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authorPeter Zijlstra <peterz@infradead.org>2020-06-18 22:28:37 +0200
committerPeter Zijlstra <peterz@infradead.org>2020-11-24 16:47:49 +0100
commit2914b0ba61a9d253535e51af16c7122a8148995d (patch)
tree1964cfeb5a14ef00bbc04fa237427f54caa32c74 /kernel/smp.c
parent545b8c8df41f9ecbaf806332d4095bc4bc7c14e8 (diff)
irq_work: Optimize irq_work_single()
Trade one atomic op for a full memory barrier. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Diffstat (limited to 'kernel/smp.c')
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