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-rw-r--r--arch/x86/include/asm/bitops.h10
-rw-r--r--arch/x86/include/asm/bug.h2
-rw-r--r--arch/x86/include/asm/byteorder.h74
-rw-r--r--arch/x86/include/asm/cpufeature.h5
-rw-r--r--arch/x86/include/asm/dma-mapping.h4
-rw-r--r--arch/x86/include/asm/ds.h248
-rw-r--r--arch/x86/include/asm/dwarf2.h97
-rw-r--r--arch/x86/include/asm/elf.h2
-rw-r--r--arch/x86/include/asm/ftrace.h29
-rw-r--r--arch/x86/include/asm/gart.h33
-rw-r--r--arch/x86/include/asm/hardirq_32.h2
-rw-r--r--arch/x86/include/asm/hardirq_64.h2
-rw-r--r--arch/x86/include/asm/hw_irq.h4
-rw-r--r--arch/x86/include/asm/hypervisor.h26
-rw-r--r--arch/x86/include/asm/ia32.h18
-rw-r--r--arch/x86/include/asm/idle.h5
-rw-r--r--arch/x86/include/asm/io.h37
-rw-r--r--arch/x86/include/asm/io_64.h2
-rw-r--r--arch/x86/include/asm/io_apic.h10
-rw-r--r--arch/x86/include/asm/iommu.h35
-rw-r--r--arch/x86/include/asm/irq.h4
-rw-r--r--arch/x86/include/asm/irq_regs_32.h2
-rw-r--r--arch/x86/include/asm/linkage.h60
-rw-r--r--arch/x86/include/asm/mmu_context_32.h13
-rw-r--r--arch/x86/include/asm/msr-index.h2
-rw-r--r--arch/x86/include/asm/msr.h15
-rw-r--r--arch/x86/include/asm/pci.h14
-rw-r--r--arch/x86/include/asm/pci_64.h1
-rw-r--r--arch/x86/include/asm/pgtable-2level.h50
-rw-r--r--arch/x86/include/asm/pgtable-3level.h1
-rw-r--r--arch/x86/include/asm/pgtable.h28
-rw-r--r--arch/x86/include/asm/pgtable_32.h9
-rw-r--r--arch/x86/include/asm/pgtable_64.h28
-rw-r--r--arch/x86/include/asm/prctl.h3
-rw-r--r--arch/x86/include/asm/processor.h17
-rw-r--r--arch/x86/include/asm/ptrace.h43
-rw-r--r--arch/x86/include/asm/setup.h4
-rw-r--r--arch/x86/include/asm/sigframe.h70
-rw-r--r--arch/x86/include/asm/signal.h6
-rw-r--r--arch/x86/include/asm/sparsemem.h2
-rw-r--r--arch/x86/include/asm/syscalls.h16
-rw-r--r--arch/x86/include/asm/system.h4
-rw-r--r--arch/x86/include/asm/thread_info.h7
-rw-r--r--arch/x86/include/asm/topology.h36
-rw-r--r--arch/x86/include/asm/trampoline.h7
-rw-r--r--arch/x86/include/asm/traps.h11
-rw-r--r--arch/x86/include/asm/tsc.h8
-rw-r--r--arch/x86/include/asm/uaccess.h4
-rw-r--r--arch/x86/include/asm/uv/bios.h34
-rw-r--r--arch/x86/include/asm/uv/uv_hub.h103
-rw-r--r--arch/x86/include/asm/vmware.h27
-rw-r--r--arch/x86/include/asm/xen/hypercall.h6
-rw-r--r--arch/x86/include/asm/xen/hypervisor.h39
-rw-r--r--arch/x86/include/asm/xen/page.h5
54 files changed, 877 insertions, 447 deletions
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index 360010322711..9fa9dcdf344b 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -168,7 +168,15 @@ static inline void __change_bit(int nr, volatile unsigned long *addr)
168 */ 168 */
169static inline void change_bit(int nr, volatile unsigned long *addr) 169static inline void change_bit(int nr, volatile unsigned long *addr)
170{ 170{
171 asm volatile(LOCK_PREFIX "btc %1,%0" : ADDR : "Ir" (nr)); 171 if (IS_IMMEDIATE(nr)) {
172 asm volatile(LOCK_PREFIX "xorb %1,%0"
173 : CONST_MASK_ADDR(nr, addr)
174 : "iq" ((u8)CONST_MASK(nr)));
175 } else {
176 asm volatile(LOCK_PREFIX "btc %1,%0"
177 : BITOP_ADDR(addr)
178 : "Ir" (nr));
179 }
172} 180}
173 181
174/** 182/**
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h
index 3def2065fcea..d9cf1cd156d2 100644
--- a/arch/x86/include/asm/bug.h
+++ b/arch/x86/include/asm/bug.h
@@ -9,7 +9,7 @@
9#ifdef CONFIG_X86_32 9#ifdef CONFIG_X86_32
10# define __BUG_C0 "2:\t.long 1b, %c0\n" 10# define __BUG_C0 "2:\t.long 1b, %c0\n"
11#else 11#else
12# define __BUG_C0 "2:\t.quad 1b, %c0\n" 12# define __BUG_C0 "2:\t.long 1b - 2b, %c0 - 2b\n"
13#endif 13#endif
14 14
15#define BUG() \ 15#define BUG() \
diff --git a/arch/x86/include/asm/byteorder.h b/arch/x86/include/asm/byteorder.h
index e02ae2d89acf..f110ad417df3 100644
--- a/arch/x86/include/asm/byteorder.h
+++ b/arch/x86/include/asm/byteorder.h
@@ -4,26 +4,33 @@
4#include <asm/types.h> 4#include <asm/types.h>
5#include <linux/compiler.h> 5#include <linux/compiler.h>
6 6
7#ifdef __GNUC__ 7#define __LITTLE_ENDIAN
8 8
9#ifdef __i386__ 9static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
10
11static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
12{ 10{
13#ifdef CONFIG_X86_BSWAP 11#ifdef __i386__
14 asm("bswap %0" : "=r" (x) : "0" (x)); 12# ifdef CONFIG_X86_BSWAP
15#else 13 asm("bswap %0" : "=r" (val) : "0" (val));
14# else
16 asm("xchgb %b0,%h0\n\t" /* swap lower bytes */ 15 asm("xchgb %b0,%h0\n\t" /* swap lower bytes */
17 "rorl $16,%0\n\t" /* swap words */ 16 "rorl $16,%0\n\t" /* swap words */
18 "xchgb %b0,%h0" /* swap higher bytes */ 17 "xchgb %b0,%h0" /* swap higher bytes */
19 : "=q" (x) 18 : "=q" (val)
20 : "0" (x)); 19 : "0" (val));
20# endif
21
22#else /* __i386__ */
23 asm("bswapl %0"
24 : "=r" (val)
25 : "0" (val));
21#endif 26#endif
22 return x; 27 return val;
23} 28}
29#define __arch_swab32 __arch_swab32
24 30
25static inline __attribute_const__ __u64 ___arch__swab64(__u64 val) 31static inline __attribute_const__ __u64 __arch_swab64(__u64 val)
26{ 32{
33#ifdef __i386__
27 union { 34 union {
28 struct { 35 struct {
29 __u32 a; 36 __u32 a;
@@ -32,50 +39,27 @@ static inline __attribute_const__ __u64 ___arch__swab64(__u64 val)
32 __u64 u; 39 __u64 u;
33 } v; 40 } v;
34 v.u = val; 41 v.u = val;
35#ifdef CONFIG_X86_BSWAP 42# ifdef CONFIG_X86_BSWAP
36 asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1" 43 asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
37 : "=r" (v.s.a), "=r" (v.s.b) 44 : "=r" (v.s.a), "=r" (v.s.b)
38 : "0" (v.s.a), "1" (v.s.b)); 45 : "0" (v.s.a), "1" (v.s.b));
39#else 46# else
40 v.s.a = ___arch__swab32(v.s.a); 47 v.s.a = __arch_swab32(v.s.a);
41 v.s.b = ___arch__swab32(v.s.b); 48 v.s.b = __arch_swab32(v.s.b);
42 asm("xchgl %0,%1" 49 asm("xchgl %0,%1"
43 : "=r" (v.s.a), "=r" (v.s.b) 50 : "=r" (v.s.a), "=r" (v.s.b)
44 : "0" (v.s.a), "1" (v.s.b)); 51 : "0" (v.s.a), "1" (v.s.b));
45#endif 52# endif
46 return v.u; 53 return v.u;
47}
48
49#else /* __i386__ */ 54#else /* __i386__ */
50
51static inline __attribute_const__ __u64 ___arch__swab64(__u64 x)
52{
53 asm("bswapq %0" 55 asm("bswapq %0"
54 : "=r" (x) 56 : "=r" (val)
55 : "0" (x)); 57 : "0" (val));
56 return x; 58 return val;
57}
58
59static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
60{
61 asm("bswapl %0"
62 : "=r" (x)
63 : "0" (x));
64 return x;
65}
66
67#endif 59#endif
60}
61#define __arch_swab64 __arch_swab64
68 62
69/* Do not define swab16. Gcc is smart enough to recognize "C" version and 63#include <linux/byteorder.h>
70 convert it into rotation or exhange. */
71
72#define __arch__swab64(x) ___arch__swab64(x)
73#define __arch__swab32(x) ___arch__swab32(x)
74
75#define __BYTEORDER_HAS_U64__
76
77#endif /* __GNUC__ */
78
79#include <linux/byteorder/little_endian.h>
80 64
81#endif /* _ASM_X86_BYTEORDER_H */ 65#endif /* _ASM_X86_BYTEORDER_H */
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index cfdf8c2c5c31..ea408dcba513 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -80,7 +80,6 @@
80#define X86_FEATURE_UP (3*32+ 9) /* smp kernel running on up */ 80#define X86_FEATURE_UP (3*32+ 9) /* smp kernel running on up */
81#define X86_FEATURE_FXSAVE_LEAK (3*32+10) /* "" FXSAVE leaks FOP/FIP/FOP */ 81#define X86_FEATURE_FXSAVE_LEAK (3*32+10) /* "" FXSAVE leaks FOP/FIP/FOP */
82#define X86_FEATURE_ARCH_PERFMON (3*32+11) /* Intel Architectural PerfMon */ 82#define X86_FEATURE_ARCH_PERFMON (3*32+11) /* Intel Architectural PerfMon */
83#define X86_FEATURE_NOPL (3*32+20) /* The NOPL (0F 1F) instructions */
84#define X86_FEATURE_PEBS (3*32+12) /* Precise-Event Based Sampling */ 83#define X86_FEATURE_PEBS (3*32+12) /* Precise-Event Based Sampling */
85#define X86_FEATURE_BTS (3*32+13) /* Branch Trace Store */ 84#define X86_FEATURE_BTS (3*32+13) /* Branch Trace Store */
86#define X86_FEATURE_SYSCALL32 (3*32+14) /* "" syscall in ia32 userspace */ 85#define X86_FEATURE_SYSCALL32 (3*32+14) /* "" syscall in ia32 userspace */
@@ -92,6 +91,8 @@
92#define X86_FEATURE_NOPL (3*32+20) /* The NOPL (0F 1F) instructions */ 91#define X86_FEATURE_NOPL (3*32+20) /* The NOPL (0F 1F) instructions */
93#define X86_FEATURE_AMDC1E (3*32+21) /* AMD C1E detected */ 92#define X86_FEATURE_AMDC1E (3*32+21) /* AMD C1E detected */
94#define X86_FEATURE_XTOPOLOGY (3*32+22) /* cpu topology enum extensions */ 93#define X86_FEATURE_XTOPOLOGY (3*32+22) /* cpu topology enum extensions */
94#define X86_FEATURE_TSC_RELIABLE (3*32+23) /* TSC is known to be reliable */
95#define X86_FEATURE_NONSTOP_TSC (3*32+24) /* TSC does not stop in C states */
95 96
96/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */ 97/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
97#define X86_FEATURE_XMM3 (4*32+ 0) /* "pni" SSE-3 */ 98#define X86_FEATURE_XMM3 (4*32+ 0) /* "pni" SSE-3 */
@@ -117,6 +118,7 @@
117#define X86_FEATURE_XSAVE (4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */ 118#define X86_FEATURE_XSAVE (4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */
118#define X86_FEATURE_OSXSAVE (4*32+27) /* "" XSAVE enabled in the OS */ 119#define X86_FEATURE_OSXSAVE (4*32+27) /* "" XSAVE enabled in the OS */
119#define X86_FEATURE_AVX (4*32+28) /* Advanced Vector Extensions */ 120#define X86_FEATURE_AVX (4*32+28) /* Advanced Vector Extensions */
121#define X86_FEATURE_HYPERVISOR (4*32+31) /* Running on a hypervisor */
120 122
121/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */ 123/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */
122#define X86_FEATURE_XSTORE (5*32+ 2) /* "rng" RNG present (xstore) */ 124#define X86_FEATURE_XSTORE (5*32+ 2) /* "rng" RNG present (xstore) */
@@ -237,6 +239,7 @@ extern const char * const x86_power_flags[32];
237#define cpu_has_xmm4_2 boot_cpu_has(X86_FEATURE_XMM4_2) 239#define cpu_has_xmm4_2 boot_cpu_has(X86_FEATURE_XMM4_2)
238#define cpu_has_x2apic boot_cpu_has(X86_FEATURE_X2APIC) 240#define cpu_has_x2apic boot_cpu_has(X86_FEATURE_X2APIC)
239#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE) 241#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE)
242#define cpu_has_hypervisor boot_cpu_has(X86_FEATURE_HYPERVISOR)
240 243
241#if defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_64) 244#if defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_64)
242# define cpu_has_invlpg 1 245# define cpu_has_invlpg 1
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 097794ff6b79..4035357f5b9d 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -65,18 +65,16 @@ static inline struct dma_mapping_ops *get_dma_ops(struct device *dev)
65 return dma_ops; 65 return dma_ops;
66 else 66 else
67 return dev->archdata.dma_ops; 67 return dev->archdata.dma_ops;
68#endif /* _ASM_X86_DMA_MAPPING_H */ 68#endif
69} 69}
70 70
71/* Make sure we keep the same behaviour */ 71/* Make sure we keep the same behaviour */
72static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) 72static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
73{ 73{
74#ifdef CONFIG_X86_64
75 struct dma_mapping_ops *ops = get_dma_ops(dev); 74 struct dma_mapping_ops *ops = get_dma_ops(dev);
76 if (ops->mapping_error) 75 if (ops->mapping_error)
77 return ops->mapping_error(dev, dma_addr); 76 return ops->mapping_error(dev, dma_addr);
78 77
79#endif
80 return (dma_addr == bad_dma_address); 78 return (dma_addr == bad_dma_address);
81} 79}
82 80
diff --git a/arch/x86/include/asm/ds.h b/arch/x86/include/asm/ds.h
index 99b6c39774a4..a8f672ba100c 100644
--- a/arch/x86/include/asm/ds.h
+++ b/arch/x86/include/asm/ds.h
@@ -6,13 +6,13 @@
6 * precise-event based sampling (PEBS). 6 * precise-event based sampling (PEBS).
