PR/45892 CVS commit: src/sys/arch/x86/x86

["Chuck Silvers" <chs%netbsd.org@localhost>]

The following reply was made to PR port-amd64/45892; it has been noted by GNATS.

From: "Chuck Silvers" <chs%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/45892 CVS commit: src/sys/arch/x86/x86
Date: Sat, 11 Feb 2012 18:59:42 +0000

 Module Name:   src
 Committed By:  chs
 Date:          Sat Feb 11 18:59:41 UTC 2012
 
 Modified Files:
        src/sys/arch/x86/x86: pmap.c
 
 Log Message:
 zero out the unused parts of direct-map page-table pages.
 these seem to cause problems even though they aren't actually referenced,
 probably due to speculative execution.
 fixes PR 45892.
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.163 -r1.164 src/sys/arch/x86/x86/pmap.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.