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-rw-r--r--arch/x86/include/asm/acpi.h1
-rw-r--r--arch/x86/include/asm/amd_iommu.h2
-rw-r--r--arch/x86/include/asm/atomic_32.h3
-rw-r--r--arch/x86/include/asm/boot.h6
-rw-r--r--arch/x86/include/asm/desc.h26
-rw-r--r--arch/x86/include/asm/iommu.h1
-rw-r--r--arch/x86/include/asm/mce.h63
-rw-r--r--arch/x86/include/asm/msr.h7
-rw-r--r--arch/x86/include/asm/page_64_types.h2
-rw-r--r--arch/x86/include/asm/pci.h3
-rw-r--r--arch/x86/include/asm/pci_x86.h3
-rw-r--r--arch/x86/include/asm/percpu.h10
-rw-r--r--arch/x86/include/asm/perf_counter.h8
-rw-r--r--arch/x86/include/asm/pgtable_32.h8
-rw-r--r--arch/x86/include/asm/pgtable_64.h5
-rw-r--r--arch/x86/include/asm/proto.h11
-rw-r--r--arch/x86/include/asm/therm_throt.h9
-rw-r--r--arch/x86/include/asm/timer.h6
-rw-r--r--arch/x86/include/asm/uaccess.h2
19 files changed, 101 insertions, 75 deletions
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 4518dc500903..20d1465a2ab0 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -144,6 +144,7 @@ static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate)
144 144
145#else /* !CONFIG_ACPI */ 145#else /* !CONFIG_ACPI */
146 146
147#define acpi_disabled 1
147#define acpi_lapic 0 148#define acpi_lapic 0
148#define acpi_ioapic 0 149#define acpi_ioapic 0
149static inline void acpi_noirq_set(void) { } 150static inline void acpi_noirq_set(void) { }
diff --git a/arch/x86/include/asm/amd_iommu.h b/arch/x86/include/asm/amd_iommu.h
index 262e02820049..bdf96f119f06 100644
--- a/arch/x86/include/asm/amd_iommu.h
+++ b/arch/x86/include/asm/amd_iommu.h
@@ -29,9 +29,11 @@ extern void amd_iommu_detect(void);
29extern irqreturn_t amd_iommu_int_handler(int irq, void *data); 29extern irqreturn_t amd_iommu_int_handler(int irq, void *data);
30extern void amd_iommu_flush_all_domains(void); 30extern void amd_iommu_flush_all_domains(void);
31extern void amd_iommu_flush_all_devices(void); 31extern void amd_iommu_flush_all_devices(void);
32extern void amd_iommu_shutdown(void);
32#else 33#else
33static inline int amd_iommu_init(void) { return -ENODEV; } 34static inline int amd_iommu_init(void) { return -ENODEV; }
34static inline void amd_iommu_detect(void) { } 35static inline void amd_iommu_detect(void) { }
36static inline void amd_iommu_shutdown(void) { }
35#endif 37#endif
36 38
37#endif /* _ASM_X86_AMD_IOMMU_H */ 39#endif /* _ASM_X86_AMD_IOMMU_H */
diff --git a/arch/x86/include/asm/atomic_32.h b/arch/x86/include/asm/atomic_32.h
index 8cb9c814e120..2503d4e64c2a 100644
--- a/arch/x86/include/asm/atomic_32.h
+++ b/arch/x86/include/asm/atomic_32.h
@@ -257,7 +257,7 @@ typedef struct {
257 257
258/** 258/**
259 * atomic64_read - read atomic64 variable 259 * atomic64_read - read atomic64 variable
260 * @v: pointer of type atomic64_t 260 * @ptr: pointer of type atomic64_t
261 * 261 *
262 * Atomically reads the value of @v. 262 * Atomically reads the value of @v.
263 * Doesn't imply a read memory barrier. 263 * Doesn't imply a read memory barrier.
