Date: Sat, 9 Oct 2010 08:07:49 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/kern kern_shutdown.c Message-ID: <201010090808.o99889iF013471@repoman.freebsd.org>
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avg 2010-10-09 08:07:49 UTC
FreeBSD src repository
Modified files:
sys/kern kern_shutdown.c
Log:
SVN rev 213648 on 2010-10-09 08:07:49Z by avg
panic_cpu variable should be volatile
This is to prevent caching of its value in a register when it is checked
and modified by multiple CPUs in parallel.
Also, move the variable into the scope of the only function that uses it.
Reviewed by: jhb
Hint from: mdf
MFC after: 1 week
Revision Changes Path
1.206 +3 -4 src/sys/kern/kern_shutdown.c
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