diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2013-11-08 12:01:59 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-01-12 10:37:14 +0100 |
| commit | 1de7da377bd880ff23917f78924d0e908329d978 (patch) | |
| tree | 38700ceabb6050598f3800032617d5c73d7344b8 | |
| parent | locking/doc: Rename LOCK/UNLOCK to ACQUIRE/RELEASE (diff) | |
| download | linux-1de7da377bd880ff23917f78924d0e908329d978.tar.xz linux-1de7da377bd880ff23917f78924d0e908329d978.zip | |
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>
| -rw-r--r-- | arch/arc/include/asm/atomic.h | 5 | ||||
| -rw-r--r-- | arch/arc/include/asm/barrier.h | 5 | ||||
| -rw-r--r-- | arch/hexagon/include/asm/atomic.h | 6 | ||||
| -rw-r--r-- | arch/hexagon/include/asm/barrier.h | 4 |
4 files changed, 10 insertions, 10 deletions
diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h index 83f03ca6caf6..03e494f695d1 100644 --- a/arch/arc/include/asm/atomic.h +++ b/arch/arc/include/asm/atomic.h @@ -190,6 +190,11 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) #endif /* !CONFIG_ARC_HAS_LLSC */ +#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() + /** * __atomic_add_unless - add unless the number is a given value * @v: pointer of type atomic_t diff --git a/arch/arc/include/asm/barrier.h b/arch/arc/include/asm/barrier.h index f6cb7c4ffb35..c32245c3d1e9 100644 --- a/arch/arc/include/asm/barrier.h +++ b/arch/arc/include/asm/barrier.h @@ -30,11 +30,6 @@ #define smp_wmb() barrier() #endif -#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_read_barrier_depends() do { } while (0) #endif 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 diff --git a/arch/hexagon/include/asm/barrier.h b/arch/hexagon/include/asm/barrier.h index 1041a8e70ce8..4e863daea25b 100644 --- a/arch/hexagon/include/asm/barrier.h +++ b/arch/hexagon/include/asm/barrier.h @@ -29,10 +29,6 @@ #define smp_read_barrier_depends() barrier() #define smp_wmb() barrier() #define smp_mb() barrier() -#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() /* Set a value and use a memory barrier. Used by the scheduler somewhere. */ #define set_mb(var, value) \ |