diff options
| -rw-r--r-- | arch/x86/ia32/ia32entry.S | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/asm.h | 6 | ||||
| -rw-r--r-- | arch/x86/include/asm/bitops.h | 46 | ||||
| -rw-r--r-- | arch/x86/include/asm/mutex_64.h | 30 | ||||
| -rw-r--r-- | arch/x86/include/asm/sync_bitops.h | 24 | ||||
| -rw-r--r-- | arch/x86/include/asm/uaccess.h | 7 | ||||
| -rw-r--r-- | arch/x86/lib/x86-opcode-map.txt | 42 | ||||
| -rw-r--r-- | arch/x86/tools/gen-insn-attr-x86.awk | 4 |
8 files changed, 107 insertions, 54 deletions
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index 474dc1b59f72..4299eb05023c 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S | |||
| @@ -452,7 +452,7 @@ ia32_badsys: | |||
| 452 | 452 | ||
| 453 | CFI_ENDPROC | 453 | CFI_ENDPROC |
| 454 | 454 | ||
| 455 | .macro PTREGSCALL label, func, arg | 455 | .macro PTREGSCALL label, func |
| 456 | ALIGN | 456 | ALIGN |
| 457 | GLOBAL(\label) | 457 | GLOBAL(\label) |
| 458 | leaq \func(%rip),%rax | 458 | leaq \func(%rip),%rax |
diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h index 1c2d247f65ce..4582e8e1cd1a 100644 --- a/arch/x86/include/asm/asm.h +++ b/arch/x86/include/asm/asm.h | |||
| @@ -3,21 +3,25 @@ | |||
| 3 | 3 | ||
| 4 | #ifdef __ASSEMBLY__ | 4 | #ifdef __ASSEMBLY__ |
| 5 | # define __ASM_FORM(x) x | 5 | # define __ASM_FORM(x) x |
| 6 | # define __ASM_FORM_RAW(x) x | ||
| 6 | # define __ASM_FORM_COMMA(x) x, | 7 | # define __ASM_FORM_COMMA(x) x, |
| 7 | #else | 8 | #else |
| 8 | # define __ASM_FORM(x) " " #x " " | 9 | # define __ASM_FORM(x) " " #x " " |
| 10 | # define __ASM_FORM_RAW(x) #x | ||
| 9 | # define __ASM_FORM_COMMA(x) " " #x "," | 11 | # define __ASM_FORM_COMMA(x) " " #x "," |
| 10 | #endif | 12 | #endif |
| 11 | 13 | ||
| 12 | #ifdef CONFIG_X86_32 | 14 | #ifdef CONFIG_X86_32 |
| 13 | # define __ASM_SEL(a,b) __ASM_FORM(a) | 15 | # define __ASM_SEL(a,b) __ASM_FORM(a) |
| 16 | # define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(a) | ||
| 14 | #else | 17 | #else |
| 15 | # define __ASM_SEL(a,b) __ASM_FORM(b) | 18 | # define __ASM_SEL(a,b) __ASM_FORM(b) |
| 19 | # define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(b) | ||
| 16 | #endif | 20 | #endif |
| 17 | 21 | ||
| 18 | #define __ASM_SIZE(inst, ...) __ASM_SEL(inst##l##__VA_ARGS__, \ | 22 | #define __ASM_SIZE(inst, ...) __ASM_SEL(inst##l##__VA_ARGS__, \ |
| 19 | inst##q##__VA_ARGS__) | 23 | inst##q##__VA_ARGS__) |
| 20 | #define __ASM_REG(reg) __ASM_SEL(e##reg, r##reg) | 24 | #define __ASM_REG(reg) __ASM_SEL_RAW(e##reg, r##reg) |
| 21 | 25 | ||
| 22 | #define _ASM_PTR __ASM_SEL(.long, .quad) | 26 | #define _ASM_PTR __ASM_SEL(.long, .quad) |
| 23 | #define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8) | 27 | #define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8) |
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index 6dfd0195bb55..41639ce8fd63 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h | |||
| @@ -15,6 +15,14 @@ | |||
| 15 | #include <linux/compiler.h> | 15 | #include <linux/compiler.h> |
| 16 | #include <asm/alternative.h> | 16 | #include <asm/alternative.h> |
| 17 | 17 | ||
| 18 | #if BITS_PER_LONG == 32 | ||
| 19 | # define _BITOPS_LONG_SHIFT 5 | ||
| 20 | #elif BITS_PER_LONG == 64 | ||
| 21 | # define _BITOPS_LONG_SHIFT 6 | ||
| 22 | #else | ||
| 23 | # error "Unexpected BITS_PER_LONG" | ||
| 24 | #endif | ||
| 25 | |||
| 18 | #define BIT_64(n) (U64_C(1) << (n)) | 26 | #define BIT_64(n) (U64_C(1) << (n)) |
| 19 | 27 | ||
| 20 | /* | 28 | /* |
| @@ -59,7 +67,7 @@ | |||