7 * 7 *
8 * It manages: 8 * It manages:
9 * - per-thread and per-cpu allocation of BTS and PEBS 9 * - DS and BTS hardware configuration
10 * - buffer overflow handling (to be done) 10 * - buffer overflow handling (to be done)
11 * - buffer access 11 * - buffer access
12 * 12 *
13 * It assumes: 13 * It does not do:
14 * - get_task_struct on all traced tasks 14 * - security checking (is the caller allowed to trace the task)
15 * - current is allowed to trace tasks 15 * - buffer allocation (memory accounting)
16 * 16 *
17 * 17 *
18 * Copyright (C) 2007-2008 Intel Corporation. 18 * Copyright (C) 2007-2008 Intel Corporation.
@@ -31,6 +31,7 @@
31#ifdef CONFIG_X86_DS 31#ifdef CONFIG_X86_DS
32 32
33struct task_struct; 33struct task_struct;
34struct ds_context;
34struct ds_tracer; 35struct ds_tracer;
35struct bts_tracer; 36struct bts_tracer;
36struct pebs_tracer; 37struct pebs_tracer;
@@ -38,6 +39,38 @@ struct pebs_tracer;
38typedef void (*bts_ovfl_callback_t)(struct bts_tracer *); 39typedef void (*bts_ovfl_callback_t)(struct bts_tracer *);
39typedef void (*pebs_ovfl_callback_t)(struct pebs_tracer *); 40typedef void (*pebs_ovfl_callback_t)(struct pebs_tracer *);
40 41
42
43/*
44 * A list of features plus corresponding macros to talk about them in
45 * the ds_request function's flags parameter.
46 *
47 * We use the enum to index an array of corresponding control bits;
48 * we use the macro to index a flags bit-vector.
49 */
50enum ds_feature {
51 dsf_bts = 0,
52 dsf_bts_kernel,
53#define BTS_KERNEL (1 << dsf_bts_kernel)
54 /* trace kernel-mode branches */
55
56 dsf_bts_user,
57#define BTS_USER (1 << dsf_bts_user)
58 /* trace user-mode branches */
59
60 dsf_bts_overflow,
61 dsf_bts_max,
62 dsf_pebs = dsf_bts_max,
63
64 dsf_pebs_max,
65 dsf_ctl_max = dsf_pebs_max,
66 dsf_bts_timestamps = dsf_ctl_max,
67#define BTS_TIMESTAMPS (1 << dsf_bts_timestamps)
68 /* add timestamps into BTS trace */
69
70#define BTS_USER_FLAGS (BTS_KERNEL | BTS_USER | BTS_TIMESTAMPS)
71};
72
73
41/* 74/*
42 * Request BTS or PEBS 75 * Request BTS or PEBS
43 * 76 *
@@ -58,92 +91,135 @@ typedef void (*pebs_ovfl_callback_t)(struct pebs_tracer *);
58 * NULL if cyclic buffer requested 91 * NULL if cyclic buffer requested
59 * th: the interrupt threshold in records from the end of the buffer; 92 * th: the interrupt threshold in records from the end of the buffer;
60 * -1 if no interrupt threshold is requested. 93 * -1 if no interrupt threshold is requested.
94 * flags: a bit-mask of the above flags
61 */ 95 */
62extern struct bts_tracer *ds_request_bts(struct task_struct *task, 96extern struct bts_tracer *ds_request_bts(struct task_struct *task,
63 void *base, size_t size, 97 void *base, size_t size,
64 bts_ovfl_callback_t ovfl, size_t th); 98 bts_ovfl_callback_t ovfl,
99 size_t th, unsigned int flags);
65extern struct pebs_tracer *ds_request_pebs(struct task_struct *task, 100extern struct pebs_tracer *ds_request_pebs(struct task_struct *task,
66 void *base, size_t size, 101 void *base, size_t size,
67 pebs_ovfl_callback_t ovfl, 102 pebs_ovfl_callback_t ovfl,
68 size_t th); 103 size_t th, unsigned int flags);
69 104
70/* 105/*
71 * Release BTS or PEBS resources 106 * Release BTS or PEBS resources
72 * 107 * Suspend and resume BTS or PEBS tracing
73 * Returns 0 on success; -Eerrno otherwise
74 * 108 *
75 * tracer: the tracer handle returned from ds_request_~() 109 * tracer: the tracer handle returned from ds_request_~()
76 */ 110 */
77extern int ds_release_bts(struct bts_tracer *tracer); 111extern void ds_release_bts(struct bts_tracer *tracer);
78extern int ds_release_pebs(struct pebs_tracer *tracer); 112extern void ds_suspend_bts(struct bts_tracer *tracer);
113extern void ds_resume_bts(struct bts_tracer *tracer);
114extern void ds_release_pebs(struct pebs_tracer *tracer);
115extern void ds_suspend_pebs(struct pebs_tracer *tracer);
116extern void ds_resume_pebs(struct pebs_tracer *tracer);
117
79 118
80/* 119/*
81 * Get the (array) index of the write pointer. 120 * The raw DS buffer state as it is used for BTS and PEBS recording.
82 * (assuming an array of BTS/PEBS records)
83 *
84 * Returns 0 on success; -Eerrno on error
85 * 121 *
86 * tracer: the tracer handle returned from ds_request_~() 122 * This is the low-level, arch-dependent interface for working
87 * pos (out): will hold the result 123 * directly on the raw trace data.
88 */ 124 */
89extern int ds_get_bts_index(struct bts_tracer *tracer, size_t *pos); 125struct ds_trace {
90extern int ds_get_pebs_index(struct pebs_tracer *tracer, size_t *pos); 126 /* the number of bts/pebs records */
127 size_t n;
128 /* the size of a bts/pebs record in bytes */
129 size_t size;
130 /* pointers into the raw buffer:
131 - to the first entry */
132 void *begin;
133 /* - one beyond the last entry */
134 void *end;
135 /* - one beyond the newest entry */
136 void *top;
137 /* - the interrupt threshold */
138 void *ith;
139 /* flags given on ds_request() */
140 unsigned int flags;
141};
91 142
92/* 143/*
93 * Get the (array) index one record beyond the end of the array. 144 * An arch-independent view on branch trace data.
94 * (assuming an array of BTS/PEBS records)
95 *
96 * Returns 0 on success; -Eerrno on error
97 *
98 * tracer: the tracer handle returned from ds_request_~()
99 * pos (out): will hold the result
100 */ 145 */
101extern int ds_get_bts_end(struct bts_tracer *tracer, size_t *pos); 146enum bts_qualifier {
102extern int ds_get_pebs_end(struct pebs_tracer *tracer, size_t *pos); 147 bts_invalid,
148#define BTS_INVALID bts_invalid
149
150 bts_branch,
151#define BTS_BRANCH bts_branch
152
153 bts_task_arrives,
154#define BTS_TASK_ARRIVES bts_task_arrives
155
156 bts_task_departs,
157#define BTS_TASK_DEPARTS bts_task_departs
158
159 bts_qual_bit_size = 4,
160 bts_qual_max = (1 << bts_qual_bit_size),
161};
162
163struct bts_struct {
164 __u64 qualifier;
165 union {
166 /* BTS_BRANCH */
167 struct {
168 __u64 from;
169 __u64 to;
170 } lbr;
171 /* BTS_TASK_ARRIVES or BTS_TASK_DEPARTS */
172 struct {
173 __u64 jiffies;
174 pid_t pid;
175 } timestamp;
176 } variant;
177};
178
103 179
104/* 180/*
105 * Provide a pointer to the BTS/PEBS record at parameter index. 181 * The BTS state.
106 * (assuming an array of BTS/PEBS records)
107 *
108 * The pointer points directly into the buffer. The user is
109 * responsible for copying the record.
110 * 182 *
111 * Returns the size of a single record on success; -Eerrno on error 183 * This gives access to the raw DS state and adds functions to provide
112 * 184 * an arch-independent view of the BTS data.
113 * tracer: the tracer handle returned from ds_request_~()
114 * index: the index of the requested record
115 * record (out): pointer to the requested record
116 */ 185 */
117extern int ds_access_bts(struct bts_tracer *tracer, 186struct bts_trace {
118 size_t index, const void **record); 187 struct ds_trace ds;
119extern int ds_access_pebs(struct pebs_tracer *tracer, 188
120 size_t index, const void **record); 189 int (*read)(struct bts_tracer *tracer, const void *at,
190 struct bts_struct *out);
191 int (*write)(struct bts_tracer *tracer, const struct bts_struct *in);
192};
193
121 194
122/* 195/*
123 * Write one or more BTS/PEBS records at the write pointer index and 196 * The PEBS state.
124 * advance the write pointer.
125 *
126 * If size is not a multiple of the record size, trailing bytes are
127 * zeroed out.
128 * 197 *
129 * May result in one or more overflow notifications. 198 * This gives access to the raw DS state and the PEBS-specific counter
130 * 199 * reset value.
131 * If called during overflow handling, that is, with index >= 200 */
132 * interrupt threshold, the write will wrap around. 201struct pebs_trace {
202 struct ds_trace ds;
203
204 /* the PEBS reset value */
205 unsigned long long reset_value;
206};
207
208
209/*
210 * Read the BTS or PEBS trace.
133 * 211 *
134 * An overflow notification is given if and when the interrupt 212 * Returns a view on the trace collected for the parameter tracer.
135 * threshold is reached during or after the write.
136 * 213 *
137 * Returns the number of bytes written or -Eerrno. 214 * The view remains valid as long as the traced task is not running or
215 * the tracer is suspended.
216 * Writes into the trace buffer are not reflected.
138 * 217 *
139 * tracer: the tracer handle returned from ds_request_~() 218 * tracer: the tracer handle returned from ds_request_~()
140 * buffer: the buffer to write
141 * size: the size of the buffer
142 */ 219 */
143extern int ds_write_bts(struct bts_tracer *tracer, 220extern const struct bts_trace *ds_read_bts(struct bts_tracer *tracer);
144 const void *buffer, size_t size); 221extern const struct pebs_trace *ds_read_pebs(struct pebs_tracer *tracer);
145extern int ds_write_pebs(struct pebs_tracer *tracer, 222
146 const void *buffer, size_t size);
147 223
148/* 224/*
149 * Reset the write pointer of the BTS/PEBS buffer. 225 * Reset the write pointer of the BTS/PEBS buffer.
@@ -156,27 +232,6 @@ extern int ds_reset_bts(struct bts_tracer *tracer);
156extern int ds_reset_pebs(struct pebs_tracer *tracer); 232extern int ds_reset_pebs(struct pebs_tracer *tracer);
157 233
158/* 234/*
159 * Clear the BTS/PEBS buffer and reset the write pointer.
160 * The entire buffer will be zeroed out.
161 *
162 * Returns 0 on success; -Eerrno on error
163 *
164 * tracer: the tracer handle returned from ds_request_~()
165 */
166extern int ds_clear_bts(struct bts_tracer *tracer);
167extern int ds_clear_pebs(struct pebs_tracer *tracer);
168
169/*
170 * Provide the PEBS counter reset value.
171 *
172 * Returns 0 on success; -Eerrno on error
173 *
174 * tracer: the tracer handle returned from ds_request_pebs()
175 * value (out): the counter reset value
176 */
177extern int ds_get_pebs_reset(struct pebs_tracer *tracer, u64 *value);
178
179/*
180 * Set the PEBS counter reset value. 235 * Set the PEBS counter reset value.
181 * 236 *
182 * Returns 0 on success; -Eerrno on error 237 * Returns 0 on success; -Eerrno on error
@@ -192,35 +247,26 @@ extern int ds_set_pebs_reset(struct pebs_tracer *tracer, u64 value);
192struct cpuinfo_x86; 247struct cpuinfo_x86;
193extern void __cpuinit ds_init_intel(struct cpuinfo_x86 *); 248extern void __cpuinit ds_init_intel(struct cpuinfo_x86 *);
194 249
195
196
197/* 250/*
198 * The DS context - part of struct thread_struct. 251 * Context switch work
199 */ 252 */
200#define MAX_SIZEOF_DS (12 * 8) 253extern void ds_switch_to(struct task_struct *prev, struct task_struct *next);
201
202struct ds_context {
203 /* pointer to the DS configuration; goes into MSR_IA32_DS_AREA */
204 unsigned char ds[MAX_SIZEOF_DS];
205 /* the owner of the BTS and PEBS configuration, respectively */
206 struct ds_tracer *owner[2];
207 /* use count */
208 unsigned long count;
209 /* a pointer to the context location inside the thread_struct
210 * or the per_cpu context array */
211 struct ds_context **this;
212 /* a pointer to the task owning this context, or NULL, if the
213 * context is owned by a cpu */
214 struct task_struct *task;
215};
216 254
217/* called by exit_thread() to free leftover contexts */ 255/*
218extern void ds_free(struct ds_context *context); 256 * Task clone/init and cleanup work
257 */
258extern void ds_copy_thread(struct task_struct *tsk, struct task_struct *father);
259extern void ds_exit_thread(struct task_struct *tsk);
219 260
220#else /* CONFIG_X86_DS */ 261#else /* CONFIG_X86_DS */
221 262
222struct cpuinfo_x86; 263struct cpuinfo_x86;
223static inline void __cpuinit ds_init_intel(struct cpuinfo_x86 *ignored) {} 264static inline void __cpuinit ds_init_intel(struct cpuinfo_x86 *ignored) {}
265static inline void ds_switch_to(struct task_struct *prev,
266 struct task_struct *next) {}
267static inline void ds_copy_thread(struct task_struct *tsk,
268 struct task_struct *father) {}
269static inline void ds_exit_thread(struct task_struct *tsk) {}
224 270
225#endif /* CONFIG_X86_DS */ 271#endif /* CONFIG_X86_DS */
226#endif /* _ASM_X86_DS_H */ 272#endif /* _ASM_X86_DS_H */
diff --git a/arch/x86/include/asm/dwarf2.h b/arch/x86/include/asm/dwarf2.h
index 804b6e6be929..3afc5e87cfdd 100644
--- a/arch/x86/include/asm/dwarf2.h
+++ b/arch/x86/include/asm/dwarf2.h
@@ -6,56 +6,91 @@
6#endif 6#endif
7 7
8/* 8/*
9 Macros for dwarf2 CFI unwind table entries. 9 * Macros for dwarf2 CFI unwind table entries.
10 See "as.info" for details on these pseudo ops. Unfortunately 10 * See "as.info" for details on these pseudo ops. Unfortunately
11 they are only supported in very new binutils, so define them 11 * they are only supported in very new binutils, so define them
12 away for older version. 12 * away for older version.
