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| author | Peter Zijlstra <peterz@infradead.org> | 2014-04-23 21:40:25 +0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-07-27 15:06:23 +0300 |
| commit | 304a0d699a3c6103b61d5ea18d56820e7d8e3116 (patch) | |
| tree | dd0166235d2a1dc0c7a152e6faa825d2794cc3a0 /arch/sparc/include | |
| parent | 658aa51459c2f5284183d35b6dd0beca0e0bfe2f (diff) | |
| download | linux-304a0d699a3c6103b61d5ea18d56820e7d8e3116.tar.xz | |
sparc: 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: David S. Miller <davem@davemloft.net>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/sparc/include')
| -rw-r--r-- | arch/sparc/include/asm/atomic_32.h | 4 | ||||
| -rw-r--r-- | arch/sparc/include/asm/atomic_64.h | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h index 0e69b7e7a439..e19d8880b146 100644 --- a/arch/sparc/include/asm/atomic_32.h +++ b/arch/sparc/include/asm/atomic_32.h @@ -17,10 +17,14 @@ #include <asm/barrier.h> #include <asm-generic/atomic64.h> +#define CONFIG_ARCH_HAS_ATOMIC_OR #define ATOMIC_INIT(i) { (i) } int atomic_add_return(int, atomic_t *); +void atomic_and(int, atomic_t *); +void atomic_or(int, atomic_t *); +void atomic_xor(int, atomic_t *); int atomic_cmpxchg(atomic_t *, int, int); int atomic_xchg(atomic_t *, int); int __atomic_add_unless(atomic_t *, int, int); diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h index 4082749913ce..d6af27c93450 100644 --- a/arch/sparc/include/asm/atomic_64.h +++ b/arch/sparc/include/asm/atomic_64.h @@ -33,6 +33,12 @@ long atomic64_##op##_return(long, atomic64_t *); 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 |