Date: Sat, 18 Sep 2004 04:27:00 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/amd64/amd64 pmap.c src/sys/i386/i386 pmap.c Message-ID: <200409180427.i8I4R0JU014828@repoman.freebsd.org>
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alc 2004-09-18 04:27:00 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_5)
sys/amd64/amd64 pmap.c
sys/i386/i386 pmap.c
Log:
MFC
Use atomic ops in pmap_clear_ptes() and pmap_protect() to prevent the loss
of a page modified (PG_M) bit in a race between processors.
Approved by: re (scottl)
PR: i386/61852
Revision Changes Path
1.491.2.2 +14 -10 src/sys/amd64/amd64/pmap.c
1.494.2.4 +26 -10 src/sys/i386/i386/pmap.c
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