From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760775Ab2FDPPd (ORCPT ); Mon, 4 Jun 2012 11:15:33 -0400 Received: from www.linutronix.de ([62.245.132.108]:41936 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753061Ab2FDPPc (ORCPT ); Mon, 4 Jun 2012 11:15:32 -0400 Date: Mon, 4 Jun 2012 17:15:30 +0200 (CEST) From: Thomas Gleixner To: Linus Torvalds cc: Andrew Morton , LKML Subject: [GIT pull] smp updates for 3.5 Message-ID: User-Agent: Alpine 2.02 (LFD 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus, please pull the latest smp-hotplug-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git smp-hotplug-for-linus Thanks, tglx ------------------> Srivatsa S. Bhat (2): smpboot, idle: Optimize calls to smp_processor_id() in idle_threads_init() smpboot, idle: Fix comment mismatch over idle_threads_init() kernel/smpboot.c | 17 +++++++++++------ 1 files changed, 11 insertions(+), 6 deletions(-) diff --git a/kernel/smpboot.c b/kernel/smpboot.c index e1a797e..98f60c5 100644 --- a/kernel/smpboot.c +++ b/kernel/smpboot.c @@ -31,6 +31,12 @@ void __init idle_thread_set_boot_cpu(void) per_cpu(idle_threads, smp_processor_id()) = current; } +/** + * idle_init - Initialize the idle thread for a cpu + * @cpu: The cpu for which the idle thread should be initialized + * + * Creates the thread if it does not exist. + */ static inline void idle_init(unsigned int cpu) { struct task_struct *tsk = per_cpu(idle_threads, cpu); @@ -45,17 +51,16 @@ static inline void idle_init(unsigned int cpu) } /** - * idle_thread_init - Initialize the idle thread for a cpu - * @cpu: The cpu for which the idle thread should be initialized - * - * Creates the thread if it does not exist. + * idle_threads_init - Initialize idle threads for all cpus */ void __init idle_threads_init(void) { - unsigned int cpu; + unsigned int cpu, boot_cpu; + + boot_cpu = smp_processor_id(); for_each_possible_cpu(cpu) { - if (cpu != smp_processor_id()) + if (cpu != boot_cpu) idle_init(cpu); } }