13 */ 13 */
14 14
15#ifdef CONFIG_AS_CFI 15#ifdef CONFIG_AS_CFI
16 16
17#define CFI_STARTPROC .cfi_startproc 17#define CFI_STARTPROC .cfi_startproc
18#define CFI_ENDPROC .cfi_endproc 18#define CFI_ENDPROC .cfi_endproc
19#define CFI_DEF_CFA .cfi_def_cfa 19#define CFI_DEF_CFA .cfi_def_cfa
20#define CFI_DEF_CFA_REGISTER .cfi_def_cfa_register 20#define CFI_DEF_CFA_REGISTER .cfi_def_cfa_register
21#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset 21#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
22#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset 22#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
23#define CFI_OFFSET .cfi_offset 23#define CFI_OFFSET .cfi_offset
24#define CFI_REL_OFFSET .cfi_rel_offset 24#define CFI_REL_OFFSET .cfi_rel_offset
25#define CFI_REGISTER .cfi_register 25#define CFI_REGISTER .cfi_register
26#define CFI_RESTORE .cfi_restore 26#define CFI_RESTORE .cfi_restore
27#define CFI_REMEMBER_STATE .cfi_remember_state 27#define CFI_REMEMBER_STATE .cfi_remember_state
28#define CFI_RESTORE_STATE .cfi_restore_state 28#define CFI_RESTORE_STATE .cfi_restore_state
29#define CFI_UNDEFINED .cfi_undefined 29#define CFI_UNDEFINED .cfi_undefined
30 30
31#ifdef CONFIG_AS_CFI_SIGNAL_FRAME 31#ifdef CONFIG_AS_CFI_SIGNAL_FRAME
32#define CFI_SIGNAL_FRAME .cfi_signal_frame 32#define CFI_SIGNAL_FRAME .cfi_signal_frame
33#else 33#else
34#define CFI_SIGNAL_FRAME 34#define CFI_SIGNAL_FRAME
35#endif 35#endif
36 36
37#else 37#else
38 38
39/* Due to the structure of pre-exisiting code, don't use assembler line 39/*
40 comment character # to ignore the arguments. Instead, use a dummy macro. */ 40 * Due to the structure of pre-exisiting code, don't use assembler line
41 * comment character # to ignore the arguments. Instead, use a dummy macro.
42 */
41.macro cfi_ignore a=0, b=0, c=0, d=0 43.macro cfi_ignore a=0, b=0, c=0, d=0
42.endm 44.endm
43 45
44#define CFI_STARTPROC cfi_ignore 46#define CFI_STARTPROC cfi_ignore
45#define CFI_ENDPROC cfi_ignore 47#define CFI_ENDPROC cfi_ignore
46#define CFI_DEF_CFA cfi_ignore 48#define CFI_DEF_CFA cfi_ignore
47#define CFI_DEF_CFA_REGISTER cfi_ignore 49#define CFI_DEF_CFA_REGISTER cfi_ignore
48#define CFI_DEF_CFA_OFFSET cfi_ignore 50#define CFI_DEF_CFA_OFFSET cfi_ignore
49#define CFI_ADJUST_CFA_OFFSET cfi_ignore 51#define CFI_ADJUST_CFA_OFFSET cfi_ignore
50#define CFI_OFFSET cfi_ignore 52#define CFI_OFFSET cfi_ignore
51#define CFI_REL_OFFSET cfi_ignore 53#define CFI_REL_OFFSET cfi_ignore
52#define CFI_REGISTER cfi_ignore 54#define CFI_REGISTER cfi_ignore
53#define CFI_RESTORE cfi_ignore 55#define CFI_RESTORE cfi_ignore
54#define CFI_REMEMBER_STATE cfi_ignore 56#define CFI_REMEMBER_STATE cfi_ignore
55#define CFI_RESTORE_STATE cfi_ignore 57#define CFI_RESTORE_STATE cfi_ignore
56#define CFI_UNDEFINED cfi_ignore 58#define CFI_UNDEFINED cfi_ignore
57#define CFI_SIGNAL_FRAME cfi_ignore 59#define CFI_SIGNAL_FRAME cfi_ignore
58 60
59#endif 61#endif
60 62
63/*
64 * An attempt to make CFI annotations more or less
65 * correct and shorter. It is implied that you know
66 * what you're doing if you use them.
67 */
68#ifdef __ASSEMBLY__
69#ifdef CONFIG_X86_64
70 .macro pushq_cfi reg
71 pushq \reg
72 CFI_ADJUST_CFA_OFFSET 8
73 .endm
74
75 .macro popq_cfi reg
76 popq \reg
77 CFI_ADJUST_CFA_OFFSET -8
78 .endm
79
80 .macro movq_cfi reg offset=0
81 movq %\reg, \offset(%rsp)
82 CFI_REL_OFFSET \reg, \offset
83 .endm
84
85 .macro movq_cfi_restore offset reg
86 movq \offset(%rsp), %\reg
87 CFI_RESTORE \reg
88 .endm
89#else /*!CONFIG_X86_64*/
90
91 /* 32bit defenitions are missed yet */
92
93#endif /*!CONFIG_X86_64*/
94#endif /*__ASSEMBLY__*/
95
61#endif /* _ASM_X86_DWARF2_H */ 96#endif /* _ASM_X86_DWARF2_H */
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index 40ca1bea7916..f51a3ddde01a 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -325,7 +325,7 @@ struct linux_binprm;
325 325
326#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 326#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
327extern int arch_setup_additional_pages(struct linux_binprm *bprm, 327extern int arch_setup_additional_pages(struct linux_binprm *bprm,
328 int executable_stack); 328 int uses_interp);
329 329
330extern int syscall32_setup_pages(struct linux_binprm *, int exstack); 330extern int syscall32_setup_pages(struct linux_binprm *, int exstack);
331#define compat_arch_setup_additional_pages syscall32_setup_pages 331#define compat_arch_setup_additional_pages syscall32_setup_pages
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index 7e61b4ceb9a4..b55b4a7fbefd 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -1,6 +1,33 @@
1#ifndef _ASM_X86_FTRACE_H 1#ifndef _ASM_X86_FTRACE_H
2#define _ASM_X86_FTRACE_H 2#define _ASM_X86_FTRACE_H
3 3
4#ifdef __ASSEMBLY__
5
6 .macro MCOUNT_SAVE_FRAME
7 /* taken from glibc */
8 subq $0x38, %rsp
9 movq %rax, (%rsp)
10 movq %rcx, 8(%rsp)
11 movq %rdx, 16(%rsp)
12 movq %rsi, 24(%rsp)
13 movq %rdi, 32(%rsp)
14 movq %r8, 40(%rsp)
15 movq %r9, 48(%rsp)
16 .endm
17
18 .macro MCOUNT_RESTORE_FRAME
19 movq 48(%rsp), %r9
20 movq 40(%rsp), %r8
21 movq 32(%rsp), %rdi
22 movq 24(%rsp), %rsi
23 movq 16(%rsp), %rdx
24 movq 8(%rsp), %rcx
25 movq (%rsp), %rax
26 addq $0x38, %rsp
27 .endm
28
29#endif
30
4#ifdef CONFIG_FUNCTION_TRACER 31#ifdef CONFIG_FUNCTION_TRACER
5#define MCOUNT_ADDR ((long)(mcount)) 32#define MCOUNT_ADDR ((long)(mcount))
6#define MCOUNT_INSN_SIZE 5 /* sizeof mcount call */ 33#define MCOUNT_INSN_SIZE 5 /* sizeof mcount call */
@@ -46,7 +73,7 @@ struct ftrace_ret_stack {
46/* 73/*
47 * Primary handler of a function return. 74 * Primary handler of a function return.
48 * It relays on ftrace_return_to_handler. 75 * It relays on ftrace_return_to_handler.
49 * Defined in entry32.S 76 * Defined in entry_32/64.S
50 */ 77 */
51extern void return_to_handler(void); 78extern void return_to_handler(void);
52 79
diff --git a/arch/x86/include/asm/gart.h b/arch/x86/include/asm/gart.h
index 74252264433d..6cfdafa409d8 100644
--- a/arch/x86/include/asm/gart.h
+++ b/arch/x86/include/asm/gart.h
@@ -29,6 +29,39 @@ extern int fix_aperture;
29#define AMD64_GARTCACHECTL 0x9c 29#define AMD64_GARTCACHECTL 0x9c
30#define AMD64_GARTEN (1<<0) 30#define AMD64_GARTEN (1<<0)
31 31
32#ifdef CONFIG_GART_IOMMU
33extern int gart_iommu_aperture;
34extern int gart_iommu_aperture_allowed;
35extern int gart_iommu_aperture_disabled;
36
37extern void early_gart_iommu_check(void);
38extern void gart_iommu_init(void);
39extern void gart_iommu_shutdown(void);
40extern void __init gart_parse_options(char *);
41extern void gart_iommu_hole_init(void);
42
43#else
44#define gart_iommu_aperture 0
45#define gart_iommu_aperture_allowed 0
46#define gart_iommu_aperture_disabled 1
47
48static inline void early_gart_iommu_check(void)
49{
50}
51static inline void gart_iommu_init(void)
52{
53}
54static inline void gart_iommu_shutdown(void)
55{
56}
57static inline void gart_parse_options(char *options)
58{
59}
60static inline void gart_iommu_hole_init(void)
61{
62}
63#endif
64
32extern int agp_amd64_init(void); 65extern int agp_amd64_init(void);
33 66
34static inline void enable_gart_translation(struct pci_dev *dev, u64 addr) 67static inline void enable_gart_translation(struct pci_dev *dev, u64 addr)
diff --git a/arch/x86/include/asm/hardirq_32.h b/arch/x86/include/asm/hardirq_32.h
index 5ca135e72f2b..cf7954d1405f 100644
--- a/arch/x86/include/asm/hardirq_32.h
+++ b/arch/x86/include/asm/hardirq_32.h
@@ -22,6 +22,8 @@ DECLARE_PER_CPU(irq_cpustat_t, irq_stat);
22#define __ARCH_IRQ_STAT 22#define __ARCH_IRQ_STAT
23#define __IRQ_STAT(cpu, member) (per_cpu(irq_stat, cpu).member) 23#define __IRQ_STAT(cpu, member) (per_cpu(irq_stat, cpu).member)
24 24
25#define inc_irq_stat(member) (__get_cpu_var(irq_stat).member++)
26
25void ack_bad_irq(unsigned int irq); 27void ack_bad_irq(unsigned int irq);
26#include <linux/irq_cpustat.h> 28#include <linux/irq_cpustat.h>
27 29
diff --git a/arch/x86/include/asm/hardirq_64.h b/arch/x86/include/asm/hardirq_64.h
index 1ba381fc51d3..b5a6b5d56704 100644
--- a/arch/x86/include/asm/hardirq_64.h
+++ b/arch/x86/include/asm/hardirq_64.h
@@ -11,6 +11,8 @@
11 11
12#define __ARCH_IRQ_STAT 1 12#define __ARCH_IRQ_STAT 1
13 13
14#define inc_irq_stat(member) add_pda(member, 1)
15
14#define local_softirq_pending() read_pda(__softirq_pending) 16#define local_softirq_pending() read_pda(__softirq_pending)
15 17
16#define __ARCH_SET_SOFTIRQ_PENDING 1 18#define __ARCH_SET_SOFTIRQ_PENDING 1
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index b97aecb0b61d..8de644b6b959 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -109,9 +109,7 @@ extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *);
109#endif 109#endif
110#endif 110#endif
111 111
112#ifdef CONFIG_X86_32 112extern void (*__initconst interrupt[NR_VECTORS-FIRST_EXTERNAL_VECTOR])(void);
113extern void (*const interrupt[NR_VECTORS])(void);
114#endif
115 113
116typedef int vector_irq_t[NR_VECTORS]; 114typedef int vector_irq_t[NR_VECTORS];
117DECLARE_PER_CPU(vector_irq_t, vector_irq); 115DECLARE_PER_CPU(vector_irq_t, vector_irq);
diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h
new file mode 100644
index 000000000000..369f5c5d09a1
--- /dev/null
+++ b/arch/x86/include/asm/hypervisor.h
@@ -0,0 +1,26 @@
1/*
2 * Copyright (C) 2008, VMware, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
12 * NON INFRINGEMENT. See the GNU General Public License for more
13 * details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 */
20#ifndef ASM_X86__HYPERVISOR_H
21#define ASM_X86__HYPERVISOR_H
22
23extern unsigned long get_hypervisor_tsc_freq(void);
24extern void init_hypervisor(struct cpuinfo_x86 *c);
25
26#endif
diff --git a/arch/x86/include/asm/ia32.h b/arch/x86/include/asm/ia32.h
index 97989c0e534c..50ca486fd88c 100644
--- a/arch/x86/include/asm/ia32.h
+++ b/arch/x86/include/asm/ia32.h
@@ -129,24 +129,6 @@ typedef struct compat_siginfo {
129 } _sifields; 129 } _sifields;
130} compat_siginfo_t; 130} compat_siginfo_t;
131 131
132struct sigframe32 {
133 u32 pretcode;
134 int sig;
135 struct sigcontext_ia32 sc;
136 struct _fpstate_ia32 fpstate;
137 unsigned int extramask[_COMPAT_NSIG_WORDS-1];
138};
139
140struct rt_sigframe32 {
141 u32 pretcode;
142 int sig;
143 u32 pinfo;
144 u32 puc;
145 compat_siginfo_t info;
146 struct ucontext_ia32 uc;
147 struct _fpstate_ia32 fpstate;
148};
149
150struct ustat32 { 132struct ustat32 {
151 __u32 f_tfree; 133 __u32 f_tfree;
152 compat_ino_t f_tinode; 134 compat_ino_t f_tinode;
diff --git a/arch/x86/include/asm/idle.h b/arch/x86/include/asm/idle.h
index 44c89c3a23e9..38d87379e270 100644
--- a/arch/x86/include/asm/idle.h
+++ b/arch/x86/include/asm/idle.h
@@ -8,8 +8,13 @@ struct notifier_block;
8void idle_notifier_register(struct notifier_block *n); 8void idle_notifier_register(struct notifier_block *n);
9void idle_notifier_unregister(struct notifier_block *n); 9void idle_notifier_unregister(struct notifier_block *n);
10 10
11#ifdef CONFIG_X86_64
11void enter_idle(void); 12void enter_idle(void);
12void exit_idle(void); 13void exit_idle(void);
14#else /* !CONFIG_X86_64 */
15static inline void enter_idle(void) { }
16static inline void exit_idle(void) { }
