c b/arch/x86/kernel/i8259_64.c
index eb72976cc13c..3f27ea0b9816 100644
--- a/arch/x86/kernel/i8259_64.c
+++ b/arch/x86/kernel/i8259_64.c
@@ -395,7 +395,11 @@ device_initcall(i8259A_init_sysfs);
395 * IRQ2 is cascade interrupt to second interrupt controller 395 * IRQ2 is cascade interrupt to second interrupt controller
396 */ 396 */
397 397
398static struct irqaction irq2 = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL}; 398static struct irqaction irq2 = {
399 .handler = no_action,
400 .mask = CPU_MASK_NONE,
401 .name = "cascade",
402};
399DEFINE_PER_CPU(vector_irq_t, vector_irq) = { 403DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
400 [0 ... IRQ0_VECTOR - 1] = -1, 404 [0 ... IRQ0_VECTOR - 1] = -1,
401 [IRQ0_VECTOR] = 0, 405 [IRQ0_VECTOR] = 0,
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 4ee1e5ee9b57..5f10c7189534 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -1296,6 +1296,11 @@ static void __init setup_IO_APIC_irqs(void)
1296 continue; 1296 continue;
1297 } 1297 }
1298 1298
1299 if (!first_notcon) {
1300 apic_printk(APIC_VERBOSE, " not connected.\n");
1301 first_notcon = 1;
1302 }
1303
1299 entry.trigger = irq_trigger(idx); 1304 entry.trigger = irq_trigger(idx);
1300 entry.polarity = irq_polarity(idx); 1305 entry.polarity = irq_polarity(idx);
1301 1306
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 966fa1062491..1c2c7bf6a9d3 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -875,6 +875,10 @@ static void __init setup_IO_APIC_irqs(void)
875 apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mpc_apicid, pin); 875 apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mpc_apicid, pin);
876 continue; 876 continue;
877 } 877 }
878 if (!first_notcon) {
879 apic_printk(APIC_VERBOSE, " not connected.\n");
880 first_notcon = 1;
881 }
878 882
879 irq = pin_2_irq(idx, apic, pin); 883 irq = pin_2_irq(idx, apic, pin);
880 add_pin_to_irq(irq, apic, pin); 884 add_pin_to_irq(irq, apic, pin);
@@ -885,7 +889,7 @@ static void __init setup_IO_APIC_irqs(void)
885 } 889 }
886 890
887 if (!first_notcon) 891 if (!first_notcon)
888 apic_printk(APIC_VERBOSE," not connected.\n"); 892 apic_printk(APIC_VERBOSE, " not connected.\n");
889} 893}
890 894
891/* 895/*
@@ -1845,7 +1849,7 @@ static struct sysdev_class ioapic_sysdev_class = {
1845static int __init ioapic_init_sysfs(void) 1849static int __init ioapic_init_sysfs(void)
1846{ 1850{
1847 struct sys_device * dev; 1851 struct sys_device * dev;
1848 int i, size, error = 0; 1852 int i, size, error;
1849 1853
1850 error = sysdev_class_register(&ioapic_sysdev_class); 1854 error = sysdev_class_register(&ioapic_sysdev_class);
1851 if (error) 1855 if (error)
@@ -1854,12 +1858,11 @@ static int __init ioapic_init_sysfs(void)
1854 for (i = 0; i < nr_ioapics; i++ ) { 1858 for (i = 0; i < nr_ioapics; i++ ) {
1855 size = sizeof(struct sys_device) + nr_ioapic_registers[i] 1859 size = sizeof(struct sys_device) + nr_ioapic_registers[i]
1856 * sizeof(struct IO_APIC_route_entry); 1860 * sizeof(struct IO_APIC_route_entry);
1857 mp_ioapic_data[i] = kmalloc(size, GFP_KERNEL); 1861 mp_ioapic_data[i] = kzalloc(size, GFP_KERNEL);
1858 if (!mp_ioapic_data[i]) { 1862 if (!mp_ioapic_data[i]) {
1859 printk(KERN_ERR "Can't suspend/resume IOAPIC %d\n", i); 1863 printk(KERN_ERR "Can't suspend/resume IOAPIC %d\n", i);
1860 continue; 1864 continue;
1861 } 1865 }
1862 memset(mp_ioapic_data[i], 0, size);
1863 dev = &mp_ioapic_data[i]->dev; 1866 dev = &mp_ioapic_data[i]->dev;
1864 dev->id = i; 1867 dev->id = i;
1865 dev->cls = &ioapic_sysdev_class; 1868 dev->cls = &ioapic_sysdev_class;
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index e173b763f148..d3fde94f7345 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -255,9 +255,17 @@ int show_interrupts(struct seq_file *p, void *v)
255 } 255 }
256 256
257 if (i < NR_IRQS) { 257 if (i < NR_IRQS) {
258 unsigned any_count = 0;
259
258 spin_lock_irqsave(&irq_desc[i].lock, flags); 260 spin_lock_irqsave(&irq_desc[i].lock, flags);
261#ifndef CONFIG_SMP
262 any_count = kstat_irqs(i);
263#else
264 for_each_online_cpu(j)
265 any_count |= kstat_cpu(j).irqs[i];
266#endif
259 action = irq_desc[i].action; 267 action = irq_desc[i].action;
260 if (!action) 268 if (!action && !any_count)
261 goto skip; 269 goto skip;
262 seq_printf(p, "%3d: ",i); 270 seq_printf(p, "%3d: ",i);
263#ifndef CONFIG_SMP 271#ifndef CONFIG_SMP
@@ -268,10 +276,12 @@ int show_interrupts(struct seq_file *p, void *v)
268#endif 276#endif
269 seq_printf(p, " %8s", irq_desc[i].chip->name); 277 seq_printf(p, " %8s", irq_desc[i].chip->name);
270 seq_printf(p, "-%-8s", irq_desc[i].name); 278 seq_printf(p, "-%-8s", irq_desc[i].name);
271 seq_printf(p, " %s", action->name);
272 279
273 for (action=action->next; action; action = action->next) 280 if (action) {
274 seq_printf(p, ", %s", action->name); 281 seq_printf(p, " %s", action->name);
282 while ((action = action->next) != NULL)
283 seq_printf(p, ", %s", action->name);
284 }
275 285
276 seq_putc(p, '\n'); 286 seq_putc(p, '\n');
277skip: 287skip:
@@ -280,14 +290,41 @@ skip:
280 seq_printf(p, "NMI: "); 290 seq_printf(p, "NMI: ");
281 for_each_online_cpu(j) 291 for_each_online_cpu(j)
282 seq_printf(p, "%10u ", nmi_count(j)); 292 seq_printf(p, "%10u ", nmi_count(j));
283 seq_putc(p, '\n'); 293 seq_printf(p, " Non-maskable interrupts\n");
284#ifdef CONFIG_X86_LOCAL_APIC 294#ifdef CONFIG_X86_LOCAL_APIC
285 seq_printf(p, "LOC: "); 295 seq_printf(p, "LOC: ");
286 for_each_online_cpu(j) 296 for_each_online_cpu(j)
287 seq_printf(p, "%10u ", 297 seq_printf(p, "%10u ",
288 per_cpu(irq_stat,j).apic_timer_irqs); 298 per_cpu(irq_stat,j).apic_timer_irqs);
289 seq_putc(p, '\n'); 299 seq_printf(p, " Local timer interrupts\n");
290#endif 300#endif
301#ifdef CONFIG_SMP
302 seq_printf(p, "RES: ");
303 for_each_online_cpu(j)
304 seq_printf(p, "%10u ",
305 per_cpu(irq_stat,j).irq_resched_count);