@@ -294,7 +294,6 @@ atomic64_cmpxchg(atomic64_t *ptr, unsigned long long old_val,
294 * atomic64_xchg - xchg atomic64 variable 294 * atomic64_xchg - xchg atomic64 variable
295 * @ptr: pointer to type atomic64_t 295 * @ptr: pointer to type atomic64_t
296 * @new_val: value to assign 296 * @new_val: value to assign
297 * @old_val: old value that was there
298 * 297 *
299 * Atomically xchgs the value of @ptr to @new_val and returns 298 * Atomically xchgs the value of @ptr to @new_val and returns
300 * the old value. 299 * the old value.
diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h
index 418e632d4a80..7a1065958ba9 100644
--- a/arch/x86/include/asm/boot.h
+++ b/arch/x86/include/asm/boot.h
@@ -8,7 +8,7 @@
8 8
9#ifdef __KERNEL__ 9#ifdef __KERNEL__
10 10
11#include <asm/page_types.h> 11#include <asm/pgtable_types.h>
12 12
13/* Physical address where kernel should be loaded. */ 13/* Physical address where kernel should be loaded. */
14#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ 14#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
@@ -16,10 +16,10 @@
16 & ~(CONFIG_PHYSICAL_ALIGN - 1)) 16 & ~(CONFIG_PHYSICAL_ALIGN - 1))
17 17
18/* Minimum kernel alignment, as a power of two */ 18/* Minimum kernel alignment, as a power of two */
19#ifdef CONFIG_x86_64 19#ifdef CONFIG_X86_64
20#define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT 20#define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT
21#else 21#else
22#define MIN_KERNEL_ALIGN_LG2 (PAGE_SHIFT+1) 22#define MIN_KERNEL_ALIGN_LG2 (PAGE_SHIFT + THREAD_ORDER)
23#endif 23#endif
24#define MIN_KERNEL_ALIGN (_AC(1, UL) << MIN_KERNEL_ALIGN_LG2) 24#define MIN_KERNEL_ALIGN (_AC(1, UL) << MIN_KERNEL_ALIGN_LG2)
25 25
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
index c45f415ce315..c993e9e0fed4 100644
--- a/arch/x86/include/asm/desc.h
+++ b/arch/x86/include/asm/desc.h
@@ -1,7 +1,6 @@
1#ifndef _ASM_X86_DESC_H 1#ifndef _ASM_X86_DESC_H
2#define _ASM_X86_DESC_H 2#define _ASM_X86_DESC_H
3 3
4#ifndef __ASSEMBLY__
5#include <asm/desc_defs.h> 4#include <asm/desc_defs.h>
6#include <asm/ldt.h> 5#include <asm/ldt.h>
7#include <asm/mmu.h> 6#include <asm/mmu.h>
@@ -380,29 +379,4 @@ static inline void set_system_intr_gate_ist(int n, void *addr, unsigned ist)
380 _set_gate(n, GATE_INTERRUPT, addr, 0x3, ist, __KERNEL_CS); 379 _set_gate(n, GATE_INTERRUPT, addr, 0x3, ist, __KERNEL_CS);
381} 380}
382 381
383#else
384/*
385 * GET_DESC_BASE reads the descriptor base of the specified segment.
386 *
387 * Args:
388 * idx - descriptor index
389 * gdt - GDT pointer
390 * base - 32bit register to which the base will be written
391 * lo_w - lo word of the "base" register
392 * lo_b - lo byte of the "base" register
393 * hi_b - hi byte of the low word of the "base" register
394 *
395 * Example:
396 * GET_DESC_BASE(GDT_ENTRY_ESPFIX_SS, %ebx, %eax, %ax, %al, %ah)
397 * Will read the base address of GDT_ENTRY_ESPFIX_SS and put it into %eax.
