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arch,alpha: Convert smp_mb__*() to the asm-generic primitives

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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 <[email protected]>
Acked-by: Paul E. McKenney <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Cc: Ivan Kokshaysky <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Matt Turner <[email protected]>
Cc: Richard Henderson <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Peter Zijlstra 2014-03-12 17:11:00 +01:00 • committed by Ingo Molnar
commit 6ae11028a6
2 changed files with 0 additions and 8 deletions
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5
arch/alpha/include/asm/atomic.h
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@ -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 */

3
arch/alpha/include/asm/bitops.h
View file

@ -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)
{