17#endif /* CONFIG_X86_64 */
13 18
14void c1e_remove_cpu(int cpu); 19void c1e_remove_cpu(int cpu);
15 20
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index ac2abc88cd95..05cfed4485fa 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -4,6 +4,7 @@
4#define ARCH_HAS_IOREMAP_WC 4#define ARCH_HAS_IOREMAP_WC
5 5
6#include <linux/compiler.h> 6#include <linux/compiler.h>
7#include <asm-generic/int-ll64.h>
7 8
8#define build_mmio_read(name, size, type, reg, barrier) \ 9#define build_mmio_read(name, size, type, reg, barrier) \
9static inline type name(const volatile void __iomem *addr) \ 10static inline type name(const volatile void __iomem *addr) \
@@ -45,21 +46,39 @@ build_mmio_write(__writel, "l", unsigned int, "r", )
45#define mmiowb() barrier() 46#define mmiowb() barrier()
46 47
47#ifdef CONFIG_X86_64 48#ifdef CONFIG_X86_64
49
48build_mmio_read(readq, "q", unsigned long, "=r", :"memory") 50build_mmio_read(readq, "q", unsigned long, "=r", :"memory")
49build_mmio_read(__readq, "q", unsigned long, "=r", )
50build_mmio_write(writeq, "q", unsigned long, "r", :"memory") 51build_mmio_write(writeq, "q", unsigned long, "r", :"memory")
51build_mmio_write(__writeq, "q", unsigned long, "r", )
52 52
53#define readq_relaxed(a) __readq(a) 53#else
54#define __raw_readq __readq 54
55#define __raw_writeq writeq 55static inline __u64 readq(const volatile void __iomem *addr)
56{
57 const volatile u32 __iomem *p = addr;
58 u32 low, high;
59
60 low = readl(p);
61 high = readl(p + 1);
62
63 return low + ((u64)high << 32);
64}
65
66static inline void writeq(__u64 val, volatile void __iomem *addr)
67{
68 writel(val, addr);
69 writel(val >> 32, addr+4);
70}
56 71
57/* Let people know we have them */
58#define readq readq
59#define writeq writeq
60#endif 72#endif
61 73
62extern int iommu_bio_merge; 74#define readq_relaxed(a) readq(a)
75
76#define __raw_readq(a) readq(a)
77#define __raw_writeq(val, addr) writeq(val, addr)
78
79/* Let people know that we have them */
80#define readq readq
81#define writeq writeq
63 82
64#ifdef CONFIG_X86_32 83#ifdef CONFIG_X86_32
65# include "io_32.h" 84# include "io_32.h"
diff --git a/arch/x86/include/asm/io_64.h b/arch/x86/include/asm/io_64.h
index fea325a1122f..563c16270ba6 100644
--- a/arch/x86/include/asm/io_64.h
+++ b/arch/x86/include/asm/io_64.h
@@ -232,8 +232,6 @@ void memset_io(volatile void __iomem *a, int b, size_t c);
232 232
233#define flush_write_buffers() 233#define flush_write_buffers()
234 234
235#define BIO_VMERGE_BOUNDARY iommu_bio_merge
236
237/* 235/*
238 * Convert a virtual cached pointer to an uncached pointer 236 * Convert a virtual cached pointer to an uncached pointer
239 */ 237 */
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 25d527ca1362..7a1f44ac1f17 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -156,11 +156,21 @@ extern int sis_apic_bug;
156/* 1 if "noapic" boot option passed */ 156/* 1 if "noapic" boot option passed */
157extern int skip_ioapic_setup; 157extern int skip_ioapic_setup;
158 158
159/* 1 if "noapic" boot option passed */
160extern int noioapicquirk;
161
162/* -1 if "noapic" boot option passed */
163extern int noioapicreroute;
164
159/* 1 if the timer IRQ uses the '8259A Virtual Wire' mode */ 165/* 1 if the timer IRQ uses the '8259A Virtual Wire' mode */
160extern int timer_through_8259; 166extern int timer_through_8259;
161 167
162static inline void disable_ioapic_setup(void) 168static inline void disable_ioapic_setup(void)
163{ 169{
170#ifdef CONFIG_PCI
171 noioapicquirk = 1;
172 noioapicreroute = -1;
173#endif
164 skip_ioapic_setup = 1; 174 skip_ioapic_setup = 1;
165} 175}
166 176
diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h
index 0b500c5b6446..a6ee9e6f530f 100644
--- a/arch/x86/include/asm/iommu.h
+++ b/arch/x86/include/asm/iommu.h
@@ -7,42 +7,7 @@ extern struct dma_mapping_ops nommu_dma_ops;
7extern int force_iommu, no_iommu; 7extern int force_iommu, no_iommu;
8extern int iommu_detected; 8extern int iommu_detected;
9 9
10extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len);
11
12/* 10 seconds */ 10/* 10 seconds */
13#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) 11#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
14 12
15#ifdef CONFIG_GART_IOMMU
16extern int gart_iommu_aperture;
17extern int gart_iommu_aperture_allowed;
18extern int gart_iommu_aperture_disabled;
19
20extern void early_gart_iommu_check(void);
21extern void gart_iommu_init(void);
22extern void gart_iommu_shutdown(void);
23extern void __init gart_parse_options(char *);
24extern void gart_iommu_hole_init(void);
25
26#else
27#define gart_iommu_aperture 0
28#define gart_iommu_aperture_allowed 0
29#define gart_iommu_aperture_disabled 1
30
31static inline void early_gart_iommu_check(void)
32{
33}
34static inline void gart_iommu_init(void)
35{
36}
37static inline void gart_iommu_shutdown(void)
38{
39}
40static inline void gart_parse_options(char *options)
41{
42}
43static inline void gart_iommu_hole_init(void)
44{
45}
46#endif
47
48#endif /* _ASM_X86_IOMMU_H */ 13#endif /* _ASM_X86_IOMMU_H */
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index 4bb732e45a85..592688ed04d3 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -31,10 +31,6 @@ static inline int irq_canonicalize(int irq)
31# endif 31# endif
32#endif 32#endif
33 33
34#ifdef CONFIG_IRQBALANCE
35extern int irqbalance_disable(char *str);
36#endif
37
38#ifdef CONFIG_HOTPLUG_CPU 34#ifdef CONFIG_HOTPLUG_CPU
39#include <linux/cpumask.h> 35#include <linux/cpumask.h>
40extern void fixup_irqs(void); 36extern void fixup_irqs(void);
diff --git a/arch/x86/include/asm/irq_regs_32.h b/arch/x86/include/asm/irq_regs_32.h
index af2f02d27fc7..86afd7473457 100644
--- a/arch/x86/include/asm/irq_regs_32.h
+++ b/arch/x86/include/asm/irq_regs_32.h
@@ -9,6 +9,8 @@
9 9
10#include <asm/percpu.h> 10#include <asm/percpu.h>
11 11
12#define ARCH_HAS_OWN_IRQ_REGS
13
12DECLARE_PER_CPU(struct pt_regs *, irq_regs); 14DECLARE_PER_CPU(struct pt_regs *, irq_regs);
13 15
14static inline struct pt_regs *get_irq_regs(void) 16static inline struct pt_regs *get_irq_regs(void)
diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h
index f61ee8f937e4..5d98d0b68ffc 100644
--- a/arch/x86/include/asm/linkage.h
+++ b/arch/x86/include/asm/linkage.h
@@ -57,5 +57,65 @@
57#define __ALIGN_STR ".align 16,0x90" 57#define __ALIGN_STR ".align 16,0x90"
58#endif 58#endif
59 59
60/*
61 * to check ENTRY_X86/END_X86 and
62 * KPROBE_ENTRY_X86/KPROBE_END_X86
63 * unbalanced-missed-mixed appearance
64 */
65#define __set_entry_x86 .set ENTRY_X86_IN, 0
66#define __unset_entry_x86 .set ENTRY_X86_IN, 1
67#define __set_kprobe_x86 .set KPROBE_X86_IN, 0
68#define __unset_kprobe_x86 .set KPROBE_X86_IN, 1
69
70#define __macro_err_x86 .error "ENTRY_X86/KPROBE_X86 unbalanced,missed,mixed"
71
72#define __check_entry_x86 \
73 .ifdef ENTRY_X86_IN; \
74 .ifeq ENTRY_X86_IN; \
75 __macro_err_x86; \
76 .abort; \
77 .endif; \
78 .endif
79
80#define __check_kprobe_x86 \
81 .ifdef KPROBE_X86_IN; \
82 .ifeq KPROBE_X86_IN; \
83 __macro_err_x86; \
84 .abort; \
85 .endif; \
86 .endif
87
88#define __check_entry_kprobe_x86 \
89 __check_entry_x86; \
90 __check_kprobe_x86
91
92#define ENTRY_KPROBE_FINAL_X86 __check_entry_kprobe_x86
93
94#define ENTRY_X86(name) \
95 __check_entry_kprobe_x86; \
96 __set_entry_x86; \
97 .globl name; \
98 __ALIGN; \
99 name:
100
101#define END_X86(name) \
102 __unset_entry_x86; \
103 __check_entry_kprobe_x86; \
104 .size name, .-name
105
106#define KPROBE_ENTRY_X86(name) \
107 __check_entry_kprobe_x86; \
108 __set_kprobe_x86; \
109 .pushsection .kprobes.text, "ax"; \
110 .globl name; \
111 __ALIGN; \
112 name:
113
114#define KPROBE_END_X86(name) \
115 __unset_kprobe_x86; \
116 __check_entry_kprobe_x86; \
117 .size name, .-name; \
118 .popsection
119
60#endif /* _ASM_X86_LINKAGE_H */ 120#endif /* _ASM_X86_LINKAGE_H */
61 121
diff --git a/arch/x86/include/asm/mmu_context_32.h b/arch/x86/include/asm/mmu_context_32.h
index 8e10015781fb..7e98ce1d2c0e 100644
--- a/arch/x86/include/asm/mmu_context_32.h
+++ b/arch/x86/include/asm/mmu_context_32.h
@@ -4,9 +4,8 @@
4static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) 4static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
5{ 5{
6#ifdef CONFIG_SMP 6#ifdef CONFIG_SMP
7 unsigned cpu = smp_processor_id(); 7 if (x86_read_percpu(cpu_tlbstate.state) == TLBSTATE_OK)
8 if (per_cpu(cpu_tlbstate, cpu).state == TLBSTATE_OK) 8 x86_write_percpu(cpu_tlbstate.state, TLBSTATE_LAZY);
9 per_cpu(cpu_tlbstate, cpu).state = TLBSTATE_LAZY;
10#endif 9#endif
11} 10}
12 11
@@ -20,8 +19,8 @@ static inline void switch_mm(struct mm_struct *prev,
20 /* stop flush ipis for the previous mm */ 19 /* stop flush ipis for the previous mm */
21 cpu_clear(cpu, prev->cpu_vm_mask); 20 cpu_clear(cpu, prev->cpu_vm_mask);
22#ifdef CONFIG_SMP 21#ifdef CONFIG_SMP
23 per_cpu(cpu_tlbstate, cpu).state = TLBSTATE_OK; 22 x86_write_percpu(cpu_tlbstate.state, TLBSTATE_OK);
24 per_cpu(cpu_tlbstate, cpu).active_mm = next; 23 x86_write_percpu(cpu_tlbstate.active_mm, next);
25#endif 24#endif
26 cpu_set(cpu, next->cpu_vm_mask); 25 cpu_set(cpu, next->cpu_vm_mask);
27 26
@@ -36,8 +35,8 @@ static inline void switch_mm(struct mm_struct *prev,
36 } 35 }
37#ifdef CONFIG_SMP 36#ifdef CONFIG_SMP
38 else { 37 else {
39 per_cpu(cpu_tlbstate, cpu).state = TLBSTATE_OK; 38 x86_write_percpu(cpu_tlbstate.state, TLBSTATE_OK);
40 BUG_ON(per_cpu(cpu_tlbstate, cpu).active_mm != next); 39 BUG_ON(x86_read_percpu(cpu_tlbstate.active_mm) != next);
41 40
42 if (!cpu_test_and_set(cpu, next->cpu_vm_mask)) { 41 if (!cpu_test_and_set(cpu, next->cpu_vm_mask)) {
43 /* We were in lazy tlb mode and leave_mm disabled 42 /* We were in lazy tlb mode and leave_mm disabled
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index e38859d577a1..cb58643947b9 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -85,7 +85,9 @@
85/* AMD64 MSRs. Not complete. See the architecture manual for a more 85/* AMD64 MSRs. Not complete. See the architecture manual for a more
86 complete list. */ 86 complete list. */
87 87
88#define MSR_AMD64_PATCH_LEVEL 0x0000008b
88#define MSR_AMD64_NB_CFG 0xc001001f 89#define MSR_AMD64_NB_CFG 0xc001001f
90#define MSR_AMD64_PATCH_LOADER 0xc0010020
89#define MSR_AMD64_IBSFETCHCTL 0xc0011030 91#define MSR_AMD64_IBSFETCHCTL 0xc0011030
90#define MSR_AMD64_IBSFETCHLINAD 0xc0011031 92#define MSR_AMD64_IBSFETCHLINAD 0xc0011031
91#define MSR_AMD64_IBSFETCHPHYSAD 0xc0011032 93#define MSR_AMD64_IBSFETCHPHYSAD 0xc0011032
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index c2a812ebde89..638bf6241807 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -22,10 +22,10 @@ static inline unsigned long long native_read_tscp(unsigned int *aux)
22} 22}
23 23
24/* 24/*
25 * i386 calling convention returns 64-bit value in edx:eax, while 25 * both i386 and x86_64 returns 64-bit value in edx:eax, but gcc's "A"
26 * x86_64 returns at rax. Also, the "A" constraint does not really 26 * constraint has different meanings. For i386, "A" means exactly
27 * mean rdx:rax in x86_64, so we need specialized behaviour for each 27 * edx:eax, while for x86_64 it doesn't mean rdx:rax or edx:eax. Instead,
28 * architecture 28 * it means rax *or* rdx.
