From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264098AbUHSIwY (ORCPT ); Thu, 19 Aug 2004 04:52:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264153AbUHSItA (ORCPT ); Thu, 19 Aug 2004 04:49:00 -0400 Received: from mx2.elte.hu ([157.181.151.9]:30875 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S264085AbUHSIrj (ORCPT ); Thu, 19 Aug 2004 04:47:39 -0400 Date: Thu, 19 Aug 2004 10:48:34 +0200 From: Ingo Molnar To: Lee Revell Cc: linux-kernel , Thomas Charbonnel , Florian Schmidt , Felipe Alfaro Solana , William Lee Irwin III Subject: Re: [patch] voluntary-preempt-2.6.8.1-P4 Message-ID: <20040819084834.GA4536@elte.hu> References: <20040816040515.GA13665@elte.hu> <1092654819.5057.18.camel@localhost> <20040816113131.GA30527@elte.hu> <20040816120933.GA4211@elte.hu> <1092716644.876.1.camel@krustophenia.net> <20040817080512.GA1649@elte.hu> <20040819073247.GA1798@elte.hu> <1092902417.8432.108.camel@krustophenia.net> <20040819084001.GA4098@elte.hu> <1092905104.8432.116.camel@krustophenia.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1092905104.8432.116.camel@krustophenia.net> User-Agent: Mutt/1.4.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Lee Revell wrote: > > wli indicated he's working on the pagetable zapping critical section > > issue - wli? > > In the meantime, can we easily do a touch_preempt_timing() here, to > disable reporting of this issue, so we can continue to identify > others? This one is frequent enough that I have not been able to > identify any more. yeah, you can add touch_preempt_timing() there. (i'd rather not do it in the patch, to get real results.) It is safe to add it anywhere in the source, it only has side-effects on tracing. Ingo