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(parent: c3eb99c) | patch
Eliminate branch and insert an explicit reader memory barrier to ensure
authordavidxu <davidxu@FreeBSD.org>
Mon, 16 Jan 2012 04:39:10 +0000 (04:39 +0000)
committerdavidxu <davidxu@FreeBSD.org>
Mon, 16 Jan 2012 04:39:10 +0000 (04:39 +0000)
commit048374848083ea70c8db1b41fbf306b92d637424
treee31397ae47dce570c6153915c2d93ee3963d3206tree | snapshot
parentc3eb99c02f5a835a7f7ab6408db640e2ec155392commit | diff
Eliminate branch and insert an explicit reader memory barrier to ensure
that waiter bit is set before reading semaphore count.
sys/kern/kern_umtx.c diff | blob | history
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