lwkt_serialize_wakeup
atomic_intr_cond_exit(&s->interlock, lwkt_serialize_wakeup, s);
atomic_intr_cond_exit(&s->interlock, lwkt_serialize_wakeup, s);
atomic_intr_cond_exit(&s->interlock, lwkt_serialize_wakeup, s);
static void lwkt_serialize_wakeup(void *info);