From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756943AbaGWCe4 (ORCPT ); Tue, 22 Jul 2014 22:34:56 -0400 Received: from mga09.intel.com ([134.134.136.24]:34380 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753038AbaGWCew (ORCPT ); Tue, 22 Jul 2014 22:34:52 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,714,1400050800"; d="scan'208";a="577335691" From: "Chen, Gong" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, tglx@linutronix.de, paulus@samba.org, benh@kernel.crashing.org, tony.luck@intel.com, hpa@zytor.com, jkosina@suse.cz, rafael.j.wysocki@intel.com, bp@alien8.de, linux@arm.linux.org.uk, ralf@linux-mips.org, schwidefsky@de.ibm.com, davem@davemloft.net, viro@zeniv.linux.org.uk, fweisbec@gmail.com, cl@linux.com, akpm@linux-foundation.org, axboe@kernel.dk, JBottomley@parallels.com, neilb@suse.de, christoffer.dall@linaro.org, rostedt@goodmis.org, rric@kernel.org, gregkh@linuxfoundation.org, mhocko@suse.cz, david@fromorbit.com, "Chen, Gong" Subject: [RFC PATCH v1 32/70] kernel, smp: _FROZEN Cleanup Date: Tue, 22 Jul 2014 21:59:08 -0400 Message-Id: <1406080786-3938-33-git-send-email-gong.chen@linux.intel.com> X-Mailer: git-send-email 2.0.0.rc2 In-Reply-To: <1406080786-3938-1-git-send-email-gong.chen@linux.intel.com> References: <1406080786-3938-1-git-send-email-gong.chen@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Remove XXX_FROZEN state from kernel/smp. Signed-off-by: Chen, Gong --- kernel/smp.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/kernel/smp.c b/kernel/smp.c index 80c33f8..808ec06 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -37,9 +37,8 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu) long cpu = (long)hcpu; struct call_function_data *cfd = &per_cpu(cfd_data, cpu); - switch (action) { + switch (action & ~CPU_TASKS_FROZEN) { case CPU_UP_PREPARE: - case CPU_UP_PREPARE_FROZEN: if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL, cpu_to_node(cpu))) return notifier_from_errno(-ENOMEM); @@ -52,17 +51,12 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu) #ifdef CONFIG_HOTPLUG_CPU case CPU_UP_CANCELED: - case CPU_UP_CANCELED_FROZEN: - /* Fall-through to the CPU_DEAD[_FROZEN] case. */ - case CPU_DEAD: - case CPU_DEAD_FROZEN: free_cpumask_var(cfd->cpumask); free_percpu(cfd->csd); break; case CPU_DYING: - case CPU_DYING_FROZEN: /* * The IPIs for the smp-call-function callbacks queued by other * CPUs might arrive late, either due to hardware latencies or -- 2.0.0.rc2