diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2013-11-08 15:01:59 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-01-12 13:37:14 +0400 |
| commit | 1de7da377bd880ff23917f78924d0e908329d978 (patch) | |
| tree | 38700ceabb6050598f3800032617d5c73d7344b8 /arch/hexagon/include/asm/atomic.h | |
| parent | 2e4f5382d12a441b5cccfdde00308df15c2ce300 (diff) | |
| download | linux-1de7da377bd880ff23917f78924d0e908329d978.tar.xz | |
arch: Move smp_mb__{before,after}_atomic_{inc,dec}.h into asm/atomic.h
Move the barriers functions that depend on the atomic implementation
into the atomic implementation.
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Vineet Gupta <vgupta@synopsys.com> [for arch/arc bits]
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20131213150640.786183683@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/hexagon/include/asm/atomic.h')
| -rw-r--r-- | arch/hexagon/include/asm/atomic.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/hexagon/include/asm/atomic.h b/arch/hexagon/include/asm/atomic.h index 8a64ff2337f6..7aae4cb2a29a 100644 --- a/arch/hexagon/include/asm/atomic.h +++ b/arch/hexagon/include/asm/atomic.h @@ -160,8 +160,12 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) #define atomic_sub_and_test(i, v) (atomic_sub_return(i, (v)) == 0) #define atomic_add_negative(i, v) (atomic_add_return(i, (v)) < 0) - #define atomic_inc_return(v) (atomic_add_return(1, v)) #define atomic_dec_return(v) (atomic_sub_return(1, v)) +#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() + #endif |