From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 04/22] idle/intel: Convert to hotplug state machine
Date: Mon, 28 Nov 2016 18:29:41 +0100 (CET)
Message-ID: <alpine.DEB.2.20.1611281828050.3512@nanos>
References: <20161126231350.10321-1-bigeasy@linutronix.de> <20161126231350.10321-5-bigeasy@linutronix.de>
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To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-kernel@vger.kernel.org, rt@linutronix.de, Len Brown <lenb@kernel.org>, linux-pm@vger.kernel.org

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