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| 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/barrier.h | |
| parent | 94cf42f823bc904305b0ee93a09bcd51ba380497 (diff) | |
| download | lwn-0cd64efb61f1e68be26bd5121ccff3c779dc488b.tar.gz lwn-0cd64efb61f1e68be26bd5121ccff3c779dc488b.zip | |
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/barrier.h')
| -rw-r--r-- | arch/ia64/include/asm/barrier.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/barrier.h b/arch/ia64/include/asm/barrier.h index d0a69aa35e27..a48957c7b445 100644 --- a/arch/ia64/include/asm/barrier.h +++ b/arch/ia64/include/asm/barrier.h @@ -55,6 +55,9 @@ #endif +#define smp_mb__before_atomic() barrier() +#define smp_mb__after_atomic() barrier() + /* * IA64 GCC turns volatile stores into st.rel and volatile loads into ld.acq no * need for asm trickery! |