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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-01-08 23:38:23 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-01-08 23:38:23 -0800 |
| commit | da733563be5a9da26fe81d9f007262d00b846e22 (patch) | |
| tree | db28291df94a2043af2123911984c5c173da4e6f /arch/x86/include/asm/rwsem.h | |
| parent | 6ccbcf2cb41131f8d56ef0723bf3f7c1f8486076 (diff) | |
| parent | dab78d7924598ea4031663dd10db814e2e324928 (diff) | |
Merge branch 'next' into for-linus
Diffstat (limited to 'arch/x86/include/asm/rwsem.h')
| -rw-r--r-- | arch/x86/include/asm/rwsem.h | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h index df4cd32b4cc6..2dbe4a721ce5 100644 --- a/arch/x86/include/asm/rwsem.h +++ b/arch/x86/include/asm/rwsem.h @@ -204,13 +204,7 @@ static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem) */ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem) { - long tmp = delta; - - asm volatile(LOCK_PREFIX "xadd %0,%1" - : "+r" (tmp), "+m" (sem->count) - : : "memory"); - - return tmp + delta; + return delta + xadd(&sem->count, delta); } #endif /* __KERNEL__ */ |