398 */
399#define GET_DESC_BASE(idx, gdt, base, lo_w, lo_b, hi_b) \
400 movb idx * 8 + 4(gdt), lo_b; \
401 movb idx * 8 + 7(gdt), hi_b; \
402 shll $16, base; \
403 movw idx * 8 + 2(gdt), lo_w;
404
405
406#endif /* __ASSEMBLY__ */
407
408#endif /* _ASM_X86_DESC_H */ 382#endif /* _ASM_X86_DESC_H */
diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h
index af326a2975b5..fd6d21bbee6c 100644
--- a/arch/x86/include/asm/iommu.h
+++ b/arch/x86/include/asm/iommu.h
@@ -6,6 +6,7 @@ extern void no_iommu_init(void);
6extern struct dma_map_ops nommu_dma_ops; 6extern struct dma_map_ops nommu_dma_ops;
7extern int force_iommu, no_iommu; 7extern int force_iommu, no_iommu;
8extern int iommu_detected; 8extern int iommu_detected;
9extern int iommu_pass_through;
9 10
10/* 10 seconds */ 11/* 10 seconds */
11#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) 12#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 540a466e50f5..5cdd8d100ec9 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -102,15 +102,39 @@ struct mce_log {
102 102
103#ifdef __KERNEL__ 103#ifdef __KERNEL__
104 104
105#include <linux/percpu.h>
106#include <linux/init.h>
107#include <asm/atomic.h>
108
105extern int mce_disabled; 109extern int mce_disabled;
110extern int mce_p5_enabled;
106 111
107#include <asm/atomic.h> 112#ifdef CONFIG_X86_MCE
108#include <linux/percpu.h> 113void mcheck_init(struct cpuinfo_x86 *c);
114#else
115static inline void mcheck_init(struct cpuinfo_x86 *c) {}
116#endif
117
118#ifdef CONFIG_X86_OLD_MCE
119extern int nr_mce_banks;
120void amd_mcheck_init(struct cpuinfo_x86 *c);
121void intel_p4_mcheck_init(struct cpuinfo_x86 *c);
122void intel_p6_mcheck_init(struct cpuinfo_x86 *c);
123#endif
124
125#ifdef CONFIG_X86_ANCIENT_MCE
126void intel_p5_mcheck_init(struct cpuinfo_x86 *c);
127void winchip_mcheck_init(struct cpuinfo_x86 *c);
128static inline void enable_p5_mce(void) { mce_p5_enabled = 1; }
129#else
130static inline void intel_p5_mcheck_init(struct cpuinfo_x86 *c) {}
131static inline void winchip_mcheck_init(struct cpuinfo_x86 *c) {}
132static inline void enable_p5_mce(void) {}
133#endif
109 134
110void mce_setup(struct mce *m); 135void mce_setup(struct mce *m);
111void mce_log(struct mce *m); 136void mce_log(struct mce *m);
112DECLARE_PER_CPU(struct sys_device, mce_dev); 137DECLARE_PER_CPU(struct sys_device, mce_dev);
113extern void (*threshold_cpu_callback)(unsigned long action, unsigned int cpu);
114 138
115/* 139/*
116 * To support more than 128 would need to escape the predefined 140 * To support more than 128 would need to escape the predefined
@@ -145,12 +169,8 @@ int mce_available(struct cpuinfo_x86 *c);
145DECLARE_PER_CPU(unsigned, mce_exception_count); 169DECLARE_PER_CPU(unsigned, mce_exception_count);
146DECLARE_PER_CPU(unsigned, mce_poll_count); 170DECLARE_PER_CPU(unsigned, mce_poll_count);
147 171
148void mce_log_therm_throt_event(__u64 status);
149
150extern atomic_t mce_entry; 172extern atomic_t mce_entry;
151 173
152void do_machine_check(struct pt_regs *, long);
153
154typedef DECLARE_BITMAP(mce_banks_t, MAX_NR_BANKS); 174typedef DECLARE_BITMAP(mce_banks_t, MAX_NR_BANKS);
155DECLARE_PER_CPU(mce_banks_t, mce_poll_banks); 175DECLARE_PER_CPU(mce_banks_t, mce_poll_banks);
156 176
@@ -167,13 +187,32 @@ void mce_notify_process(void);
167DECLARE_PER_CPU(struct mce, injectm); 187DECLARE_PER_CPU(struct mce, injectm);
168extern struct file_operations mce_chrdev_ops; 188extern struct file_operations mce_chrdev_ops;
169 189
170#ifdef CONFIG_X86_MCE 190/*
171void mcheck_init(struct cpuinfo_x86 *c); 191 * Exception handler
172#else 192 */
173#define mcheck_init(c) do { } while (0) 193
174#endif 194/* Call the installed machine check handler for this CPU setup. */
