From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761547AbcLRNwg (ORCPT ); Sun, 18 Dec 2016 08:52:36 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:51768 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753609AbcLRNwf (ORCPT ); Sun, 18 Dec 2016 08:52:35 -0500 Date: Sun, 18 Dec 2016 14:49:28 +0100 (CET) From: Thomas Gleixner To: Linus Torvalds cc: LKML , Andrew Morton , Ingo Molnar , "H. Peter Anvin" Subject: [GIT pull] smp/hotplug fixes for 4.10 Message-ID: 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 Linus, please pull the latest smp-urgent-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git smp-urgent-for-linus Two fixlets for cpu hotplug: - Fix a subtle ordering problem with the dummy timer. This happened to work before the conversion by chance due to initcall ordering. - Fix the function comment for __cpuhp_setup_state(). Thanks, tglx ------------------> Boris Ostrovsky (1): cpu/hotplug: Clarify description of __cpuhp_setup_state() return value Thomas Gleixner (1): clocksource/dummy_timer: Move hotplug callback after the real timers include/linux/cpuhotplug.h | 3 ++- kernel/cpu.c | 6 +++++- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 22acee76cf4c..2ab7bf53d529 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -101,7 +101,6 @@ enum cpuhp_state { CPUHP_AP_ARM_L2X0_STARTING, CPUHP_AP_ARM_ARCH_TIMER_STARTING, CPUHP_AP_ARM_GLOBAL_TIMER_STARTING, - CPUHP_AP_DUMMY_TIMER_STARTING, CPUHP_AP_JCORE_TIMER_STARTING, CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING, CPUHP_AP_ARM_TWD_STARTING, @@ -115,6 +114,8 @@ enum cpuhp_state { CPUHP_AP_KVM_ARM_VGIC_INIT_STARTING, CPUHP_AP_KVM_ARM_VGIC_STARTING, CPUHP_AP_KVM_ARM_TIMER_STARTING, + /* Must be the last timer callback */ + CPUHP_AP_DUMMY_TIMER_STARTING, CPUHP_AP_ARM_XEN_STARTING, CPUHP_AP_ARM_CORESIGHT_STARTING, CPUHP_AP_ARM_CORESIGHT4_STARTING, diff --git a/kernel/cpu.c b/kernel/cpu.c index 217fd2e7f435..5339aca811d2 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -1586,7 +1586,11 @@ EXPORT_SYMBOL_GPL(__cpuhp_state_add_instance); * @startup: startup callback function * @teardown: teardown callback function * - * Returns 0 if successful, otherwise a proper error code + * Returns: + * On success: + * Positive state number if @state is CPUHP_AP_ONLINE_DYN + * 0 for all other states + * On failure: proper (negative) error code */ int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke,