From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753883AbcK1Rcd (ORCPT ); Mon, 28 Nov 2016 12:32:33 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:46536 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753585AbcK1RcV (ORCPT ); Mon, 28 Nov 2016 12:32:21 -0500 Date: Mon, 28 Nov 2016 18:29:41 +0100 (CET) From: Thomas Gleixner To: Sebastian Andrzej Siewior cc: linux-kernel@vger.kernel.org, rt@linutronix.de, Len Brown , linux-pm@vger.kernel.org Subject: Re: [PATCH 04/22] idle/intel: Convert to hotplug state machine In-Reply-To: <20161126231350.10321-5-bigeasy@linutronix.de> Message-ID: References: <20161126231350.10321-1-bigeasy@linutronix.de> <20161126231350.10321-5-bigeasy@linutronix.de> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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