195extern void (*machine_check_vector)(struct pt_regs *, long error_code);
196void do_machine_check(struct pt_regs *, long);
197
198/*
199 * Threshold handler
200 */
175 201
176extern void (*mce_threshold_vector)(void); 202extern void (*mce_threshold_vector)(void);
203extern void (*threshold_cpu_callback)(unsigned long action, unsigned int cpu);
204
205/*
206 * Thermal handler
207 */
208
209void intel_init_thermal(struct cpuinfo_x86 *c);
210
211#ifdef CONFIG_X86_NEW_MCE
212void mce_log_therm_throt_event(__u64 status);
213#else
214static inline void mce_log_therm_throt_event(__u64 status) {}
215#endif
177 216
178#endif /* __KERNEL__ */ 217#endif /* __KERNEL__ */
179#endif /* _ASM_X86_MCE_H */ 218#endif /* _ASM_X86_MCE_H */
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 22603764e7db..48ad9d29484a 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -3,13 +3,10 @@
3 3
4#include <asm/msr-index.h> 4#include <asm/msr-index.h>
5 5
6#ifndef __ASSEMBLY__
7# include <linux/types.h>
8#endif
9
10#ifdef __KERNEL__ 6#ifdef __KERNEL__
11#ifndef __ASSEMBLY__ 7#ifndef __ASSEMBLY__
12 8
9#include <linux/types.h>
13#include <asm/asm.h> 10#include <asm/asm.h>
14#include <asm/errno.h> 11#include <asm/errno.h>
15#include <asm/cpumask.h> 12#include <asm/cpumask.h>
@@ -264,6 +261,4 @@ static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
264#endif /* CONFIG_SMP */ 261#endif /* CONFIG_SMP */
265#endif /* __ASSEMBLY__ */ 262#endif /* __ASSEMBLY__ */
266#endif /* __KERNEL__ */ 263#endif /* __KERNEL__ */
267
268
269#endif /* _ASM_X86_MSR_H */ 264#endif /* _ASM_X86_MSR_H */
diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
index 8d382d3abf38..7639dbf5d223 100644
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -41,7 +41,7 @@
41 41
42/* See Documentation/x86/x86_64/mm.txt for a description of the memory map. */ 42/* See Documentation/x86/x86_64/mm.txt for a description of the memory map. */
43#define __PHYSICAL_MASK_SHIFT 46 43#define __PHYSICAL_MASK_SHIFT 46
44#define __VIRTUAL_MASK_SHIFT 48 44#define __VIRTUAL_MASK_SHIFT 47
45 45
46/* 46/*
47 * Kernel image size is limited to 512 MB (see level2_kernel_pgt in 47 * Kernel image size is limited to 512 MB (see level2_kernel_pgt in
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index b51a1e8b0baf..1ff685ca221c 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -91,7 +91,7 @@ extern void pci_iommu_alloc(void);
91 91
92#define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys) 92#define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys)
93 93
94#if defined(CONFIG_X86_64) || defined(CONFIG_DMA_API_DEBUG) 94#if defined(CONFIG_X86_64) || defined(CONFIG_DMAR) || defined(CONFIG_DMA_API_DEBUG)
95 95
96#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ 96#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
97 dma_addr_t ADDR_NAME; 97 dma_addr_t ADDR_NAME;
@@ -130,6 +130,7 @@ extern void pci_iommu_alloc(void);
130 130
131/* generic pci stuff */ 131/* generic pci stuff */
132#include <asm-generic/pci.h> 132#include <asm-generic/pci.h>
133#define PCIBIOS_MAX_MEM_32 0xffffffff
133 134
134#ifdef CONFIG_NUMA 135#ifdef CONFIG_NUMA
135/* Returns the node based on pci bus */ 136/* Returns the node based on pci bus */
diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index e60fd3e14bdf..b399988eee3a 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -121,6 +121,9 @@ extern int __init pcibios_init(void);
121extern int __init pci_mmcfg_arch_init(void); 121extern int __init pci_mmcfg_arch_init(void);
122extern void __init pci_mmcfg_arch_free(void); 122extern void __init pci_mmcfg_arch_free(void);
123 123
124extern struct acpi_mcfg_allocation *pci_mmcfg_config;
