Commit cda7e413 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Thomas Gleixner

arc: 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: default avatarVineet Gupta <vgupta@synopsys.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 212d3be1
......@@ -143,14 +143,29 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OPS(add, +=, add)
ATOMIC_OPS(sub, -=, sub)
ATOMIC_OP(and, &=, and)
#define atomic_clear_mask(mask, v) atomic_and(~(mask), (v))
#define CONFIG_ARCH_HAS_ATOMIC_OR
#define atomic_andnot atomic_andnot
ATOMIC_OP(and, &=, and)
ATOMIC_OP(andnot, &= ~, bic)
ATOMIC_OP(or, |=, or)
ATOMIC_OP(xor, ^=, xor)
#undef ATOMIC_OPS
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v)
{
atomic_and(~mask, v);
}
static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v)
{
atomic_or(mask, v);
}
/**
* __atomic_add_unless - add unless the number is a given value
* @v: pointer of type atomic_t
......
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