diff options
author | Peter Zijlstra <peterz@infradead.org> | 2014-03-13 19:00:36 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2014-04-18 14:20:35 +0200 |
commit | 0cd64efb61f1e68be26bd5121ccff3c779dc488b (patch) | |
tree | 4f5b7c1e0fd57f9b7f1652003264a996bb79429e /arch/ia64/include/asm/atomic.h | |
parent | 94cf42f823bc904305b0ee93a09bcd51ba380497 (diff) | |
download | linux-0cd64efb61f1e68be26bd5121ccff3c779dc488b.tar.bz2 |
arch,ia64: Convert smp_mb__*()
ia64 atomic ops are full barriers; implement the new
smp_mb__{before,after}_atomic().
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-hyp7yj68cmqz1nqbfpr541ca@git.kernel.org
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-ia64@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/ia64/include/asm/atomic.h')
-rw-r--r-- | arch/ia64/include/asm/atomic.h | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h index 6e6fe1839f5d..0f8bf48dadf3 100644 --- a/arch/ia64/include/asm/atomic.h +++ b/arch/ia64/include/asm/atomic.h @@ -15,6 +15,7 @@ #include <linux/types.h> #include <asm/intrinsics.h> +#include <asm/barrier.h> #define ATOMIC_INIT(i) { (i) } @@ -208,10 +209,4 @@ atomic64_add_negative (__s64 i, atomic64_t *v) #define atomic64_inc(v) atomic64_add(1, (v)) #define atomic64_dec(v) atomic64_sub(1, (v)) -/* Atomic operations are already serializing */ -#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 /* _ASM_IA64_ATOMIC_H */ |