306 seq_printf(p, " Rescheduling interrupts\n");
307 seq_printf(p, "CAL: ");
308 for_each_online_cpu(j)
309 seq_printf(p, "%10u ",
310 per_cpu(irq_stat,j).irq_call_count);
311 seq_printf(p, " function call interrupts\n");
312 seq_printf(p, "TLB: ");
313 for_each_online_cpu(j)
314 seq_printf(p, "%10u ",
315 per_cpu(irq_stat,j).irq_tlb_count);
316 seq_printf(p, " TLB shootdowns\n");
317#endif
318 seq_printf(p, "TRM: ");
319 for_each_online_cpu(j)
320 seq_printf(p, "%10u ",
321 per_cpu(irq_stat,j).irq_thermal_count);
322 seq_printf(p, " Thermal event interrupts\n");
323 seq_printf(p, "SPU: ");
324 for_each_online_cpu(j)
325 seq_printf(p, "%10u ",
326 per_cpu(irq_stat,j).irq_spurious_count);
327 seq_printf(p, " Spurious interrupts\n");
291 seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); 328 seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
292#if defined(CONFIG_X86_IO_APIC) 329#if defined(CONFIG_X86_IO_APIC)
293 seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count)); 330 seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count));
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 865669efc540..6b5c730d67b9 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -62,9 +62,17 @@ int show_interrupts(struct seq_file *p, void *v)
62 } 62 }
63 63
64 if (i < NR_IRQS) { 64 if (i < NR_IRQS) {
65 unsigned any_count = 0;
66
65 spin_lock_irqsave(&irq_desc[i].lock, flags); 67 spin_lock_irqsave(&irq_desc[i].lock, flags);
68#ifndef CONFIG_SMP
69 any_count = kstat_irqs(i);
70#else
71 for_each_online_cpu(j)
72 any_count |= kstat_cpu(j).irqs[i];
73#endif
66 action = irq_desc[i].action; 74 action = irq_desc[i].action;
67 if (!action) 75 if (!action && !any_count)
68 goto skip; 76 goto skip;
69 seq_printf(p, "%3d: ",i); 77 seq_printf(p, "%3d: ",i);
70#ifndef CONFIG_SMP 78#ifndef CONFIG_SMP
@@ -76,9 +84,11 @@ int show_interrupts(struct seq_file *p, void *v)
76 seq_printf(p, " %8s", irq_desc[i].chip->name); 84 seq_printf(p, " %8s", irq_desc[i].chip->name);
77 seq_printf(p, "-%-8s", irq_desc[i].name); 85 seq_printf(p, "-%-8s", irq_desc[i].name);
78 86
79 seq_printf(p, " %s", action->name); 87 if (action) {
80 for (action=action->next; action; action = action->next) 88 seq_printf(p, " %s", action->name);
81 seq_printf(p, ", %s", action->name); 89 while ((action = action->next) != NULL)
90 seq_printf(p, ", %s", action->name);
91 }
82 seq_putc(p, '\n'); 92 seq_putc(p, '\n');
83skip: 93skip:
84 spin_unlock_irqrestore(&irq_desc[i].lock, flags); 94 spin_unlock_irqrestore(&irq_desc[i].lock, flags);
@@ -86,11 +96,37 @@ skip:
86 seq_printf(p, "NMI: "); 96 seq_printf(p, "NMI: ");
87 for_each_online_cpu(j) 97 for_each_online_cpu(j)
88 seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count); 98 seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
89 seq_putc(p, '\n'); 99 seq_printf(p, " Non-maskable interrupts\n");
90 seq_printf(p, "LOC: "); 100 seq_printf(p, "LOC: ");
91 for_each_online_cpu(j) 101 for_each_online_cpu(j)
92 seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs); 102 seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs);
93 seq_putc(p, '\n'); 103 seq_printf(p, " Local timer interrupts\n");
104#ifdef CONFIG_SMP
105 seq_printf(p, "RES: ");
106 for_each_online_cpu(j)
107 seq_printf(p, "%10u ", cpu_pda(j)->irq_resched_count);
108 seq_printf(p, " Rescheduling interrupts\n");
109 seq_printf(p, "CAL: ");
110 for_each_online_cpu(j)
111 seq_printf(p, "%10u ", cpu_pda(j)->irq_call_count);
112 seq_printf(p, " function call interrupts\n");
113 seq_printf(p, "TLB: ");
114 for_each_online_cpu(j)
115 seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count);
116 seq_printf(p, " TLB shootdowns\n");
117#endif
118 seq_printf(p, "TRM: ");
119 for_each_online_cpu(j)
120 seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count);
121 seq_printf(p, " Thermal event interrupts\n");
122 seq_printf(p, "THR: ");
123 for_each_online_cpu(j)
124 seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count);
125 seq_printf(p, " Threshold APIC interrupts\n");
126 seq_printf(p, "SPU: ");
127 for_each_online_cpu(j)
128 seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count);
129 seq_printf(p, " Spurious interrupts\n");
94 seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); 130 seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
95 } 131 }
96 return 0; 132 return 0;
diff --git a/arch/x86/kernel/ldt_32.c b/arch/x86/kernel/ldt_32.c
index a8b18421863a..9ff90a27c45f 100644
--- a/arch/x86/kernel/ldt_32.c
+++ b/arch/x86/kernel/ldt_32.c
@@ -92,13 +92,13 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
92 struct mm_struct * old_mm; 92 struct mm_struct * old_mm;
93 int retval = 0; 93 int retval = 0;
94 94
95 init_MUTEX(&mm->context.sem); 95 mutex_init(&mm->context.lock);
96 mm->context.size = 0; 96 mm->context.size = 0;
97 old_mm = current->mm; 97 old_mm = current->mm;
98 if (old_mm && old_mm->context.size > 0) { 98 if (old_mm && old_mm->context.size > 0) {
99 down(&old_mm->context.sem); 99 mutex_lock(&old_mm->context.lock);
100 retval = copy_ldt(&mm->context, &old_mm->context); 100 retval = copy_ldt(&mm->context, &old_mm->context);
101 up(&old_mm->context.sem); 101 mutex_unlock(&old_mm->context.lock);
102 } 102 }
103 return retval; 103 return retval;
104} 104}
@@ -130,7 +130,7 @@ static int read_ldt(void __user * ptr, unsigned long bytecount)
130 if (bytecount > LDT_ENTRY_SIZE*LDT_ENTRIES) 130 if (bytecount > LDT_ENTRY_SIZE*LDT_ENTRIES)
131 bytecount = LDT_ENTRY_SIZE*LDT_ENTRIES; 131 bytecount = LDT_ENTRY_SIZE*LDT_ENTRIES;
132 132
133 down(&mm->context.sem); 133 mutex_lock(&mm->context.lock);
134 size = mm->context.size*LDT_ENTRY_SIZE; 134 size = mm->context.size*LDT_ENTRY_SIZE;
135 if (size > bytecount) 135 if (size > bytecount)
136 size = bytecount; 136 size = bytecount;
@@ -138,7 +138,7 @@ static int read_ldt(void __user * ptr, unsigned long bytecount)
