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-rw-r--r--include/asm-x86_64/acpi.h2
-rw-r--r--include/asm-x86_64/alternative-asm.i14
-rw-r--r--include/asm-x86_64/apic.h9
-rw-r--r--include/asm-x86_64/bitops.h2
-rw-r--r--include/asm-x86_64/calgary.h7
-rw-r--r--include/asm-x86_64/dwarf2.h8
-rw-r--r--include/asm-x86_64/e820.h9
-rw-r--r--include/asm-x86_64/fixmap.h4
-rw-r--r--include/asm-x86_64/genapic.h1
-rw-r--r--include/asm-x86_64/i387.h9
-rw-r--r--include/asm-x86_64/intel_arch_perfmon.h14
-rw-r--r--include/asm-x86_64/io_apic.h6
-rw-r--r--include/asm-x86_64/irq.h2
-rw-r--r--include/asm-x86_64/kexec.h29
-rw-r--r--include/asm-x86_64/linkage.h2
-rw-r--r--include/asm-x86_64/mach_apic.h1
-rw-r--r--include/asm-x86_64/mce.h2
-rw-r--r--include/asm-x86_64/mmx.h14
-rw-r--r--include/asm-x86_64/mpspec.h11
-rw-r--r--include/asm-x86_64/msr.h11
-rw-r--r--include/asm-x86_64/mutex.h20
-rw-r--r--include/asm-x86_64/nmi.h38
-rw-r--r--include/asm-x86_64/pci-direct.h42
-rw-r--r--include/asm-x86_64/pda.h109
-rw-r--r--include/asm-x86_64/percpu.h10
-rw-r--r--include/asm-x86_64/pgtable.h8
-rw-r--r--include/asm-x86_64/proto.h15
-rw-r--r--include/asm-x86_64/rwlock.h64
-rw-r--r--include/asm-x86_64/segment.h5
-rw-r--r--include/asm-x86_64/semaphore.h40
-rw-r--r--include/asm-x86_64/signal.h4
-rw-r--r--include/asm-x86_64/smp.h29
-rw-r--r--include/asm-x86_64/spinlock.h79
-rw-r--r--include/asm-x86_64/stacktrace.h18
-rw-r--r--include/asm-x86_64/system.h5
-rw-r--r--include/asm-x86_64/tce.h1
-rw-r--r--include/asm-x86_64/therm_throt.h1
-rw-r--r--include/asm-x86_64/thread_info.h9
-rw-r--r--include/asm-x86_64/tlbflush.h70
-rw-r--r--include/asm-x86_64/uaccess.h68
-rw-r--r--include/asm-x86_64/unistd.h5
-rw-r--r--include/asm-x86_64/unwind.h9
-rw-r--r--include/asm-x86_64/vsyscall.h9
43 files changed, 397 insertions, 418 deletions
diff --git a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h
index 2c95a319c056..ed59aa4c6ff9 100644
--- a/include/asm-x86_64/acpi.h
+++ b/include/asm-x86_64/acpi.h
@@ -155,8 +155,6 @@ extern void acpi_reserve_bootmem(void);
155 155
156#endif /*CONFIG_ACPI_SLEEP*/ 156#endif /*CONFIG_ACPI_SLEEP*/
157 157
158#define boot_cpu_physical_apicid boot_cpu_id
159
160extern int acpi_disabled; 158extern int acpi_disabled;
161extern int acpi_pci_disabled; 159extern int acpi_pci_disabled;
162 160
diff --git a/include/asm-x86_64/alternative-asm.i b/include/asm-x86_64/alternative-asm.i
new file mode 100644
index 000000000000..e4041f4fa4dc
--- /dev/null
+++ b/include/asm-x86_64/alternative-asm.i
@@ -0,0 +1,14 @@
1#include <linux/config.h>
2
3#ifdef CONFIG_SMP
4 .macro LOCK_PREFIX
51: lock
6 .section .smp_locks,"a"
7 .align 8
8 .quad 1b
9 .previous
10 .endm
11#else
12 .macro LOCK_PREFIX
13 .endm
14#endif
diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h
index 9c96a0a8d1bd..9e66d32330c9 100644
--- a/include/asm-x86_64/apic.h
+++ b/include/asm-x86_64/apic.h
@@ -17,6 +17,8 @@
17 17
18extern int apic_verbosity; 18extern int apic_verbosity;
19extern int apic_runs_main_timer; 19extern int apic_runs_main_timer;
20extern int ioapic_force;
21extern int apic_mapped;
20 22
21/* 23/*
22 * Define the default level of output to be very little 24 * Define the default level of output to be very little
@@ -29,8 +31,6 @@ extern int apic_runs_main_timer;
29 printk(s, ##a); \ 31 printk(s, ##a); \
30 } while (0) 32 } while (0)
31 33
32#ifdef CONFIG_X86_LOCAL_APIC
33
34struct pt_regs; 34struct pt_regs;
35 35
36/* 36/*
@@ -95,17 +95,12 @@ extern void setup_APIC_extened_lvt(unsigned char lvt_off, unsigned char vector,
95#define K8_APIC_EXT_INT_MSG_EXT 0x7 95#define K8_APIC_EXT_INT_MSG_EXT 0x7
96#define K8_APIC_EXT_LVT_ENTRY_THRESHOLD 0 96#define K8_APIC_EXT_LVT_ENTRY_THRESHOLD 0
97 97
98extern int disable_timer_pin_1;
99
100
101void smp_send_timer_broadcast_ipi(void); 98void smp_send_timer_broadcast_ipi(void);
102void switch_APIC_timer_to_ipi(void *cpumask); 99void switch_APIC_timer_to_ipi(void *cpumask);
103void switch_ipi_to_APIC_timer(void *cpumask); 100void switch_ipi_to_APIC_timer(void *cpumask);
104 101
105#define ARCH_APICTIMER_STOPS_ON_C3 1 102#define ARCH_APICTIMER_STOPS_ON_C3 1
106 103
107#endif /* CONFIG_X86_LOCAL_APIC */
108
109extern unsigned boot_cpu_id; 104extern unsigned boot_cpu_id;
110 105
111#endif /* __ASM_APIC_H */ 106#endif /* __ASM_APIC_H */
diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h
index f7ba57b1cc08..5b535eaf5309 100644
--- a/include/asm-x86_64/bitops.h
+++ b/include/asm-x86_64/bitops.h
@@ -399,6 +399,8 @@ static __inline__ int fls(int x)
399 return r+1; 399 return r+1;
400} 400}
401 401
402#define ARCH_HAS_FAST_MULTIPLIER 1
403
402#include <asm-generic/bitops/hweight.h> 404#include <asm-generic/bitops/hweight.h>
403 405
404#endif /* __KERNEL__ */ 406#endif /* __KERNEL__ */
diff --git a/include/asm-x86_64/calgary.h b/include/asm-x86_64/calgary.h
index 4e3919524240..6b93f5a3a5c8 100644
--- a/include/asm-x86_64/calgary.h
+++ b/include/asm-x86_64/calgary.h
@@ -24,7 +24,6 @@
24#ifndef _ASM_X86_64_CALGARY_H 24#ifndef _ASM_X86_64_CALGARY_H
25#define _ASM_X86_64_CALGARY_H 25#define _ASM_X86_64_CALGARY_H
26 26
27#include <linux/config.h>
28#include <linux/spinlock.h> 27#include <linux/spinlock.h>
29#include <linux/device.h> 28#include <linux/device.h>
30#include <linux/dma-mapping.h> 29#include <linux/dma-mapping.h>
@@ -34,12 +33,12 @@ struct iommu_table {
34 unsigned long it_base; /* mapped address of tce table */ 33 unsigned long it_base; /* mapped address of tce table */
35 unsigned long it_hint; /* Hint for next alloc */ 34 unsigned long it_hint; /* Hint for next alloc */
36 unsigned long *it_map; /* A simple allocation bitmap for now */ 35 unsigned long *it_map; /* A simple allocation bitmap for now */
36 void __iomem *bbar; /* Bridge BAR */
37 u64 tar_val; /* Table Address Register */
38 struct timer_list watchdog_timer;
37 spinlock_t it_lock; /* Protects it_map */ 39 spinlock_t it_lock; /* Protects it_map */
38 unsigned int it_size; /* Size of iommu table in entries */ 40 unsigned int it_size; /* Size of iommu table in entries */
39 unsigned char it_busno; /* Bus number this table belongs to */ 41 unsigned char it_busno; /* Bus number this table belongs to */
40 void __iomem *bbar;
41 u64 tar_val;
42 struct timer_list watchdog_timer;
43}; 42};
44 43
45#define TCE_TABLE_SIZE_UNSPECIFIED ~0 44#define TCE_TABLE_SIZE_UNSPECIFIED ~0
diff --git a/include/asm-x86_64/dwarf2.h b/include/asm-x86_64/dwarf2.h
index 0744db777676..eedc08526b0b 100644
--- a/include/asm-x86_64/dwarf2.h
+++ b/include/asm-x86_64/dwarf2.h
@@ -13,7 +13,7 @@
13 away for older version. 13 away for older version.
