[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] svm: amend c/s 24990:322300fd2ebd (fake BU_CFG MSR on AMD revF)
# HG changeset patch # User Jan Beulich <jbeulich@xxxxxxxx> # 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@xxxxxxxx> Acked-by: Keir Fraser <keir@xxxxxxx> Acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx> --- 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@xxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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