138 err = 0; 138 err = 0;
139 if (copy_to_user(ptr, mm->context.ldt, size)) 139 if (copy_to_user(ptr, mm->context.ldt, size))
140 err = -EFAULT; 140 err = -EFAULT;
141 up(&mm->context.sem); 141 mutex_unlock(&mm->context.lock);
142 if (err < 0) 142 if (err < 0)
143 goto error_return; 143 goto error_return;
144 if (size != bytecount) { 144 if (size != bytecount) {
@@ -194,7 +194,7 @@ static int write_ldt(void __user * ptr, unsigned long bytecount, int oldmode)
194 goto out; 194 goto out;
195 } 195 }
196 196
197 down(&mm->context.sem); 197 mutex_lock(&mm->context.lock);
198 if (ldt_info.entry_number >= mm->context.size) { 198 if (ldt_info.entry_number >= mm->context.size) {
199 error = alloc_ldt(&current->mm->context, ldt_info.entry_number+1, 1); 199 error = alloc_ldt(&current->mm->context, ldt_info.entry_number+1, 1);
200 if (error < 0) 200 if (error < 0)
@@ -221,7 +221,7 @@ install:
221 error = 0; 221 error = 0;
222 222
223out_unlock: 223out_unlock:
224 up(&mm->context.sem); 224 mutex_unlock(&mm->context.lock);
225out: 225out:
226 return error; 226 return error;
227} 227}
diff --git a/arch/x86/kernel/ldt_64.c b/arch/x86/kernel/ldt_64.c
index 3796523d616a..60e57abb8e90 100644
--- a/arch/x86/kernel/ldt_64.c
+++ b/arch/x86/kernel/ldt_64.c
@@ -96,13 +96,13 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
96 struct mm_struct * old_mm; 96 struct mm_struct * old_mm;
97 int retval = 0; 97 int retval = 0;
98 98
99 init_MUTEX(&mm->context.sem); 99 mutex_init(&mm->context.lock);
100 mm->context.size = 0; 100 mm->context.size = 0;
101 old_mm = current->mm; 101 old_mm = current->mm;
102 if (old_mm && old_mm->context.size > 0) { 102 if (old_mm && old_mm->context.size > 0) {
103 down(&old_mm->context.sem); 103 mutex_lock(&old_mm->context.lock);
104 retval = copy_ldt(&mm->context, &old_mm->context); 104 retval = copy_ldt(&mm->context, &old_mm->context);
105 up(&old_mm->context.sem); 105 mutex_unlock(&old_mm->context.lock);
106 } 106 }
107 return retval; 107 return retval;
108} 108}
@@ -133,7 +133,7 @@ static int read_ldt(void __user * ptr, unsigned long bytecount)
133 if (bytecount > LDT_ENTRY_SIZE*LDT_ENTRIES) 133 if (bytecount > LDT_ENTRY_SIZE*LDT_ENTRIES)
134 bytecount = LDT_ENTRY_SIZE*LDT_ENTRIES; 134 bytecount = LDT_ENTRY_SIZE*LDT_ENTRIES;
135 135
136 down(&mm->context.sem); 136 mutex_lock(&mm->context.lock);
137 size = mm->context.size*LDT_ENTRY_SIZE; 137 size = mm->context.size*LDT_ENTRY_SIZE;
138 if (size > bytecount) 138 if (size > bytecount)
139 size = bytecount; 139 size = bytecount;
@@ -141,7 +141,7 @@ static int read_ldt(void __user * ptr, unsigned long bytecount)
141 err = 0; 141 err = 0;
142 if (copy_to_user(ptr, mm->context.ldt, size)) 142 if (copy_to_user(ptr, mm->context.ldt, size))
143 err = -EFAULT; 143 err = -EFAULT;
144 up(&mm->context.sem); 144 mutex_unlock(&mm->context.lock);
145 if (err < 0) 145 if (err < 0)
146 goto error_return; 146 goto error_return;
147 if (size != bytecount) { 147 if (size != bytecount) {
@@ -193,7 +193,7 @@ static int write_ldt(void __user * ptr, unsigned long bytecount, int oldmode)
193 goto out; 193 goto out;
194 } 194 }
195 195
196 down(&mm->context.sem); 196 mutex_lock(&mm->context.lock);
197 if (ldt_info.entry_number >= (unsigned)mm->context.size) { 197 if (ldt_info.entry_number >= (unsigned)mm->context.size) {
198 error = alloc_ldt(&current->mm->context, ldt_info.entry_number+1, 1); 198 error = alloc_ldt(&current->mm->context, ldt_info.entry_number+1, 1);
199 if (error < 0) 199 if (error < 0)
@@ -223,7 +223,7 @@ install:
223 error = 0; 223 error = 0;
224 224
225out_unlock: 225out_unlock:
226 up(&mm->context.sem); 226 mutex_unlock(&mm->context.lock);
227out: 227out:
228 return error; 228 return error;
229} 229}
diff --git a/arch/x86/kernel/mce_64.c b/arch/x86/kernel/mce_64.c
index 97d2b757d6bd..8ca8f8648969 100644
--- a/arch/x86/kernel/mce_64.c
+++ b/arch/x86/kernel/mce_64.c
@@ -695,8 +695,6 @@ static int __init mcheck_disable(char *str)
695 mce=nobootlog Don't log MCEs from before booting. */ 695 mce=nobootlog Don't log MCEs from before booting. */
696static int __init mcheck_enable(char *str) 696static int __init mcheck_enable(char *str)
697{ 697{
698 if (*str == '=')
699 str++;
700 if (!strcmp(str, "off")) 698 if (!strcmp(str, "off"))
701 mce_dont_init = 1; 699 mce_dont_init = 1;
702 else if (!strcmp(str, "bootlog") || !strcmp(str,"nobootlog")) 700 else if (!strcmp(str, "bootlog") || !strcmp(str,"nobootlog"))
@@ -709,7 +707,7 @@ static int __init mcheck_enable(char *str)
709} 707}
710 708
711__setup("nomce", mcheck_disable); 709__setup("nomce", mcheck_disable);
712__setup("mce", mcheck_enable); 710__setup("mce=", mcheck_enable);
713 711
714/* 712/*
715 * Sysfs support 713 * Sysfs support
diff --git a/arch/x86/kernel/mce_amd_64.c b/arch/x86/kernel/mce_amd_64.c
index 805b62b1e0df..0d2afd96aca4 100644
--- a/arch/x86/kernel/mce_amd_64.c
+++ b/arch/x86/kernel/mce_amd_64.c
@@ -237,6 +237,7 @@ asmlinkage void mce_threshold_interrupt(void)
237 } 237 }
238 } 238 }
239out: 239out:
240 add_pda(irq_threshold_count, 1);
240 irq_exit(); 241 irq_exit();
241} 242}
242 243
diff --git a/arch/x86/kernel/mce_intel_64.c b/arch/x86/kernel/mce_intel_64.c
index 6551505d8a2c..c17eaf5dd6dd 100644
--- a/arch/x86/kernel/mce_intel_64.c
+++ b/arch/x86/kernel/mce_intel_64.c
@@ -26,6 +26,7 @@ asmlinkage void smp_thermal_interrupt(void)
26 if (therm_throt_process(msr_val & 1)) 26 if (therm_throt_process(msr_val & 1))
27 mce_log_therm_throt_event(smp_processor_id(), msr_val); 27 mce_log_therm_throt_event(smp_processor_id(), msr_val);
28 28
29 add_pda(irq_thermal_count, 1);
29 irq_exit(); 30 irq_exit();
30} 31}
31 32
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index c044de310b69..df85c9c13601 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -133,7 +133,7 @@ static const struct file_operations msr_fops = {
133 .open = msr_open, 133 .open = msr_open,