29 */ 29 */
30#ifdef CONFIG_X86_64 30#ifdef CONFIG_X86_64
31#define DECLARE_ARGS(val, low, high) unsigned low, high 31#define DECLARE_ARGS(val, low, high) unsigned low, high
@@ -85,7 +85,8 @@ static inline void native_write_msr(unsigned int msr,
85 asm volatile("wrmsr" : : "c" (msr), "a"(low), "d" (high) : "memory"); 85 asm volatile("wrmsr" : : "c" (msr), "a"(low), "d" (high) : "memory");
86} 86}
87 87
88static inline int native_write_msr_safe(unsigned int msr, 88/* Can be uninlined because referenced by paravirt */
89notrace static inline int native_write_msr_safe(unsigned int msr,
89 unsigned low, unsigned high) 90 unsigned low, unsigned high)
90{ 91{
91 int err; 92 int err;
@@ -181,10 +182,10 @@ static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p)
181} 182}
182 183
183#define rdtscl(low) \ 184#define rdtscl(low) \
184 ((low) = (u32)native_read_tsc()) 185 ((low) = (u32)__native_read_tsc())
185 186
186#define rdtscll(val) \ 187#define rdtscll(val) \
187 ((val) = native_read_tsc()) 188 ((val) = __native_read_tsc())
188 189
189#define rdpmc(counter, low, high) \ 190#define rdpmc(counter, low, high) \
190do { \ 191do { \
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 875b38edf193..a977de23cb4d 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -19,6 +19,8 @@ struct pci_sysdata {
19}; 19};
20 20
21extern int pci_routeirq; 21extern int pci_routeirq;
22extern int noioapicquirk;
23extern int noioapicreroute;
22 24
23/* scan a bus after allocating a pci_sysdata for it */ 25/* scan a bus after allocating a pci_sysdata for it */
24extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, 26extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops,
@@ -82,6 +84,8 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
82static inline void early_quirks(void) { } 84static inline void early_quirks(void) { }
83#endif 85#endif
84 86
87extern void pci_iommu_alloc(void);
88
85#endif /* __KERNEL__ */ 89#endif /* __KERNEL__ */
86 90
87#ifdef CONFIG_X86_32 91#ifdef CONFIG_X86_32
@@ -98,9 +102,9 @@ static inline void early_quirks(void) { }
98 102
99#ifdef CONFIG_NUMA 103#ifdef CONFIG_NUMA
100/* Returns the node based on pci bus */ 104/* Returns the node based on pci bus */
101static inline int __pcibus_to_node(struct pci_bus *bus) 105static inline int __pcibus_to_node(const struct pci_bus *bus)
102{ 106{
103 struct pci_sysdata *sd = bus->sysdata; 107 const struct pci_sysdata *sd = bus->sysdata;
104 108
105 return sd->node; 109 return sd->node;
106} 110}
@@ -109,6 +113,12 @@ static inline cpumask_t __pcibus_to_cpumask(struct pci_bus *bus)
109{ 113{
110 return node_to_cpumask(__pcibus_to_node(bus)); 114 return node_to_cpumask(__pcibus_to_node(bus));
111} 115}
116
117static inline const struct cpumask *
118cpumask_of_pcibus(const struct pci_bus *bus)
119{
120 return cpumask_of_node(__pcibus_to_node(bus));
121}
112#endif 122#endif
113 123
114#endif /* _ASM_X86_PCI_H */ 124#endif /* _ASM_X86_PCI_H */
diff --git a/arch/x86/include/asm/pci_64.h b/arch/x86/include/asm/pci_64.h
index d02d936840a3..4da207982777 100644
--- a/arch/x86/include/asm/pci_64.h
+++ b/arch/x86/include/asm/pci_64.h
@@ -23,7 +23,6 @@ extern int (*pci_config_write)(int seg, int bus, int dev, int fn,
23 int reg, int len, u32 value); 23 int reg, int len, u32 value);
24 24
25extern void dma32_reserve_bootmem(void); 25extern void dma32_reserve_bootmem(void);
26extern void pci_iommu_alloc(void);
27 26
28/* The PCI address space does equal the physical memory 27/* The PCI address space does equal the physical memory
29 * address space. The networking and block device layers use 28 * address space. The networking and block device layers use
diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h
index b17edfd23628..e0d199fe1d83 100644
--- a/arch/x86/include/asm/pgtable-2level.h
+++ b/arch/x86/include/asm/pgtable-2level.h
@@ -56,23 +56,55 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp)
56#define pte_none(x) (!(x).pte_low) 56#define pte_none(x) (!(x).pte_low)
57 57
58/* 58/*
59 * Bits 0, 6 and 7 are taken, split up the 29 bits of offset 59 * Bits _PAGE_BIT_PRESENT, _PAGE_BIT_FILE and _PAGE_BIT_PROTNONE are taken,
60 * into this range: 60 * split up the 29 bits of offset into this range:
61 */ 61 */
62#define PTE_FILE_MAX_BITS 29 62#define PTE_FILE_MAX_BITS 29
63#define PTE_FILE_SHIFT1 (_PAGE_BIT_PRESENT + 1)
64#if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE
65#define PTE_FILE_SHIFT2 (_PAGE_BIT_FILE + 1)
66#define PTE_FILE_SHIFT3 (_PAGE_BIT_PROTNONE + 1)
67#else
68#define PTE_FILE_SHIFT2 (_PAGE_BIT_PROTNONE + 1)
69#define PTE_FILE_SHIFT3 (_PAGE_BIT_FILE + 1)
70#endif
71#define PTE_FILE_BITS1 (PTE_FILE_SHIFT2 - PTE_FILE_SHIFT1 - 1)
72#define PTE_FILE_BITS2 (PTE_FILE_SHIFT3 - PTE_FILE_SHIFT2 - 1)
63 73
64#define pte_to_pgoff(pte) \ 74#define pte_to_pgoff(pte) \
65 ((((pte).pte_low >> 1) & 0x1f) + (((pte).pte_low >> 8) << 5)) 75 ((((pte).pte_low >> PTE_FILE_SHIFT1) \
76 & ((1U << PTE_FILE_BITS1) - 1)) \
77 + ((((pte).pte_low >> PTE_FILE_SHIFT2) \
78 & ((1U << PTE_FILE_BITS2) - 1)) << PTE_FILE_BITS1) \
79 + (((pte).pte_low >> PTE_FILE_SHIFT3) \
80 << (PTE_FILE_BITS1 + PTE_FILE_BITS2)))
66 81
67#define pgoff_to_pte(off) \ 82#define pgoff_to_pte(off) \
68 ((pte_t) { .pte_low = (((off) & 0x1f) << 1) + \ 83 ((pte_t) { .pte_low = \
69 (((off) >> 5) << 8) + _PAGE_FILE }) 84 (((off) & ((1U << PTE_FILE_BITS1) - 1)) << PTE_FILE_SHIFT1) \
85 + ((((off) >> PTE_FILE_BITS1) & ((1U << PTE_FILE_BITS2) - 1)) \
86 << PTE_FILE_SHIFT2) \
87 + (((off) >> (PTE_FILE_BITS1 + PTE_FILE_BITS2)) \
88 << PTE_FILE_SHIFT3) \
89 + _PAGE_FILE })
70 90
71/* Encode and de-code a swap entry */ 91/* Encode and de-code a swap entry */
72#define __swp_type(x) (((x).val >> 1) & 0x1f) 92#if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE
73#define __swp_offset(x) ((x).val >> 8) 93#define SWP_TYPE_BITS (_PAGE_BIT_FILE - _PAGE_BIT_PRESENT - 1)
74#define __swp_entry(type, offset) \ 94#define SWP_OFFSET_SHIFT (_PAGE_BIT_PROTNONE + 1)
75 ((swp_entry_t) { ((type) << 1) | ((offset) << 8) }) 95#else
96#define SWP_TYPE_BITS (_PAGE_BIT_PROTNONE - _PAGE_BIT_PRESENT - 1)
97#define SWP_OFFSET_SHIFT (_PAGE_BIT_FILE + 1)
98#endif
99
100#define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS)
101
102#define __swp_type(x) (((x).val >> (_PAGE_BIT_PRESENT + 1)) \
103 & ((1U << SWP_TYPE_BITS) - 1))
104#define __swp_offset(x) ((x).val >> SWP_OFFSET_SHIFT)
105#define __swp_entry(type, offset) ((swp_entry_t) { \
106 ((type) << (_PAGE_BIT_PRESENT + 1)) \
107 | ((offset) << SWP_OFFSET_SHIFT) })
76#define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_low }) 108#define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_low })
77#define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val }) 109#define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val })
78 110
diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
index 52597aeadfff..447da43cddb3 100644
--- a/arch/x86/include/asm/pgtable-3level.h
+++ b/arch/x86/include/asm/pgtable-3level.h
@@ -166,6 +166,7 @@ static inline int pte_none(pte_t pte)
166#define PTE_FILE_MAX_BITS 32 166#define PTE_FILE_MAX_BITS 32
167 167
168/* Encode and de-code a swap entry */ 168/* Encode and de-code a swap entry */
169#define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > 5)
169#define __swp_type(x) (((x).val) & 0x1f) 170#define __swp_type(x) (((x).val) & 0x1f)
170#define __swp_offset(x) ((x).val >> 5) 171#define __swp_offset(x) ((x).val >> 5)
171#define __swp_entry(type, offset) ((swp_entry_t){(type) | (offset) << 5}) 172#define __swp_entry(type, offset) ((swp_entry_t){(type) | (offset) << 5})
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index c012f3b11671..83e69f4a37f0 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -10,7 +10,6 @@
10#define _PAGE_BIT_PCD 4 /* page cache disabled */ 10#define _PAGE_BIT_PCD 4 /* page cache disabled */
11#define _PAGE_BIT_ACCESSED 5 /* was accessed (raised by CPU) */ 11#define _PAGE_BIT_ACCESSED 5 /* was accessed (raised by CPU) */
12#define _PAGE_BIT_DIRTY 6 /* was written to (raised by CPU) */ 12#define _PAGE_BIT_DIRTY 6 /* was written to (raised by CPU) */
13#define _PAGE_BIT_FILE 6
14#define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ 13#define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */
15#define _PAGE_BIT_PAT 7 /* on 4KB pages */ 14#define _PAGE_BIT_PAT 7 /* on 4KB pages */
16#define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ 15#define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */
@@ -22,6 +21,12 @@
22#define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1 21#define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1
23#define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ 22#define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */
24 23
24/* If _PAGE_BIT_PRESENT is clear, we use these: */
25/* - if the user mapped it with PROT_NONE; pte_present gives true */
26#define _PAGE_BIT_PROTNONE _PAGE_BIT_GLOBAL
27/* - set: nonlinear file mapping, saved PTE; unset:swap */
28#define _PAGE_BIT_FILE _PAGE_BIT_DIRTY
29
25#define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) 30#define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT)
26#define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW) 31#define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW)
27#define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER) 32#define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER)
@@ -46,11 +51,8 @@
46#define _PAGE_NX (_AT(pteval_t, 0)) 51#define _PAGE_NX (_AT(pteval_t, 0))
47#endif 52#endif
48 53
49/* If _PAGE_PRESENT is clear, we use these: */ 54#define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE)
50#define _PAGE_FILE _PAGE_DIRTY /* nonlinear file mapping, 55#define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE)
51 * saved PTE; unset:swap */
52#define _PAGE_PROTNONE _PAGE_PSE /* if the user mapped it with PROT_NONE;
53 pte_present gives true */
54 56
55#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ 57#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \
56 _PAGE_ACCESSED | _PAGE_DIRTY) 58 _PAGE_ACCESSED | _PAGE_DIRTY)
@@ -158,8 +160,19 @@
158#define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ 160#define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */
159#endif 161#endif
160 162
163/*
164 * Macro to mark a page protection value as UC-
165 */
166#define pgprot_noncached(prot) \
167 ((boot_cpu_data.x86 > 3) \
168 ? (__pgprot(pgprot_val(prot) | _PAGE_CACHE_UC_MINUS)) \
169 : (prot))
170
161#ifndef __ASSEMBLY__ 171#ifndef __ASSEMBLY__
162 172
173#define pgprot_writecombine pgprot_writecombine
174extern pgprot_t pgprot_writecombine(pgprot_t prot);
175
163/* 176/*
164 * ZERO_PAGE is a global shared page that is always zero: used 177 * ZERO_PAGE is a global shared page that is always zero: used
165 * for zero-mapped memory areas etc.. 178 * for zero-mapped memory areas etc..
@@ -329,6 +342,9 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
329#define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask) 342#define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask)
330 343
331#ifndef __ASSEMBLY__ 344#ifndef __ASSEMBLY__
345/* Indicate that x86 has its own track and untrack pfn vma functions */
346#define __HAVE_PFNMAP_TRACKING
347
332#define __HAVE_PHYS_MEM_ACCESS_PROT 348#define __HAVE_PHYS_MEM_ACCESS_PROT
333struct file; 349struct file;
334pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, 350pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index f9d5889b336b..72b020deb46b 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -101,15 +101,6 @@ extern unsigned long pg0[];
101#endif 101#endif
102 102
103/* 103/*
104 * Macro to mark a page protection value as "uncacheable".
105 * On processors which do not support it, this is a no-op.
106 */
107#define pgprot_noncached(prot) \
108 ((boot_cpu_data.x86 > 3) \
109 ? (__pgprot(pgprot_val(prot) | _PAGE_PCD | _PAGE_PWT)) \
110 : (prot))
111
112/*
113 * Conversion functions: convert a page and protection to a page entry, 104 * Conversion functions: convert a page and protection to a page entry,
114 * and a page entry and page directory to the page they refer to. 105 * and a page entry and page directory to the page they refer to.
115 */ 106 */
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 545a0e042bb2..ba09289accaa 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -146,7 +146,7 @@ static inline void native_pgd_clear(pgd_t *pgd)
146#define PGDIR_MASK (~(PGDIR_SIZE - 1)) 146#define PGDIR_MASK (~(PGDIR_SIZE - 1))
147 147
148 148
149#define MAXMEM _AC(0x00003fffffffffff, UL) 149#define MAXMEM _AC(__AC(1, UL) << MAX_PHYSMEM_BITS, UL)
150#define VMALLOC_START _AC(0xffffc20000000000, UL) 150#define VMALLOC_START _AC(0xffffc20000000000, UL)
151#define VMALLOC_END _AC(0xffffe1ffffffffff, UL) 151#define VMALLOC_END _AC(0xffffe1ffffffffff, UL)
152#define VMEMMAP_START _AC(0xffffe20000000000, UL) 152#define VMEMMAP_START _AC(0xffffe20000000000, UL)
@@ -177,12 +177,6 @@ static inline int pmd_bad(pmd_t pmd)
177#define pages_to_mb(x) ((x) >> (20 - PAGE_SHIFT)) /* FIXME: is this right? */ 177#define pages_to_mb(x) ((x) >> (20 - PAGE_SHIFT)) /* FIXME: is this right? */
178 178
179/* 179/*
180 * Macro to mark a page protection value as "uncacheable".
181 */
182#define pgprot_noncached(prot) \
183 (__pgprot(pgprot_val((prot)) | _PAGE_PCD | _PAGE_PWT))
184
185/*
186 * Conversion functions: convert a page and protection to a page entry, 180 * Conversion functions: convert a page and protection to a page entry,
187 * and a page entry and page directory to the page they refer to. 181 * and a page entry and page directory to the page they refer to.
