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| author | Vineet Gupta <vgupta@kernel.org> | 2020-05-11 23:27:23 +0300 |
|---|---|---|
| committer | Vineet Gupta <vgupta@kernel.org> | 2021-08-25 00:25:47 +0300 |
| commit | 301014cf6d72836dd5fd5b3e9c92633f35b298c0 (patch) | |
| tree | 0c96401283a492b5e5dcc238fc8e957ed2897fa7 /arch/arc/include/asm/atomic.h | |
| parent | ddc348c44d82d0b55236210d5606ac868e6cc364 (diff) | |
| download | linux-301014cf6d72836dd5fd5b3e9c92633f35b298c0.tar.xz | |
ARC: atomic_cmpxchg/atomic_xchg: implement relaxed variants
And move them out of cmpxchg.h to canonical atomic.h
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
Diffstat (limited to 'arch/arc/include/asm/atomic.h')
| -rw-r--r-- | arch/arc/include/asm/atomic.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h index ee88e1dbaab5..52ee51e1ff7c 100644 --- a/arch/arc/include/asm/atomic.h +++ b/arch/arc/include/asm/atomic.h @@ -22,6 +22,33 @@ #include <asm/atomic-spinlock.h> #endif +#define arch_atomic_cmpxchg(v, o, n) \ +({ \ + arch_cmpxchg(&((v)->counter), (o), (n)); \ +}) + +#ifdef arch_cmpxchg_relaxed +#define arch_atomic_cmpxchg_relaxed(v, o, n) \ +({ \ + arch_cmpxchg_relaxed(&((v)->counter), (o), (n)); \ +}) +#endif + +#define arch_atomic_xchg(v, n) \ +({ \ + arch_xchg(&((v)->counter), (n)); \ +}) + +#ifdef arch_xchg_relaxed +#define arch_atomic_xchg_relaxed(v, n) \ +({ \ + arch_xchg_relaxed(&((v)->counter), (n)); \ +}) +#endif + +/* + * 64-bit atomics + */ #ifdef CONFIG_GENERIC_ATOMIC64 #include <asm-generic/atomic64.h> #else |