static int nested_vmx_check_vmcs12(struct kvm_vcpu *vcpu)
{
	struct vcpu_vmx *vmx = to_vmx(vcpu);
	if (vmx->nested.current_vmptr == -1ull) {
		nested_vmx_failInvalid(vcpu);
		skip_emulated_instruction(vcpu);
		return 0;
	}
	return 1;
}
Unknown