188 */ 182 */
@@ -250,10 +244,22 @@ static inline int pud_large(pud_t pte)
250extern int direct_gbpages; 244extern int direct_gbpages;
251 245
252/* Encode and de-code a swap entry */ 246/* Encode and de-code a swap entry */
253#define __swp_type(x) (((x).val >> 1) & 0x3f) 247#if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE
254#define __swp_offset(x) ((x).val >> 8) 248#define SWP_TYPE_BITS (_PAGE_BIT_FILE - _PAGE_BIT_PRESENT - 1)
255#define __swp_entry(type, offset) ((swp_entry_t) { ((type) << 1) | \ 249#define SWP_OFFSET_SHIFT (_PAGE_BIT_PROTNONE + 1)
256 ((offset) << 8) }) 250#else
251#define SWP_TYPE_BITS (_PAGE_BIT_PROTNONE - _PAGE_BIT_PRESENT - 1)
252#define SWP_OFFSET_SHIFT (_PAGE_BIT_FILE + 1)
253#endif
254
255#define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS)
256
257#define __swp_type(x) (((x).val >> (_PAGE_BIT_PRESENT + 1)) \
258 & ((1U << SWP_TYPE_BITS) - 1))
259#define __swp_offset(x) ((x).val >> SWP_OFFSET_SHIFT)
260#define __swp_entry(type, offset) ((swp_entry_t) { \
261 ((type) << (_PAGE_BIT_PRESENT + 1)) \
262 | ((offset) << SWP_OFFSET_SHIFT) })
257#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val((pte)) }) 263#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val((pte)) })
258#define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val }) 264#define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val })
259 265
diff --git a/arch/x86/include/asm/prctl.h b/arch/x86/include/asm/prctl.h
index fe681147a4f7..a8894647dd9a 100644
--- a/arch/x86/include/asm/prctl.h
+++ b/arch/x86/include/asm/prctl.h
@@ -6,5 +6,8 @@
6#define ARCH_GET_FS 0x1003 6#define ARCH_GET_FS 0x1003
7#define ARCH_GET_GS 0x1004 7#define ARCH_GET_GS 0x1004
8 8
9#ifdef CONFIG_X86_64
10extern long sys_arch_prctl(int, unsigned long);
11#endif /* CONFIG_X86_64 */
9 12
10#endif /* _ASM_X86_PRCTL_H */ 13#endif /* _ASM_X86_PRCTL_H */
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 5ca01e383269..091cd8855f2e 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -110,6 +110,7 @@ struct cpuinfo_x86 {
110 /* Index into per_cpu list: */ 110 /* Index into per_cpu list: */
111 u16 cpu_index; 111 u16 cpu_index;
112#endif 112#endif
113 unsigned int x86_hyper_vendor;
113} __attribute__((__aligned__(SMP_CACHE_BYTES))); 114} __attribute__((__aligned__(SMP_CACHE_BYTES)));
114 115
115#define X86_VENDOR_INTEL 0 116#define X86_VENDOR_INTEL 0
@@ -123,6 +124,9 @@ struct cpuinfo_x86 {
123 124
124#define X86_VENDOR_UNKNOWN 0xff 125#define X86_VENDOR_UNKNOWN 0xff
125 126
127#define X86_HYPER_VENDOR_NONE 0
128#define X86_HYPER_VENDOR_VMWARE 1
129
126/* 130/*
127 * capabilities of CPUs 131 * capabilities of CPUs
128 */ 132 */
@@ -752,6 +756,19 @@ extern void switch_to_new_gdt(void);
752extern void cpu_init(void); 756extern void cpu_init(void);
753extern void init_gdt(int cpu); 757extern void init_gdt(int cpu);
754 758
759static inline unsigned long get_debugctlmsr(void)
760{
761 unsigned long debugctlmsr = 0;
762
763#ifndef CONFIG_X86_DEBUGCTLMSR
764 if (boot_cpu_data.x86 < 6)
765 return 0;
766#endif
767 rdmsrl(MSR_IA32_DEBUGCTLMSR, debugctlmsr);
768
769 return debugctlmsr;
770}
771
755static inline void update_debugctlmsr(unsigned long debugctlmsr) 772static inline void update_debugctlmsr(unsigned long debugctlmsr)
756{ 773{
757#ifndef CONFIG_X86_DEBUGCTLMSR 774#ifndef CONFIG_X86_DEBUGCTLMSR
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index eefb0594b058..6d34d954c228 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -6,7 +6,6 @@
6#include <asm/processor-flags.h> 6#include <asm/processor-flags.h>
7 7
8#ifdef __KERNEL__ 8#ifdef __KERNEL__
9#include <asm/ds.h> /* the DS BTS struct is used for ptrace too */
10#include <asm/segment.h> 9#include <asm/segment.h>
11#endif 10#endif
12 11
@@ -128,34 +127,6 @@ struct pt_regs {
128#endif /* !__i386__ */ 127#endif /* !__i386__ */
129 128
130 129
131#ifdef CONFIG_X86_PTRACE_BTS
132/* a branch trace record entry
133 *
134 * In order to unify the interface between various processor versions,
135 * we use the below data structure for all processors.
136 */
137enum bts_qualifier {
138 BTS_INVALID = 0,
139 BTS_BRANCH,
140 BTS_TASK_ARRIVES,
141 BTS_TASK_DEPARTS
142};
143
144struct bts_struct {
145 __u64 qualifier;
146 union {
147 /* BTS_BRANCH */
148 struct {
149 __u64 from_ip;
150 __u64 to_ip;
151 } lbr;
152 /* BTS_TASK_ARRIVES or
153 BTS_TASK_DEPARTS */
154 __u64 jiffies;
155 } variant;
156};
157#endif /* CONFIG_X86_PTRACE_BTS */
158
159#ifdef __KERNEL__ 130#ifdef __KERNEL__
160 131
161#include <linux/init.h> 132#include <linux/init.h>
@@ -163,13 +134,6 @@ struct bts_struct {
163struct cpuinfo_x86; 134struct cpuinfo_x86;
164struct task_struct; 135struct task_struct;
165 136
166#ifdef CONFIG_X86_PTRACE_BTS
167extern void __cpuinit ptrace_bts_init_intel(struct cpuinfo_x86 *);
168extern void ptrace_bts_take_timestamp(struct task_struct *, enum bts_qualifier);
169#else
170#define ptrace_bts_init_intel(config) do {} while (0)
171#endif /* CONFIG_X86_PTRACE_BTS */
172
173extern unsigned long profile_pc(struct pt_regs *regs); 137extern unsigned long profile_pc(struct pt_regs *regs);
174 138
175extern unsigned long 139extern unsigned long
@@ -271,6 +235,13 @@ extern int do_get_thread_area(struct task_struct *p, int idx,
271extern int do_set_thread_area(struct task_struct *p, int idx, 235extern int do_set_thread_area(struct task_struct *p, int idx,
272 struct user_desc __user *info, int can_allocate); 236 struct user_desc __user *info, int can_allocate);
273 237
238extern void x86_ptrace_untrace(struct task_struct *);
239extern void x86_ptrace_fork(struct task_struct *child,
240 unsigned long clone_flags);
241
242#define arch_ptrace_untrace(tsk) x86_ptrace_untrace(tsk)
243#define arch_ptrace_fork(child, flags) x86_ptrace_fork(child, flags)
244
274#endif /* __KERNEL__ */ 245#endif /* __KERNEL__ */
275 246
276#endif /* !__ASSEMBLY__ */ 247#endif /* !__ASSEMBLY__ */
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 294daeb3a006..4fcd53fd5f43 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -8,6 +8,10 @@
8/* Interrupt control for vSMPowered x86_64 systems */ 8/* Interrupt control for vSMPowered x86_64 systems */
9void vsmp_init(void); 9void vsmp_init(void);
10 10
11
12void setup_bios_corruption_check(void);
13
14
11#ifdef CONFIG_X86_VISWS 15#ifdef CONFIG_X86_VISWS
12extern void visws_early_detect(void); 16extern void visws_early_detect(void);
13extern int is_visws_box(void); 17extern int is_visws_box(void);
diff --git a/arch/x86/include/asm/sigframe.h b/arch/x86/include/asm/sigframe.h
new file mode 100644
index 000000000000..4e0fe26d27d3
--- /dev/null
+++ b/arch/x86/include/asm/sigframe.h
@@ -0,0 +1,70 @@
1#ifndef _ASM_X86_SIGFRAME_H
2#define _ASM_X86_SIGFRAME_H
3
4#include <asm/sigcontext.h>
5#include <asm/siginfo.h>
6#include <asm/ucontext.h>
7
8#ifdef CONFIG_X86_32
9#define sigframe_ia32 sigframe
10#define rt_sigframe_ia32 rt_sigframe
11#define sigcontext_ia32 sigcontext
12#define _fpstate_ia32 _fpstate
13#define ucontext_ia32 ucontext
14#else /* !CONFIG_X86_32 */
15
16#ifdef CONFIG_IA32_EMULATION
17#include <asm/ia32.h>
18#endif /* CONFIG_IA32_EMULATION */
19
20#endif /* CONFIG_X86_32 */
21
22#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
23struct sigframe_ia32 {
24 u32 pretcode;
25 int sig;
26 struct sigcontext_ia32 sc;
27 /*
28 * fpstate is unused. fpstate is moved/allocated after
29 * retcode[] below. This movement allows to have the FP state and the
30 * future state extensions (xsave) stay together.
31 * And at the same time retaining the unused fpstate, prevents changing
32 * the offset of extramask[] in the sigframe and thus prevent any
33 * legacy application accessing/modifying it.
34 */
35 struct _fpstate_ia32 fpstate_unused;
36#ifdef CONFIG_IA32_EMULATION
37 unsigned int extramask[_COMPAT_NSIG_WORDS-1];
38#else /* !CONFIG_IA32_EMULATION */
39 unsigned long extramask[_NSIG_WORDS-1];
40#endif /* CONFIG_IA32_EMULATION */
41 char retcode[8];
42 /* fp state follows here */
43};
44
45struct rt_sigframe_ia32 {
46 u32 pretcode;
47 int sig;
48 u32 pinfo;
49 u32 puc;
50#ifdef CONFIG_IA32_EMULATION
51 compat_siginfo_t info;
52#else /* !CONFIG_IA32_EMULATION */
53 struct siginfo info;
54#endif /* CONFIG_IA32_EMULATION */
55 struct ucontext_ia32 uc;
56 char retcode[8];
57 /* fp state follows here */
58};
59#endif /* defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) */
60
61#ifdef CONFIG_X86_64
62struct rt_sigframe {
63 char __user *pretcode;
64 struct ucontext uc;
65 struct siginfo info;
66 /* fp state follows here */
67};
68#endif /* CONFIG_X86_64 */
69
70#endif /* _ASM_X86_SIGFRAME_H */
diff --git a/arch/x86/include/asm/signal.h b/arch/x86/include/asm/signal.h
index 96ac44f275da..7761a5d554bb 100644
--- a/arch/x86/include/asm/signal.h
+++ b/arch/x86/include/asm/signal.h
@@ -121,6 +121,10 @@ typedef unsigned long sigset_t;
121 121
122#ifndef __ASSEMBLY__ 122#ifndef __ASSEMBLY__
123 123
124# ifdef __KERNEL__
125extern void do_notify_resume(struct pt_regs *, void *, __u32);
126# endif /* __KERNEL__ */
127
124#ifdef __i386__ 128#ifdef __i386__
125# ifdef __KERNEL__ 129# ifdef __KERNEL__
126struct old_sigaction { 130struct old_sigaction {
@@ -141,8 +145,6 @@ struct k_sigaction {
141 struct sigaction sa; 145 struct sigaction sa;
142}; 146};
143 147
144extern void do_notify_resume(struct pt_regs *, void *, __u32);
145
146# else /* __KERNEL__ */ 148# else /* __KERNEL__ */
147/* Here we must cater to libcs that poke about in kernel headers. */ 149/* Here we must cater to libcs that poke about in kernel headers. */
148 150
diff --git a/arch/x86/include/asm/sparsemem.h b/arch/x86/include/asm/sparsemem.h
index be44f7dab395..e3cc3c063ec5 100644
--- a/arch/x86/include/asm/sparsemem.h
+++ b/arch/x86/include/asm/sparsemem.h
@@ -27,7 +27,7 @@
27#else /* CONFIG_X86_32 */ 27#else /* CONFIG_X86_32 */
28# define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */ 28# define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */
29# define MAX_PHYSADDR_BITS 44 29# define MAX_PHYSADDR_BITS 44
30# define MAX_PHYSMEM_BITS 44 30# define MAX_PHYSMEM_BITS 44 /* Can be max 45 bits */
31#endif 31#endif
32 32
33#endif /* CONFIG_SPARSEMEM */ 33#endif /* CONFIG_SPARSEMEM */
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h
index 87803da44010..9c6797c3e56c 100644
--- a/arch/x86/include/asm/syscalls.h
+++ b/arch/x86/include/asm/syscalls.h
@@ -19,6 +19,13 @@
19/* kernel/ioport.c */ 19/* kernel/ioport.c */
20asmlinkage long sys_ioperm(unsigned long, unsigned long, int); 20asmlinkage long sys_ioperm(unsigned long, unsigned long, int);
21 21
22/* kernel/ldt.c */
23asmlinkage int sys_modify_ldt(int, void __user *, unsigned long);
24
25/* kernel/tls.c */
26asmlinkage int sys_set_thread_area(struct user_desc __user *);
27asmlinkage int sys_get_thread_area(struct user_desc __user *);
28
22/* X86_32 only */ 29/* X86_32 only */
23#ifdef CONFIG_X86_32 30#ifdef CONFIG_X86_32
24/* kernel/process_32.c */ 31/* kernel/process_32.c */
@@ -33,14 +40,11 @@ asmlinkage int sys_sigaction(int, const struct old_sigaction __user *,
33 struct old_sigaction __user *); 40 struct old_sigaction __user *);
34asmlinkage int sys_sigaltstack(unsigned long); 41asmlinkage int sys_sigaltstack(unsigned long);
35asmlinkage unsigned long sys_sigreturn(unsigned long); 42asmlinkage unsigned long sys_sigreturn(unsigned long);
36asmlinkage int sys_rt_sigreturn(unsigned long); 43asmlinkage int sys_rt_sigreturn(struct pt_regs);
37 44
38/* kernel/ioport.c */ 45/* kernel/ioport.c */
39asmlinkage long sys_iopl(unsigned long); 46asmlinkage long sys_iopl(unsigned long);
40 47
41/* kernel/ldt.c */
42asmlinkage int sys_modify_ldt(int, void __user *, unsigned long);
43
44/* kernel/sys_i386_32.c */ 48/* kernel/sys_i386_32.c */
45asmlinkage long sys_mmap2(unsigned long, unsigned long, unsigned long, 49asmlinkage long sys_mmap2(unsigned long, unsigned long, unsigned long,
46 unsigned long, unsigned long, unsigned long); 50 unsigned long, unsigned long, unsigned long);
@@ -54,10 +58,6 @@ asmlinkage int sys_uname(struct old_utsname __user *);
54struct oldold_utsname; 58struct oldold_utsname;
55asmlinkage int sys_olduname(struct oldold_utsname __user *); 59asmlinkage int sys_olduname(struct oldold_utsname __user *);
56 60
57/* kernel/tls.c */
58asmlinkage int sys_set_thread_area(struct user_desc __user *);
59asmlinkage int sys_get_thread_area(struct user_desc __user *);
60
61/* kernel/vm86_32.c */ 61/* kernel/vm86_32.c */
62asmlinkage int sys_vm86old(struct pt_regs); 62asmlinkage int sys_vm86old(struct pt_regs);
63asmlinkage int sys_vm86(struct pt_regs); 63asmlinkage int sys_vm86(struct pt_regs);
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
index 07c3e4048991..8e626ea33a1a 100644
--- a/arch/x86/include/asm/system.h
+++ b/arch/x86/include/asm/system.h
@@ -17,12 +17,12 @@
17# define AT_VECTOR_SIZE_ARCH 1 17# define AT_VECTOR_SIZE_ARCH 1
18#endif 18#endif
19 19
20#ifdef CONFIG_X86_32
21
22struct task_struct; /* one of the stranger aspects of C forward declarations */ 20struct task_struct; /* one of the stranger aspects of C forward declarations */
23struct task_struct *__switch_to(struct task_struct *prev, 21struct task_struct *__switch_to(struct task_struct *prev,
24 struct task_struct *next); 22 struct task_struct *next);
25 23
24#ifdef CONFIG_X86_32
25
26/* 26/*
27 * Saving eflags is important. It switches not only IOPL between tasks, 27 * Saving eflags is important. It switches not only IOPL between tasks,
28 * it also protects other tasks from NT leaking through sysenter etc. 28 * it also protects other tasks from NT leaking through sysenter etc.
