Date: Mon, 14 Dec 2009 01:26:01 +0000 (UTC) From: Marcel Moolenaar <marcel@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/lib/libthr/thread thr_umtx.c Message-ID: <200912140126.nBE1QMix000900@repoman.freebsd.org>
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marcel 2009-12-14 01:26:01 UTC
FreeBSD src repository
Modified files:
lib/libthr/thread thr_umtx.c
Log:
SVN rev 200498 on 2009-12-14 01:26:01Z by marcel
Work-around a race condition on ia64 while unlocking a contested lock.
The race condition is believed to be in UMTX_OP_MUTEX_WAKE. On ia64,
we simply go to the kernel to unlock.
The big question is why this is only a race condition on ia64...
MFC after: 3 days
Revision Changes Path
1.18 +3 -0 src/lib/libthr/thread/thr_umtx.c
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