Date: Wed, 25 Apr 2007 18:21:24 +0000 (UTC) From: Stephan Uphoff <ups@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: <200704251821.l3PILPpD026659@repoman.freebsd.org>
next in thread | raw e-mail | index | archive | help
ups 2007-04-25 18:21:24 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/amd64/amd64 pmap.c
sys/i386/i386 pmap.c
Log:
MFC:
Invalidate all TLBs and page structure caches that may reference a page
for page walk acceleration before releasing it to the free list.
This is required for CPUs implementing page structure caches as described
in the Intel application note:
"TLBs, Paging-Structure Caches, and Their Invalidation"
(Document Number: 317080-001)
Revision Changes Path
1.516.2.10 +65 -28 src/sys/amd64/amd64/pmap.c
1.523.2.17 +67 -25 src/sys/i386/i386/pmap.c
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200704251821.l3PILPpD026659>