When HWCR is set to 0, store 0 in vcpu->arch.msr_hwcr.
Fixes: 191c8137a939 ("x86/kvm: Implement HWCR support")
Signed-off-by: Jim Mattson <jmattson@xxxxxxxxxx>
---
arch/x86/kvm/x86.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9f18b06bbda6..1a323cae219c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3701,12 +3701,11 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
data &= ~(u64)0x8; /* ignore TLB cache disable */
/* Handle McStatusWrEn */
- if (data == BIT_ULL(18)) {
- vcpu->arch.msr_hwcr = data;
- } else if (data != 0) {
+ if (data & ~BIT_ULL(18)) {
kvm_pr_unimpl_wrmsr(vcpu, msr, data);
return 1;
}
+ vcpu->arch.msr_hwcr = data;
break;
case MSR_FAM10H_MMIO_CONF_BASE:
if (data != 0) {
--
2.42.0.515.g380fc7ccd1-goog
