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PR/41058 CVS commit: src/sys/arch/arm/arm32
The following reply was made to PR kern/41058; it has been noted by GNATS.
From: Steve Woodford <scw%netbsd.org@localhost>
Subject: PR/41058 CVS commit: src/sys/arch/arm/arm32
Date: Sat, 28 Nov 2009 11:44:45 +0000
Module Name: src
Committed By: scw
Date: Sat Nov 28 11:44:45 UTC 2009
Apply some band-aid to pmap_activate() for PR kern/41058:
There's a corner case here which can leave turds in the cache as
reported in kern/41058. They're probably left over during tear-down and
switching away from an exiting process. Until the root cause is identified
and fixed, zap the cache when switching pmaps. This will result in a few
unnecessary cache flushes, but that's better than silently corrupting data.
Also remove an extraneous return statement in pmap_page_protect() which
crept in during the matt-armv6 merge.
To generate a diff of this commit:
cvs rdiff -u -r1.202 -r1.203 src/sys/arch/arm/arm32/pmap.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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