sh: Fix up smp_mb__xxx() memory barriers for SH-4A SMP.

[karo-tx-linux.git] / arch / sh / include / asm / atomic.h

diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h
index e8e78137c6f556650e45c4c4c1c064836c4be61c..b16388d719546a3c2cdb70e2b1a94eec897a180e 100644 (file)
--- a/arch/sh/include/asm/atomic.h
+++ b/arch/sh/include/asm/atomic.h
@@ -78,11 +78,10 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
 #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
 
-/* Atomic operations are already serializing on SH */
-#define smp_mb__before_atomic_dec()    barrier()
-#define smp_mb__after_atomic_dec()     barrier()
-#define smp_mb__before_atomic_inc()    barrier()
-#define smp_mb__after_atomic_inc()     barrier()
+#define smp_mb__before_atomic_dec()    smp_mb()
+#define smp_mb__after_atomic_dec()     smp_mb()
+#define smp_mb__before_atomic_inc()    smp_mb()
+#define smp_mb__after_atomic_inc()     smp_mb()
 
 #include <asm-generic/atomic-long.h>
 #include <asm-generic/atomic64.h>