From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932469Ab1KBOv4 (ORCPT ); Wed, 2 Nov 2011 10:51:56 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.125]:49499 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755469Ab1KBOvz (ORCPT ); Wed, 2 Nov 2011 10:51:55 -0400 X-Authority-Analysis: v=1.1 cv=QqHiGEe6yGvmA2Hj/+B5Qdh2oWFRI3gWtdRZxD5t9t4= c=1 sm=0 a=nDqYd8iKHsYA:10 a=5SG0PmZfjMsA:10 a=Q9fys5e9bTEA:10 a=ZycB6UtQUfgMyuk2+PxD7w==:17 a=D_SbEOMbAAAA:8 a=KKAkSRfTAAAA:8 a=VnNF1IyMAAAA:8 a=pIXEY-7nDbGQ7ruKct8A:9 a=PUjeQqilurYA:10 a=7KbvKZvEaC0A:10 a=WwgC8nHKvroA:10 a=ZycB6UtQUfgMyuk2+PxD7w==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.80.29 Message-ID: <1320245512.4793.29.camel@gandalf.stny.rr.com> Subject: Re: linux-next 20111025: warnings in rcu_idle_exit_common()/rcu_idle_enter_common() From: Steven Rostedt To: paulmck@linux.vnet.ibm.com Cc: Wu Fengguang , "linux-kernel@vger.kernel.org" , Ingo Molnar , Lai Jiangshan , Frederic Weisbecker , Carsten Emde Date: Wed, 02 Nov 2011 10:51:52 -0400 In-Reply-To: <20111102144403.GA22445@linux.vnet.ibm.com> References: <20111031082634.GA10348@localhost> <20111031095152.GL6160@linux.vnet.ibm.com> <20111031104325.GA25808@localhost> <20111031114142.GA32555@localhost> <20111031121951.GM6160@linux.vnet.ibm.com> <1320075882.4793.4.camel@gandalf.stny.rr.com> <20111101003434.GR6160@linux.vnet.ibm.com> <20111101070720.GA22936@localhost> <20111101160014.GH2287@linux.vnet.ibm.com> <20111101163212.GA19501@localhost> <20111102144403.GA22445@linux.vnet.ibm.com> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.0.3-2 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2011-11-02 at 07:44 -0700, Paul E. McKenney wrote: > rcu: Fix idle-task checks > > RCU has traditionally relied on idle_cpu() to determine whether a given > CPU is running in the context of an idle task, but recent changes have > invalidated this approach. This commit therefore switches from idle_cpu > to "current->pid != 0". > > Suggested-by: Carsten Emde > Signed-off-by: Paul E. McKenney > Signed-off-by: Paul E. McKenney I always knew you had a split personality Paul ;) -- Steve