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-rw-r--r--arch/s390/include/asm/atomic.h8
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 76daea117181..50cfb5ed601b 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -36,14 +36,12 @@
36 36
37static inline int atomic_read(const atomic_t *v) 37static inline int atomic_read(const atomic_t *v)
38{ 38{
39 barrier(); 39 return ACCESS_ONCE(v->counter);
40 return v->counter;
41} 40}
42 41
43static inline void atomic_set(atomic_t *v, int i) 42static inline void atomic_set(atomic_t *v, int i)
44{ 43{
45 v->counter = i; 44 v->counter = i;
46 barrier();
47} 45}
48 46
49static inline int atomic_add_return(int i, atomic_t *v) 47static inline int atomic_add_return(int i, atomic_t *v)
@@ -128,14 +126,12 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
128 126
129static inline long long atomic64_read(const atomic64_t *v) 127static inline long long atomic64_read(const atomic64_t *v)
130{ 128{
131 barrier(); 129 return ACCESS_ONCE(v->counter);
132 return v->counter;
133} 130}
134 131
135static inline void atomic64_set(atomic64_t *v, long long i) 132static inline void atomic64_set(atomic64_t *v, long long i)
136{ 133{
137 v->counter = i; 134 v->counter = i;
138 barrier();
139} 135}
140 136
141static inline long long atomic64_add_return(long long i, atomic64_t *v) 137static inline long long atomic64_add_return(long long i, atomic64_t *v)