From: Peter Zijlstra Date: Wed, 23 Apr 2014 17:46:23 +0000 (+0200) Subject: powerpc: Provide atomic_{or,xor,and} X-Git-Tag: v4.14-rc1~4452^2~33^2~12 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d0b7eb6ff2985c9350fdb297fa5727c35324d4df;p=platform%2Fkernel%2Flinux-rpi.git powerpc: Provide atomic_{or,xor,and} Implement atomic logic ops -- atomic_{or,xor,and}. These will replace the atomic_{set,clear}_mask functions that are available on some archs. Acked-by: Benjamin Herrenschmidt Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Thomas Gleixner --- diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index 512d278..6ca89e2 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -67,6 +67,12 @@ static __inline__ int atomic_##op##_return(int a, atomic_t *v) \ ATOMIC_OPS(add, add) ATOMIC_OPS(sub, subf) +#define CONFIG_ARCH_HAS_ATOMIC_OR + +ATOMIC_OP(and, and) +ATOMIC_OP(or, or) +ATOMIC_OP(xor, xor) + #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN #undef ATOMIC_OP @@ -304,6 +310,9 @@ static __inline__ long atomic64_##op##_return(long a, atomic64_t *v) \ ATOMIC64_OPS(add, add) ATOMIC64_OPS(sub, subf) +ATOMIC64_OP(and, and) +ATOMIC64_OP(or, or) +ATOMIC64_OP(xor, xor) #undef ATOMIC64_OPS #undef ATOMIC64_OP_RETURN