Date: Sat, 3 Oct 2009 15:02:55 +0000 (UTC) From: Attilio Rao <attilio@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/kern kern_lock.c Message-ID: <200910031503.n93F3CbO022600@repoman.freebsd.org>
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attilio 2009-10-03 15:02:55 UTC
FreeBSD src repository
Modified files:
sys/kern kern_lock.c
Log:
SVN rev 197735 on 2009-10-03 15:02:55Z by attilio
When releasing a lockmgr held in shared way we need to use a write memory
barrier in order to avoid, on architectures which doesn't have strong
ordered writes, CPU instructions reordering.
Diagnosed by: fabio
Revision Changes Path
1.149 +3 -3 src/sys/kern/kern_lock.c
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