diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2014-04-23 22:03:13 +0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-07-27 15:06:22 +0300 |
| commit | 22288b40e2c7ab484a08a03df32782a67903912c (patch) | |
| tree | 9da6d8bf9c4e9c9678d130a6c98ae9f43a54f872 | |
| parent | 125897908c718972351b589da89b7f990892d4df (diff) | |
| download | linux-22288b40e2c7ab484a08a03df32782a67903912c.tar.xz | |
arm64: 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@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | arch/arm64/include/asm/atomic.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/atomic.h b/arch/arm64/include/asm/atomic.h index 7047051ded40..2876173397b2 100644 --- a/arch/arm64/include/asm/atomic.h +++ b/arch/arm64/include/asm/atomic.h @@ -85,6 +85,14 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \ 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 @@ -183,6 +191,13 @@ static inline long atomic64_##op##_return(long i, atomic64_t *v) \ ATOMIC64_OPS(add, add) ATOMIC64_OPS(sub, sub) +#define atomic64_andnot atomic64_andnot + +ATOMIC64_OP(and, and) +ATOMIC64_OP(andnot, bic) +ATOMIC64_OP(or, orr) +ATOMIC64_OP(xor, eor) + #undef ATOMIC64_OPS #undef ATOMIC64_OP_RETURN #undef ATOMIC64_OP |