diff options
Diffstat (limited to 'include/asm-x86/cmpxchg_32.h')
| -rw-r--r-- | include/asm-x86/cmpxchg_32.h | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/include/asm-x86/cmpxchg_32.h b/include/asm-x86/cmpxchg_32.h index cea1dae288a7..959fad00dff5 100644 --- a/include/asm-x86/cmpxchg_32.h +++ b/include/asm-x86/cmpxchg_32.h | |||
| @@ -269,22 +269,26 @@ static inline unsigned long cmpxchg_386(volatile void *ptr, unsigned long old, | |||
| 269 | ({ \ | 269 | ({ \ |
| 270 | __typeof__(*(ptr)) __ret; \ | 270 | __typeof__(*(ptr)) __ret; \ |
| 271 | if (likely(boot_cpu_data.x86 > 3)) \ | 271 | if (likely(boot_cpu_data.x86 > 3)) \ |
| 272 | __ret = __cmpxchg((ptr), (unsigned long)(o), \ | 272 | __ret = (__typeof__(*(ptr)))__cmpxchg((ptr), \ |
| 273 | (unsigned long)(n), sizeof(*(ptr))); \ | 273 | (unsigned long)(o), (unsigned long)(n), \ |
| 274 | sizeof(*(ptr))); \ | ||
| 274 | else \ | 275 | else \ |
| 275 | __ret = cmpxchg_386((ptr), (unsigned long)(o), \ | 276 | __ret = (__typeof__(*(ptr)))cmpxchg_386((ptr), \ |
| 276 | (unsigned long)(n), sizeof(*(ptr))); \ | 277 | (unsigned long)(o), (unsigned long)(n), \ |
| 278 | sizeof(*(ptr))); \ | ||
| 277 | __ret; \ | 279 | __ret; \ |
| 278 | }) | 280 | }) |
| 279 | #define cmpxchg_local(ptr, o, n) \ | 281 | #define cmpxchg_local(ptr, o, n) \ |
| 280 | ({ \ | 282 | ({ \ |
| 281 | __typeof__(*(ptr)) __ret; \ | 283 | __typeof__(*(ptr)) __ret; \ |
| 282 | if (likely(boot_cpu_data.x86 > 3)) \ | 284 | if (likely(boot_cpu_data.x86 > 3)) \ |
| 283 | __ret = __cmpxchg_local((ptr), (unsigned long)(o), \ | 285 | __ret = (__typeof__(*(ptr)))__cmpxchg_local((ptr), \ |
| 284 | (unsigned long)(n), sizeof(*(ptr))); \ | 286 | (unsigned long)(o), (unsigned long)(n), \ |
| 287 | sizeof(*(ptr))); \ | ||
| 285 | else \ | 288 | else \ |
| 286 | __ret = cmpxchg_386((ptr), (unsigned long)(o), \ | 289 | __ret = (__typeof__(*(ptr)))cmpxchg_386((ptr), \ |
| 287 | (unsigned long)(n), sizeof(*(ptr))); \ | 290 | (unsigned long)(o), (unsigned long)(n), \ |
| 291 | sizeof(*(ptr))); \ | ||
| 288 | __ret; \ | 292 | __ret; \ |
| 289 | }) | 293 | }) |
| 290 | #endif | 294 | #endif |
| @@ -301,10 +305,12 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64); | |||
| 301 | ({ \ | 305 | ({ \ |
| 302 | __typeof__(*(ptr)) __ret; \ | 306 | __typeof__(*(ptr)) __ret; \ |
| 303 | if (likely(boot_cpu_data.x86 > 4)) \ | 307 | if (likely(boot_cpu_data.x86 > 4)) \ |
| 304 | __ret = __cmpxchg64((ptr), (unsigned long long)(o), \ | 308 | __ret = (__typeof__(*(ptr)))__cmpxchg64((ptr), \ |
| 309 | (unsigned long long)(o), \ | ||
| 305 | (unsigned long long)(n)); \ | 310 | (unsigned long long)(n)); \ |
| 306 | else \ | 311 | else \ |
| 307 | __ret = cmpxchg_486_u64((ptr), (unsigned long long)(o), \ | 312 | __ret = (__typeof__(*(ptr)))cmpxchg_486_u64((ptr), \ |
| 313 | (unsigned long long)(o), \ | ||
| 308 | (unsigned long long)(n)); \ | 314 | (unsigned long long)(n)); \ |
| 309 | __ret; \ | 315 | __ret; \ |
| 310 | }) | 316 | }) |
| @@ -312,10 +318,12 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64); | |||
| 312 | ({ \ | 318 | ({ \ |
| 313 | __typeof__(*(ptr)) __ret; \ | 319 | __typeof__(*(ptr)) __ret; \ |
| 314 | if (likely(boot_cpu_data.x86 > 4)) \ | 320 | if (likely(boot_cpu_data.x86 > 4)) \ |
| 315 | __ret = __cmpxchg64_local((ptr), (unsigned long long)(o), \ | 321 | __ret = (__typeof__(*(ptr)))__cmpxchg64_local((ptr), \ |
| 322 | (unsigned long long)(o), \ | ||
| 316 | (unsigned long long)(n)); \ | 323 | (unsigned long long)(n)); \ |
| 317 | else \ | 324 | else \ |
| 318 | __ret = cmpxchg_486_u64((ptr), (unsigned long long)(o), \ | 325 | __ret = (__typeof__(*(ptr)))cmpxchg_486_u64((ptr), \ |
| 326 | (unsigned long long)(o), \ | ||
| 319 | (unsigned long long)(n)); \ | 327 | (unsigned long long)(n)); \ |
| 320 | __ret; \ | 328 | __ret; \ |
| 321 | }) | 329 | }) |