kvm_clock_system_time_enable
kvm_clock_system_time_enable(sc, &cpus);
kvm_clock_system_time_enable(sc, &all_cpus);
kvm_clock_system_time_enable(device_get_softc(dev), &all_cpus);
static void kvm_clock_system_time_enable(struct kvm_clock_softc *sc,