From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755640Ab0CETHm (ORCPT ); Fri, 5 Mar 2010 14:07:42 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:48065 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755473Ab0CETHk (ORCPT ); Fri, 5 Mar 2010 14:07:40 -0500 X-Authority-Analysis: v=1.0 c=1 a=u-VO3dv88eYA:10 a=7U3hwN5JcxgA:10 a=Q9fys5e9bTEA:10 a=3B3QUnQ_ccEuKMYyK0gA:9 a=tBCaEVvCudFRCKQDFE5KnVFXaNYA:4 a=PUjeQqilurYA:10 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.89.75 Subject: Re: 2.6.33: ftrace triggers soft lockup From: Steven Rostedt Reply-To: rostedt@goodmis.org To: Frederic Weisbecker Cc: Peter Zijlstra , =?ISO-8859-1?Q?Am=E9rico?= Wang , LKML , Ingo Molnar In-Reply-To: <20100305184358.GG5244@nowhere> References: <2375c9f91003022204p5bdab1fdj3b3500998575fc28@mail.gmail.com> <1267710847.10871.102.camel@gandalf.stny.rr.com> <2375c9f91003042014y17588865g8f9110e666ac2456@mail.gmail.com> <2375c9f91003042316g6e774d60n90dfc4784d3b66bf@mail.gmail.com> <1267801603.10871.1725.camel@gandalf.stny.rr.com> <20100305171614.GC5244@nowhere> <1267814100.10871.1780.camel@gandalf.stny.rr.com> <20100305184358.GG5244@nowhere> Content-Type: text/plain; charset="ISO-8859-15" Organization: Kihon Technologies Inc. Date: Fri, 05 Mar 2010 14:07:37 -0500 Message-ID: <1267816057.10871.1781.camel@gandalf.stny.rr.com> Mime-Version: 1.0 X-Mailer: Evolution 2.28.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2010-03-05 at 19:43 +0100, Frederic Weisbecker wrote: > Ouch...that's the hardirqs_off_events/redundant_hardirqs_off variables? > Those should be clearly made per cpu. Yeah, probably all the debug_atomic_inc(*) variables should be made per-cpu. Should not be too hard since they are already wrapped in macros. -- Steve