Commit 516a1a7e authored Feb 15, 2009 by Avi Kivity

KVM: VMX: Flush volatile msrs before emulating rdmsr



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>

parent 682edb4c

arch/x86/kvm/vmx.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -903,6 +903,7 @@ 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;