Commit-ID: 125897908c718972351b589da89b7f990892d4df Gitweb: http://git.kernel.org/tip/125897908c718972351b589da89b7f990892d4df Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx> AuthorDate: Wed, 23 Apr 2014 20:04:39 +0200 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Mon, 27 Jul 2015 14:06:21 +0200 arm: 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. Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- arch/arm/include/asm/atomic.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h index e22c119..ff214ba 100644 --- a/arch/arm/include/asm/atomic.h +++ b/arch/arm/include/asm/atomic.h @@ -194,6 +194,14 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) ATOMIC_OPS(add, +=, add) ATOMIC_OPS(sub, -=, sub) +#define CONFIG_ARCH_HAS_ATOMIC_OR +#define atomic_andnot atomic_andnot + +ATOMIC_OP(and, &=, and) +ATOMIC_OP(andnot, &= ~, bic) +ATOMIC_OP(or, |=, orr) +ATOMIC_OP(xor, ^=, eor) + #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN #undef ATOMIC_OP @@ -321,6 +329,13 @@ static inline long long atomic64_##op##_return(long long i, atomic64_t *v) \ ATOMIC64_OPS(add, adds, adc) ATOMIC64_OPS(sub, subs, sbc) +#define atomic64_andnot atomic64_andnot + +ATOMIC64_OP(and, and, and) +ATOMIC64_OP(andnot, bic, bic) +ATOMIC64_OP(or, orr, orr) +ATOMIC64_OP(xor, eor, eor) + #undef ATOMIC64_OPS #undef ATOMIC64_OP_RETURN #undef ATOMIC64_OP -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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