134}; 134};
135 135
136static int msr_device_create(int i) 136static int __cpuinit msr_device_create(int i)
137{ 137{
138 int err = 0; 138 int err = 0;
139 struct device *dev; 139 struct device *dev;
@@ -144,7 +144,7 @@ static int msr_device_create(int i)
144 return err; 144 return err;
145} 145}
146 146
147static int msr_class_cpu_callback(struct notifier_block *nfb, 147static int __cpuinit msr_class_cpu_callback(struct notifier_block *nfb,
148 unsigned long action, void *hcpu) 148 unsigned long action, void *hcpu)
149{ 149{
150 unsigned int cpu = (unsigned long)hcpu; 150 unsigned int cpu = (unsigned long)hcpu;
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index a50b787b3bfa..5098f58063a5 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -222,10 +222,10 @@ static inline unsigned int num_dma_pages(unsigned long dma, unsigned int dmalen)
222 return npages; 222 return npages;
223} 223}
224 224
225static inline int translate_phb(struct pci_dev* dev) 225static inline int translation_enabled(struct iommu_table *tbl)
226{ 226{
227 int disabled = bus_info[dev->bus->number].translation_disabled; 227 /* only PHBs with translation enabled have an IOMMU table */
228 return !disabled; 228 return (tbl != NULL);
229} 229}
230 230
231static void iommu_range_reserve(struct iommu_table *tbl, 231static void iommu_range_reserve(struct iommu_table *tbl,
@@ -388,7 +388,7 @@ static void calgary_unmap_sg(struct device *dev,
388 struct scatterlist *s; 388 struct scatterlist *s;
389 int i; 389 int i;
390 390
391 if (!translate_phb(to_pci_dev(dev))) 391 if (!translation_enabled(tbl))
392 return; 392 return;
393 393
394 for_each_sg(sglist, s, nelems, i) { 394 for_each_sg(sglist, s, nelems, i) {
@@ -428,7 +428,7 @@ static int calgary_map_sg(struct device *dev, struct scatterlist *sg,
428 unsigned long entry; 428 unsigned long entry;
429 int i; 429 int i;
430 430
431 if (!translate_phb(to_pci_dev(dev))) 431 if (!translation_enabled(tbl))
432 return calgary_nontranslate_map_sg(dev, sg, nelems, direction); 432 return calgary_nontranslate_map_sg(dev, sg, nelems, direction);
433 433
434 for_each_sg(sg, s, nelems, i) { 434 for_each_sg(sg, s, nelems, i) {
@@ -474,7 +474,7 @@ static dma_addr_t calgary_map_single(struct device *dev, void *vaddr,
474 uaddr = (unsigned long)vaddr; 474 uaddr = (unsigned long)vaddr;
475 npages = num_dma_pages(uaddr, size); 475 npages = num_dma_pages(uaddr, size);
476 476
477 if (translate_phb(to_pci_dev(dev))) 477 if (translation_enabled(tbl))
478 dma_handle = iommu_alloc(tbl, vaddr, npages, direction); 478 dma_handle = iommu_alloc(tbl, vaddr, npages, direction);
479 else 479 else
480 dma_handle = virt_to_bus(vaddr); 480 dma_handle = virt_to_bus(vaddr);
@@ -488,7 +488,7 @@ static void calgary_unmap_single(struct device *dev, dma_addr_t dma_handle,
488 struct iommu_table *tbl = find_iommu_table(dev); 488 struct iommu_table *tbl = find_iommu_table(dev);
489 unsigned int npages; 489 unsigned int npages;
490 490
491 if (!translate_phb(to_pci_dev(dev))) 491 if (!translation_enabled(tbl))
492 return; 492 return;
493 493
494 npages = num_dma_pages(dma_handle, size); 494 npages = num_dma_pages(dma_handle, size);
@@ -513,7 +513,7 @@ static void* calgary_alloc_coherent(struct device *dev, size_t size,
513 goto error; 513 goto error;
514 memset(ret, 0, size); 514 memset(ret, 0, size);
515 515
516 if (translate_phb(to_pci_dev(dev))) { 516 if (translation_enabled(tbl)) {
517 /* set up tces to cover the allocated range */ 517 /* set up tces to cover the allocated range */
518 mapping = iommu_alloc(tbl, ret, npages, DMA_BIDIRECTIONAL); 518 mapping = iommu_alloc(tbl, ret, npages, DMA_BIDIRECTIONAL);
519 if (mapping == bad_dma_address) 519 if (mapping == bad_dma_address)
@@ -1194,7 +1194,7 @@ static int __init calgary_init(void)
1194{ 1194{
1195 int ret; 1195 int ret;
1196 struct pci_dev *dev = NULL; 1196 struct pci_dev *dev = NULL;
1197 void *tce_space; 1197 struct calgary_bus_info *info;
1198 1198
1199 ret = calgary_locate_bbars(); 1199 ret = calgary_locate_bbars();
1200 if (ret) 1200 if (ret)
@@ -1206,12 +1206,14 @@ static int __init calgary_init(void)
1206 break; 1206 break;
1207 if (!is_cal_pci_dev(dev->device)) 1207 if (!is_cal_pci_dev(dev->device))
1208 continue; 1208 continue;
1209 if (!translate_phb(dev)) { 1209
1210 info = &bus_info[dev->bus->number];
1211 if (info->translation_disabled) {
1210 calgary_init_one_nontraslated(dev); 1212 calgary_init_one_nontraslated(dev);
1211 continue; 1213 continue;
1212 } 1214 }
1213 tce_space = bus_info[dev->bus->number].tce_space; 1215
1214 if (!tce_space && !translate_empty_slots) 1216 if (!info->tce_space && !translate_empty_slots)
1215 continue; 1217 continue;
1216 1218
1217 ret = calgary_init_one(dev); 1219 ret = calgary_init_one(dev);
@@ -1229,11 +1231,13 @@ error:
1229 break; 1231 break;
1230 if (!is_cal_pci_dev(dev->device)) 1232 if (!is_cal_pci_dev(dev->device))
1231 continue; 1233 continue;
1232 if (!translate_phb(dev)) { 1234
1235 info = &bus_info[dev->bus->number];
1236 if (info->translation_disabled) {
1233 pci_dev_put(dev); 1237 pci_dev_put(dev);
1234 continue; 1238 continue;
1235 } 1239 }
1236 if (!bus_info[dev->bus->number].tce_space && !translate_empty_slots) 1240 if (!info->tce_space && !translate_empty_slots)
1237 continue; 1241 continue;
1238 1242
1239 calgary_disable_translation(dev); 1243 calgary_disable_translation(dev);
@@ -1546,7 +1550,7 @@ static void __init calgary_fixup_one_tce_space(struct pci_dev *dev)
1546static int __init calgary_fixup_tce_spaces(void) 1550static int __init calgary_fixup_tce_spaces(void)
1547{ 1551{
1548 struct pci_dev *dev = NULL; 1552 struct pci_dev *dev = NULL;
1549 void *tce_space; 1553 struct calgary_bus_info *info;
1550 1554
1551 if (no_iommu || swiotlb || !calgary_detected) 1555 if (no_iommu || swiotlb || !calgary_detected)
1552 return -ENODEV; 1556 return -ENODEV;
