From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266702AbUGVQSO (ORCPT ); Thu, 22 Jul 2004 12:18:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266707AbUGVQSN (ORCPT ); Thu, 22 Jul 2004 12:18:13 -0400 Received: from mx1.elte.hu ([157.181.1.137]:1185 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S266702AbUGVQSK (ORCPT ); Thu, 22 Jul 2004 12:18:10 -0400 Date: Thu, 22 Jul 2004 18:19:41 +0200 From: Ingo Molnar To: Rudo Thomas Cc: linux-kernel@vger.kernel.org Subject: Re: scheduling while atomic (Re: voluntary-preempt-2.6.8-rc2-H9) Message-ID: <20040722161941.GA23972@elte.hu> References: <20040721000348.39dd3716.akpm@osdl.org> <20040721053007.GA8376@elte.hu> <1090389791.901.31.camel@mindpipe> <20040721082218.GA19013@elte.hu> <20040721183010.GA2206@yoda.timesys> <20040721210051.GA2744@yoda.timesys> <20040721211826.GB30871@elte.hu> <20040721223749.GA2863@yoda.timesys> <20040722100657.GA14909@elte.hu> <20040722160055.GA4837@ss1000.ms.mff.cuni.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040722160055.GA4837@ss1000.ms.mff.cuni.cz> 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 * Rudo Thomas wrote: > Hello there. > > I finally managed to try out the voluntary preemption patch (H9 on > 2.6.8-rc2). > > The syslog got flooded by these thx for the report - i fixed this in the -I0 patch: http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.8-rc2-I0 (the problem only occured when CONFIG_PREEMPT was enabled.) -I0 also fixes two more softirq latency sources: rt_run_flush() (this one got reported previously) and cache_reap(). -I0 boots up fine with CONFIG_PREEMPT_VOLUNTARY & CONFIG_PREEMPT enabled. Ingo