14 */ 14 */
15 15
16#ifdef CONFIG_UNWIND_INFO 16#ifdef CONFIG_AS_CFI
17 17
18#define CFI_STARTPROC .cfi_startproc 18#define CFI_STARTPROC .cfi_startproc
19#define CFI_ENDPROC .cfi_endproc 19#define CFI_ENDPROC .cfi_endproc
@@ -28,6 +28,11 @@
28#define CFI_REMEMBER_STATE .cfi_remember_state 28#define CFI_REMEMBER_STATE .cfi_remember_state
29#define CFI_RESTORE_STATE .cfi_restore_state 29#define CFI_RESTORE_STATE .cfi_restore_state
30#define CFI_UNDEFINED .cfi_undefined 30#define CFI_UNDEFINED .cfi_undefined
31#ifdef CONFIG_AS_CFI_SIGNAL_FRAME
32#define CFI_SIGNAL_FRAME .cfi_signal_frame
33#else
34#define CFI_SIGNAL_FRAME
35#endif
31 36
32#else 37#else
33 38
@@ -45,6 +50,7 @@
45#define CFI_REMEMBER_STATE # 50#define CFI_REMEMBER_STATE #
46#define CFI_RESTORE_STATE # 51#define CFI_RESTORE_STATE #
47#define CFI_UNDEFINED # 52#define CFI_UNDEFINED #
53#define CFI_SIGNAL_FRAME #
48 54
49#endif 55#endif
50 56
diff --git a/include/asm-x86_64/e820.h b/include/asm-x86_64/e820.h
index f65674832318..e15d3c8628f3 100644
--- a/include/asm-x86_64/e820.h
+++ b/include/asm-x86_64/e820.h
@@ -19,13 +19,9 @@
19 19
20#define E820_RAM 1 20#define E820_RAM 1
21#define E820_RESERVED 2 21#define E820_RESERVED 2
22#define E820_ACPI 3 /* usable as RAM once ACPI tables have been read */ 22#define E820_ACPI 3
23#define E820_NVS 4 23#define E820_NVS 4
24 24
25#define HIGH_MEMORY (1024*1024)
26
27#define LOWMEMSIZE() (0x9f000)
28
29#ifndef __ASSEMBLY__ 25#ifndef __ASSEMBLY__
30struct e820entry { 26struct e820entry {
31 u64 addr; /* start of memory segment */ 27 u64 addr; /* start of memory segment */
@@ -56,8 +52,7 @@ extern void e820_setup_gap(void);
56extern unsigned long e820_hole_size(unsigned long start_pfn, 52extern unsigned long e820_hole_size(unsigned long start_pfn,
57 unsigned long end_pfn); 53 unsigned long end_pfn);
58 54
59extern void __init parse_memopt(char *p, char **end); 55extern void finish_e820_parsing(void);
60extern void __init parse_memmapopt(char *p, char **end);
61 56
62extern struct e820map e820; 57extern struct e820map e820;
63 58
diff --git a/include/asm-x86_64/fixmap.h b/include/asm-x86_64/fixmap.h
index 0b4ffbd1a125..1b620db5b9e3 100644
--- a/include/asm-x86_64/fixmap.h
+++ b/include/asm-x86_64/fixmap.h
@@ -37,13 +37,9 @@ enum fixed_addresses {
37 VSYSCALL_FIRST_PAGE = VSYSCALL_LAST_PAGE + ((VSYSCALL_END-VSYSCALL_START) >> PAGE_SHIFT) - 1, 37 VSYSCALL_FIRST_PAGE = VSYSCALL_LAST_PAGE + ((VSYSCALL_END-VSYSCALL_START) >> PAGE_SHIFT) - 1,
38 VSYSCALL_HPET, 38 VSYSCALL_HPET,
39 FIX_HPET_BASE, 39 FIX_HPET_BASE,
40#ifdef CONFIG_X86_LOCAL_APIC
41 FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */ 40 FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */
42#endif
43#ifdef CONFIG_X86_IO_APIC
44 FIX_IO_APIC_BASE_0, 41 FIX_IO_APIC_BASE_0,
45 FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS-1, 42 FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS-1,
46#endif
47 __end_of_fixed_addresses 43 __end_of_fixed_addresses
48}; 44};
49 45
diff --git a/include/asm-x86_64/genapic.h b/include/asm-x86_64/genapic.h
index 50b38e7c58e4..81e714665344 100644
--- a/include/asm-x86_64/genapic.h
+++ b/include/asm-x86_64/genapic.h
@@ -16,7 +16,6 @@ struct genapic {
16 char *name; 16 char *name;
17 u32 int_delivery_mode; 17 u32 int_delivery_mode;
18 u32 int_dest_mode; 18 u32 int_dest_mode;
19 u32 int_delivery_dest; /* for quick IPIs */
20 int (*apic_id_registered)(void); 19 int (*apic_id_registered)(void);
21 cpumask_t (*target_cpus)(void); 20 cpumask_t (*target_cpus)(void);
22 void (*init_apic_ldr)(void); 21 void (*init_apic_ldr)(void);
diff --git a/include/asm-x86_64/i387.h b/include/asm-x86_64/i387.h
index cba8a3b0cded..0217b74cc9fc 100644
--- a/include/asm-x86_64/i387.h
+++ b/include/asm-x86_64/i387.h
@@ -24,6 +24,7 @@ extern unsigned int mxcsr_feature_mask;
24extern void mxcsr_feature_mask_init(void); 24extern void mxcsr_feature_mask_init(void);
25extern void init_fpu(struct task_struct *child); 25extern void init_fpu(struct task_struct *child);
26extern int save_i387(struct _fpstate __user *buf); 26extern int save_i387(struct _fpstate __user *buf);
27extern asmlinkage void math_state_restore(void);
27 28
28/* 29/*
29 * FPU lazy state save handling... 30 * FPU lazy state save handling...
@@ -31,7 +32,9 @@ extern int save_i387(struct _fpstate __user *buf);
31 32
32#define unlazy_fpu(tsk) do { \ 33#define unlazy_fpu(tsk) do { \
33 if (task_thread_info(tsk)->status & TS_USEDFPU) \ 34 if (task_thread_info(tsk)->status & TS_USEDFPU) \
34 save_init_fpu(tsk); \ 35 save_init_fpu(tsk); \
36 else \
37 tsk->fpu_counter = 0; \
35} while (0) 38} while (0)
36 39
37/* Ignore delayed exceptions from user space */ 40/* Ignore delayed exceptions from user space */
@@ -134,8 +137,8 @@ static inline int save_i387_checking(struct i387_fxsave_struct __user *fx)
134#else 137#else
135 : [fx] "cdaSDb" (fx), "0" (0)); 138 : [fx] "cdaSDb" (fx), "0" (0));
136#endif 139#endif
137 if (unlikely(err)) 140 if (unlikely(err) && __clear_user(fx, sizeof(struct i387_fxsave_struct)))
138 __clear_user(fx, sizeof(struct i387_fxsave_struct)); 141 err = -EFAULT;
139 /* No need to clear here because the caller clears USED_MATH */ 142 /* No need to clear here because the caller clears USED_MATH */
140 return err; 143 return err;
141} 144}
diff --git a/include/asm-x86_64/intel_arch_perfmon.h b/include/asm-x86_64/intel_arch_perfmon.h
index 59c396431569..8633331420ec 100644
--- a/include/asm-x86_64/intel_arch_perfmon.h
+++ b/include/asm-x86_64/intel_arch_perfmon.h
@@ -14,6 +14,18 @@
14 14
15#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL (0x3c) 15#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL (0x3c)
16#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK (0x00 << 8) 16#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK (0x00 << 8)
17#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT (1 << 0) 17#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX (0)
18#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT \
19 (1 << (ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX))
20
21union cpuid10_eax {
22 struct {
23 unsigned int version_id:8;
24 unsigned int num_counters:8;
25 unsigned int bit_width:8;
26 unsigned int mask_length:8;
27 } split;
28 unsigned int full;
29};
18 30
19#endif /* X86_64_INTEL_ARCH_PERFMON_H */ 31#endif /* X86_64_INTEL_ARCH_PERFMON_H */
diff --git a/include/asm-x86_64/io_apic.h b/include/asm-x86_64/io_apic.h
index fb7a0909a174..5d1b5c68e36e 100644
--- a/include/asm-x86_64/io_apic.h
+++ b/include/asm-x86_64/io_apic.h
@@ -10,8 +10,6 @@
10 * Copyright (C) 1997, 1998, 1999, 2000 Ingo Molnar 10 * Copyright (C) 1997, 1998, 1999, 2000 Ingo Molnar
11 */ 11 */
12 12
13#ifdef CONFIG_X86_IO_APIC
14
15#ifdef CONFIG_PCI_MSI 13#ifdef CONFIG_PCI_MSI
16static inline int use_pci_vector(void) {return 1;} 14static inline int use_pci_vector(void) {return 1;}
17static inline void disable_edge_ioapic_vector(unsigned int vector) { } 15static inline void disable_edge_ioapic_vector(unsigned int vector) { }
@@ -209,10 +207,6 @@ extern int timer_uses_ioapic_pin_0;
209 207
210extern int sis_apic_bug; /* dummy */ 208extern int sis_apic_bug; /* dummy */
211 209
212#else /* !CONFIG_X86_IO_APIC */
213#define io_apic_assign_pci_irqs 0
214#endif
215
216extern int assign_irq_vector(int irq); 210extern int assign_irq_vector(int irq);
217 211
218void enable_NMI_through_LVT0 (void * dummy); 212void enable_NMI_through_LVT0 (void * dummy);
diff --git a/include/asm-x86_64/irq.h b/include/asm-x86_64/irq.h
index 9db5a1b4f7b1..43469d8ab71a 100644
--- a/include/asm-x86_64/irq.h
+++ b/include/asm-x86_64/irq.h
@@ -44,9 +44,7 @@ static __inline__ int irq_canonicalize(int irq)
44 return ((irq == 2) ? 9 : irq); 44 return ((irq == 2) ? 9 : irq);
45} 45}
46 46
47#ifdef CONFIG_X86_LOCAL_APIC
48#define ARCH_HAS_NMI_WATCHDOG /* See include/linux/nmi.h */ 47#define ARCH_HAS_NMI_WATCHDOG /* See include/linux/nmi.h */
49#endif
50 48
51#ifdef CONFIG_HOTPLUG_CPU 49#ifdef CONFIG_HOTPLUG_CPU
52#include <linux/cpumask.h> 50#include <linux/cpumask.h>
diff --git a/include/asm-x86_64/kexec.h b/include/asm-x86_64/kexec.h
index c564bae03433..5fab957e1091 100644
--- a/include/asm-x86_64/kexec.h
+++ b/include/asm-x86_64/kexec.h
@@ -1,6 +1,27 @@
1#ifndef _X86_64_KEXEC_H 1#ifndef _X86_64_KEXEC_H
2#define _X86_64_KEXEC_H 2#define _X86_64_KEXEC_H
3 3
4#define PA_CONTROL_PAGE 0
5#define VA_CONTROL_PAGE 1
6#define PA_PGD 2
7#define VA_PGD 3
8#define PA_PUD_0 4
9#define VA_PUD_0 5
10#define PA_PMD_0 6
11#define VA_PMD_0 7
12#define PA_PTE_0 8
13#define VA_PTE_0 9
14#define PA_PUD_1 10
15#define VA_PUD_1 11
16#define PA_PMD_1 12
17#define VA_PMD_1 13
18#define PA_PTE_1 14
19#define VA_PTE_1 15
20#define PA_TABLE_PAGE 16
21#define PAGES_NR 17
22
23#ifndef __ASSEMBLY__
24
4#include <linux/string.h> 25#include <linux/string.h>
5 26
6#include <asm/page.h> 27#include <asm/page.h>
@@ -64,4 +85,12 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
64 newregs->rip = (unsigned long)current_text_addr(); 85 newregs->rip = (unsigned long)current_text_addr();
65 } 86 }
66} 87}
88
89NORET_TYPE void
90relocate_kernel(unsigned long indirection_page,
91 unsigned long page_list,
92 unsigned long start_address) ATTRIB_NORET;
93
94#endif /* __ASSEMBLY__ */
95
67#endif /* _X86_64_KEXEC_H */ 96#endif /* _X86_64_KEXEC_H */
diff --git a/include/asm-x86_64/linkage.h b/include/asm-x86_64/linkage.h
index 291c2d01c44f..b5f39d0189ce 100644
--- a/include/asm-x86_64/linkage.h
+++ b/include/asm-x86_64/linkage.h
@@ -1,6 +1,6 @@
1#ifndef __ASM_LINKAGE_H 1#ifndef __ASM_LINKAGE_H
2#define __ASM_LINKAGE_H 2#define __ASM_LINKAGE_H
3 3
4/* Nothing to see here... */ 4#define __ALIGN .p2align 4,,15
5 5
6#endif 6#endif
diff --git a/include/asm-x86_64/mach_apic.h b/include/asm-x86_64/mach_apic.h
index 0acea44c9377..d33422450c00 100644
--- a/include/asm-x86_64/mach_apic.h
+++ b/include/asm-x86_64/mach_apic.h
@@ -16,7 +16,6 @@
16 16
17#define INT_DELIVERY_MODE (genapic->int_delivery_mode) 17#define INT_DELIVERY_MODE (genapic->int_delivery_mode)
18#define INT_DEST_MODE (genapic->int_dest_mode) 18#define INT_DEST_MODE (genapic->int_dest_mode)
19#define INT_DELIVERY_DEST (genapic->int_delivery_dest)
20#define TARGET_CPUS (genapic->target_cpus()) 19#define TARGET_CPUS (genapic->target_cpus())
21#define apic_id_registered (genapic->apic_id_registered) 20#define apic_id_registered (genapic->apic_id_registered)
22#define init_apic_ldr (genapic->init_apic_ldr) 21#define init_apic_ldr (genapic->init_apic_ldr)
diff --git a/include/asm-x86_64/mce.h b/include/asm-x86_64/mce.h
index d13687dfd691..5a11146d6d9c 100644
--- a/include/asm-x86_64/mce.h
+++ b/include/asm-x86_64/mce.h
@@ -99,6 +99,8 @@ static inline void mce_amd_feature_init(struct cpuinfo_x86 *c)
99} 99}
100#endif 100#endif
101 101
102void mce_log_therm_throt_event(unsigned int cpu, __u64 status);
103
102extern atomic_t mce_entry; 104extern atomic_t mce_entry;
103 105
104#endif 106#endif
diff --git a/include/asm-x86_64/mmx.h b/include/asm-x86_64/mmx.h
deleted file mode 100644
index 46b71da99869..000000000000
--- a/include/asm-x86_64/mmx.h
+++ /dev/null
@@ -1,14 +0,0 @@
1#ifndef _ASM_MMX_H
2#define _ASM_MMX_H
3
4/*
5 * MMX 3Dnow! helper operations
6 */
7
8#include <linux/types.h>
9
10extern void *_mmx_memcpy(void *to, const void *from, size_t size);
11extern void mmx_clear_page(void *page);
12extern void mmx_copy_page(void *to, void *from);
13
14#endif
diff --git a/include/asm-x86_64/mpspec.h b/include/asm-x86_64/mpspec.h
index 14fc3ddd9031..017fddb61dc5 100644
--- a/include/asm-x86_64/mpspec.h
+++ b/include/asm-x86_64/mpspec.h
@@ -159,13 +159,7 @@ struct mpc_config_lintsrc
159#define MAX_MP_BUSSES 256 159#define MAX_MP_BUSSES 256
