KVM_VCPU_TSC_CTRL
if (attr.group != KVM_VCPU_TSC_CTRL)
__TEST_REQUIRE(!__vcpu_has_device_attr(vcpu, KVM_VCPU_TSC_CTRL,
vcpu_device_attr_set(vcpu, KVM_VCPU_TSC_CTRL, KVM_VCPU_TSC_OFFSET,