diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2014-03-12 17:11:00 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-18 11:40:31 +0200 |
| commit | 6ae11028a62b2f82ee283392a84f33da599a81e7 (patch) | |
| tree | 7327c915221892ea1158018410f964db6303dcbb /arch/alpha | |
| parent | arch: Prepare for smp_mb__{before,after}_atomic() (diff) | |
| download | linux-6ae11028a62b2f82ee283392a84f33da599a81e7.tar.xz linux-6ae11028a62b2f82ee283392a84f33da599a81e7.zip | |
arch,alpha: Convert smp_mb__*() to the asm-generic primitives
The Alpha ll/sc primitives do not imply any sort of barrier; therefore
the smp_mb__{before,after} should be a full barrier. This is the
default from asm-generic/barrier.h and therefore just remove the
current definitions.
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-iacwfd15lq3ta2v7jut747r7@git.kernel.org
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: linux-alpha@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/include/asm/atomic.h | 5 | ||||
| -rw-r--r-- | arch/alpha/include/asm/bitops.h | 3 |
2 files changed, 0 insertions, 8 deletions
diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h index 78b03ef39f6f..ed60a1ee1ed3 100644 --- a/arch/alpha/include/asm/atomic.h +++ b/arch/alpha/include/asm/atomic.h @@ -292,9 +292,4 @@ static inline long atomic64_dec_if_positive(atomic64_t *v) #define atomic_dec(v) atomic_sub(1,(v)) #define atomic64_dec(v) atomic64_sub(1,(v)) -#define smp_mb__before_atomic_dec() smp_mb() -#define smp_mb__after_atomic_dec() smp_mb() -#define smp_mb__before_atomic_inc() smp_mb() -#define smp_mb__after_atomic_inc() smp_mb() - #endif /* _ALPHA_ATOMIC_H */ diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h index a19ba5efea4c..4bdfbd444e63 100644 --- a/arch/alpha/include/asm/bitops.h +++ b/arch/alpha/include/asm/bitops.h @@ -53,9 +53,6 @@ __set_bit(unsigned long nr, volatile void * addr) *m |= 1 << (nr & 31); } -#define smp_mb__before_clear_bit() smp_mb() -#define smp_mb__after_clear_bit() smp_mb() - static inline void clear_bit(unsigned long nr, volatile void * addr) { |