160/* Each PCI slot may be a combo card with its own bus. 4 IRQ pins per slot. */ 160/* Each PCI slot may be a combo card with its own bus. 4 IRQ pins per slot. */
161#define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4) 161#define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4)
162enum mp_bustype { 162extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
163 MP_BUS_ISA = 1,
164 MP_BUS_EISA,
165 MP_BUS_PCI,
166 MP_BUS_MCA
167};
168extern unsigned char mp_bus_id_to_type [MAX_MP_BUSSES];
169extern int mp_bus_id_to_pci_bus [MAX_MP_BUSSES]; 163extern int mp_bus_id_to_pci_bus [MAX_MP_BUSSES];
170 164
171extern unsigned int boot_cpu_physical_apicid; 165extern unsigned int boot_cpu_physical_apicid;
@@ -178,18 +172,15 @@ extern int mp_irq_entries;
178extern struct mpc_config_intsrc mp_irqs [MAX_IRQ_SOURCES]; 172extern struct mpc_config_intsrc mp_irqs [MAX_IRQ_SOURCES];
179extern int mpc_default_type; 173extern int mpc_default_type;
180extern unsigned long mp_lapic_addr; 174extern unsigned long mp_lapic_addr;
181extern int pic_mode;
182 175
183#ifdef CONFIG_ACPI 176#ifdef CONFIG_ACPI
184extern void mp_register_lapic (u8 id, u8 enabled); 177extern void mp_register_lapic (u8 id, u8 enabled);
185extern void mp_register_lapic_address (u64 address); 178extern void mp_register_lapic_address (u64 address);
186 179
187#ifdef CONFIG_X86_IO_APIC
188extern void mp_register_ioapic (u8 id, u32 address, u32 gsi_base); 180extern void mp_register_ioapic (u8 id, u32 address, u32 gsi_base);
189extern void mp_override_legacy_irq (u8 bus_irq, u8 polarity, u8 trigger, u32 gsi); 181extern void mp_override_legacy_irq (u8 bus_irq, u8 polarity, u8 trigger, u32 gsi);
190extern void mp_config_acpi_legacy_irqs (void); 182extern void mp_config_acpi_legacy_irqs (void);
191extern int mp_register_gsi (u32 gsi, int triggering, int polarity); 183extern int mp_register_gsi (u32 gsi, int triggering, int polarity);
192#endif /*CONFIG_X86_IO_APIC*/
193#endif 184#endif
194 185
195extern int using_apic_timer; 186extern int using_apic_timer;
diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h
index 10f8b51cec8b..37e194169fac 100644
--- a/include/asm-x86_64/msr.h
+++ b/include/asm-x86_64/msr.h
@@ -66,14 +66,25 @@
66#define rdtscl(low) \ 66#define rdtscl(low) \
67 __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx") 67 __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
68 68
69#define rdtscp(low,high,aux) \
70 asm volatile (".byte 0x0f,0x01,0xf9" : "=a" (low), "=d" (high), "=c" (aux))
71
69#define rdtscll(val) do { \ 72#define rdtscll(val) do { \
70 unsigned int __a,__d; \ 73 unsigned int __a,__d; \
71 asm volatile("rdtsc" : "=a" (__a), "=d" (__d)); \ 74 asm volatile("rdtsc" : "=a" (__a), "=d" (__d)); \
72 (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); \ 75 (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); \
73} while(0) 76} while(0)
74 77
78#define rdtscpll(val, aux) do { \
79 unsigned long __a, __d; \
80 asm volatile (".byte 0x0f,0x01,0xf9" : "=a" (__a), "=d" (__d), "=c" (aux)); \
81 (val) = (__d << 32) | __a; \
82} while (0)
83
75#define write_tsc(val1,val2) wrmsr(0x10, val1, val2) 84#define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
76 85
86#define write_rdtscp_aux(val) wrmsr(0xc0000103, val, 0)
87
77#define rdpmc(counter,low,high) \ 88#define rdpmc(counter,low,high) \
78 __asm__ __volatile__("rdpmc" \ 89 __asm__ __volatile__("rdpmc" \
79 : "=a" (low), "=d" (high) \ 90 : "=a" (low), "=d" (high) \
diff --git a/include/asm-x86_64/mutex.h b/include/asm-x86_64/mutex.h
index 06fab6de2a88..16396b1de3e4 100644
--- a/include/asm-x86_64/mutex.h
+++ b/include/asm-x86_64/mutex.h
@@ -25,13 +25,9 @@ do { \
25 \ 25 \
26 __asm__ __volatile__( \ 26 __asm__ __volatile__( \
27 LOCK_PREFIX " decl (%%rdi) \n" \ 27 LOCK_PREFIX " decl (%%rdi) \n" \
28 " js 2f \n" \ 28 " jns 1f \n" \
29 "1: \n" \ 29 " call "#fail_fn" \n" \
30 \ 30 "1:" \
31 LOCK_SECTION_START("") \
32 "2: call "#fail_fn" \n" \
33 " jmp 1b \n" \
34 LOCK_SECTION_END \
35 \ 31 \
36 :"=D" (dummy) \ 32 :"=D" (dummy) \
37 : "D" (v) \ 33 : "D" (v) \
@@ -75,13 +71,9 @@ do { \
75 \ 71 \
76 __asm__ __volatile__( \ 72 __asm__ __volatile__( \
77 LOCK_PREFIX " incl (%%rdi) \n" \ 73 LOCK_PREFIX " incl (%%rdi) \n" \
78 " jle 2f \n" \ 74 " jg 1f \n" \
79 "1: \n" \ 75 " call "#fail_fn" \n" \
80 \ 76 "1: " \
81 LOCK_SECTION_START("") \
82 "2: call "#fail_fn" \n" \
83 " jmp 1b \n" \
84 LOCK_SECTION_END \
85 \ 77 \
86 :"=D" (dummy) \ 78 :"=D" (dummy) \
87 : "D" (v) \ 79 : "D" (v) \
diff --git a/include/asm-x86_64/nmi.h b/include/asm-x86_64/nmi.h
index efb45c894d76..cbf2669bca71 100644
--- a/include/asm-x86_64/nmi.h
+++ b/include/asm-x86_64/nmi.h
@@ -7,24 +7,13 @@
7#include <linux/pm.h> 7#include <linux/pm.h>
8#include <asm/io.h> 8#include <asm/io.h>
9 9
10struct pt_regs;
11
12typedef int (*nmi_callback_t)(struct pt_regs * regs, int cpu);
13
14/**
15 * set_nmi_callback
16 *
17 * Set a handler for an NMI. Only one handler may be
18 * set. Return 1 if the NMI was handled.
19 */
20void set_nmi_callback(nmi_callback_t callback);
21
22/** 10/**
23 * unset_nmi_callback 11 * do_nmi_callback
24 * 12 *
25 * Remove the handler previously set. 13 * Check to see if a callback exists and execute it. Return 1
14 * if the handler exists and was handled successfully.
26 */ 15 */
27void unset_nmi_callback(void); 16int do_nmi_callback(struct pt_regs *regs, int cpu);
28 17
29#ifdef CONFIG_PM 18#ifdef CONFIG_PM
30 19
@@ -48,25 +37,32 @@ static inline void unset_nmi_pm_callback(struct pm_dev * dev)
48#endif /* CONFIG_PM */ 37#endif /* CONFIG_PM */
49 38
50extern void default_do_nmi(struct pt_regs *); 39extern void default_do_nmi(struct pt_regs *);
51extern void die_nmi(char *str, struct pt_regs *regs); 40extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
52 41
53#define get_nmi_reason() inb(0x61) 42#define get_nmi_reason() inb(0x61)
54 43
55extern int panic_on_timeout; 44extern int panic_on_timeout;
56extern int unknown_nmi_panic; 45extern int unknown_nmi_panic;
46extern int nmi_watchdog_enabled;
57 47
58extern int check_nmi_watchdog(void); 48extern int check_nmi_watchdog(void);
59 49extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
60extern void setup_apic_nmi_watchdog (void); 50extern int avail_to_resrv_perfctr_nmi(unsigned int);
61extern int reserve_lapic_nmi(void); 51extern int reserve_perfctr_nmi(unsigned int);
62extern void release_lapic_nmi(void); 52extern void release_perfctr_nmi(unsigned int);
53extern int reserve_evntsel_nmi(unsigned int);
54extern void release_evntsel_nmi(unsigned int);
55
56extern void setup_apic_nmi_watchdog (void *);
57extern void stop_apic_nmi_watchdog (void *);
63extern void disable_timer_nmi_watchdog(void); 58extern void disable_timer_nmi_watchdog(void);
64extern void enable_timer_nmi_watchdog(void); 59extern void enable_timer_nmi_watchdog(void);
65extern void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason); 60extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
66 61
67extern void nmi_watchdog_default(void); 62extern void nmi_watchdog_default(void);
68extern int setup_nmi_watchdog(char *); 63extern int setup_nmi_watchdog(char *);
69 64
65extern atomic_t nmi_active;
70extern unsigned int nmi_watchdog; 66extern unsigned int nmi_watchdog;
71#define NMI_DEFAULT -1 67#define NMI_DEFAULT -1
72#define NMI_NONE 0 68#define NMI_NONE 0
diff --git a/include/asm-x86_64/pci-direct.h b/include/asm-x86_64/pci-direct.h
index 036b6ca5b53b..eba9cb471df3 100644
--- a/include/asm-x86_64/pci-direct.h
+++ b/include/asm-x86_64/pci-direct.h
@@ -2,47 +2,15 @@
2#define ASM_PCI_DIRECT_H 1 2#define ASM_PCI_DIRECT_H 1
3 3
4#include <linux/types.h> 4#include <linux/types.h>
5#include <asm/io.h>
6 5
7/* Direct PCI access. This is used for PCI accesses in early boot before 6/* Direct PCI access. This is used for PCI accesses in early boot before
8 the PCI subsystem works. */ 7 the PCI subsystem works. */
9 8
10#define PDprintk(x...) 9extern u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset);
10extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset);
11extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset);
12extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val);
11 13
12static inline u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset) 14extern int early_pci_allowed(void);
13{
14 u32 v;
15 outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
16 v = inl(0xcfc);
17 if (v != 0xffffffff)
18 PDprintk("%x reading 4 from %x: %x\n", slot, offset, v);
19 return v;
20}
21
22static inline u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset)
23{
24 u8 v;
25 outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
26 v = inb(0xcfc + (offset&3));
27 PDprintk("%x reading 1 from %x: %x\n", slot, offset, v);
28 return v;
29}
30
31static inline u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset)
32{
33 u16 v;
34 outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
35 v = inw(0xcfc + (offset&2));
36 PDprintk("%x reading 2 from %x: %x\n", slot, offset, v);
37 return v;
38}
39
40static inline void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset,
41 u32 val)
42{
43 PDprintk("%x writing to %x: %x\n", slot, offset, val);
44 outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
45 outl(val, 0xcfc);
46}
47 15
48#endif 16#endif
diff --git a/include/asm-x86_64/pda.h b/include/asm-x86_64/pda.h
index b47c3df9ed1d..14996d962bac 100644
--- a/include/asm-x86_64/pda.h
+++ b/include/asm-x86_64/pda.h
@@ -9,20 +9,24 @@
9 9
10/* Per processor datastructure. %gs points to it while the kernel runs */ 10/* Per processor datastructure. %gs points to it while the kernel runs */
11struct x8664_pda { 11struct x8664_pda {
12 struct task_struct *pcurrent; /* Current process */ 12 struct task_struct *pcurrent; /* 0 Current process */
13 unsigned long data_offset; /* Per cpu data offset from linker address */ 13 unsigned long data_offset; /* 8 Per cpu data offset from linker
14 unsigned long kernelstack; /* top of kernel stack for current */ 14 address */
15 unsigned long oldrsp; /* user rsp for system call */ 15 unsigned long kernelstack; /* 16 top of kernel stack for current */
16#if DEBUG_STKSZ > EXCEPTION_STKSZ 16 unsigned long oldrsp; /* 24 user rsp for system call */
17 unsigned long debugstack; /* #DB/#BP stack. */ 17 int irqcount; /* 32 Irq nesting counter. Starts with -1 */
18 int cpunumber; /* 36 Logical CPU number */
19#ifdef CONFIG_CC_STACKPROTECTOR
20 unsigned long stack_canary; /* 40 stack canary value */
21 /* gcc-ABI: this canary MUST be at
22 offset 40!!! */
18#endif 23#endif
19 int irqcount; /* Irq nesting counter. Starts with -1 */ 24 char *irqstackptr;
20 int cpunumber; /* Logical CPU number */
21 char *irqstackptr; /* top of irqstack */
22 int nodenumber; /* number of current node */ 25 int nodenumber; /* number of current node */
23 unsigned int __softirq_pending; 26 unsigned int __softirq_pending;
24 unsigned int __nmi_count; /* number of NMI on this CPUs */ 27 unsigned int __nmi_count; /* number of NMI on this CPUs */
25 int mmu_state; 28 short mmu_state;
29 short isidle;
26 struct mm_struct *active_mm; 30 struct mm_struct *active_mm;
27 unsigned apic_timer_irqs; 31 unsigned apic_timer_irqs;
28} ____cacheline_aligned_in_smp; 32} ____cacheline_aligned_in_smp;
@@ -36,44 +40,69 @@ extern struct x8664_pda boot_cpu_pda[];
36 * There is no fast way to get the base address of the PDA, all the accesses 40 * There is no fast way to get the base address of the PDA, all the accesses
37 * have to mention %fs/%gs. So it needs to be done this Torvaldian way. 41 * have to mention %fs/%gs. So it needs to be done this Torvaldian way.
