void __init lockup_detector_init(void)
{
if (smpboot_register_percpu_thread(&watchdog_threads)) {
pr_err("Failed to create watchdog threads, disabled\n");
watchdog_disabled = -ENODEV;
}
}
static int cpu_boost_init(void)
{
int cpu, ret;
struct cpu_sync *s;
cpufreq_register_notifier(&boost_adjust_nb, CPUFREQ_POLICY_NOTIFIER);
cpu_boost_wq = alloc_workqueue("cpuboost_wq", WQ_HIGHPRI, 0);
if (!cpu_boost_wq)
return -EFAULT;
INIT_WORK(&input_boost_work, do_input_boost);
for_each_possible_cpu(cpu) {
s = &per_cpu(sync_info, cpu);
s->cpu = cpu;
spin_lock_init(&s->lock);
INIT_DELAYED_WORK(&s->boost_rem, do_boost_rem);
INIT_DELAYED_WORK(&s->input_boost_rem, do_input_boost_rem);
}
atomic_notifier_chain_register(&migration_notifier_head,
&boost_migration_nb);
ret = smpboot_register_percpu_thread(&cpuboost_threads);
if (ret)
pr_err("Cannot register cpuboost threads.\n");
ret = input_register_handler(&cpuboost_input_handler);
if (ret)
pr_err("Cannot register cpuboost input handler.\n");
return ret;
}
static __init int spawn_ksoftirqd(void)
{
register_cpu_notifier(&cpu_nfb);
BUG_ON(smpboot_register_percpu_thread(&softirq_threads));
return 0;
}
static __init int spawn_ksoftirqd(void)
{
cpuhp_setup_state_nocalls(CPUHP_SOFTIRQ_DEAD, "softirq:dead", NULL,
takeover_tasklets);
BUG_ON(smpboot_register_percpu_thread(&softirq_threads));
return 0;
}
static int watchdog_enable_all_cpus(bool sample_period_changed)
{
int err = 0;
if (!watchdog_running) {
err = smpboot_register_percpu_thread(&watchdog_threads);
if (err)
pr_err("Failed to create watchdog threads, disabled\n");
else
watchdog_running = 1;
} else if (sample_period_changed) {
update_timers_all_cpus();
}
return err;
}
void __init cpuhp_threads_init(void)
{
BUG_ON(smpboot_register_percpu_thread(&cpuhp_threads));
kthread_unpark(this_cpu_read(cpuhp_state.thread));
}
static __init int spawn_my_hotplug_threads(void){
BUG_ON(smpboot_register_percpu_thread(&my_hotplug_threads));
return 0;
}