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Diffstat (limited to 'include/asm-generic/mutex-dec.h')
-rw-r--r--include/asm-generic/mutex-dec.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/asm-generic/mutex-dec.h b/include/asm-generic/mutex-dec.h
index d4f9fb4e53df..fd694cfd678a 100644
--- a/include/asm-generic/mutex-dec.h
+++ b/include/asm-generic/mutex-dec.h
@@ -20,7 +20,7 @@
20static inline void 20static inline void
21__mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *)) 21__mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
22{ 22{
23 if (unlikely(atomic_dec_return(count) < 0)) 23 if (unlikely(atomic_dec_return_acquire(count) < 0))
24 fail_fn(count); 24 fail_fn(count);
25} 25}
26 26
@@ -35,7 +35,7 @@ __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
35static inline int 35static inline int
36__mutex_fastpath_lock_retval(atomic_t *count) 36__mutex_fastpath_lock_retval(atomic_t *count)
37{ 37{
38 if (unlikely(atomic_dec_return(count) < 0)) 38 if (unlikely(atomic_dec_return_acquire(count) < 0))
39 return -1; 39 return -1;
40 return 0; 40 return 0;
41} 41}
@@ -56,7 +56,7 @@ __mutex_fastpath_lock_retval(atomic_t *count)
56static inline void 56static inline void
57__mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *)) 57__mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
58{ 58{
59 if (unlikely(atomic_inc_return(count) <= 0)) 59 if (unlikely(atomic_inc_return_release(count) <= 0))
60 fail_fn(count); 60 fail_fn(count);
61} 61}
62 62
@@ -80,7 +80,7 @@ __mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
80static inline int 80static inline int
81__mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *)) 81__mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *))
82{ 82{
83 if (likely(atomic_cmpxchg(count, 1, 0) == 1)) 83 if (likely(atomic_cmpxchg_acquire(count, 1, 0) == 1))
84 return 1; 84 return 1;
85 return 0; 85 return 0;
86} 86}