Date: Fri, 8 Apr 2011 21:26:50 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/amd64/amd64 exception.S Message-ID: <201104082127.p38LR0sL035683@repoman.freebsd.org>
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kib 2011-04-08 21:26:50 UTC
FreeBSD src repository
Modified files:
sys/amd64/amd64 exception.S
Log:
SVN rev 220460 on 2011-04-08 21:26:50Z by kib
Disable local interrupts before testing the PCB_FULL_IRET flag.
Thread might be preempted after testing, which causes the flag to be
cleared. If ast was not delivered, we will do sysret with potentially
wrong fs/gs bases.
Reviewed by: jhb, jkim
MFC after: 1 week (together with r220430, r220452)
Revision Changes Path
1.155 +2 -1 src/sys/amd64/amd64/exception.S
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