Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756497Ab3J1Nec (ORCPT ); Mon, 28 Oct 2013 09:34:32 -0400 Received: from terminus.zytor.com ([198.137.202.10]:58806 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755037Ab3J1Nea (ORCPT ); Mon, 28 Oct 2013 09:34:30 -0400 Date: Mon, 28 Oct 2013 06:33:36 -0700 From: tip-bot for Michael wang Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, peterz@infradead.org, wangyun@linux.vnet.ibm.com, tglx@linutronix.de, fengguang.wu@intel.com Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, peterz@infradead.org, wangyun@linux.vnet.ibm.com, tglx@linutronix.de, fengguang.wu@intel.com In-Reply-To: <526DD0EE.1090309@linux.vnet.ibm.com> References: <526DD0EE.1090309@linux.vnet.ibm.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] sched: Remove extra put_online_cpus() inside sched_setaffinity() Git-Commit-ID: ac9ff7997b6f2b31949dcd2495ac671fd9ddc990 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.1 (terminus.zytor.com [127.0.0.1]); Mon, 28 Oct 2013 06:33:43 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1730 Lines: 50 Commit-ID: ac9ff7997b6f2b31949dcd2495ac671fd9ddc990 Gitweb: http://git.kernel.org/tip/ac9ff7997b6f2b31949dcd2495ac671fd9ddc990 Author: Michael wang AuthorDate: Mon, 28 Oct 2013 10:50:22 +0800 Committer: Ingo Molnar CommitDate: Mon, 28 Oct 2013 11:36:50 +0100 sched: Remove extra put_online_cpus() inside sched_setaffinity() Commit 6acce3ef8: sched: Remove get_online_cpus() usage has left one extra put_online_cpus() inside sched_setaffinity(), remove it to fix the WARN: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3166 at kernel/cpu.c:84 put_online_cpus+0x43/0x70() ... [] put_online_cpus+0x43/0x70 [ [] sched_setaffinity+0x7d/0x1f9 [ ... Reported-by: Fengguang Wu Tested-by: Fengguang Wu Signed-off-by: Michael Wang Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/526DD0EE.1090309@linux.vnet.ibm.com Signed-off-by: Ingo Molnar --- kernel/sched/core.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index c06b8d3..7c61f31 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3716,7 +3716,6 @@ long sched_setaffinity(pid_t pid, const struct cpumask *in_mask) p = find_process_by_pid(pid); if (!p) { rcu_read_unlock(); - put_online_cpus(); return -ESRCH; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/