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 0921b4018c11..98789647baa9 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -26,7 +26,7 @@ struct exec_domain;
26struct thread_info { 26struct thread_info {
27 struct task_struct *task; /* main task structure */ 27 struct task_struct *task; /* main task structure */
28 struct exec_domain *exec_domain; /* execution domain */ 28 struct exec_domain *exec_domain; /* execution domain */
29 unsigned long flags; /* low level flags */ 29 __u32 flags; /* low level flags */
30 __u32 status; /* thread synchronous flags */ 30 __u32 status; /* thread synchronous flags */
31 __u32 cpu; /* current CPU */ 31 __u32 cpu; /* current CPU */
32 int preempt_count; /* 0 => preemptable, 32 int preempt_count; /* 0 => preemptable,
@@ -93,7 +93,6 @@ struct thread_info {
93#define TIF_FORCED_TF 24 /* true if TF in eflags artificially */ 93#define TIF_FORCED_TF 24 /* true if TF in eflags artificially */
94#define TIF_DEBUGCTLMSR 25 /* uses thread_struct.debugctlmsr */ 94#define TIF_DEBUGCTLMSR 25 /* uses thread_struct.debugctlmsr */
95#define TIF_DS_AREA_MSR 26 /* uses thread_struct.ds_area_msr */ 95#define TIF_DS_AREA_MSR 26 /* uses thread_struct.ds_area_msr */
96#define TIF_BTS_TRACE_TS 27 /* record scheduling event timestamps */
97 96
98#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) 97#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
99#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) 98#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
@@ -115,7 +114,6 @@ struct thread_info {
115#define _TIF_FORCED_TF (1 << TIF_FORCED_TF) 114#define _TIF_FORCED_TF (1 << TIF_FORCED_TF)
116#define _TIF_DEBUGCTLMSR (1 << TIF_DEBUGCTLMSR) 115#define _TIF_DEBUGCTLMSR (1 << TIF_DEBUGCTLMSR)
117#define _TIF_DS_AREA_MSR (1 << TIF_DS_AREA_MSR) 116#define _TIF_DS_AREA_MSR (1 << TIF_DS_AREA_MSR)
118#define _TIF_BTS_TRACE_TS (1 << TIF_BTS_TRACE_TS)
119 117
120/* work to do in syscall_trace_enter() */ 118/* work to do in syscall_trace_enter() */
121#define _TIF_WORK_SYSCALL_ENTRY \ 119#define _TIF_WORK_SYSCALL_ENTRY \
@@ -141,8 +139,7 @@ struct thread_info {
141 139
142/* flags to check in __switch_to() */ 140/* flags to check in __switch_to() */
143#define _TIF_WORK_CTXSW \ 141#define _TIF_WORK_CTXSW \
144 (_TIF_IO_BITMAP|_TIF_DEBUGCTLMSR|_TIF_DS_AREA_MSR|_TIF_BTS_TRACE_TS| \ 142 (_TIF_IO_BITMAP|_TIF_DEBUGCTLMSR|_TIF_DS_AREA_MSR|_TIF_NOTSC)
145 _TIF_NOTSC)
146 143
147#define _TIF_WORK_CTXSW_PREV _TIF_WORK_CTXSW 144#define _TIF_WORK_CTXSW_PREV _TIF_WORK_CTXSW
148#define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW|_TIF_DEBUG) 145#define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW|_TIF_DEBUG)
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 79e31e9dcdda..4e2f2e0aab27 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -61,13 +61,19 @@ static inline int cpu_to_node(int cpu)
61 * 61 *
62 * Side note: this function creates the returned cpumask on the stack 62 * Side note: this function creates the returned cpumask on the stack
63 * so with a high NR_CPUS count, excessive stack space is used. The 63 * so with a high NR_CPUS count, excessive stack space is used. The
64 * node_to_cpumask_ptr function should be used whenever possible. 64 * cpumask_of_node function should be used whenever possible.
65 */ 65 */
66static inline cpumask_t node_to_cpumask(int node) 66static inline cpumask_t node_to_cpumask(int node)
67{ 67{
68 return node_to_cpumask_map[node]; 68 return node_to_cpumask_map[node];
69} 69}
70 70
71/* Returns a bitmask of CPUs on Node 'node'. */
72static inline const struct cpumask *cpumask_of_node(int node)
73{
74 return &node_to_cpumask_map[node];
75}
76
71#else /* CONFIG_X86_64 */ 77#else /* CONFIG_X86_64 */
72 78
73/* Mappings between node number and cpus on that node. */ 79/* Mappings between node number and cpus on that node. */
@@ -82,7 +88,7 @@ DECLARE_EARLY_PER_CPU(int, x86_cpu_to_node_map);
82#ifdef CONFIG_DEBUG_PER_CPU_MAPS 88#ifdef CONFIG_DEBUG_PER_CPU_MAPS
83extern int cpu_to_node(int cpu); 89extern int cpu_to_node(int cpu);
84extern int early_cpu_to_node(int cpu); 90extern int early_cpu_to_node(int cpu);
85extern const cpumask_t *_node_to_cpumask_ptr(int node); 91extern const cpumask_t *cpumask_of_node(int node);
86extern cpumask_t node_to_cpumask(int node); 92extern cpumask_t node_to_cpumask(int node);
87 93
88#else /* !CONFIG_DEBUG_PER_CPU_MAPS */ 94#else /* !CONFIG_DEBUG_PER_CPU_MAPS */
@@ -103,7 +109,7 @@ static inline int early_cpu_to_node(int cpu)
103} 109}
104 110
105/* Returns a pointer to the cpumask of CPUs on Node 'node'. */ 111/* Returns a pointer to the cpumask of CPUs on Node 'node'. */
106static inline const cpumask_t *_node_to_cpumask_ptr(int node) 112static inline const cpumask_t *cpumask_of_node(int node)
107{ 113{
108 return &node_to_cpumask_map[node]; 114 return &node_to_cpumask_map[node];
109} 115}
@@ -116,12 +122,15 @@ static inline cpumask_t node_to_cpumask(int node)
116 122
117#endif /* !CONFIG_DEBUG_PER_CPU_MAPS */ 123#endif /* !CONFIG_DEBUG_PER_CPU_MAPS */
118 124
119/* Replace default node_to_cpumask_ptr with optimized version */ 125/*
126 * Replace default node_to_cpumask_ptr with optimized version
127 * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)"
128 */
120#define node_to_cpumask_ptr(v, node) \ 129#define node_to_cpumask_ptr(v, node) \
121 const cpumask_t *v = _node_to_cpumask_ptr(node) 130 const cpumask_t *v = cpumask_of_node(node)
122 131
123#define node_to_cpumask_ptr_next(v, node) \ 132#define node_to_cpumask_ptr_next(v, node) \
124 v = _node_to_cpumask_ptr(node) 133 v = cpumask_of_node(node)
125 134
126#endif /* CONFIG_X86_64 */ 135#endif /* CONFIG_X86_64 */
127 136
@@ -187,7 +196,7 @@ extern int __node_distance(int, int);
187#define cpu_to_node(cpu) 0 196#define cpu_to_node(cpu) 0
188#define early_cpu_to_node(cpu) 0 197#define early_cpu_to_node(cpu) 0
189 198
190static inline const cpumask_t *_node_to_cpumask_ptr(int node) 199static inline const cpumask_t *cpumask_of_node(int node)
191{ 200{
192 return &cpu_online_map; 201 return &cpu_online_map;
193} 202}
@@ -200,12 +209,15 @@ static inline int node_to_first_cpu(int node)
200 return first_cpu(cpu_online_map); 209 return first_cpu(cpu_online_map);
201} 210}
202 211
203/* Replace default node_to_cpumask_ptr with optimized version */ 212/*
213 * Replace default node_to_cpumask_ptr with optimized version
214 * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)"
215 */
204#define node_to_cpumask_ptr(v, node) \ 216#define node_to_cpumask_ptr(v, node) \
205 const cpumask_t *v = _node_to_cpumask_ptr(node) 217 const cpumask_t *v = cpumask_of_node(node)
206 218
207#define node_to_cpumask_ptr_next(v, node) \ 219#define node_to_cpumask_ptr_next(v, node) \
208 v = _node_to_cpumask_ptr(node) 220 v = cpumask_of_node(node)
209#endif 221#endif
210 222
211#include <asm-generic/topology.h> 223#include <asm-generic/topology.h>
@@ -214,12 +226,12 @@ static inline int node_to_first_cpu(int node)
214/* Returns the number of the first CPU on Node 'node'. */ 226/* Returns the number of the first CPU on Node 'node'. */
215static inline int node_to_first_cpu(int node) 227static inline int node_to_first_cpu(int node)
216{ 228{
217 node_to_cpumask_ptr(mask, node); 229 return cpumask_first(cpumask_of_node(node));
218 return first_cpu(*mask);
219} 230}
220#endif 231#endif
221 232
222extern cpumask_t cpu_coregroup_map(int cpu); 233extern cpumask_t cpu_coregroup_map(int cpu);
234extern const struct cpumask *cpu_coregroup_mask(int cpu);
223 235
224#ifdef ENABLE_TOPO_DEFINES 236#ifdef ENABLE_TOPO_DEFINES
225#define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id) 237#define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id)
diff --git a/arch/x86/include/asm/trampoline.h b/arch/x86/include/asm/trampoline.h
index fa0d79facdbc..780ba0ab94f9 100644
--- a/arch/x86/include/asm/trampoline.h
+++ b/arch/x86/include/asm/trampoline.h
@@ -3,6 +3,7 @@
3 3
4#ifndef __ASSEMBLY__ 4#ifndef __ASSEMBLY__
5 5
6#ifdef CONFIG_X86_TRAMPOLINE
6/* 7/*
7 * Trampoline 80x86 program as an array. 8 * Trampoline 80x86 program as an array.
8 */ 9 */
@@ -13,8 +14,14 @@ extern unsigned char *trampoline_base;
13extern unsigned long init_rsp; 14extern unsigned long init_rsp;
14extern unsigned long initial_code; 15extern unsigned long initial_code;
15 16
17#define TRAMPOLINE_SIZE roundup(trampoline_end - trampoline_data, PAGE_SIZE)
16#define TRAMPOLINE_BASE 0x6000 18#define TRAMPOLINE_BASE 0x6000
19
17extern unsigned long setup_trampoline(void); 20extern unsigned long setup_trampoline(void);
21extern void __init reserve_trampoline_memory(void);
22#else
23static inline void reserve_trampoline_memory(void) {};
24#endif /* CONFIG_X86_TRAMPOLINE */
18 25
19#endif /* __ASSEMBLY__ */ 26#endif /* __ASSEMBLY__ */
20 27
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 45dee286e45c..2ee0a3bceedf 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -46,6 +46,10 @@ dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long);
46dotraplinkage void do_invalid_TSS(struct pt_regs *, long); 46dotraplinkage void do_invalid_TSS(struct pt_regs *, long);
47dotraplinkage void do_segment_not_present(struct pt_regs *, long); 47dotraplinkage void do_segment_not_present(struct pt_regs *, long);
48dotraplinkage void do_stack_segment(struct pt_regs *, long); 48dotraplinkage void do_stack_segment(struct pt_regs *, long);
49#ifdef CONFIG_X86_64
50dotraplinkage void do_double_fault(struct pt_regs *, long);
51asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *);
52#endif
49dotraplinkage void do_general_protection(struct pt_regs *, long); 53dotraplinkage void do_general_protection(struct pt_regs *, long);
50dotraplinkage void do_page_fault(struct pt_regs *, unsigned long); 54dotraplinkage void do_page_fault(struct pt_regs *, unsigned long);
51dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long); 55dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long);
@@ -72,10 +76,13 @@ static inline int get_si_code(unsigned long condition)
72extern int panic_on_unrecovered_nmi; 76extern int panic_on_unrecovered_nmi;
73extern int kstack_depth_to_print; 77extern int kstack_depth_to_print;
74 78
75#ifdef CONFIG_X86_32
76void math_error(void __user *); 79void math_error(void __user *);
77unsigned long patch_espfix_desc(unsigned long, unsigned long);
78asmlinkage void math_emulate(long); 80asmlinkage void math_emulate(long);
81#ifdef CONFIG_X86_32
82unsigned long patch_espfix_desc(unsigned long, unsigned long);
83#else
84asmlinkage void smp_thermal_interrupt(void);
85asmlinkage void mce_threshold_interrupt(void);
79#endif 86#endif
80 87
81#endif /* _ASM_X86_TRAPS_H */ 88#endif /* _ASM_X86_TRAPS_H */
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index 9cd83a8e40d5..38ae163cc91b 100644
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -34,8 +34,6 @@ static inline cycles_t get_cycles(void)
34 34
35static __always_inline cycles_t vget_cycles(void) 35static __always_inline cycles_t vget_cycles(void)
36{ 36{
37 cycles_t cycles;
38
39 /* 37 /*
40 * We only do VDSOs on TSC capable CPUs, so this shouldnt 38 * We only do VDSOs on TSC capable CPUs, so this shouldnt
41 * access boot_cpu_data (which is not VDSO-safe): 39 * access boot_cpu_data (which is not VDSO-safe):
@@ -44,11 +42,7 @@ static __always_inline cycles_t vget_cycles(void)
44 if (!cpu_has_tsc) 42 if (!cpu_has_tsc)
45 return 0; 43 return 0;
46#endif 44#endif
47 rdtsc_barrier(); 45 return (cycles_t)__native_read_tsc();
48 cycles = (cycles_t)__native_read_tsc();
49 rdtsc_barrier();
50
51 return cycles;
52} 46}
53 47
54extern void tsc_init(void); 48extern void tsc_init(void);
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index 99192bb55a53..4340055b7559 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -352,14 +352,14 @@ do { \
352 352
353#define __put_user_nocheck(x, ptr, size) \ 353#define __put_user_nocheck(x, ptr, size) \
354({ \ 354({ \
355 long __pu_err; \ 355 int __pu_err; \
356 __put_user_size((x), (ptr), (size), __pu_err, -EFAULT); \ 356 __put_user_size((x), (ptr), (size), __pu_err, -EFAULT); \
357 __pu_err; \ 357 __pu_err; \
358}) 358})
359 359
360#define __get_user_nocheck(x, ptr, size) \ 360#define __get_user_nocheck(x, ptr, size) \
361({ \ 361({ \
362 long __gu_err; \ 362 int __gu_err; \
363 unsigned long __gu_val; \ 363 unsigned long __gu_val; \
364 __get_user_size(__gu_val, (ptr), (size), __gu_err, -EFAULT); \ 364 __get_user_size(__gu_val, (ptr), (size), __gu_err, -EFAULT); \
365 (x) = (__force __typeof__(*(ptr)))__gu_val; \ 365 (x) = (__force __typeof__(*(ptr)))__gu_val; \
diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h
index d931d3b7e6f7..7ed17ff502b9 100644
--- a/arch/x86/include/asm/uv/bios.h
+++ b/arch/x86/include/asm/uv/bios.h
@@ -32,13 +32,18 @@
32enum uv_bios_cmd { 32enum uv_bios_cmd {
33 UV_BIOS_COMMON, 33 UV_BIOS_COMMON,
34 UV_BIOS_GET_SN_INFO, 34 UV_BIOS_GET_SN_INFO,
35 UV_BIOS_FREQ_BASE 35 UV_BIOS_FREQ_BASE,
36 UV_BIOS_WATCHLIST_ALLOC,
37 UV_BIOS_WATCHLIST_FREE,
38 UV_BIOS_MEMPROTECT,
39 UV_BIOS_GET_PARTITION_ADDR
36}; 40};
37 41
38/* 42/*
39 * Status values returned from a BIOS call. 43 * Status values returned from a BIOS call.
