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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>
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2 changed files with 0 additions and 8 deletions
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@ -292,9 +292,4 @@ static inline long atomic64_dec_if_positive(atomic64_t *v)
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#define atomic_dec(v) atomic_sub(1,(v))
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#define atomic64_dec(v) atomic64_sub(1,(v))
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#define smp_mb__before_atomic_dec() smp_mb()
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#define smp_mb__after_atomic_dec() smp_mb()
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#define smp_mb__before_atomic_inc() smp_mb()
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#define smp_mb__after_atomic_inc() smp_mb()
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#endif /* _ALPHA_ATOMIC_H */
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@ -53,9 +53,6 @@ __set_bit(unsigned long nr, volatile void * addr)
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*m |= 1 << (nr & 31);
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}
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#define smp_mb__before_clear_bit() smp_mb()
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#define smp_mb__after_clear_bit() smp_mb()
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static inline void
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clear_bit(unsigned long nr, volatile void * addr)
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{
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