smpboot_register_percpu_thread
rc = smpboot_register_percpu_thread(&wti_threads);
ret = smpboot_register_percpu_thread(&vmbus_irq_threads);
return smpboot_register_percpu_thread(&idle_inject_threads);
int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread);
BUG_ON(smpboot_register_percpu_thread(&cpuhp_threads));
BUG_ON(smpboot_register_percpu_thread(&irqwork_threads));
WARN_ONCE(smpboot_register_percpu_thread(&rcu_cpu_thread_spec),
EXPORT_SYMBOL_GPL(smpboot_register_percpu_thread);
BUG_ON(smpboot_register_percpu_thread(&softirq_threads));
BUG_ON(smpboot_register_percpu_thread(&timer_thread));
BUG_ON(smpboot_register_percpu_thread(&cpu_stop_threads));
smpboot_register_percpu_thread(&backlog_threads);