Messages in this thread Patch in this message | | | Date | Fri, 18 Apr 2014 06:04:25 -0700 | From | tip-bot for Peter Zijlstra <> | Subject | [tip:locking/core] arch,alpha: Convert smp_mb__*() to the asm-generic primitives |
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Commit-ID: 6ae11028a62b2f82ee283392a84f33da599a81e7 Gitweb: http://git.kernel.org/tip/6ae11028a62b2f82ee283392a84f33da599a81e7 Author: Peter Zijlstra <peterz@infradead.org> AuthorDate: Wed, 12 Mar 2014 17:11:00 +0100 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Fri, 18 Apr 2014 11:40:31 +0200
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> --- arch/alpha/include/asm/atomic.h | 5 ----- arch/alpha/include/asm/bitops.h | 3 --- 2 files changed, 8 deletions(-)
diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h index 78b03ef..ed60a1e 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 a19ba5e..4bdfbd4 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) {
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