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KVM: Don't save/restore MSR_IA32_PERF_STATUS
author
Avi Kivity
<avi@redhat.com>
Wed, 1 Sep 2010 07:23:35 +0000
(10:23 +0300)
committer
Avi Kivity
<avi@redhat.com>
Sun, 24 Oct 2010 08:51:51 +0000
(10:51 +0200)
It is read/only; restoring it only results in annoying messages.
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/kvm/x86.c
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diff --git
a/arch/x86/kvm/x86.c
b/arch/x86/kvm/x86.c
index
d0ba857
..
1c97238
100644
(file)
--- a/
arch/x86/kvm/x86.c
+++ b/
arch/x86/kvm/x86.c
@@
-739,7
+739,7
@@
static u32 msrs_to_save[] = {
#ifdef CONFIG_X86_64
MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR,
#endif
- MSR_IA32_TSC, MSR_IA32_
PERF_STATUS, MSR_IA32_
CR_PAT, MSR_VM_HSAVE_PA
+ MSR_IA32_TSC, MSR_IA32_CR_PAT, MSR_VM_HSAVE_PA
};
static unsigned num_msrs_to_save;