40 */ 44 */
41enum { 45enum {
46 BIOS_STATUS_MORE_PASSES = 1,
42 BIOS_STATUS_SUCCESS = 0, 47 BIOS_STATUS_SUCCESS = 0,
43 BIOS_STATUS_UNIMPLEMENTED = -ENOSYS, 48 BIOS_STATUS_UNIMPLEMENTED = -ENOSYS,
44 BIOS_STATUS_EINVAL = -EINVAL, 49 BIOS_STATUS_EINVAL = -EINVAL,
@@ -71,6 +76,21 @@ union partition_info_u {
71 }; 76 };
72}; 77};
73 78
79union uv_watchlist_u {
80 u64 val;
81 struct {
82 u64 blade : 16,
83 size : 32,
84 filler : 16;
85 };
86};
87
88enum uv_memprotect {
89 UV_MEMPROT_RESTRICT_ACCESS,
90 UV_MEMPROT_ALLOW_AMO,
91 UV_MEMPROT_ALLOW_RW
92};
93
74/* 94/*
75 * bios calls have 6 parameters 95 * bios calls have 6 parameters
76 */ 96 */
@@ -80,14 +100,20 @@ extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64);
80 100
81extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *); 101extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *);
82extern s64 uv_bios_freq_base(u64, u64 *); 102extern s64 uv_bios_freq_base(u64, u64 *);
103extern int uv_bios_mq_watchlist_alloc(int, unsigned long, unsigned int,
104 unsigned long *);
105extern int uv_bios_mq_watchlist_free(int, int);
106extern s64 uv_bios_change_memprotect(u64, u64, enum uv_memprotect);
107extern s64 uv_bios_reserved_page_pa(u64, u64 *, u64 *, u64 *);
83 108
84extern void uv_bios_init(void); 109extern void uv_bios_init(void);
85 110
111extern unsigned long sn_rtc_cycles_per_second;
86extern int uv_type; 112extern int uv_type;
87extern long sn_partition_id; 113extern long sn_partition_id;
88extern long uv_coherency_id; 114extern long sn_coherency_id;
89extern long uv_region_size; 115extern long sn_region_size;
90#define partition_coherence_id() (uv_coherency_id) 116#define partition_coherence_id() (sn_coherency_id)
91 117
92extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */ 118extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */
93 119
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 7a5782610b2b..777327ef05c1 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -113,25 +113,37 @@
113 */ 113 */
114#define UV_MAX_NASID_VALUE (UV_MAX_NUMALINK_NODES * 2) 114#define UV_MAX_NASID_VALUE (UV_MAX_NUMALINK_NODES * 2)
115 115
116struct uv_scir_s {
117 struct timer_list timer;
118 unsigned long offset;
119 unsigned long last;
120 unsigned long idle_on;
121 unsigned long idle_off;
122 unsigned char state;
123 unsigned char enabled;
124};
125
116/* 126/*
117 * The following defines attributes of the HUB chip. These attributes are 127 * The following defines attributes of the HUB chip. These attributes are
118 * frequently referenced and are kept in the per-cpu data areas of each cpu. 128 * frequently referenced and are kept in the per-cpu data areas of each cpu.
119 * They are kept together in a struct to minimize cache misses. 129 * They are kept together in a struct to minimize cache misses.
120 */ 130 */
121struct uv_hub_info_s { 131struct uv_hub_info_s {
122 unsigned long global_mmr_base; 132 unsigned long global_mmr_base;
123 unsigned long gpa_mask; 133 unsigned long gpa_mask;
124 unsigned long gnode_upper; 134 unsigned long gnode_upper;
125 unsigned long lowmem_remap_top; 135 unsigned long lowmem_remap_top;
126 unsigned long lowmem_remap_base; 136 unsigned long lowmem_remap_base;
127 unsigned short pnode; 137 unsigned short pnode;
128 unsigned short pnode_mask; 138 unsigned short pnode_mask;
129 unsigned short coherency_domain_number; 139 unsigned short coherency_domain_number;
130 unsigned short numa_blade_id; 140 unsigned short numa_blade_id;
131 unsigned char blade_processor_id; 141 unsigned char blade_processor_id;
132 unsigned char m_val; 142 unsigned char m_val;
133 unsigned char n_val; 143 unsigned char n_val;
144 struct uv_scir_s scir;
134}; 145};
146
135DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info); 147DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
136#define uv_hub_info (&__get_cpu_var(__uv_hub_info)) 148#define uv_hub_info (&__get_cpu_var(__uv_hub_info))
137#define uv_cpu_hub_info(cpu) (&per_cpu(__uv_hub_info, cpu)) 149#define uv_cpu_hub_info(cpu) (&per_cpu(__uv_hub_info, cpu))
@@ -163,6 +175,30 @@ DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
163 175
164#define UV_APIC_PNODE_SHIFT 6 176#define UV_APIC_PNODE_SHIFT 6
165 177
178/* Local Bus from cpu's perspective */
179#define LOCAL_BUS_BASE 0x1c00000
180#define LOCAL_BUS_SIZE (4 * 1024 * 1024)
181
182/*
183 * System Controller Interface Reg
184 *
185 * Note there are NO leds on a UV system. This register is only
186 * used by the system controller to monitor system-wide operation.
187 * There are 64 regs per node. With Nahelem cpus (2 cores per node,
188 * 8 cpus per core, 2 threads per cpu) there are 32 cpu threads on
189 * a node.
190 *
191 * The window is located at top of ACPI MMR space
192 */
193#define SCIR_WINDOW_COUNT 64
194#define SCIR_LOCAL_MMR_BASE (LOCAL_BUS_BASE + \
195 LOCAL_BUS_SIZE - \
196 SCIR_WINDOW_COUNT)
197
198#define SCIR_CPU_HEARTBEAT 0x01 /* timer interrupt */
199#define SCIR_CPU_ACTIVITY 0x02 /* not idle */
200#define SCIR_CPU_HB_INTERVAL (HZ) /* once per second */
201
166/* 202/*
167 * Macros for converting between kernel virtual addresses, socket local physical 203 * Macros for converting between kernel virtual addresses, socket local physical
168 * addresses, and UV global physical addresses. 204 * addresses, and UV global physical addresses.
@@ -174,7 +210,7 @@ DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
174static inline unsigned long uv_soc_phys_ram_to_gpa(unsigned long paddr) 210static inline unsigned long uv_soc_phys_ram_to_gpa(unsigned long paddr)
175{ 211{
176 if (paddr < uv_hub_info->lowmem_remap_top) 212 if (paddr < uv_hub_info->lowmem_remap_top)
177 paddr += uv_hub_info->lowmem_remap_base; 213 paddr |= uv_hub_info->lowmem_remap_base;
178 return paddr | uv_hub_info->gnode_upper; 214 return paddr | uv_hub_info->gnode_upper;
179} 215}
180 216
@@ -182,19 +218,7 @@ static inline unsigned long uv_soc_phys_ram_to_gpa(unsigned long paddr)
182/* socket virtual --> UV global physical address */ 218/* socket virtual --> UV global physical address */
183static inline unsigned long uv_gpa(void *v) 219static inline unsigned long uv_gpa(void *v)
184{ 220{
185 return __pa(v) | uv_hub_info->gnode_upper; 221 return uv_soc_phys_ram_to_gpa(__pa(v));
186}
187
188/* socket virtual --> UV global physical address */
189static inline void *uv_vgpa(void *v)
190{
191 return (void *)uv_gpa(v);
192}
193
194/* UV global physical address --> socket virtual */
195static inline void *uv_va(unsigned long gpa)
196{
197 return __va(gpa & uv_hub_info->gpa_mask);
198} 222}
199 223
200/* pnode, offset --> socket virtual */ 224/* pnode, offset --> socket virtual */
@@ -277,6 +301,16 @@ static inline void uv_write_local_mmr(unsigned long offset, unsigned long val)
277 *uv_local_mmr_address(offset) = val; 301 *uv_local_mmr_address(offset) = val;
278} 302}
279 303
304static inline unsigned char uv_read_local_mmr8(unsigned long offset)
305{
306 return *((unsigned char *)uv_local_mmr_address(offset));
307}
308
309static inline void uv_write_local_mmr8(unsigned long offset, unsigned char val)
310{
311 *((unsigned char *)uv_local_mmr_address(offset)) = val;
312}
313
280/* 314/*
281 * Structures and definitions for converting between cpu, node, pnode, and blade 315 * Structures and definitions for converting between cpu, node, pnode, and blade
282 * numbers. 316 * numbers.
@@ -351,5 +385,20 @@ static inline int uv_num_possible_blades(void)
351 return uv_possible_blades; 385 return uv_possible_blades;
352} 386}
353 387
354#endif /* _ASM_X86_UV_UV_HUB_H */ 388/* Update SCIR state */
389static inline void uv_set_scir_bits(unsigned char value)
390{
391 if (uv_hub_info->scir.state != value) {
392 uv_hub_info->scir.state = value;
393 uv_write_local_mmr8(uv_hub_info->scir.offset, value);
394 }
395}
396static inline void uv_set_cpu_scir_bits(int cpu, unsigned char value)
397{
398 if (uv_cpu_hub_info(cpu)->scir.state != value) {
399 uv_cpu_hub_info(cpu)->scir.state = value;
400 uv_write_local_mmr8(uv_cpu_hub_info(cpu)->scir.offset, value);
401 }
402}
355 403
404#endif /* _ASM_X86_UV_UV_HUB_H */
diff --git a/arch/x86/include/asm/vmware.h b/arch/x86/include/asm/vmware.h
new file mode 100644
index 000000000000..c11b7e100d83
--- /dev/null
+++ b/arch/x86/include/asm/vmware.h
@@ -0,0 +1,27 @@
1/*
2 * Copyright (C) 2008, VMware, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
12 * NON INFRINGEMENT. See the GNU General Public License for more
13 * details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 */
20#ifndef ASM_X86__VMWARE_H
21#define ASM_X86__VMWARE_H
22
23extern unsigned long vmware_get_tsc_khz(void);
24extern int vmware_platform(void);
25extern void vmware_set_feature_bits(struct cpuinfo_x86 *c);
26
27#endif
diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 3f6000d95fe2..5e79ca694326 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -33,8 +33,14 @@
33#ifndef _ASM_X86_XEN_HYPERCALL_H 33#ifndef _ASM_X86_XEN_HYPERCALL_H
34#define _ASM_X86_XEN_HYPERCALL_H 34#define _ASM_X86_XEN_HYPERCALL_H
35 35
36#include <linux/kernel.h>
37#include <linux/spinlock.h>
36#include <linux/errno.h> 38#include <linux/errno.h>
37#include <linux/string.h> 39#include <linux/string.h>
40#include <linux/types.h>
41
42#include <asm/page.h>
43#include <asm/pgtable.h>
38 44
39#include <xen/interface/xen.h> 45#include <xen/interface/xen.h>
40#include <xen/interface/sched.h> 46#include <xen/interface/sched.h>
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h
index a38d25ac87d2..81fbd735aec4 100644
--- a/arch/x86/include/asm/xen/hypervisor.h
+++ b/arch/x86/include/asm/xen/hypervisor.h
@@ -33,39 +33,10 @@
33#ifndef _ASM_X86_XEN_HYPERVISOR_H 33#ifndef _ASM_X86_XEN_HYPERVISOR_H
34#define _ASM_X86_XEN_HYPERVISOR_H 34#define _ASM_X86_XEN_HYPERVISOR_H
35 35
36#include <linux/types.h>
37#include <linux/kernel.h>
38
39#include <xen/interface/xen.h>
40#include <xen/interface/version.h>
41
42#include <asm/ptrace.h>
43#include <asm/page.h>
44#include <asm/desc.h>
45#if defined(__i386__)
46# ifdef CONFIG_X86_PAE
47# include <asm-generic/pgtable-nopud.h>
48# else
49# include <asm-generic/pgtable-nopmd.h>
50# endif
51#endif
52#include <asm/xen/hypercall.h>
53
54/* arch/i386/kernel/setup.c */ 36/* arch/i386/kernel/setup.c */
55extern struct shared_info *HYPERVISOR_shared_info; 37extern struct shared_info *HYPERVISOR_shared_info;
56extern struct start_info *xen_start_info; 38extern struct start_info *xen_start_info;
57 39
58/* arch/i386/mach-xen/evtchn.c */
59/* Force a proper event-channel callback from Xen. */
60extern void force_evtchn_callback(void);
61
62/* Turn jiffies into Xen system time. */
63u64 jiffies_to_st(unsigned long jiffies);
64
65
66#define MULTI_UVMFLAGS_INDEX 3
67#define MULTI_UVMDOMID_INDEX 4
68
69enum xen_domain_type { 40enum xen_domain_type {
70 XEN_NATIVE, 41 XEN_NATIVE,
71 XEN_PV_DOMAIN, 42 XEN_PV_DOMAIN,
@@ -74,9 +45,15 @@ enum xen_domain_type {
74 45
75extern enum xen_domain_type xen_domain_type; 46extern enum xen_domain_type xen_domain_type;
76 47
48#ifdef CONFIG_XEN
77#define xen_domain() (xen_domain_type != XEN_NATIVE) 49#define xen_domain() (xen_domain_type != XEN_NATIVE)
78#define xen_pv_domain() (xen_domain_type == XEN_PV_DOMAIN) 50#else
51#define xen_domain() (0)
52#endif
53
54#define xen_pv_domain() (xen_domain() && xen_domain_type == XEN_PV_DOMAIN)
55#define xen_hvm_domain() (xen_domain() && xen_domain_type == XEN_HVM_DOMAIN)
56
79#define xen_initial_domain() (xen_pv_domain() && xen_start_info->flags & SIF_INITDOMAIN) 57#define xen_initial_domain() (xen_pv_domain() && xen_start_info->flags & SIF_INITDOMAIN)
80#define xen_hvm_domain() (xen_domain_type == XEN_HVM_DOMAIN)
81 58
82#endif /* _ASM_X86_XEN_HYPERVISOR_H */ 59#endif /* _ASM_X86_XEN_HYPERVISOR_H */
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index bc628998a1b9..7ef617ef1df3 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -1,11 +1,16 @@
1#ifndef _ASM_X86_XEN_PAGE_H 1#ifndef _ASM_X86_XEN_PAGE_H
2#define _ASM_X86_XEN_PAGE_H 2#define _ASM_X86_XEN_PAGE_H
3 3
4#include <linux/kernel.h>
5#include <linux/types.h>
6#include <linux/spinlock.h>
4#include <linux/pfn.h> 7#include <linux/pfn.h>
5 8
6#include <asm/uaccess.h> 9#include <asm/uaccess.h>
10#include <asm/page.h>
7#include <asm/pgtable.h> 11#include <asm/pgtable.h>
8 12
13#include <xen/interface/xen.h>
9#include <xen/features.h> 14#include <xen/features.h>
10 15
11/* Xen machine address */ 16/* Xen machine address */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-29 02:00:39 -0500