From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262311AbULOJwe (ORCPT ); Wed, 15 Dec 2004 04:52:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262321AbULOJwe (ORCPT ); Wed, 15 Dec 2004 04:52:34 -0500 Received: from mx2.elte.hu ([157.181.151.9]:50893 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S262311AbULOJwY (ORCPT ); Wed, 15 Dec 2004 04:52:24 -0500 Date: Wed, 15 Dec 2004 10:51:59 +0100 From: Ingo Molnar To: Fernando Lopez-Lezcano Cc: Steven Rostedt , Rui Nuno Capela , LKML , Lee Revell , Mark Johnson , "K.R. Foley" , Florian Schmidt , Michal Schmidt , emann@mrv.com, Peter Zijlstra Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm3-V0.7.32-12 Message-ID: <20041215095159.GB14627@elte.hu> References: <20041209131317.GA31573@elte.hu> <1102602829.25841.393.camel@localhost.localdomain> <1102619992.3882.9.camel@localhost.localdomain> <20041209221021.GF14194@elte.hu> <1102659089.3236.11.camel@localhost.localdomain> <20041210111105.GB6855@elte.hu> <1102731973.3228.8.camel@localhost.localdomain> <1102750669.32041.8.camel@cmn37.stanford.edu> <1102768203.3480.6.camel@localhost.localdomain> <1102980859.10968.691.camel@cmn37.stanford.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1102980859.10968.691.camel@cmn37.stanford.edu> 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, 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 * Fernando Lopez-Lezcano wrote: > [The following is all done booting into 0.7.32-19, interrupt > scheduling and priorities unchanged from the defaults] > > I'm using PREEMPT_DESKTOP. I don't know how to force the kernel to not > thread hardirqs. [...] this is now moot for your case, but here's how you can disable hardirq threading: you can disable CONFIG_PREEMPT_HARDIRQS in the .config, or you can disable it via the hardirq-preempt=0 boot-time kernel flag. Ingo