Messages in this thread Patch in this message | | | Date | Thu, 16 Jul 2015 19:21:25 +0200 | From | Peter Zijlstra <> | Subject | [PATCH 15/28] 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> --- arch/parisc/include/asm/atomic.h | 9 +++++++++ 1 file changed, 9 insertions(+)
--- a/arch/parisc/include/asm/atomic.h +++ b/arch/parisc/include/asm/atomic.h @@ -126,6 +126,12 @@ static __inline__ int atomic_##op##_retu 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##_re ATOMIC64_OPS(add, +=) ATOMIC64_OPS(sub, -=) +ATOMIC64_OP(and, &=) +ATOMIC64_OP(or, |=) +ATOMIC64_OP(xor, ^=) #undef ATOMIC64_OPS #undef ATOMIC64_OP_RETURN
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