Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754234Ab3JVUrG (ORCPT ); Tue, 22 Oct 2013 16:47:06 -0400 Received: from merlin.infradead.org ([205.233.59.134]:60922 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754729Ab3JVUrE (ORCPT ); Tue, 22 Oct 2013 16:47:04 -0400 Date: Tue, 22 Oct 2013 22:46:59 +0200 From: Peter Zijlstra To: Michael wang Cc: Fengguang Wu , Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: [sched] WARNING: CPU: 0 PID: 3166 at kernel/cpu.c:84 put_online_cpus() Message-ID: <20131022204659.GE2490@laptop.programming.kicks-ass.net> References: <20131019005129.GA5979@localhost> <52649F5E.2080303@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52649F5E.2080303@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 845 Lines: 27 On Mon, Oct 21, 2013 at 11:28:30AM +0800, Michael wang wrote: > Hi, Fengguang > > On 10/19/2013 08:51 AM, Fengguang Wu wrote: > > Greetings, > > Will this do any helps? > > 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; > } Just so.. -- 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/