38 */ 42 */
39#define sizeof_field(type,field) (sizeof(((type *)0)->field)) 43extern void __bad_pda_field(void) __attribute__((noreturn));
40#define typeof_field(type,field) typeof(((type *)0)->field)
41 44
42extern void __bad_pda_field(void); 45/*
46 * proxy_pda doesn't actually exist, but tell gcc it is accessed for
47 * all PDA accesses so it gets read/write dependencies right.
48 */
49extern struct x8664_pda _proxy_pda;
43 50
44#define pda_offset(field) offsetof(struct x8664_pda, field) 51#define pda_offset(field) offsetof(struct x8664_pda, field)
45 52
46#define pda_to_op(op,field,val) do { \ 53#define pda_to_op(op,field,val) do { \
47 typedef typeof_field(struct x8664_pda, field) T__; \ 54 typedef typeof(_proxy_pda.field) T__; \
48 switch (sizeof_field(struct x8664_pda, field)) { \ 55 if (0) { T__ tmp__; tmp__ = (val); } /* type checking */ \
49case 2: \ 56 switch (sizeof(_proxy_pda.field)) { \
50asm volatile(op "w %0,%%gs:%P1"::"ri" ((T__)val),"i"(pda_offset(field)):"memory"); break; \ 57 case 2: \
51case 4: \ 58 asm(op "w %1,%%gs:%c2" : \
52asm volatile(op "l %0,%%gs:%P1"::"ri" ((T__)val),"i"(pda_offset(field)):"memory"); break; \ 59 "+m" (_proxy_pda.field) : \
53case 8: \ 60 "ri" ((T__)val), \
54asm volatile(op "q %0,%%gs:%P1"::"ri" ((T__)val),"i"(pda_offset(field)):"memory"); break; \ 61 "i"(pda_offset(field))); \
55 default: __bad_pda_field(); \ 62 break; \
56 } \ 63 case 4: \
64 asm(op "l %1,%%gs:%c2" : \
65 "+m" (_proxy_pda.field) : \
66 "ri" ((T__)val), \
67 "i" (pda_offset(field))); \
68 break; \
69 case 8: \
70 asm(op "q %1,%%gs:%c2": \
71 "+m" (_proxy_pda.field) : \
72 "ri" ((T__)val), \
73 "i"(pda_offset(field))); \
74 break; \
75 default: \
76 __bad_pda_field(); \
77 } \
57 } while (0) 78 } while (0)
58 79
59/* 80#define pda_from_op(op,field) ({ \
60 * AK: PDA read accesses should be neither volatile nor have an memory clobber. 81 typeof(_proxy_pda.field) ret__; \
61 * Unfortunately removing them causes all hell to break lose currently. 82 switch (sizeof(_proxy_pda.field)) { \
62 */ 83 case 2: \
63#define pda_from_op(op,field) ({ \ 84 asm(op "w %%gs:%c1,%0" : \
64 typeof_field(struct x8664_pda, field) ret__; \ 85 "=r" (ret__) : \
65 switch (sizeof_field(struct x8664_pda, field)) { \ 86 "i" (pda_offset(field)), \
66case 2: \ 87 "m" (_proxy_pda.field)); \
67asm volatile(op "w %%gs:%P1,%0":"=r" (ret__):"i"(pda_offset(field)):"memory"); break;\ 88 break; \
68case 4: \ 89 case 4: \
69asm volatile(op "l %%gs:%P1,%0":"=r" (ret__):"i"(pda_offset(field)):"memory"); break;\ 90 asm(op "l %%gs:%c1,%0": \
70case 8: \ 91 "=r" (ret__): \
71asm volatile(op "q %%gs:%P1,%0":"=r" (ret__):"i"(pda_offset(field)):"memory"); break;\ 92 "i" (pda_offset(field)), \
72 default: __bad_pda_field(); \ 93 "m" (_proxy_pda.field)); \
73 } \ 94 break; \
95 case 8: \
96 asm(op "q %%gs:%c1,%0": \
97 "=r" (ret__) : \
98 "i" (pda_offset(field)), \
99 "m" (_proxy_pda.field)); \
100 break; \
101 default: \
102 __bad_pda_field(); \
103 } \
74 ret__; }) 104 ret__; })
75 105
76
77#define read_pda(field) pda_from_op("mov",field) 106#define read_pda(field) pda_from_op("mov",field)
78#define write_pda(field,val) pda_to_op("mov",field,val) 107#define write_pda(field,val) pda_to_op("mov",field,val)
79#define add_pda(field,val) pda_to_op("add",field,val) 108#define add_pda(field,val) pda_to_op("add",field,val)
diff --git a/include/asm-x86_64/percpu.h b/include/asm-x86_64/percpu.h
index bffb2f886a51..285756010c51 100644
--- a/include/asm-x86_64/percpu.h
+++ b/include/asm-x86_64/percpu.h
@@ -11,6 +11,16 @@
11 11
12#include <asm/pda.h> 12#include <asm/pda.h>
13 13
14#ifdef CONFIG_MODULES
15# define PERCPU_MODULE_RESERVE 8192
16#else
17# define PERCPU_MODULE_RESERVE 0
18#endif
19
20#define PERCPU_ENOUGH_ROOM \
21 (ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES) + \
22 PERCPU_MODULE_RESERVE)
23
14#define __per_cpu_offset(cpu) (cpu_pda(cpu)->data_offset) 24#define __per_cpu_offset(cpu) (cpu_pda(cpu)->data_offset)
15#define __my_cpu_offset() read_pda(data_offset) 25#define __my_cpu_offset() read_pda(data_offset)
16 26
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index 51eba2395171..6899e770b173 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -21,12 +21,9 @@ extern unsigned long __supported_pte_mask;
21 21
22#define swapper_pg_dir init_level4_pgt 22#define swapper_pg_dir init_level4_pgt
23 23
24extern int nonx_setup(char *str);
25extern void paging_init(void); 24extern void paging_init(void);
26extern void clear_kernel_mapping(unsigned long addr, unsigned long size); 25extern void clear_kernel_mapping(unsigned long addr, unsigned long size);
27 26
28extern unsigned long pgkern_mask;
29
30/* 27/*
31 * ZERO_PAGE is a global shared page that is always zero: used 28 * ZERO_PAGE is a global shared page that is always zero: used
32 * for zero-mapped memory areas etc.. 29 * for zero-mapped memory areas etc..