125extern int pci_mmcfg_config_num;
126
124/* 127/*
125 * AMD Fam10h CPUs are buggy, and cannot access MMIO config space 128 * AMD Fam10h CPUs are buggy, and cannot access MMIO config space
126 * on their northbrige except through the * %eax register. As such, you MUST 129 * on their northbrige except through the * %eax register. As such, you MUST
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 02ecb30982a3..103f1ddb0d85 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -42,6 +42,7 @@
42 42
43#else /* ...!ASSEMBLY */ 43#else /* ...!ASSEMBLY */
44 44
45#include <linux/kernel.h>
45#include <linux/stringify.h> 46#include <linux/stringify.h>
46 47
47#ifdef CONFIG_SMP 48#ifdef CONFIG_SMP
@@ -155,6 +156,15 @@ do { \
155/* We can use this directly for local CPU (faster). */ 156/* We can use this directly for local CPU (faster). */
156DECLARE_PER_CPU(unsigned long, this_cpu_off); 157DECLARE_PER_CPU(unsigned long, this_cpu_off);
157 158
159#ifdef CONFIG_NEED_MULTIPLE_NODES
160void *pcpu_lpage_remapped(void *kaddr);
161#else
162static inline void *pcpu_lpage_remapped(void *kaddr)
163{
164 return NULL;
165}
166#endif
167
158#endif /* !__ASSEMBLY__ */ 168#endif /* !__ASSEMBLY__ */
159 169
160#ifdef CONFIG_SMP 170#ifdef CONFIG_SMP
diff --git a/arch/x86/include/asm/perf_counter.h b/arch/x86/include/asm/perf_counter.h
index 876ed97147b3..fa64e401589d 100644
--- a/arch/x86/include/asm/perf_counter.h
+++ b/arch/x86/include/asm/perf_counter.h
@@ -84,14 +84,12 @@ union cpuid10_edx {
84#define MSR_ARCH_PERFMON_FIXED_CTR2 0x30b 84#define MSR_ARCH_PERFMON_FIXED_CTR2 0x30b
85#define X86_PMC_IDX_FIXED_BUS_CYCLES (X86_PMC_IDX_FIXED + 2) 85#define X86_PMC_IDX_FIXED_BUS_CYCLES (X86_PMC_IDX_FIXED + 2)
86 86
87extern void set_perf_counter_pending(void);
88
89#define clear_perf_counter_pending() do { } while (0)
90#define test_perf_counter_pending() (0)
91
92#ifdef CONFIG_PERF_COUNTERS 87#ifdef CONFIG_PERF_COUNTERS
93extern void init_hw_perf_counters(void); 88extern void init_hw_perf_counters(void);
94extern void perf_counters_lapic_init(void); 89extern void perf_counters_lapic_init(void);
90
91#define PERF_COUNTER_INDEX_OFFSET 0
92
95#else 93#else
96static inline void init_hw_perf_counters(void) { } 94static inline void init_hw_perf_counters(void) { }
97static inline void perf_counters_lapic_init(void) { } 95static inline void perf_counters_lapic_init(void) { }
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index 31bd120cf2a2..01fd9461d323 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -49,13 +49,17 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
49#endif 49#endif
50 50
51#if defined(CONFIG_HIGHPTE) 51#if defined(CONFIG_HIGHPTE)
52#define __KM_PTE \
53 (in_nmi() ? KM_NMI_PTE : \
54 in_irq() ? KM_IRQ_PTE : \
55 KM_PTE0)
52#define pte_offset_map(dir, address) \ 56#define pte_offset_map(dir, address) \
53 ((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), KM_PTE0) + \ 57 ((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), __KM_PTE) + \
54 pte_index((address))) 58 pte_index((address)))
55#define pte_offset_map_nested(dir, address) \ 59#define pte_offset_map_nested(dir, address) \
56 ((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), KM_PTE1) + \ 60 ((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), KM_PTE1) + \
57 pte_index((address))) 61 pte_index((address)))
58#define pte_unmap(pte) kunmap_atomic((pte), KM_PTE0) 62#define pte_unmap(pte) kunmap_atomic((pte), __KM_PTE)
59#define pte_unmap_nested(pte) kunmap_atomic((pte), KM_PTE1) 63#define pte_unmap_nested(pte) kunmap_atomic((pte), KM_PTE1)
60#else 64#else
61#define pte_offset_map(dir, address) \ 65#define pte_offset_map(dir, address) \
