From: Avi Kivity <[EMAIL PROTECTED]>
- save the full value of the msr, even if the enable bit is clear
- clear previous value of time_page
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 5339ab1..cf11e6d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -589,16 +589,17 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr,
u64 data)
kvm_write_wall_clock(vcpu->kvm, data);
break;
case MSR_KVM_SYSTEM_TIME: {
- if (vcpu->arch.time_page)
+ if (vcpu->arch.time_page) {
kvm_release_page_dirty(vcpu->arch.time_page);
+ vcpu->arch.time_page = NULL;
+ }
+
+ vcpu->arch.time = data;
/* we verify if the enable bit is set... */
- if (!(data & 1)) {
- vcpu->arch.time = NULL;
+ if (!(data & 1))
break;
- }
- vcpu->arch.time = data & PAGE_MASK;
/* ...but clean it before doing the actual write */
vcpu->arch.time_offset = data & ~(PAGE_MASK | 1);
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