@@ -1559,11 +1563,12 @@ static int __init calgary_fixup_tce_spaces(void)
1559 break; 1563 break;
1560 if (!is_cal_pci_dev(dev->device)) 1564 if (!is_cal_pci_dev(dev->device))
1561 continue; 1565 continue;
1562 if (!translate_phb(dev)) 1566
1567 info = &bus_info[dev->bus->number];
1568 if (info->translation_disabled)
1563 continue; 1569 continue;
1564 1570
1565 tce_space = bus_info[dev->bus->number].tce_space; 1571 if (!info->tce_space)
1566 if (!tce_space)
1567 continue; 1572 continue;
1568 1573
1569 calgary_fixup_one_tce_space(dev); 1574 calgary_fixup_one_tce_space(dev);
diff --git a/arch/x86/kernel/pci-dma_32.c b/arch/x86/kernel/pci-dma_32.c
index 0aae2f3847a5..51330321a5d3 100644
--- a/arch/x86/kernel/pci-dma_32.c
+++ b/arch/x86/kernel/pci-dma_32.c
@@ -12,7 +12,6 @@
12#include <linux/string.h> 12#include <linux/string.h>
13#include <linux/pci.h> 13#include <linux/pci.h>
14#include <linux/module.h> 14#include <linux/module.h>
15#include <linux/pci.h>
16#include <asm/io.h> 15#include <asm/io.h>
17 16
18struct dma_coherent_mem { 17struct dma_coherent_mem {
diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c
index 9576a2eb375e..b2b42bdb0a15 100644
--- a/arch/x86/kernel/pci-dma_64.c
+++ b/arch/x86/kernel/pci-dma_64.c
@@ -51,11 +51,9 @@ dma_alloc_pages(struct device *dev, gfp_t gfp, unsigned order)
51{ 51{
52 struct page *page; 52 struct page *page;
53 int node; 53 int node;
54#ifdef CONFIG_PCI 54
55 if (dev->bus == &pci_bus_type) 55 node = dev_to_node(dev);
56 node = pcibus_to_node(to_pci_dev(dev)->bus); 56 if (node == -1)
57 else
58#endif
59 node = numa_node_id(); 57 node = numa_node_id();
60 58
61 if (node < first_node(node_online_map)) 59 if (node < first_node(node_online_map))
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index cfcc84e6c350..5cdfab65e93f 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -8,6 +8,7 @@
8 * See Documentation/DMA-mapping.txt for the interface specification. 8 * See Documentation/DMA-mapping.txt for the interface specification.
9 * 9 *
10 * Copyright 2002 Andi Kleen, SuSE Labs. 10 * Copyright 2002 Andi Kleen, SuSE Labs.
11 * Subject to the GNU General Public License v2 only.
11 */ 12 */
12 13
13#include <linux/types.h> 14#include <linux/types.h>
@@ -375,7 +376,8 @@ static inline int dma_map_cont(struct scatterlist *start, int nelems,
375 * DMA map all entries in a scatterlist. 376 * DMA map all entries in a scatterlist.
376 * Merge chunks that have page aligned sizes into a continuous mapping. 377 * Merge chunks that have page aligned sizes into a continuous mapping.
377 */ 378 */
378int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents, int dir) 379static int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents,
380 int dir)
379{ 381{
380 int i; 382 int i;
381 int out; 383 int out;
diff --git a/arch/x86/kernel/ptrace_32.c b/arch/x86/kernel/ptrace_32.c
index 8622b9cd3e38..99102ec5fade 100644
--- a/arch/x86/kernel/ptrace_32.c
+++ b/arch/x86/kernel/ptrace_32.c
@@ -165,7 +165,7 @@ static unsigned long convert_eip_to_linear(struct task_struct *child, struct pt_
165 165
166 seg &= ~7UL; 166 seg &= ~7UL;
167 167
168 down(&child->mm->context.sem); 168 mutex_lock(&child->mm->context.lock);
169 if (unlikely((seg >> 3) >= child->mm->context.size)) 169 if (unlikely((seg >> 3) >= child->mm->context.size))
170 addr = -1L; /* bogus selector, access would fault */ 170 addr = -1L; /* bogus selector, access would fault */
171 else { 171 else {
@@ -179,7 +179,7 @@ static unsigned long convert_eip_to_linear(struct task_struct *child, struct pt_
179 addr &= 0xffff; 179 addr &= 0xffff;
180 addr += base; 180 addr += base;
181 } 181 }
182 up(&child->mm->context.sem); 182 mutex_unlock(&child->mm->context.lock);
183 } 183 }
184 return addr; 184 return addr;
185} 185}
diff --git a/arch/x86/kernel/ptrace_64.c b/arch/x86/kernel/ptrace_64.c
index 86321ee6da93..607085f3f08a 100644
--- a/arch/x86/kernel/ptrace_64.c
+++ b/arch/x86/kernel/ptrace_64.c
@@ -103,7 +103,7 @@ unsigned long convert_rip_to_linear(struct task_struct *child, struct pt_regs *r
103 103
104 seg &= ~7UL; 104 seg &= ~7UL;
105 105
106 down(&child->mm->context.sem); 106 mutex_lock(&child->mm->context.lock);
107 if (unlikely((seg >> 3) >= child->mm->context.size)) 107 if (unlikely((seg >> 3) >= child->mm->context.size))
108 addr = -1L; /* bogus selector, access would fault */ 108 addr = -1L; /* bogus selector, access would fault */
109 else { 109 else {
@@ -117,7 +117,7 @@ unsigned long convert_rip_to_linear(struct task_struct *child, struct pt_regs *r
117 addr &= 0xffff; 117 addr &= 0xffff;
118 addr += base; 118 addr += base;
119 } 119 }
120 up(&child->mm->context.sem); 120 mutex_unlock(&child->mm->context.lock);
121 } 121 }
122 122
123 return addr; 123 return addr;
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 8159bf0be17a..5a19f0cc5b67 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -604,7 +604,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
604 level = cpuid_eax(1); 604 level = cpuid_eax(1);
605 if (c->x86 == 15 && ((level >= 0x0f48 && level < 0x0f50) || level >= 0x0f58)) 605 if (c->x86 == 15 && ((level >= 0x0f48 && level < 0x0f50) || level >= 0x0f58))
606 set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability); 606 set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability);
607 if (c->x86 == 0x10) 607 if (c->x86 == 0x10 || c->x86 == 0x11)
608 set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability); 608 set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability);
609 609
610 /* Enable workaround for FXSAVE leak */ 610 /* Enable workaround for FXSAVE leak */
@@ -968,7 +968,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
968 * applications want to get the raw CPUID data, they should access 968 * applications want to get the raw CPUID data, they should access
969 * /dev/cpu/<cpu_nr>/cpuid instead. 969 * /dev/cpu/<cpu_nr>/cpuid instead.