| 59 | * restricted to acting on a single-word quantity. | 67 | * restricted to acting on a single-word quantity. |
| 60 | */ | 68 | */ |
| 61 | static __always_inline void | 69 | static __always_inline void |
| 62 | set_bit(unsigned int nr, volatile unsigned long *addr) | 70 | set_bit(long nr, volatile unsigned long *addr) |
| 63 | { | 71 | { |
| 64 | if (IS_IMMEDIATE(nr)) { | 72 | if (IS_IMMEDIATE(nr)) { |
| 65 | asm volatile(LOCK_PREFIX "orb %1,%0" | 73 | asm volatile(LOCK_PREFIX "orb %1,%0" |
| @@ -81,7 +89,7 @@ set_bit(unsigned int nr, volatile unsigned long *addr) | |||
| 81 | * If it's called on the same region of memory simultaneously, the effect | 89 | * If it's called on the same region of memory simultaneously, the effect |
| 82 | * may be that only one operation succeeds. | 90 | * may be that only one operation succeeds. |
| 83 | */ | 91 | */ |
| 84 | static inline void __set_bit(int nr, volatile unsigned long *addr) | 92 | static inline void __set_bit(long nr, volatile unsigned long *addr) |
| 85 | { | 93 | { |
| 86 | asm volatile("bts %1,%0" : ADDR : "Ir" (nr) : "memory"); | 94 | asm volatile("bts %1,%0" : ADDR : "Ir" (nr) : "memory"); |
| 87 | } | 95 | } |
| @@ -97,7 +105,7 @@ static inline void __set_bit(int nr, volatile unsigned long *addr) | |||
| 97 | * in order to ensure changes are visible on other processors. | 105 | * in order to ensure changes are visible on other processors. |
| 98 | */ | 106 | */ |
| 99 | static __always_inline void | 107 | static __always_inline void |
| 100 | clear_bit(int nr, volatile unsigned long *addr) | 108 | clear_bit(long nr, volatile unsigned long *addr) |
| 101 | { | 109 | { |
| 102 | if (IS_IMMEDIATE(nr)) { | 110 | if (IS_IMMEDIATE(nr)) { |
| 103 | asm volatile(LOCK_PREFIX "andb %1,%0" | 111 | asm volatile(LOCK_PREFIX "andb %1,%0" |
| @@ -118,13 +126,13 @@ clear_bit(int nr, volatile unsigned long *addr) | |||
| 118 | * clear_bit() is atomic and implies release semantics before the memory | 126 | * clear_bit() is atomic and implies release semantics before the memory |
| 119 | * operation. It can be used for an unlock. | 127 | * operation. It can be used for an unlock. |
| 120 | */ | 128 | */ |
| 121 | static inline void clear_bit_unlock(unsigned nr, volatile unsigned long *addr) | 129 | static inline void clear_bit_unlock(long nr, volatile unsigned long *addr) |
| 122 | { | 130 | { |
| 123 | barrier(); | 131 | barrier(); |
| 124 | clear_bit(nr, addr); | 132 | clear_bit(nr, addr); |
| 125 | } | 133 | } |
| 126 | 134 | ||
| 127 | static inline void __clear_bit(int nr, volatile unsigned long *addr) | 135 | static inline void __clear_bit(long nr, volatile unsigned long *addr) |
| 128 | { | 136 | { |
| 129 | asm volatile("btr %1,%0" : ADDR : "Ir" (nr)); | 137 | asm volatile("btr %1,%0" : ADDR : "Ir" (nr)); |
| 130 | } | 138 | } |
| @@ -141,7 +149,7 @@ static inline void __clear_bit(int nr, volatile unsigned long *addr) | |||
| 141 | * No memory barrier is required here, because x86 cannot reorder stores past | 149 | * No memory barrier is required here, because x86 cannot reorder stores past |
| 142 | * older loads. Same principle as spin_unlock. | 150 | * older loads. Same principle as spin_unlock. |
| 143 | */ | 151 | */ |
| 144 | static inline void __clear_bit_unlock(unsigned nr, volatile unsigned long *addr) | 152 | static inline void __clear_bit_unlock(long nr, volatile unsigned long *addr) |
| 145 | { | 153 | { |
| 146 | barrier(); | 154 | barrier(); |
| 147 | __clear_bit(nr, addr); | 155 | __clear_bit(nr, addr); |
| @@ -159,7 +167,7 @@ static inline void __clear_bit_unlock(unsigned nr, volatile unsigned long *addr) | |||
