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__ */