diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index aff0f3e..55f86ee 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3538,6 +3538,13 @@ static int vmx_set_vmx_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data) { struct vcpu_vmx *vmx = to_vmx(vcpu); + /* + * Don't allow changes to the VMX capability MSRs while the vCPU + * is in VMX operation. + */ + if (vmx->nested.vmxon) + return -EBUSY; + switch (msr_index) { case MSR_IA32_VMX_BASIC: return vmx_restore_vmx_basic(vmx, data); |
