The fault that should be raised for a privilege level violation is #GP
rather than #UD.

Fixes: 727ba748 ("kvm: nVMX: Enforce cpl=0 for VMX instructions")
Signed-off-by: NJim Mattson <jmattson@google.com>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>