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| author | Peter Zijlstra | 2014-03-13 19:00:36 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2014-04-18 14:20:38 +0200 |
| commit | 40074dece684fc61ab72cfc1689d564cba1c5f64 (patch) | |
| tree | eb37370f63886527763387fb675f556e399cf107 /arch/metag/include/asm/atomic.h | |
| parent | arch,m68k: Convert smp_mb__*() (diff) | |
| download | kernel-qcow2-linux-40074dece684fc61ab72cfc1689d564cba1c5f64.tar.gz kernel-qcow2-linux-40074dece684fc61ab72cfc1689d564cba1c5f64.tar.xz kernel-qcow2-linux-40074dece684fc61ab72cfc1689d564cba1c5f64.zip | |
arch,metag: Convert smp_mb__*()
Implement the new barriers; as per the old versions the metag atomic
imply a full barrier.
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-dqnyo215kq38wi4xcxnbpjw3@git.kernel.org
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-metag@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/metag/include/asm/atomic.h')
| -rw-r--r-- | arch/metag/include/asm/atomic.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/metag/include/asm/atomic.h b/arch/metag/include/asm/atomic.h index 307ecd2bd9a1..470e365f04ea 100644 --- a/arch/metag/include/asm/atomic.h +++ b/arch/metag/include/asm/atomic.h @@ -4,6 +4,7 @@ #include <linux/compiler.h> #include <linux/types.h> #include <asm/cmpxchg.h> +#include <asm/barrier.h> #if defined(CONFIG_METAG_ATOMICITY_IRQSOFF) /* The simple UP case. */ @@ -39,11 +40,6 @@ #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -#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 #define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v) |