| 159 | * If it's called on the same region of memory simultaneously, the effect | 167 | * If it's called on the same region of memory simultaneously, the effect |
| 160 | * may be that only one operation succeeds. | 168 | * may be that only one operation succeeds. |
| 161 | */ | 169 | */ |
| 162 | static inline void __change_bit(int nr, volatile unsigned long *addr) | 170 | static inline void __change_bit(long nr, volatile unsigned long *addr) |
| 163 | { | 171 | { |
| 164 | asm volatile("btc %1,%0" : ADDR : "Ir" (nr)); | 172 | asm volatile("btc %1,%0" : ADDR : "Ir" (nr)); |
| 165 | } | 173 | } |
| @@ -173,7 +181,7 @@ static inline void __change_bit(int nr, volatile unsigned long *addr) | |||
| 173 | * Note that @nr may be almost arbitrarily large; this function is not | 181 | * Note that @nr may be almost arbitrarily large; this function is not |
| 174 | * restricted to acting on a single-word quantity. | 182 | * restricted to acting on a single-word quantity. |
| 175 | */ | 183 | */ |
| 176 | static inline void change_bit(int nr, volatile unsigned long *addr) | 184 | static inline void change_bit(long nr, volatile unsigned long *addr) |
| 177 | { | 185 | { |
| 178 | if (IS_IMMEDIATE(nr)) { | 186 | if (IS_IMMEDIATE(nr)) { |
| 179 | asm volatile(LOCK_PREFIX "xorb %1,%0" | 187 | asm volatile(LOCK_PREFIX "xorb %1,%0" |
| @@ -194,7 +202,7 @@ static inline void change_bit(int nr, volatile unsigned long *addr) | |||
| 194 | * This operation is atomic and cannot be reordered. | 202 | * This operation is atomic and cannot be reordered. |
| 195 | * It also implies a memory barrier. | 203 | * It also implies a memory barrier. |
| 196 | */ | 204 | */ |
| 197 | static inline int test_and_set_bit(int nr, volatile unsigned long *addr) | 205 | static inline int test_and_set_bit(long nr, volatile unsigned long *addr) |
| 198 | { | 206 | { |
| 199 | int oldbit; | 207 | int oldbit; |
| 200 | 208 | ||
| @@ -212,7 +220,7 @@ static inline int test_and_set_bit(int nr, volatile unsigned long *addr) | |||
| 212 | * This is the same as test_and_set_bit on x86. | 220 | * This is the same as test_and_set_bit on x86. |
| 213 | */ | 221 | */ |
| 214 | static __always_inline int | 222 | static __always_inline int |
| 215 | test_and_set_bit_lock(int nr, volatile unsigned long *addr) | 223 | test_and_set_bit_lock(long nr, volatile unsigned long *addr) |
| 216 | { | 224 | { |
| 217 | return test_and_set_bit(nr, addr); | 225 | return test_and_set_bit(nr, addr); |
| 218 | } | 226 | } |
| @@ -226,7 +234,7 @@ test_and_set_bit_lock(int nr, volatile unsigned long *addr) | |||
| 226 | * If two examples of this operation race, one can appear to succeed | 234 | * If two examples of this operation race, one can appear to succeed |
| 227 | * but actually fail. You must protect multiple accesses with a lock. | 235 | * but actually fail. You must protect multiple accesses with a lock. |
| 228 | */ | 236 | */ |
| 229 | static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) | 237 | static inline int __test_and_set_bit(long nr, volatile unsigned long *addr) |
| 230 | { | 238 | { |
| 231 | int oldbit; | 239 | int oldbit; |
| 232 | 240 | ||
| @@ -245,7 +253,7 @@ static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) | |||
| 245 | * This operation is atomic and cannot be reordered. | 253 | * This operation is atomic and cannot be reordered. |
| 246 | * It also implies a memory barrier. | 254 | * It also implies a memory barrier. |
| 247 | */ | 255 | */ |
| 248 | static inline int test_and_clear_bit( | ||
