diff options
Diffstat (limited to 'include/asm-i386')
-rw-r--r-- | include/asm-i386/system.h | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h index 609756c61676..d69ba937e092 100644 --- a/include/asm-i386/system.h +++ b/include/asm-i386/system.h | |||
@@ -214,11 +214,6 @@ static inline unsigned long get_limit(unsigned long segment) | |||
214 | */ | 214 | */ |
215 | 215 | ||
216 | 216 | ||
217 | /* | ||
218 | * Actually only lfence would be needed for mb() because all stores done | ||
219 | * by the kernel should be already ordered. But keep a full barrier for now. | ||
220 | */ | ||
221 | |||
222 | #define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2) | 217 | #define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2) |
223 | #define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2) | 218 | #define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2) |
224 | 219 | ||