970 */ 970 */
971 static char *x86_cap_flags[] = { 971 static const char *const x86_cap_flags[] = {
972 /* Intel-defined */ 972 /* Intel-defined */
973 "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", 973 "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce",
974 "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov", 974 "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov",
@@ -1022,7 +1022,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
1022 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 1022 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
1023 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 1023 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
1024 }; 1024 };
1025 static char *x86_power_flags[] = { 1025 static const char *const x86_power_flags[] = {
1026 "ts", /* temperature sensor */ 1026 "ts", /* temperature sensor */
1027 "fid", /* frequency id control */ 1027 "fid", /* frequency id control */
1028 "vid", /* voltage id control */ 1028 "vid", /* voltage id control */
diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index d01d51fcce2a..0d79df3c5631 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -385,7 +385,6 @@ static int setup_frame(int sig, struct k_sigaction *ka,
385 regs->edx = (unsigned long) 0; 385 regs->edx = (unsigned long) 0;
386 regs->ecx = (unsigned long) 0; 386 regs->ecx = (unsigned long) 0;
387 387
388 set_fs(USER_DS);
389 regs->xds = __USER_DS; 388 regs->xds = __USER_DS;
390 regs->xes = __USER_DS; 389 regs->xes = __USER_DS;
391 regs->xss = __USER_DS; 390 regs->xss = __USER_DS;
@@ -479,7 +478,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
479 regs->edx = (unsigned long) &frame->info; 478 regs->edx = (unsigned long) &frame->info;
480 regs->ecx = (unsigned long) &frame->uc; 479 regs->ecx = (unsigned long) &frame->uc;
481 480
482 set_fs(USER_DS);
483 regs->xds = __USER_DS; 481 regs->xds = __USER_DS;
484 regs->xes = __USER_DS; 482 regs->xes = __USER_DS;
485 regs->xss = __USER_DS; 483 regs->xss = __USER_DS;
diff --git a/arch/x86/kernel/smp_32.c b/arch/x86/kernel/smp_32.c
index 2d35d8502029..791d9f8036ae 100644
--- a/arch/x86/kernel/smp_32.c
+++ b/arch/x86/kernel/smp_32.c
@@ -342,6 +342,7 @@ fastcall void smp_invalidate_interrupt(struct pt_regs *regs)
342 smp_mb__after_clear_bit(); 342 smp_mb__after_clear_bit();
343out: 343out:
344 put_cpu_no_resched(); 344 put_cpu_no_resched();
345 __get_cpu_var(irq_stat).irq_tlb_count++;
345} 346}
346 347
347void native_flush_tlb_others(const cpumask_t *cpumaskp, struct mm_struct *mm, 348void native_flush_tlb_others(const cpumask_t *cpumaskp, struct mm_struct *mm,
@@ -640,6 +641,7 @@ static void native_smp_send_stop(void)
640fastcall void smp_reschedule_interrupt(struct pt_regs *regs) 641fastcall void smp_reschedule_interrupt(struct pt_regs *regs)
641{ 642{
642 ack_APIC_irq(); 643 ack_APIC_irq();
644 __get_cpu_var(irq_stat).irq_resched_count++;
643} 645}
644 646
645fastcall void smp_call_function_interrupt(struct pt_regs *regs) 647fastcall void smp_call_function_interrupt(struct pt_regs *regs)
@@ -660,6 +662,7 @@ fastcall void smp_call_function_interrupt(struct pt_regs *regs)
660 */ 662 */
661 irq_enter(); 663 irq_enter();
662 (*func)(info); 664 (*func)(info);
665 __get_cpu_var(irq_stat).irq_call_count++;
663 irq_exit(); 666 irq_exit();
664 667
665 if (wait) { 668 if (wait) {
@@ -705,3 +708,10 @@ struct smp_ops smp_ops = {
705 .smp_send_reschedule = native_smp_send_reschedule, 708 .smp_send_reschedule = native_smp_send_reschedule,
706 .smp_call_function_mask = native_smp_call_function_mask, 709 .smp_call_function_mask = native_smp_call_function_mask,
707}; 710};
711
712int smp_call_function_mask(cpumask_t mask, void (*func) (void *info),
713 void *info, int wait)
714{
715 return smp_ops.smp_call_function_mask(mask, func, info, wait);
716}
717EXPORT_SYMBOL(smp_call_function_mask);
diff --git a/arch/x86/kernel/smp_64.c b/arch/x86/kernel/smp_64.c
index df4a82812adb..5c2964727d19 100644
--- a/arch/x86/kernel/smp_64.c
+++ b/arch/x86/kernel/smp_64.c
@@ -163,6 +163,7 @@ asmlinkage void smp_invalidate_interrupt(struct pt_regs *regs)
163out: 163out:
164 ack_APIC_irq(); 164 ack_APIC_irq();
165 cpu_clear(cpu, f->flush_cpumask); 165 cpu_clear(cpu, f->flush_cpumask);
166 add_pda(irq_tlb_count, 1);
166} 167}
167 168
168static void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm, 169static void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm,
@@ -493,6 +494,7 @@ void smp_send_stop(void)
493asmlinkage void smp_reschedule_interrupt(void) 494asmlinkage void smp_reschedule_interrupt(void)
494{ 495{
495 ack_APIC_irq(); 496 ack_APIC_irq();
497 add_pda(irq_resched_count, 1);
496} 498}
497 499
498asmlinkage void smp_call_function_interrupt(void) 500asmlinkage void smp_call_function_interrupt(void)
@@ -514,6 +516,7 @@ asmlinkage void smp_call_function_interrupt(void)
514 exit_idle(); 516 exit_idle();
515 irq_enter(); 517 irq_enter();
516 (*func)(info); 518 (*func)(info);
519 add_pda(irq_call_count, 1);
517 irq_exit(); 520 irq_exit();
518 if (wait) { 521 if (wait) {
519 mb(); 522 mb();
diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index 31fc08bd15ef..be3faac04719 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -102,8 +102,8 @@ u8 apicid_2_node[MAX_APICID];
102 * Trampoline 80x86 program as an array. 102 * Trampoline 80x86 program as an array.
103 */ 103 */
104 104
105extern unsigned char trampoline_data []; 105extern const unsigned char trampoline_data [];
106extern unsigned char trampoline_end []; 106extern const unsigned char trampoline_end [];
107static unsigned char *trampoline_base; 107static unsigned char *trampoline_base;
108static int trampoline_exec; 108static int trampoline_exec;
109 109
@@ -118,7 +118,7 @@ DEFINE_PER_CPU(int, cpu_state) = { 0 };
118 * has made sure it's suitably aligned. 118 * has made sure it's suitably aligned.
119 */ 119 */
120 120
121static unsigned long __devinit setup_trampoline(void) 121static unsigned long __cpuinit setup_trampoline(void)
122{ 122{
123 memcpy(trampoline_base, trampoline_data, trampoline_end - trampoline_data); 123 memcpy(trampoline_base, trampoline_data, trampoline_end - trampoline_data);
124 return virt_to_phys(trampoline_base); 124 return virt_to_phys(trampoline_base);
@@ -1021,6 +1021,12 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
1021 if (!max_cpus) { 1021 if (!max_cpus) {
1022 smp_found_config = 0; 1022 smp_found_config = 0;
1023 printk(KERN_INFO "SMP mode deactivated, forcing use of dummy APIC emulation.\n"); 1023 printk(KERN_INFO "SMP mode deactivated, forcing use of dummy APIC emulation.\n");
1024
1025 if (nmi_watchdog == NMI_LOCAL_APIC) {
1026 printk(KERN_INFO "activating minimal APIC for NMI watchdog use.\n");
1027 connect_bsp_APIC();
1028 setup_local_APIC();
1029 }
1024 smpboot_clear_io_apic_irqs(); 1030 smpboot_clear_io_apic_irqs();
1025 phys_cpu_present_map = physid_mask_of_physid(0); 1031 phys_cpu_present_map = physid_mask_of_physid(0);
1026 cpu_set(0, per_cpu(cpu_sibling_map, 0)); 1032 cpu_set(0, per_cpu(cpu_sibling_map, 0));
diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index 0faa0a0af272..e351ac4ab5b1 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -102,8 +102,8 @@ EXPORT_PER_CPU_SYMBOL(cpu_core_map);
102 * Trampoline 80x86 program as an array. 102 * Trampoline 80x86 program as an array.