@@ -265,7 +262,7 @@ static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
265#define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT) 262#define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT)
266static inline int pte_user(pte_t pte) { return pte_val(pte) & _PAGE_USER; } 263static inline int pte_user(pte_t pte) { return pte_val(pte) & _PAGE_USER; }
267static inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_USER; } 264static inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_USER; }
268static inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_USER; } 265static inline int pte_exec(pte_t pte) { return !(pte_val(pte) & _PAGE_NX); }
269static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; } 266static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
270static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; } 267static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
271static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; } 268static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; }
@@ -278,11 +275,12 @@ static inline pte_t pte_mkclean(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) &
278static inline pte_t pte_mkold(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_ACCESSED)); return pte; } 275static inline pte_t pte_mkold(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_ACCESSED)); return pte; }
279static inline pte_t pte_wrprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_RW)); return pte; } 276static inline pte_t pte_wrprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_RW)); return pte; }
280static inline pte_t pte_mkread(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_USER)); return pte; } 277static inline pte_t pte_mkread(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_USER)); return pte; }
281static inline pte_t pte_mkexec(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_USER)); return pte; } 278static inline pte_t pte_mkexec(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_NX)); return pte; }
282static inline pte_t pte_mkdirty(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; } 279static inline pte_t pte_mkdirty(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
283static inline pte_t pte_mkyoung(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; } 280static inline pte_t pte_mkyoung(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
284static inline pte_t pte_mkwrite(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_RW)); return pte; } 281static inline pte_t pte_mkwrite(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_RW)); return pte; }
285static inline pte_t pte_mkhuge(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_PSE)); return pte; } 282static inline pte_t pte_mkhuge(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_PSE)); return pte; }
283static inline pte_t pte_clrhuge(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_PSE)); return pte; }
286 284
287struct vm_area_struct; 285struct vm_area_struct;
288 286
diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h
index 038fe1f47e6f..b73d0c76613c 100644
--- a/include/asm-x86_64/proto.h
+++ b/include/asm-x86_64/proto.h
@@ -51,10 +51,8 @@ extern unsigned long long monotonic_base;
51extern int sysctl_vsyscall; 51extern int sysctl_vsyscall;
52extern int nohpet; 52extern int nohpet;
53extern unsigned long vxtime_hz; 53extern unsigned long vxtime_hz;
54extern void time_init_gtod(void);
54 55
55extern int numa_setup(char *opt);
56
57extern int setup_early_printk(char *);
58extern void early_printk(const char *fmt, ...) __attribute__((format(printf,1,2))); 56extern void early_printk(const char *fmt, ...) __attribute__((format(printf,1,2)));
59 57
60extern void early_identify_cpu(struct cpuinfo_x86 *c); 58extern void early_identify_cpu(struct cpuinfo_x86 *c);
@@ -91,7 +89,7 @@ extern void syscall32_cpu_init(void);
91 89
92extern void setup_node_bootmem(int nodeid, unsigned long start, unsigned long end); 90extern void setup_node_bootmem(int nodeid, unsigned long start, unsigned long end);
93 91
94extern void check_ioapic(void); 92extern void early_quirks(void);
95extern void check_efer(void); 93extern void check_efer(void);
96 94
97extern int unhandled_signal(struct task_struct *tsk, int sig); 95extern int unhandled_signal(struct task_struct *tsk, int sig);
@@ -103,13 +101,7 @@ extern void select_idle_routine(const struct cpuinfo_x86 *c);
103extern unsigned long table_start, table_end; 101extern unsigned long table_start, table_end;
104 102
105extern int exception_trace; 103extern int exception_trace;
106extern int using_apic_timer;
107extern int disable_apic;
108extern unsigned cpu_khz; 104extern unsigned cpu_khz;
109extern int ioapic_force;
110extern int skip_ioapic_setup;
111extern int acpi_ht;
112extern int acpi_disabled;
113 105
114extern void no_iommu_init(void); 106extern void no_iommu_init(void);
115extern int force_iommu, no_iommu; 107extern int force_iommu, no_iommu;
@@ -131,7 +123,8 @@ extern int fix_aperture;
131 123
132extern int reboot_force; 124extern int reboot_force;
133extern int notsc_setup(char *); 125extern int notsc_setup(char *);
134extern int setup_additional_cpus(char *); 126
127extern int gsi_irq_sharing(int gsi);
135 128
136extern void smp_local_timer_interrupt(struct pt_regs * regs); 129extern void smp_local_timer_interrupt(struct pt_regs * regs);
137 130
diff --git a/include/asm-x86_64/rwlock.h b/include/asm-x86_64/rwlock.h
index dea0e9459264..72aeebed920b 100644
--- a/include/asm-x86_64/rwlock.h
+++ b/include/asm-x86_64/rwlock.h
@@ -18,69 +18,9 @@
18#ifndef _ASM_X86_64_RWLOCK_H 18#ifndef _ASM_X86_64_RWLOCK_H
19#define _ASM_X86_64_RWLOCK_H 19#define _ASM_X86_64_RWLOCK_H
20 20
21#include <linux/stringify.h>
22
23#define RW_LOCK_BIAS 0x01000000 21#define RW_LOCK_BIAS 0x01000000
24#define RW_LOCK_BIAS_STR "0x01000000" 22#define RW_LOCK_BIAS_STR "0x01000000"
25
26#define __build_read_lock_ptr(rw, helper) \
27 asm volatile(LOCK_PREFIX "subl $1,(%0)\n\t" \
28 "js 2f\n" \
29 "1:\n" \
30 LOCK_SECTION_START("") \
31 "2:\tcall " helper "\n\t" \
32 "jmp 1b\n" \
33 LOCK_SECTION_END \
34 ::"a" (rw) : "memory")
35
36#define __build_read_lock_const(rw, helper) \
37 asm volatile(LOCK_PREFIX "subl $1,%0\n\t" \
38 "js 2f\n" \
39 "1:\n" \
40 LOCK_SECTION_START("") \
41 "2:\tpushq %%rax\n\t" \
42 "leaq %0,%%rax\n\t" \
43 "call " helper "\n\t" \
44 "popq %%rax\n\t" \
45 "jmp 1b\n" \
46 LOCK_SECTION_END \
47 :"=m" (*((volatile int *)rw))::"memory")
48
49#define __build_read_lock(rw, helper) do { \
50 if (__builtin_constant_p(rw)) \
51 __build_read_lock_const(rw, helper); \
52 else \
53 __build_read_lock_ptr(rw, helper); \
54 } while (0)
55
56#define __build_write_lock_ptr(rw, helper) \
57 asm volatile(LOCK_PREFIX "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \
58 "jnz 2f\n" \
59 "1:\n" \
60 LOCK_SECTION_START("") \
61 "2:\tcall " helper "\n\t" \
62 "jmp 1b\n" \
63 LOCK_SECTION_END \
64 ::"a" (rw) : "memory")
65
66#define __build_write_lock_const(rw, helper) \
67 asm volatile(LOCK_PREFIX "subl $" RW_LOCK_BIAS_STR ",%0\n\t" \
68 "jnz 2f\n" \
69 "1:\n" \
70 LOCK_SECTION_START("") \
71 "2:\tpushq %%rax\n\t" \
72 "leaq %0,%%rax\n\t" \
73 "call " helper "\n\t" \
74 "popq %%rax\n\t" \
75 "jmp 1b\n" \
76 LOCK_SECTION_END \
77 :"=m" (*((volatile long *)rw))::"memory")
78 23
79#define __build_write_lock(rw, helper) do { \ 24/* Actual code is in asm/spinlock.h or in arch/x86_64/lib/rwlock.S */
80 if (__builtin_constant_p(rw)) \
81 __build_write_lock_const(rw, helper); \
82 else \
83 __build_write_lock_ptr(rw, helper); \
84 } while (0)
85 25
86#endif 26#endif
diff --git a/include/asm-x86_64/segment.h b/include/asm-x86_64/segment.h
index d4bed33fb32c..334ddcdd8f92 100644
--- a/include/asm-x86_64/segment.h
+++ b/include/asm-x86_64/segment.h
@@ -20,15 +20,16 @@
20#define __USER_CS 0x33 /* 6*8+3 */ 20#define __USER_CS 0x33 /* 6*8+3 */
21#define __USER32_DS __USER_DS 21#define __USER32_DS __USER_DS
22 22
23#define GDT_ENTRY_TLS 1
24#define GDT_ENTRY_TSS 8 /* needs two entries */ 23#define GDT_ENTRY_TSS 8 /* needs two entries */
25#define GDT_ENTRY_LDT 10 /* needs two entries */ 24#define GDT_ENTRY_LDT 10 /* needs two entries */
26#define GDT_ENTRY_TLS_MIN 12 25#define GDT_ENTRY_TLS_MIN 12
27#define GDT_ENTRY_TLS_MAX 14 26#define GDT_ENTRY_TLS_MAX 14
28/* 15 free */
29 27
30#define GDT_ENTRY_TLS_ENTRIES 3 28#define GDT_ENTRY_TLS_ENTRIES 3
31 29
30#define GDT_ENTRY_PER_CPU 15 /* Abused to load per CPU data from limit */
31#define __PER_CPU_SEG (GDT_ENTRY_PER_CPU * 8 + 3)
32
32/* TLS indexes for 64bit - hardcoded in arch_prctl */ 33/* TLS indexes for 64bit - hardcoded in arch_prctl */
33#define FS_TLS 0 34#define FS_TLS 0
34#define GS_TLS 1 35#define GS_TLS 1
diff --git a/include/asm-x86_64/semaphore.h b/include/asm-x86_64/semaphore.h
index 064df08b9a0f..107bd90429e8 100644
--- a/include/asm-x86_64/semaphore.h
+++ b/include/asm-x86_64/semaphore.h
@@ -107,12 +107,9 @@ static inline void down(struct semaphore * sem)
107 __asm__ __volatile__( 107 __asm__ __volatile__(
108 "# atomic down operation\n\t" 108 "# atomic down operation\n\t"
109 LOCK_PREFIX "decl %0\n\t" /* --sem->count */ 109 LOCK_PREFIX "decl %0\n\t" /* --sem->count */
110 "js 2f\n" 110 "jns 1f\n\t"
111 "1:\n" 111 "call __down_failed\n"
112 LOCK_SECTION_START("") 112 "1:"
113 "2:\tcall __down_failed\n\t"
114 "jmp 1b\n"
115 LOCK_SECTION_END
116 :"=m" (sem->count) 113 :"=m" (sem->count)
117 :"D" (sem) 114 :"D" (sem)
118 :"memory"); 115 :"memory");
@@ -130,14 +127,11 @@ static inline int down_interruptible(struct semaphore * sem)
130 127
131 __asm__ __volatile__( 128 __asm__ __volatile__(
132 "# atomic interruptible down operation\n\t" 129 "# atomic interruptible down operation\n\t"
130 "xorl %0,%0\n\t"
133 LOCK_PREFIX "decl %1\n\t" /* --sem->count */ 131 LOCK_PREFIX "decl %1\n\t" /* --sem->count */
134 "js 2f\n\t" 132 "jns 2f\n\t"
135 "xorl %0,%0\n" 133 "call __down_failed_interruptible\n"
136 "1:\n" 134 "2:\n"
137 LOCK_SECTION_START("")
138 "2:\tcall __down_failed_interruptible\n\t"
139 "jmp 1b\n"
140 LOCK_SECTION_END
141 :"=a" (result), "=m" (sem->count) 135 :"=a" (result), "=m" (sem->count)
142 :"D" (sem) 136 :"D" (sem)
143 :"memory"); 137 :"memory");
@@ -154,14 +148,11 @@ static inline int down_trylock(struct semaphore * sem)
154 148
155 __asm__ __volatile__( 149 __asm__ __volatile__(
156 "# atomic interruptible down operation\n\t" 150 "# atomic interruptible down operation\n\t"
151 "xorl %0,%0\n\t"
157 LOCK_PREFIX "decl %1\n\t" /* --sem->count */ 152 LOCK_PREFIX "decl %1\n\t" /* --sem->count */
158 "js 2f\n\t" 153 "jns 2f\n\t"
159 "xorl %0,%0\n" 154 "call __down_failed_trylock\n\t"
160 "1:\n" 155 "2:\n"
161 LOCK_SECTION_START("")
162 "2:\tcall __down_failed_trylock\n\t"
163 "jmp 1b\n"
164 LOCK_SECTION_END
165 :"=a" (result), "=m" (sem->count) 156 :"=a" (result), "=m" (sem->count)
166 :"D" (sem) 157 :"D" (sem)
167 :"memory","cc"); 158 :"memory","cc");
@@ -179,12 +170,9 @@ static inline void up(struct semaphore * sem)
179 __asm__ __volatile__( 170 __asm__ __volatile__(
180 "# atomic up operation\n\t" 171 "# atomic up operation\n\t"
181 LOCK_PREFIX "incl %0\n\t" /* ++sem->count */ 172 LOCK_PREFIX "incl %0\n\t" /* ++sem->count */
182 "jle 2f\n" 173 "jg 1f\n\t"
183 "1:\n" 174 "call __up_wakeup\n"
184 LOCK_SECTION_START("") 175 "1:"
185 "2:\tcall __up_wakeup\n\t"
186 "jmp 1b\n"
187 LOCK_SECTION_END
188 :"=m" (sem->count) 176 :"=m" (sem->count)
189 :"D" (sem) 177 :"D" (sem)
190 :"memory"); 178 :"memory");
diff --git a/include/asm-x86_64/signal.h b/include/asm-x86_64/signal.h
index 3ede2a61973a..4581f978b299 100644
--- a/include/asm-x86_64/signal.h
+++ b/include/asm-x86_64/signal.h
@@ -24,10 +24,6 @@ typedef struct {
24} sigset_t; 24} sigset_t;
25 25
26 26
27struct pt_regs;
28asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset);
29
30
31#else 27#else
32/* Here we must cater to libcs that poke about in kernel headers. */ 28/* Here we must cater to libcs that poke about in kernel headers. */
33 29
diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h
index ce97f65e1d10..d6b7c057edba 100644
--- a/include/asm-x86_64/smp.h
+++ b/include/asm-x86_64/smp.h
@@ -4,27 +4,18 @@
4/* 4/*
5 * We need the APIC definitions automatically as part of 'smp.h' 5 * We need the APIC definitions automatically as part of 'smp.h'
6 */ 6 */
7#ifndef __ASSEMBLY__
8#include <linux/threads.h> 7#include <linux/threads.h>
9#include <linux/cpumask.h> 8#include <linux/cpumask.h>
10#include <linux/bitops.h> 9#include <linux/bitops.h>
11extern int disable_apic; 10extern int disable_apic;
12#endif
13 11
14#ifdef CONFIG_X86_LOCAL_APIC
15#ifndef __ASSEMBLY__
16#include <asm/fixmap.h> 12#include <asm/fixmap.h>
17#include <asm/mpspec.h> 13#include <asm/mpspec.h>
18#ifdef CONFIG_X86_IO_APIC
19#include <asm/io_apic.h> 14#include <asm/io_apic.h>
20#endif
21#include <asm/apic.h> 15#include <asm/apic.h>
22#include <asm/thread_info.h> 16#include <asm/thread_info.h>
23#endif
24#endif
25 17
26#ifdef CONFIG_SMP 18#ifdef CONFIG_SMP
27#ifndef ASSEMBLY
28 19
29#include <asm/pda.h> 20#include <asm/pda.h>
30 21
@@ -42,7 +33,6 @@ extern cpumask_t cpu_initialized;
42 33
43extern void smp_alloc_memory(void); 34extern void smp_alloc_memory(void);
44extern volatile unsigned long smp_invalidate_needed; 35extern volatile unsigned long smp_invalidate_needed;
45extern int pic_mode;
46extern void lock_ipi_call_lock(void); 36extern void lock_ipi_call_lock(void);
47extern void unlock_ipi_call_lock(void); 37extern void unlock_ipi_call_lock(void);
48extern int smp_num_siblings; 38extern int smp_num_siblings;
@@ -74,20 +64,16 @@ static inline int hard_smp_processor_id(void)
74 return GET_APIC_ID(*(unsigned int *)(APIC_BASE+APIC_ID)); 64 return GET_APIC_ID(*(unsigned int *)(APIC_BASE+APIC_ID));
75} 65}
76 66
77extern int safe_smp_processor_id(void);
78extern int __cpu_disable(void); 67extern int __cpu_disable(void);
79extern void __cpu_die(unsigned int cpu); 68extern void __cpu_die(unsigned int cpu);
80extern void prefill_possible_map(void); 69extern void prefill_possible_map(void);
81extern unsigned num_processors; 70extern unsigned num_processors;
82extern unsigned disabled_cpus; 71extern unsigned disabled_cpus;
83 72
84#endif /* !ASSEMBLY */
85
86#define NO_PROC_ID 0xFF /* No processor magic marker */ 73#define NO_PROC_ID 0xFF /* No processor magic marker */
87 74
88#endif 75#endif
89 76
90#ifndef ASSEMBLY
91/* 77/*
92 * Some lowlevel functions might want to know about 78 * Some lowlevel functions might want to know about
93 * the real APIC ID <-> CPU # mapping. 79 * the real APIC ID <-> CPU # mapping.
