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parisc: Provide atomic_{or,xor,and}

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Implement atomic logic ops -- atomic_{or,xor,and}.

These will replace the atomic_{set,clear}_mask functions that are
available on some archs.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Peter Zijlstra 2014-04-23 19:47:25 +02:00 committed by Thomas Gleixner
parent ddb7573ff6
commit aebea93596
1 changed files with 9 additions and 0 deletions
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9
arch/parisc/include/asm/atomic.h
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@ -126,6 +126,12 @@ static __inline__ int atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OPS(add, +=)
ATOMIC_OPS(sub, -=)
#define CONFIG_ARCH_HAS_ATOMIC_OR
ATOMIC_OP(and, &=)
ATOMIC_OP(or, |=)
ATOMIC_OP(xor, ^=)
#undef ATOMIC_OPS
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
@ -185,6 +191,9 @@ static __inline__ s64 atomic64_##op##_return(s64 i, atomic64_t *v) \
ATOMIC64_OPS(add, +=)
ATOMIC64_OPS(sub, -=)
ATOMIC64_OP(and, &=)
ATOMIC64_OP(or, |=)
ATOMIC64_OP(xor, ^=)
#undef ATOMIC64_OPS
#undef ATOMIC64_OP_RETURN