Re: [PATCH 04/22] idle/intel: Convert to hotplug state machine

From: Thomas Gleixner
Date: Mon Nov 28 2016 - 12:32:34 EST


On Sun, 27 Nov 2016, Sebastian Andrzej Siewior wrote:
> +static enum cpuhp_state hp_online;
> +
> static int __init intel_idle_init(void)
> {
...

> - cpu_notifier_register_done();
> + retval = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "idle/intel:online",
> + intel_idle_cpu_online, NULL);
> + if (retval < 0)
> + goto hp_setup_fail;
> + hp_online = retval;

Why do you want to store that. There is no exit function AFAICT.

Thanks,

tglx