@@ -109,11 +95,8 @@ static inline int cpu_present_to_apicid(int mps_cpu)
109 return BAD_APICID; 95 return BAD_APICID;
110} 96}
111 97
112#endif /* !ASSEMBLY */
113
114#ifndef CONFIG_SMP 98#ifndef CONFIG_SMP
115#define stack_smp_processor_id() 0 99#define stack_smp_processor_id() 0
116#define safe_smp_processor_id() 0
117#define cpu_logical_map(x) (x) 100#define cpu_logical_map(x) (x)
118#else 101#else
119#include <asm/thread_info.h> 102#include <asm/thread_info.h>
@@ -125,19 +108,23 @@ static inline int cpu_present_to_apicid(int mps_cpu)
125}) 108})
126#endif 109#endif
127 110
128#ifndef __ASSEMBLY__
129static __inline int logical_smp_processor_id(void) 111static __inline int logical_smp_processor_id(void)
130{ 112{
131 /* we don't want to mark this access volatile - bad code generation */ 113 /* we don't want to mark this access volatile - bad code generation */
132 return GET_APIC_LOGICAL_ID(*(unsigned long *)(APIC_BASE+APIC_LDR)); 114 return GET_APIC_LOGICAL_ID(*(unsigned long *)(APIC_BASE+APIC_LDR));
133} 115}
134#endif
135 116
136#ifdef CONFIG_SMP 117#ifdef CONFIG_SMP
137#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu] 118#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu]
138#else 119#else
139#define cpu_physical_id(cpu) boot_cpu_id 120#define cpu_physical_id(cpu) boot_cpu_id
140#endif 121static inline int smp_call_function_single(int cpuid, void (*func) (void *info),
141 122 void *info, int retry, int wait)
123{
124 /* Disable interrupts here? */
125 func(info);
126 return 0;
127}
128#endif /* !CONFIG_SMP */
142#endif 129#endif
143 130
diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h
index 248a79f0eaff..be7a9e629fb2 100644
--- a/include/asm-x86_64/spinlock.h
+++ b/include/asm-x86_64/spinlock.h
@@ -16,31 +16,23 @@
16 * (the type definitions are in asm/spinlock_types.h) 16 * (the type definitions are in asm/spinlock_types.h)
17 */ 17 */
18 18
19#define __raw_spin_is_locked(x) \ 19static inline int __raw_spin_is_locked(raw_spinlock_t *lock)
20 (*(volatile signed int *)(&(x)->slock) <= 0) 20{
21 21 return *(volatile signed int *)(&(lock)->slock) <= 0;
22#define __raw_spin_lock_string \ 22}
23 "\n1:\t" \
24 LOCK_PREFIX " ; decl %0\n\t" \
25 "js 2f\n" \
26 LOCK_SECTION_START("") \
27 "2:\t" \
28 "rep;nop\n\t" \
29 "cmpl $0,%0\n\t" \
30 "jle 2b\n\t" \
31 "jmp 1b\n" \
32 LOCK_SECTION_END
33
34#define __raw_spin_lock_string_up \
35 "\n\tdecl %0"
36
37#define __raw_spin_unlock_string \
38 "movl $1,%0" \
39 :"=m" (lock->slock) : : "memory"
40 23
41static inline void __raw_spin_lock(raw_spinlock_t *lock) 24static inline void __raw_spin_lock(raw_spinlock_t *lock)
42{ 25{
43 asm volatile(__raw_spin_lock_string : "=m" (lock->slock) : : "memory"); 26 asm volatile(
27 "\n1:\t"
28 LOCK_PREFIX " ; decl %0\n\t"
29 "jns 2f\n"
30 "3:\n"
31 "rep;nop\n\t"
32 "cmpl $0,%0\n\t"
33 "jle 3b\n\t"
34 "jmp 1b\n"
35 "2:\t" : "=m" (lock->slock) : : "memory");
44} 36}
45 37
46#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) 38#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
@@ -49,7 +41,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock)
49{ 41{
50 int oldval; 42 int oldval;
51 43
52 __asm__ __volatile__( 44 asm volatile(
53 "xchgl %0,%1" 45 "xchgl %0,%1"
54 :"=q" (oldval), "=m" (lock->slock) 46 :"=q" (oldval), "=m" (lock->slock)
55 :"0" (0) : "memory"); 47 :"0" (0) : "memory");
@@ -59,13 +51,14 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock)
59 51
60static inline void __raw_spin_unlock(raw_spinlock_t *lock) 52static inline void __raw_spin_unlock(raw_spinlock_t *lock)
61{ 53{
62 __asm__ __volatile__( 54 asm volatile("movl $1,%0" :"=m" (lock->slock) :: "memory");
63 __raw_spin_unlock_string
64 );
65} 55}
66 56
67#define __raw_spin_unlock_wait(lock) \ 57static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock)
68 do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0) 58{
59 while (__raw_spin_is_locked(lock))
60 cpu_relax();
61}
69 62
70/* 63/*
71 * Read-write spinlocks, allowing multiple readers 64 * Read-write spinlocks, allowing multiple readers
@@ -79,26 +72,34 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
79 * 72 *
80 * On x86, we implement read-write locks as a 32-bit counter 73 * On x86, we implement read-write locks as a 32-bit counter
81 * with the high bit (sign) being the "contended" bit. 74 * with the high bit (sign) being the "contended" bit.
82 *
83 * The inline assembly is non-obvious. Think about it.
84 *
85 * Changed to use the same technique as rw semaphores. See
86 * semaphore.h for details. -ben
87 *
88 * the helpers are in arch/i386/kernel/semaphore.c
89 */ 75 */
90 76
91#define __raw_read_can_lock(x) ((int)(x)->lock > 0) 77static inline int __raw_read_can_lock(raw_rwlock_t *lock)
92#define __raw_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS) 78{
79 return (int)(lock)->lock > 0;
80}
81
82static inline int __raw_write_can_lock(raw_rwlock_t *lock)
83{
84 return (lock)->lock == RW_LOCK_BIAS;
85}
93 86
94static inline void __raw_read_lock(raw_rwlock_t *rw) 87static inline void __raw_read_lock(raw_rwlock_t *rw)
95{ 88{
96 __build_read_lock(rw, "__read_lock_failed"); 89 asm volatile(LOCK_PREFIX "subl $1,(%0)\n\t"
90 "jns 1f\n"
91 "call __read_lock_failed\n"
92 "1:\n"
93 ::"D" (rw), "i" (RW_LOCK_BIAS) : "memory");
97} 94}
98 95
99static inline void __raw_write_lock(raw_rwlock_t *rw) 96static inline void __raw_write_lock(raw_rwlock_t *rw)
100{ 97{
101 __build_write_lock(rw, "__write_lock_failed"); 98 asm volatile(LOCK_PREFIX "subl %1,(%0)\n\t"
99 "jz 1f\n"
100 "\tcall __write_lock_failed\n\t"
101 "1:\n"
102 ::"D" (rw), "i" (RW_LOCK_BIAS) : "memory");
102} 103}
103 104
104static inline int __raw_read_trylock(raw_rwlock_t *lock) 105static inline int __raw_read_trylock(raw_rwlock_t *lock)
diff --git a/include/asm-x86_64/stacktrace.h b/include/asm-x86_64/stacktrace.h
new file mode 100644
index 000000000000..5eb9799bef76
--- /dev/null
+++ b/include/asm-x86_64/stacktrace.h
@@ -0,0 +1,18 @@
1#ifndef _ASM_STACKTRACE_H
2#define _ASM_STACKTRACE_H 1
3
4/* Generic stack tracer with callbacks */
5
6struct stacktrace_ops {
7 void (*warning)(void *data, char *msg);
8 /* msg must contain %s for the symbol */
9 void (*warning_symbol)(void *data, char *msg, unsigned long symbol);
10 void (*address)(void *data, unsigned long address);
11 /* On negative return stop dumping */
12 int (*stack)(void *data, char *name);
13};
14
15void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long *stack,
16 struct stacktrace_ops *ops, void *data);
17
18#endif
diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h
index 6bf170bceae1..bd376bc8c4ab 100644
--- a/include/asm-x86_64/system.h
+++ b/include/asm-x86_64/system.h
@@ -14,12 +14,13 @@
14#define __RESTORE(reg,offset) "movq (14-" #offset ")*8(%%rsp),%%" #reg "\n\t" 14#define __RESTORE(reg,offset) "movq (14-" #offset ")*8(%%rsp),%%" #reg "\n\t"
15 15
16/* frame pointer must be last for get_wchan */ 16/* frame pointer must be last for get_wchan */
17#define SAVE_CONTEXT "pushq %%rbp ; movq %%rsi,%%rbp\n\t" 17#define SAVE_CONTEXT "pushf ; pushq %%rbp ; movq %%rsi,%%rbp\n\t"
18#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp\n\t" 18#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp ; popf\t"
19 19
20#define __EXTRA_CLOBBER \ 20#define __EXTRA_CLOBBER \
21 ,"rcx","rbx","rdx","r8","r9","r10","r11","r12","r13","r14","r15" 21 ,"rcx","rbx","rdx","r8","r9","r10","r11","r12","r13","r14","r15"
22 22
23/* Save restore flags to clear handle leaking NT */
23#define switch_to(prev,next,last) \ 24#define switch_to(prev,next,last) \
24 asm volatile(SAVE_CONTEXT \ 25 asm volatile(SAVE_CONTEXT \
25 "movq %%rsp,%P[threadrsp](%[prev])\n\t" /* save RSP */ \ 26 "movq %%rsp,%P[threadrsp](%[prev])\n\t" /* save RSP */ \