103 */ 103 */
104 104
105extern unsigned char trampoline_data[]; 105extern const unsigned char trampoline_data[];
106extern unsigned char trampoline_end[]; 106extern const unsigned char trampoline_end[];
107 107
108/* State of each CPU */ 108/* State of each CPU */
109DEFINE_PER_CPU(int, cpu_state) = { 0 }; 109DEFINE_PER_CPU(int, cpu_state) = { 0 };
@@ -695,7 +695,6 @@ do_rest:
695 cpu_clear(cpu, cpu_present_map); 695 cpu_clear(cpu, cpu_present_map);
696 cpu_clear(cpu, cpu_possible_map); 696 cpu_clear(cpu, cpu_possible_map);
697 x86_cpu_to_apicid[cpu] = BAD_APICID; 697 x86_cpu_to_apicid[cpu] = BAD_APICID;
698 x86_cpu_to_log_apicid[cpu] = BAD_APICID;
699 return -EIO; 698 return -EIO;
700 } 699 }
701 700
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index 413e527cdeb9..6fa6cf036c70 100644
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -33,7 +33,7 @@ static void save_stack_address(void *data, unsigned long addr)
33 trace->entries[trace->nr_entries++] = addr; 33 trace->entries[trace->nr_entries++] = addr;
34} 34}
35 35
36static struct stacktrace_ops save_stack_ops = { 36static const struct stacktrace_ops save_stack_ops = {
37 .warning = save_stack_warning, 37 .warning = save_stack_warning,
38 .warning_symbol = save_stack_warning_symbol, 38 .warning_symbol = save_stack_warning_symbol,
39 .stack = save_stack_stack, 39 .stack = save_stack_stack,
diff --git a/arch/x86/kernel/tce_64.c b/arch/x86/kernel/tce_64.c
index e3f2569b2c44..9e540fee7009 100644
--- a/arch/x86/kernel/tce_64.c
+++ b/arch/x86/kernel/tce_64.c
@@ -40,9 +40,9 @@ static inline void flush_tce(void* tceaddr)
40{ 40{
41 /* a single tce can't cross a cache line */ 41 /* a single tce can't cross a cache line */
42 if (cpu_has_clflush) 42 if (cpu_has_clflush)
43 asm volatile("clflush (%0)" :: "r" (tceaddr)); 43 clflush(tceaddr);
44 else 44 else
45 asm volatile("wbinvd":::"memory"); 45 wbinvd();
46} 46}
47 47
48void tce_build(struct iommu_table *tbl, unsigned long index, 48void tce_build(struct iommu_table *tbl, unsigned long index,
diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
index c25f23eb397c..8caa0b777466 100644
--- a/arch/x86/kernel/topology.c
+++ b/arch/x86/kernel/topology.c
@@ -44,15 +44,15 @@ int arch_register_cpu(int num)
44 * Also certain PCI quirks require not to enable hotplug control 44 * Also certain PCI quirks require not to enable hotplug control
45 * for all CPU's. 45 * for all CPU's.
46 */ 46 */
47 if (num && enable_cpu_hotplug) 47#ifdef CONFIG_HOTPLUG_CPU
48 if (num)
48 cpu_devices[num].cpu.hotpluggable = 1; 49 cpu_devices[num].cpu.hotpluggable = 1;
50#endif
49 51
50 return register_cpu(&cpu_devices[num].cpu, num); 52 return register_cpu(&cpu_devices[num].cpu, num);
51} 53}
52 54
53#ifdef CONFIG_HOTPLUG_CPU 55#ifdef CONFIG_HOTPLUG_CPU
54int enable_cpu_hotplug = 1;
55
56void arch_unregister_cpu(int num) { 56void arch_unregister_cpu(int num) {
57 return unregister_cpu(&cpu_devices[num].cpu); 57 return unregister_cpu(&cpu_devices[num].cpu);
58} 58}
diff --git a/arch/x86/kernel/trampoline_32.S b/arch/x86/kernel/trampoline_32.S
index f62815f8d06a..9bcc1c6aca3d 100644
--- a/arch/x86/kernel/trampoline_32.S
+++ b/arch/x86/kernel/trampoline_32.S
@@ -36,11 +36,11 @@
36#include <asm/segment.h> 36#include <asm/segment.h>
37#include <asm/page.h> 37#include <asm/page.h>
38 38
39.data
40
41/* We can free up trampoline after bootup if cpu hotplug is not supported. */ 39/* We can free up trampoline after bootup if cpu hotplug is not supported. */
42#ifndef CONFIG_HOTPLUG_CPU 40#ifndef CONFIG_HOTPLUG_CPU
43.section ".init.data","aw",@progbits 41.section ".init.data","aw",@progbits
42#else
43.section .rodata,"a",@progbits
44#endif 44#endif
45 45
46.code16 46.code16
diff --git a/arch/x86/kernel/trampoline_64.S b/arch/x86/kernel/trampoline_64.S
index 607983b0d27b..e30b67c6a9f5 100644
--- a/arch/x86/kernel/trampoline_64.S
+++ b/arch/x86/kernel/trampoline_64.S
@@ -33,7 +33,12 @@
33#include <asm/msr.h> 33#include <asm/msr.h>
34#include <asm/segment.h> 34#include <asm/segment.h>
35 35
36.data 36/* We can free up trampoline after bootup if cpu hotplug is not supported. */
37#ifndef CONFIG_HOTPLUG_CPU
38.section .init.data, "aw", @progbits
39#else
40.section .rodata, "a", @progbits
41#endif
37 42
38.code16 43.code16
39 44
diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c
index 05c27ecaf2a7..b132d3957dfc 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -112,7 +112,7 @@ struct stack_frame {
112 112
113static inline unsigned long print_context_stack(struct thread_info *tinfo, 113static inline unsigned long print_context_stack(struct thread_info *tinfo,
114 unsigned long *stack, unsigned long ebp, 114 unsigned long *stack, unsigned long ebp,
115 struct stacktrace_ops *ops, void *data) 115 const struct stacktrace_ops *ops, void *data)
116{ 116{
117#ifdef CONFIG_FRAME_POINTER 117#ifdef CONFIG_FRAME_POINTER
118 struct stack_frame *frame = (struct stack_frame *)ebp; 118 struct stack_frame *frame = (struct stack_frame *)ebp;
@@ -149,7 +149,7 @@ static inline unsigned long print_context_stack(struct thread_info *tinfo,
149 149
150void dump_trace(struct task_struct *task, struct pt_regs *regs, 150void dump_trace(struct task_struct *task, struct pt_regs *regs,
151 unsigned long *stack, 151 unsigned long *stack,
152 struct stacktrace_ops *ops, void *data) 152 const struct stacktrace_ops *ops, void *data)
153{ 153{
154 unsigned long ebp = 0; 154 unsigned long ebp = 0;
155 155
@@ -221,7 +221,7 @@ static void print_trace_address(void *data, unsigned long addr)
221 touch_nmi_watchdog(); 221 touch_nmi_watchdog();
222} 222}
223 223
224static struct stacktrace_ops print_trace_ops = { 224static const struct stacktrace_ops print_trace_ops = {
