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| author | Dave Jones <davej@redhat.com> | 2006-09-05 17:20:21 -0400 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2006-09-05 17:20:21 -0400 |
| commit | 115b384cf87249d76adb0b21aca11ee22128927d (patch) | |
| tree | f39a2a54863e9d82d1196906f92c82ab5991c6af /include/asm-x86_64/spinlock.h | |
| parent | 8eb7925f93af75e66a240d148efdec212f95bcb7 (diff) | |
| parent | c336923b668fdcf0312efbec3b44895d713f4d81 (diff) | |
Merge ../linus
Diffstat (limited to 'include/asm-x86_64/spinlock.h')
| -rw-r--r-- | include/asm-x86_64/spinlock.h | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h index 8d3421996f9..248a79f0eaf 100644 --- a/include/asm-x86_64/spinlock.h +++ b/include/asm-x86_64/spinlock.h @@ -21,7 +21,7 @@ #define __raw_spin_lock_string \ "\n1:\t" \ - "lock ; decl %0\n\t" \ + LOCK_PREFIX " ; decl %0\n\t" \ "js 2f\n" \ LOCK_SECTION_START("") \ "2:\t" \ @@ -40,10 +40,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock) { - alternative_smp( - __raw_spin_lock_string, - __raw_spin_lock_string_up, - "=m" (lock->slock) : : "memory"); + asm volatile(__raw_spin_lock_string : "=m" (lock->slock) : : "memory"); } #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) @@ -125,12 +122,12 @@ static inline int __raw_write_trylock(raw_rwlock_t *lock) static inline void __raw_read_unlock(raw_rwlock_t *rw) { - asm volatile("lock ; incl %0" :"=m" (rw->lock) : : "memory"); + asm volatile(LOCK_PREFIX " ; incl %0" :"=m" (rw->lock) : : "memory"); } static inline void __raw_write_unlock(raw_rwlock_t *rw) { - asm volatile("lock ; addl $" RW_LOCK_BIAS_STR ",%0" + asm volatile(LOCK_PREFIX " ; addl $" RW_LOCK_BIAS_STR ",%0" : "=m" (rw->lock) : : "memory"); } |