diff --git a/include/asm-x86_64/tce.h b/include/asm-x86_64/tce.h
index 53e9a68b3336..dbb047febc5e 100644
--- a/include/asm-x86_64/tce.h
+++ b/include/asm-x86_64/tce.h
@@ -24,7 +24,6 @@
24#ifndef _ASM_X86_64_TCE_H 24#ifndef _ASM_X86_64_TCE_H
25#define _ASM_X86_64_TCE_H 25#define _ASM_X86_64_TCE_H
26 26
27extern void* tce_table_kva[];
28extern unsigned int specified_table_size; 27extern unsigned int specified_table_size;
29struct iommu_table; 28struct iommu_table;
30 29
diff --git a/include/asm-x86_64/therm_throt.h b/include/asm-x86_64/therm_throt.h
new file mode 100644
index 000000000000..5aac059007ba
--- /dev/null
+++ b/include/asm-x86_64/therm_throt.h
@@ -0,0 +1 @@
#include <asm-i386/therm_throt.h>
diff --git a/include/asm-x86_64/thread_info.h b/include/asm-x86_64/thread_info.h
index 2029b00351f3..787a08114b48 100644
--- a/include/asm-x86_64/thread_info.h
+++ b/include/asm-x86_64/thread_info.h
@@ -114,11 +114,14 @@ static inline struct thread_info *stack_thread_info(void)
114#define TIF_IRET 5 /* force IRET */ 114#define TIF_IRET 5 /* force IRET */
115#define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ 115#define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */
116#define TIF_SECCOMP 8 /* secure computing */ 116#define TIF_SECCOMP 8 /* secure computing */
117#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal */
117/* 16 free */ 118/* 16 free */
118#define TIF_IA32 17 /* 32bit process */ 119#define TIF_IA32 17 /* 32bit process */
119#define TIF_FORK 18 /* ret_from_fork */ 120#define TIF_FORK 18 /* ret_from_fork */
120#define TIF_ABI_PENDING 19 121#define TIF_ABI_PENDING 19
121#define TIF_MEMDIE 20 122#define TIF_MEMDIE 20
123#define TIF_DEBUG 21 /* uses debug registers */
124#define TIF_IO_BITMAP 22 /* uses I/O bitmap */
122 125
123#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) 126#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
124#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) 127#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
@@ -128,9 +131,12 @@ static inline struct thread_info *stack_thread_info(void)
128#define _TIF_IRET (1<<TIF_IRET) 131#define _TIF_IRET (1<<TIF_IRET)
129#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) 132#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
130#define _TIF_SECCOMP (1<<TIF_SECCOMP) 133#define _TIF_SECCOMP (1<<TIF_SECCOMP)
134#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
131#define _TIF_IA32 (1<<TIF_IA32) 135#define _TIF_IA32 (1<<TIF_IA32)
132#define _TIF_FORK (1<<TIF_FORK) 136#define _TIF_FORK (1<<TIF_FORK)
133#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) 137#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
138#define _TIF_DEBUG (1<<TIF_DEBUG)
139#define _TIF_IO_BITMAP (1<<TIF_IO_BITMAP)
134 140
135/* work to do on interrupt/exception return */ 141/* work to do on interrupt/exception return */
136#define _TIF_WORK_MASK \ 142#define _TIF_WORK_MASK \
@@ -138,6 +144,9 @@ static inline struct thread_info *stack_thread_info(void)
138/* work to do on any return to user space */ 144/* work to do on any return to user space */
139#define _TIF_ALLWORK_MASK (0x0000FFFF & ~_TIF_SECCOMP) 145#define _TIF_ALLWORK_MASK (0x0000FFFF & ~_TIF_SECCOMP)
140 146
147/* flags to check in __switch_to() */
148#define _TIF_WORK_CTXSW (_TIF_DEBUG|_TIF_IO_BITMAP)
149
141#define PREEMPT_ACTIVE 0x10000000 150#define PREEMPT_ACTIVE 0x10000000
142 151
143/* 152/*
diff --git a/include/asm-x86_64/tlbflush.h b/include/asm-x86_64/tlbflush.h
index d16d5b60f419..983bd296c81a 100644
--- a/include/asm-x86_64/tlbflush.h
+++ b/include/asm-x86_64/tlbflush.h
@@ -4,44 +4,44 @@
4#include <linux/mm.h> 4#include <linux/mm.h>
5#include <asm/processor.h> 5#include <asm/processor.h>
6 6
7#define __flush_tlb() \ 7static inline unsigned long get_cr3(void)
8 do { \ 8{
9 unsigned long tmpreg; \ 9 unsigned long cr3;
10 \ 10 asm volatile("mov %%cr3,%0" : "=r" (cr3));
11 __asm__ __volatile__( \ 11 return cr3;
12 "movq %%cr3, %0; # flush TLB \n" \ 12}
13 "movq %0, %%cr3; \n" \
14 : "=r" (tmpreg) \
15 :: "memory"); \
16 } while (0)
17 13
18/* 14static inline void set_cr3(unsigned long cr3)
19 * Global pages have to be flushed a bit differently. Not a real 15{
20 * performance problem because this does not happen often. 16 asm volatile("mov %0,%%cr3" :: "r" (cr3) : "memory");
21 */ 17}
22#define __flush_tlb_global() \ 18
23 do { \ 19static inline void __flush_tlb(void)
24 unsigned long tmpreg, cr4, cr4_orig; \ 20{
25 \ 21 set_cr3(get_cr3());
26 __asm__ __volatile__( \ 22}
27 "movq %%cr4, %2; # turn off PGE \n" \ 23
28 "movq %2, %1; \n" \ 24static inline unsigned long get_cr4(void)
29 "andq %3, %1; \n" \ 25{
30 "movq %1, %%cr4; \n" \ 26 unsigned long cr4;
31 "movq %%cr3, %0; # flush TLB \n" \ 27 asm volatile("mov %%cr4,%0" : "=r" (cr4));
32 "movq %0, %%cr3; \n" \ 28 return cr4;
33 "movq %2, %%cr4; # turn PGE back on \n" \ 29}
34 : "=&r" (tmpreg), "=&r" (cr4), "=&r" (cr4_orig) \ 30
35 : "i" (~X86_CR4_PGE) \ 31static inline void set_cr4(unsigned long cr4)
36 : "memory"); \ 32{
37 } while (0) 33 asm volatile("mov %0,%%cr4" :: "r" (cr4) : "memory");
38 34}
39extern unsigned long pgkern_mask; 35
40 36static inline void __flush_tlb_all(void)
41#define __flush_tlb_all() __flush_tlb_global() 37{
38 unsigned long cr4 = get_cr4();
39 set_cr4(cr4 & ~X86_CR4_PGE); /* clear PGE */
40 set_cr4(cr4); /* write old PGE again and flush TLBs */
41}
42 42
43#define __flush_tlb_one(addr) \ 43#define __flush_tlb_one(addr) \
44 __asm__ __volatile__("invlpg %0": :"m" (*(char *) addr)) 44 __asm__ __volatile__("invlpg (%0)" :: "r" (addr) : "memory")
45 45
46 46
47/* 47/*
diff --git a/include/asm-x86_64/uaccess.h b/include/asm-x86_64/uaccess.h
index 1e1fa003daa3..e856570c0689 100644
--- a/include/asm-x86_64/uaccess.h
+++ b/include/asm-x86_64/uaccess.h
@@ -84,7 +84,7 @@ struct exception_table_entry
84 */ 84 */
85 85
86#define __get_user_x(size,ret,x,ptr) \ 86#define __get_user_x(size,ret,x,ptr) \
87 __asm__ __volatile__("call __get_user_" #size \ 87 asm volatile("call __get_user_" #size \
88 :"=a" (ret),"=d" (x) \ 88 :"=a" (ret),"=d" (x) \
89 :"c" (ptr) \ 89 :"c" (ptr) \
90 :"r8") 90 :"r8")
@@ -101,7 +101,7 @@ struct exception_table_entry
101 case 8: __get_user_x(8,__ret_gu,__val_gu,ptr); break; \ 101 case 8: __get_user_x(8,__ret_gu,__val_gu,ptr); break; \
102 default: __get_user_bad(); break; \ 102 default: __get_user_bad(); break; \
103 } \ 103 } \
104 (x) = (__typeof__(*(ptr)))__val_gu; \ 104 (x) = (typeof(*(ptr)))__val_gu; \
105 __ret_gu; \ 105 __ret_gu; \
106}) 106})
107 107
@@ -112,7 +112,7 @@ extern void __put_user_8(void);
112extern void __put_user_bad(void); 112extern void __put_user_bad(void);
113 113
114#define __put_user_x(size,ret,x,ptr) \ 114#define __put_user_x(size,ret,x,ptr) \
115 __asm__ __volatile__("call __put_user_" #size \ 115 asm volatile("call __put_user_" #size \
116 :"=a" (ret) \ 116 :"=a" (ret) \
117 :"c" (ptr),"d" (x) \ 117 :"c" (ptr),"d" (x) \
118 :"r8") 118 :"r8")
@@ -139,7 +139,7 @@ extern void __put_user_bad(void);
139#define __put_user_check(x,ptr,size) \ 139#define __put_user_check(x,ptr,size) \
140({ \ 140({ \
141 int __pu_err; \ 141 int __pu_err; \
142 __typeof__(*(ptr)) __user *__pu_addr = (ptr); \ 142 typeof(*(ptr)) __user *__pu_addr = (ptr); \
143 switch (size) { \ 143 switch (size) { \
144 case 1: __put_user_x(1,__pu_err,x,__pu_addr); break; \ 144 case 1: __put_user_x(1,__pu_err,x,__pu_addr); break; \
145 case 2: __put_user_x(2,__pu_err,x,__pu_addr); break; \ 145 case 2: __put_user_x(2,__pu_err,x,__pu_addr); break; \
@@ -173,7 +173,7 @@ struct __large_struct { unsigned long buf[100]; };
173 * aliasing issues. 173 * aliasing issues.