225 .warning = print_trace_warning, 225 .warning = print_trace_warning,
226 .warning_symbol = print_trace_warning_symbol, 226 .warning_symbol = print_trace_warning_symbol,
227 .stack = print_trace_stack, 227 .stack = print_trace_stack,
@@ -398,31 +398,24 @@ void die(const char * str, struct pt_regs * regs, long err)
398 local_save_flags(flags); 398 local_save_flags(flags);
399 399
400 if (++die.lock_owner_depth < 3) { 400 if (++die.lock_owner_depth < 3) {
401 int nl = 0;
402 unsigned long esp; 401 unsigned long esp;
403 unsigned short ss; 402 unsigned short ss;
404 403
405 report_bug(regs->eip, regs); 404 report_bug(regs->eip, regs);
406 405
407 printk(KERN_EMERG "%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter); 406 printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff,
407 ++die_counter);
408#ifdef CONFIG_PREEMPT 408#ifdef CONFIG_PREEMPT
409 printk(KERN_EMERG "PREEMPT "); 409 printk("PREEMPT ");
410 nl = 1;
411#endif 410#endif
412#ifdef CONFIG_SMP 411#ifdef CONFIG_SMP
413 if (!nl)
414 printk(KERN_EMERG);
415 printk("SMP "); 412 printk("SMP ");
416 nl = 1;
417#endif 413#endif
418#ifdef CONFIG_DEBUG_PAGEALLOC 414#ifdef CONFIG_DEBUG_PAGEALLOC
419 if (!nl)
420 printk(KERN_EMERG);
421 printk("DEBUG_PAGEALLOC"); 415 printk("DEBUG_PAGEALLOC");
422 nl = 1;
423#endif 416#endif
424 if (nl) 417 printk("\n");
425 printk("\n"); 418
426 if (notify_die(DIE_OOPS, str, regs, err, 419 if (notify_die(DIE_OOPS, str, regs, err,
427 current->thread.trap_no, SIGSEGV) != 420 current->thread.trap_no, SIGSEGV) !=
428 NOTIFY_STOP) { 421 NOTIFY_STOP) {
@@ -1112,20 +1105,6 @@ asmlinkage void math_emulate(long arg)
1112 1105
1113#endif /* CONFIG_MATH_EMULATION */ 1106#endif /* CONFIG_MATH_EMULATION */
1114 1107
1115#ifdef CONFIG_X86_F00F_BUG
1116void __init trap_init_f00f_bug(void)
1117{
1118 __set_fixmap(FIX_F00F_IDT, __pa(&idt_table), PAGE_KERNEL_RO);
1119
1120 /*
1121 * Update the IDT descriptor and reload the IDT so that
1122 * it uses the read-only mapped virtual address.
1123 */
1124 idt_descr.address = fix_to_virt(FIX_F00F_IDT);
1125 load_idt(&idt_descr);
1126}
1127#endif
1128
1129/* 1108/*
1130 * This needs to use 'idt_table' rather than 'idt', and 1109 * This needs to use 'idt_table' rather than 'idt', and
1131 * thus use the _nonmapped_ version of the IDT, as the 1110 * thus use the _nonmapped_ version of the IDT, as the
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index bc7116acf8ff..b4a9b3db1994 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -215,7 +215,7 @@ static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
215 215
216void dump_trace(struct task_struct *tsk, struct pt_regs *regs, 216void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
217 unsigned long *stack, 217 unsigned long *stack,
218 struct stacktrace_ops *ops, void *data) 218 const struct stacktrace_ops *ops, void *data)
219{ 219{
220 const unsigned cpu = get_cpu(); 220 const unsigned cpu = get_cpu();
221 unsigned long *irqstack_end = (unsigned long*)cpu_pda(cpu)->irqstackptr; 221 unsigned long *irqstack_end = (unsigned long*)cpu_pda(cpu)->irqstackptr;
@@ -336,7 +336,7 @@ static void print_trace_address(void *data, unsigned long addr)
336 printk_address(addr); 336 printk_address(addr);
337} 337}
338 338
339static struct stacktrace_ops print_trace_ops = { 339static const struct stacktrace_ops print_trace_ops = {
340 .warning = print_trace_warning, 340 .warning = print_trace_warning,
341 .warning_symbol = print_trace_warning_symbol, 341 .warning_symbol = print_trace_warning_symbol,
342 .stack = print_trace_stack, 342 .stack = print_trace_stack,
diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c
index b85ad754f70e..e87a3939ed40 100644
--- a/arch/x86/kernel/tsc_32.c
+++ b/arch/x86/kernel/tsc_32.c
@@ -349,10 +349,10 @@ __cpuinit int unsynchronized_tsc(void)
349 349
350static void __init check_geode_tsc_reliable(void) 350static void __init check_geode_tsc_reliable(void)
351{ 351{
352 unsigned long val; 352 unsigned long res_low, res_high;
353 353
354 rdmsrl(MSR_GEODE_BUSCONT_CONF0, val); 354 rdmsr_safe(MSR_GEODE_BUSCONT_CONF0, &res_low, &res_high);
355 if ((val & RTSC_SUSP)) 355 if (res_low & RTSC_SUSP)
356 clocksource_tsc.flags &= ~CLOCK_SOURCE_MUST_VERIFY; 356 clocksource_tsc.flags &= ~CLOCK_SOURCE_MUST_VERIFY;
357} 357}
358#else 358#else
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 93847d848157..8a67e282cb5e 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -78,7 +78,6 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock)
78 vsyscall_gtod_data.wall_time_sec = wall_time->tv_sec; 78 vsyscall_gtod_data.wall_time_sec = wall_time->tv_sec;
79 vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec; 79 vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec;
80 vsyscall_gtod_data.sys_tz = sys_tz; 80 vsyscall_gtod_data.sys_tz = sys_tz;
81 vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec;
82 vsyscall_gtod_data.wall_to_monotonic = wall_to_monotonic; 81 vsyscall_gtod_data.wall_to_monotonic = wall_to_monotonic;
83 write_sequnlock_irqrestore(&vsyscall_gtod_data.lock, flags); 82 write_sequnlock_irqrestore(&vsyscall_gtod_data.lock, flags);
84} 83}
@@ -289,7 +288,7 @@ static void __cpuinit vsyscall_set_cpu(int cpu)
289 unsigned long *d; 288 unsigned long *d;
290 unsigned long node = 0; 289 unsigned long node = 0;
291#ifdef CONFIG_NUMA 290#ifdef CONFIG_NUMA
292 node = cpu_to_node[cpu]; 291 node = cpu_to_node(cpu);
293#endif 292#endif
294 if (cpu_has(&cpu_data[cpu], X86_FEATURE_RDTSCP)) 293 if (cpu_has(&cpu_data[cpu], X86_FEATURE_RDTSCP))
295 write_rdtscp_aux((node << 12) | cpu); 294 write_rdtscp_aux((node << 12) | cpu);
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-22 03:38:03 -0500