aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAvi Kivity <avi@redhat.com>2009-02-15 02:32:07 +0200
committerAvi Kivity <avi@redhat.com>2009-02-15 02:32:07 +0200
commit865d48188a04fc8fe93ff470d9dff7ca59737ce3 (patch)
treed8887ccbf50eb591bcdcd8dd90decd93d03ec86b
parent48aa74b80e1dbef32f756104a9f5a18f58429c25 (diff)
KVM: VMX: Flush volatile msrs before emulating rdmsrkvm-84
Some msrs (notable MSR_KERNEL_GS_BASE) are held in the processor registers and need to be flushed to the vcpu struture before they can be read. This fixes cygwin longjmp() failure on Windows x64. Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--arch/x86/kvm/vmx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 7507ce216cec..cb27ffccf466 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -910,6 +910,7 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata)
data = vmcs_readl(GUEST_SYSENTER_ESP);
break;
default:
+ vmx_load_host_state(to_vmx(vcpu));
msr = find_msr_entry(to_vmx(vcpu), msr_index);
if (msr) {
data = msr->data;