174 */ 174 */
175#define __put_user_asm(x, addr, err, itype, rtype, ltype, errno) \ 175#define __put_user_asm(x, addr, err, itype, rtype, ltype, errno) \
176 __asm__ __volatile__( \ 176 asm volatile( \
177 "1: mov"itype" %"rtype"1,%2\n" \ 177 "1: mov"itype" %"rtype"1,%2\n" \
178 "2:\n" \ 178 "2:\n" \
179 ".section .fixup,\"ax\"\n" \ 179 ".section .fixup,\"ax\"\n" \
@@ -193,7 +193,7 @@ struct __large_struct { unsigned long buf[100]; };
193 int __gu_err; \ 193 int __gu_err; \
194 unsigned long __gu_val; \ 194 unsigned long __gu_val; \
195 __get_user_size(__gu_val,(ptr),(size),__gu_err); \ 195 __get_user_size(__gu_val,(ptr),(size),__gu_err); \
196 (x) = (__typeof__(*(ptr)))__gu_val; \ 196 (x) = (typeof(*(ptr)))__gu_val; \
197 __gu_err; \ 197 __gu_err; \
198}) 198})
199 199
@@ -217,7 +217,7 @@ do { \
217} while (0) 217} while (0)
218 218
219#define __get_user_asm(x, addr, err, itype, rtype, ltype, errno) \ 219#define __get_user_asm(x, addr, err, itype, rtype, ltype, errno) \
220 __asm__ __volatile__( \ 220 asm volatile( \
221 "1: mov"itype" %2,%"rtype"1\n" \ 221 "1: mov"itype" %2,%"rtype"1\n" \
222 "2:\n" \ 222 "2:\n" \
223 ".section .fixup,\"ax\"\n" \ 223 ".section .fixup,\"ax\"\n" \
@@ -237,15 +237,20 @@ do { \
237 */ 237 */
238 238
239/* Handles exceptions in both to and from, but doesn't do access_ok */ 239/* Handles exceptions in both to and from, but doesn't do access_ok */
240extern unsigned long copy_user_generic(void *to, const void *from, unsigned len); 240__must_check unsigned long
241 241copy_user_generic(void *to, const void *from, unsigned len);
242extern unsigned long copy_to_user(void __user *to, const void *from, unsigned len); 242
243extern unsigned long copy_from_user(void *to, const void __user *from, unsigned len); 243__must_check unsigned long
244extern unsigned long copy_in_user(void __user *to, const void __user *from, unsigned len); 244copy_to_user(void __user *to, const void *from, unsigned len);
245 245__must_check unsigned long
246static __always_inline int __copy_from_user(void *dst, const void __user *src, unsigned size) 246copy_from_user(void *to, const void __user *from, unsigned len);
247__must_check unsigned long
248copy_in_user(void __user *to, const void __user *from, unsigned len);
249
250static __always_inline __must_check
251int __copy_from_user(void *dst, const void __user *src, unsigned size)
247{ 252{
248 int ret = 0; 253 int ret = 0;
249 if (!__builtin_constant_p(size)) 254 if (!__builtin_constant_p(size))
250 return copy_user_generic(dst,(__force void *)src,size); 255 return copy_user_generic(dst,(__force void *)src,size);
251 switch (size) { 256 switch (size) {
@@ -272,9 +277,10 @@ static __always_inline int __copy_from_user(void *dst, const void __user *src, u
272 } 277 }
273} 278}
274 279
275static __always_inline int __copy_to_user(void __user *dst, const void *src, unsigned size) 280static __always_inline __must_check
281int __copy_to_user(void __user *dst, const void *src, unsigned size)
276{ 282{
277 int ret = 0; 283 int ret = 0;
278 if (!__builtin_constant_p(size)) 284 if (!__builtin_constant_p(size))
279 return copy_user_generic((__force void *)dst,src,size); 285 return copy_user_generic((__force void *)dst,src,size);
280 switch (size) { 286 switch (size) {
@@ -303,10 +309,10 @@ static __always_inline int __copy_to_user(void __user *dst, const void *src, uns
303 } 309 }
304} 310}
305 311
306 312static __always_inline __must_check
307static __always_inline int __copy_in_user(void __user *dst, const void __user *src, unsigned size) 313int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
308{ 314{
309 int ret = 0; 315 int ret = 0;
310 if (!__builtin_constant_p(size)) 316 if (!__builtin_constant_p(size))
311 return copy_user_generic((__force void *)dst,(__force void *)src,size); 317 return copy_user_generic((__force void *)dst,(__force void *)src,size);
312 switch (size) { 318 switch (size) {
@@ -344,15 +350,17 @@ static __always_inline int __copy_in_user(void __user *dst, const void __user *s
344 } 350 }
345} 351}
346 352
347long strncpy_from_user(char *dst, const char __user *src, long count); 353__must_check long
348long __strncpy_from_user(char *dst, const char __user *src, long count); 354strncpy_from_user(char *dst, const char __user *src, long count);
349long strnlen_user(const char __user *str, long n); 355__must_check long
350long __strnlen_user(const char __user *str, long n); 356__strncpy_from_user(char *dst, const char __user *src, long count);
351long strlen_user(const char __user *str); 357__must_check long strnlen_user(const char __user *str, long n);
352unsigned long clear_user(void __user *mem, unsigned long len); 358__must_check long __strnlen_user(const char __user *str, long n);
353unsigned long __clear_user(void __user *mem, unsigned long len); 359__must_check long strlen_user(const char __user *str);
354 360__must_check unsigned long clear_user(void __user *mem, unsigned long len);
355#define __copy_to_user_inatomic __copy_to_user 361__must_check unsigned long __clear_user(void __user *mem, unsigned long len);
356#define __copy_from_user_inatomic __copy_from_user 362
363__must_check long __copy_from_user_inatomic(void *dst, const void __user *src, unsigned size);
364#define __copy_to_user_inatomic copy_user_generic
357 365
358#endif /* __X86_64_UACCESS_H */ 366#endif /* __X86_64_UACCESS_H */
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index 80fd48e84bbb..eeb98c168e98 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -600,9 +600,9 @@ __SYSCALL(__NR_fchmodat, sys_fchmodat)
600#define __NR_faccessat 269 600#define __NR_faccessat 269
601__SYSCALL(__NR_faccessat, sys_faccessat) 601__SYSCALL(__NR_faccessat, sys_faccessat)
602#define __NR_pselect6 270 602#define __NR_pselect6 270
603__SYSCALL(__NR_pselect6, sys_ni_syscall) /* for now */ 603__SYSCALL(__NR_pselect6, sys_pselect6)
604#define __NR_ppoll 271 604#define __NR_ppoll 271
605__SYSCALL(__NR_ppoll, sys_ni_syscall) /* for now */ 605__SYSCALL(__NR_ppoll, sys_ppoll)
606#define __NR_unshare 272 606#define __NR_unshare 272
607__SYSCALL(__NR_unshare, sys_unshare) 607__SYSCALL(__NR_unshare, sys_unshare)
608#define __NR_set_robust_list 273 608#define __NR_set_robust_list 273
@@ -658,6 +658,7 @@ do { \
658#define __ARCH_WANT_SYS_SIGPENDING 658#define __ARCH_WANT_SYS_SIGPENDING
659#define __ARCH_WANT_SYS_SIGPROCMASK 659#define __ARCH_WANT_SYS_SIGPROCMASK
660#define __ARCH_WANT_SYS_RT_SIGACTION 660#define __ARCH_WANT_SYS_RT_SIGACTION
661#define __ARCH_WANT_SYS_RT_SIGSUSPEND
661#define __ARCH_WANT_SYS_TIME 662#define __ARCH_WANT_SYS_TIME
662#define __ARCH_WANT_COMPAT_SYS_TIME 663#define __ARCH_WANT_COMPAT_SYS_TIME
663 664
diff --git a/include/asm-x86_64/unwind.h b/include/asm-x86_64/unwind.h
index 1f6e9bfb569e..2e7ff10fd775 100644
--- a/include/asm-x86_64/unwind.h
+++ b/include/asm-x86_64/unwind.h
@@ -18,6 +18,7 @@ struct unwind_frame_info
18{ 18{
19 struct pt_regs regs; 19 struct pt_regs regs;
20 struct task_struct *task; 20 struct task_struct *task;
21 unsigned call_frame:1;
21}; 22};
22 23
23#define UNW_PC(frame) (frame)->regs.rip 24#define UNW_PC(frame) (frame)->regs.rip
@@ -57,6 +58,10 @@ struct unwind_frame_info
57 PTREGS_INFO(r15), \ 58 PTREGS_INFO(r15), \
58 PTREGS_INFO(rip) 59 PTREGS_INFO(rip)
59 60
61#define UNW_DEFAULT_RA(raItem, dataAlign) \
62 ((raItem).where == Memory && \
63 !((raItem).value * (dataAlign) + 8))
64
60static inline void arch_unw_init_frame_info(struct unwind_frame_info *info, 65static inline void arch_unw_init_frame_info(struct unwind_frame_info *info,
61 /*const*/ struct pt_regs *regs) 66 /*const*/ struct pt_regs *regs)
62{ 67{
@@ -94,8 +99,8 @@ static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
94 99
95#else 100#else
96 101
97#define UNW_PC(frame) ((void)(frame), 0) 102#define UNW_PC(frame) ((void)(frame), 0UL)
98#define UNW_SP(frame) ((void)(frame), 0) 103#define UNW_SP(frame) ((void)(frame), 0UL)
99 104
100static inline int arch_unw_user_mode(const void *info) 105static inline int arch_unw_user_mode(const void *info)
101{ 106{
diff --git a/include/asm-x86_64/vsyscall.h b/include/asm-x86_64/vsyscall.h
index 146b24402a5f..2281e9399b96 100644
--- a/include/asm-x86_64/vsyscall.h
+++ b/include/asm-x86_64/vsyscall.h
@@ -4,6 +4,7 @@
4enum vsyscall_num { 4enum vsyscall_num {
5 __NR_vgettimeofday, 5 __NR_vgettimeofday,
6 __NR_vtime, 6 __NR_vtime,
7 __NR_vgetcpu,
7}; 8};
8 9
9#define VSYSCALL_START (-10UL << 20) 10#define VSYSCALL_START (-10UL << 20)
@@ -15,6 +16,7 @@ enum vsyscall_num {
15#include <linux/seqlock.h> 16#include <linux/seqlock.h>
16 17
17#define __section_vxtime __attribute__ ((unused, __section__ (".vxtime"), aligned(16))) 18#define __section_vxtime __attribute__ ((unused, __section__ (".vxtime"), aligned(16)))
19#define __section_vgetcpu_mode __attribute__ ((unused, __section__ (".vgetcpu_mode"), aligned(16)))
18#define __section_wall_jiffies __attribute__ ((unused, __section__ (".wall_jiffies"), aligned(16))) 20#define __section_wall_jiffies __attribute__ ((unused, __section__ (".wall_jiffies"), aligned(16)))
19#define __section_jiffies __attribute__ ((unused, __section__ (".jiffies"), aligned(16))) 21#define __section_jiffies __attribute__ ((unused, __section__ (".jiffies"), aligned(16)))
20#define __section_sys_tz __attribute__ ((unused, __section__ (".sys_tz"), aligned(16))) 22#define __section_sys_tz __attribute__ ((unused, __section__ (".sys_tz"), aligned(16)))
@@ -26,6 +28,9 @@ enum vsyscall_num {
26#define VXTIME_HPET 2 28#define VXTIME_HPET 2
27#define VXTIME_PMTMR 3 29#define VXTIME_PMTMR 3
28 30
31#define VGETCPU_RDTSCP 1
32#define VGETCPU_LSL 2
33
29struct vxtime_data { 34struct vxtime_data {
30 long hpet_address; /* HPET base address */ 35 long hpet_address; /* HPET base address */
31 int last; 36 int last;
@@ -40,6 +45,7 @@ struct vxtime_data {
40 45
41/* vsyscall space (readonly) */ 46/* vsyscall space (readonly) */
42extern struct vxtime_data __vxtime; 47extern struct vxtime_data __vxtime;
48extern int __vgetcpu_mode;
43extern struct timespec __xtime; 49extern struct timespec __xtime;
44extern volatile unsigned long __jiffies; 50extern volatile unsigned long __jiffies;
45extern unsigned long __wall_jiffies; 51extern unsigned long __wall_jiffies;
@@ -48,6 +54,7 @@ extern seqlock_t __xtime_lock;
48 54
49/* kernel space (writeable) */ 55/* kernel space (writeable) */
50extern struct vxtime_data vxtime; 56extern struct vxtime_data vxtime;
57extern int vgetcpu_mode;
51extern unsigned long wall_jiffies; 58extern unsigned long wall_jiffies;
52extern struct timezone sys_tz; 59extern struct timezone sys_tz;
53extern int sysctl_vsyscall; 60extern int sysctl_vsyscall;
@@ -55,6 +62,8 @@ extern seqlock_t xtime_lock;
55 62
56extern int sysctl_vsyscall; 63extern int sysctl_vsyscall;
57 64
65extern void vsyscall_set_cpu(int cpu);
66
58#define ARCH_HAVE_XTIME_LOCK 1 67#define ARCH_HAVE_XTIME_LOCK 1
59 68
60#endif /* __KERNEL__ */ 69#endif /* __KERNEL__ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-11 03:14:45 -0500