1 files changed, 1 insertions, 8 deletions

diff --git a/include/asm-generic/mutex-xchg.h b/include/asm-generic/mutex-xchg.h
index 7b9cd2cbfebe..580a6d35c700 100644
--- a/include/asm-generic/mutex-xchg.h
+++ b/include/asm-generic/mutex-xchg.h
@@ -27,8 +27,6 @@ __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
         if (unlikely(atomic_xchg(count, 0) != 1))
                 fail_fn(count);
-        else
-                smp_mb();
 }
 
 /**
@@ -46,10 +44,7 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 {
         if (unlikely(atomic_xchg(count, 0) != 1))
                 return fail_fn(count);
-        else {
-                smp_mb();
-                return 0;
-        }
+        return 0;
 }
 
 /**
@@ -67,7 +62,6 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 static inline void
 __mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
-        smp_mb();
         if (unlikely(atomic_xchg(count, 1) != 0))
                 fail_fn(count);
 }
@@ -110,7 +104,6 @@ __mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *))
                 if (prev < 0)
                         prev = 0;
         }
-        smp_mb();
 
         return prev;
 }