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authorDimitry Andric <dim@cvs.openbsd.org>2006-06-15 13:18:52 +0000
committerDimitry Andric <dim@cvs.openbsd.org>2006-06-15 13:18:52 +0000
commitbb89462af804753dbc1577aef76481608904576a (patch)
tree07a722c5a1988877856c2626352504d9c5367227 /sys/arch/i386
parent4fd4312e65b7164b63985fac57477dd0a11a469c (diff)
Add proper masking of reserved bits, when we test if the thermal
control MSR was written successfully. ok tedu@
Diffstat (limited to 'sys/arch/i386')
-rw-r--r--sys/arch/i386/i386/p4tcc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arch/i386/i386/p4tcc.c b/sys/arch/i386/i386/p4tcc.c
index b718e48a3e0..7f3e5b75d3f 100644
--- a/sys/arch/i386/i386/p4tcc.c
+++ b/sys/arch/i386/i386/p4tcc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: p4tcc.c,v 1.7 2006/06/13 20:47:42 miod Exp $ */
+/* $OpenBSD: p4tcc.c,v 1.8 2006/06/15 13:18:51 dim Exp $ */
/*
* Copyright (c) 2003 Ted Unangst
* All rights reserved.
@@ -110,7 +110,7 @@ p4tcc_setperf(int level)
wrmsr(MSR_THERM_CONTROL, msreg);
vet = rdmsr(MSR_THERM_CONTROL);
- if (vet != msreg) {
+ if ((vet & 0x1e) != (msreg & 0x1e)) {
printf("p4_tcc: cpu did not honor request\n");
return (EIO);
}