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index abde308fdb0f..c57a30117149 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -165,10 +165,7 @@ extern void cleanup_highmap(void);
165 165
166/* fs/proc/kcore.c */ 166/* fs/proc/kcore.c */
167#define kc_vaddr_to_offset(v) ((v) & __VIRTUAL_MASK) 167#define kc_vaddr_to_offset(v) ((v) & __VIRTUAL_MASK)
168#define kc_offset_to_vaddr(o) \ 168#define kc_offset_to_vaddr(o) ((o) | ~__VIRTUAL_MASK)
169 (((o) & (1UL << (__VIRTUAL_MASK_SHIFT - 1))) \
170 ? ((o) | ~__VIRTUAL_MASK) \
171 : (o))
172 169
173#define __HAVE_ARCH_PTE_SAME 170#define __HAVE_ARCH_PTE_SAME
174#endif /* !__ASSEMBLY__ */ 171#endif /* !__ASSEMBLY__ */
diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h
index 49fb3ecf3bb3..621f56d73121 100644
--- a/arch/x86/include/asm/proto.h
+++ b/arch/x86/include/asm/proto.h
@@ -22,7 +22,14 @@ extern int reboot_force;
22 22
23long do_arch_prctl(struct task_struct *task, int code, unsigned long addr); 23long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);
24 24
25#define round_up(x, y) (((x) + (y) - 1) & ~((y) - 1)) 25/*
26#define round_down(x, y) ((x) & ~((y) - 1)) 26 * This looks more complex than it should be. But we need to
27 * get the type for the ~ right in round_down (it needs to be
28 * as wide as the result!), and we want to evaluate the macro
29 * arguments just once each.
30 */
31#define __round_mask(x,y) ((__typeof__(x))((y)-1))
32#define round_up(x,y) ((((x)-1) | __round_mask(x,y))+1)
33#define round_down(x,y) ((x) & ~__round_mask(x,y))
27 34
28#endif /* _ASM_X86_PROTO_H */ 35#endif /* _ASM_X86_PROTO_H */
diff --git a/arch/x86/include/asm/therm_throt.h b/arch/x86/include/asm/therm_throt.h
deleted file mode 100644
index c62349ee7860..000000000000
--- a/arch/x86/include/asm/therm_throt.h
+++ /dev/null
@@ -1,9 +0,0 @@
1#ifndef _ASM_X86_THERM_THROT_H
2#define _ASM_X86_THERM_THROT_H
3
4#include <asm/atomic.h>
5
6extern atomic_t therm_throt_en;
7int therm_throt_process(int curr);
8
9#endif /* _ASM_X86_THERM_THROT_H */
diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h
index bd37ed444a21..20ca9c4d4686 100644
--- a/arch/x86/include/asm/timer.h
+++ b/arch/x86/include/asm/timer.h
@@ -45,12 +45,16 @@ extern int no_timer_check;
45 */ 45 */
46 46
47DECLARE_PER_CPU(unsigned long, cyc2ns); 47DECLARE_PER_CPU(unsigned long, cyc2ns);
48DECLARE_PER_CPU(unsigned long long, cyc2ns_offset);
48 49
49#define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */ 50#define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */
50 51
51static inline unsigned long long __cycles_2_ns(unsigned long long cyc) 52static inline unsigned long long __cycles_2_ns(unsigned long long cyc)
52{ 53{
53 return cyc * per_cpu(cyc2ns, smp_processor_id()) >> CYC2NS_SCALE_FACTOR; 54 int cpu = smp_processor_id();
55 unsigned long long ns = per_cpu(cyc2ns_offset, cpu);
56 ns += cyc * per_cpu(cyc2ns, cpu) >> CYC2NS_SCALE_FACTOR;
57 return ns;
54} 58}
55 59
56static inline unsigned long long cycles_2_ns(unsigned long long cyc) 60static inline unsigned long long cycles_2_ns(unsigned long long cyc)
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index b685ece89d5c..20e6a795e160 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -25,7 +25,7 @@
25#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) 25#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
26 26
27#define KERNEL_DS MAKE_MM_SEG(-1UL) 27#define KERNEL_DS MAKE_MM_SEG(-1UL)
28#define USER_DS MAKE_MM_SEG(PAGE_OFFSET) 28#define USER_DS MAKE_MM_SEG(TASK_SIZE_MAX)
29 29
30#define get_ds() (KERNEL_DS) 30#define get_ds() (KERNEL_DS)
31#define get_fs() (current_thread_info()->addr_limit) 31#define get_fs() (current_thread_info()->addr_limit)