svn commit: r204973 - releng/7.3/sys/amd64/amd64
Ken Smith
kensmith at FreeBSD.org
Wed Mar 10 19:55:28 UTC 2010
Author: kensmith
Date: Wed Mar 10 19:55:27 2010
New Revision: 204973
URL: http://svn.freebsd.org/changeset/base/204973
Log:
Back out r203073 due to issues recently discovered with machine check
hardware on some AMD processors that causes problems with running
FreeBSD as a guest on some virtual machine monitors. What is believed
to be the correct fix has been committed but should receive more testing
before it becomes part of a release.
Submitted by: alc
Approved by: re (kib)
Modified:
releng/7.3/sys/amd64/amd64/pmap.c
Directory Properties:
releng/7.3/sys/ (props changed)
releng/7.3/sys/cddl/contrib/opensolaris/ (props changed)
releng/7.3/sys/contrib/dev/acpica/ (props changed)
releng/7.3/sys/contrib/pf/ (props changed)
Modified: releng/7.3/sys/amd64/amd64/pmap.c
==============================================================================
--- releng/7.3/sys/amd64/amd64/pmap.c Wed Mar 10 19:50:52 2010 (r204972)
+++ releng/7.3/sys/amd64/amd64/pmap.c Wed Mar 10 19:55:27 2010 (r204973)
@@ -180,7 +180,7 @@ pt_entry_t pg_nx;
SYSCTL_NODE(_vm, OID_AUTO, pmap, CTLFLAG_RD, 0, "VM/pmap parameters");
-static int pg_ps_enabled = 1;
+static int pg_ps_enabled;
SYSCTL_INT(_vm_pmap, OID_AUTO, pg_ps_enabled, CTLFLAG_RDTUN, &pg_ps_enabled, 0,
"Are large page mappings enabled?");
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