patchbot at xen
Mar 15, 2012, 9:33 PM
Post #1 of 1
(48 views)
Permalink
|
|
[xen-unstable] svm: amend c/s 24990:322300fd2ebd (fake BU_CFG MSR on AMD revF)
|
|
# HG changeset patch
# User Jan Beulich <jbeulich [at] suse>
# Date 1331820558 -3600
# Node ID f47d91cb0faac1f8b505bc5f61c9608d39010992
# Parent 4da1453ed61c28a366162b49b2f59f62e070a799
svm: amend c/s 24990:322300fd2ebd (fake BU_CFG MSR on AMD revF)
Let's restrict such a hack to the known affected family.
Signed-off-by: Jan Beulich <jbeulich [at] suse>
Acked-by: Keir Fraser <keir [at] xen>
Acked-by: George Dunlap <george.dunlap [at] eu>
---
diff -r 4da1453ed61c -r f47d91cb0faa xen/arch/x86/hvm/svm/svm.c
--- a/xen/arch/x86/hvm/svm/svm.c Thu Mar 15 11:47:27 2012 +0000
+++ b/xen/arch/x86/hvm/svm/svm.c Thu Mar 15 15:09:18 2012 +0100
@@ -1505,7 +1505,7 @@
if ( rdmsr_safe(msr, *msr_content) == 0 )
break;
- if ( msr == MSR_F10_BU_CFG )
+ if ( boot_cpu_data.x86 == 0xf && msr == MSR_F10_BU_CFG )
{
/* Win2k8 x64 reads this MSR on revF chips, where it
* wasn't publically available; it uses a magic constant
_______________________________________________
Xen-changelog mailing list
Xen-changelog [at] lists
http://lists.xensource.com/xen-changelog
|
