From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266588AbUGUTQv (ORCPT ); Wed, 21 Jul 2004 15:16:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266599AbUGUTQv (ORCPT ); Wed, 21 Jul 2004 15:16:51 -0400 Received: from mx2.elte.hu ([157.181.151.9]:24715 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S266588AbUGUTQu (ORCPT ); Wed, 21 Jul 2004 15:16:50 -0400 Date: Wed, 21 Jul 2004 20:46:50 +0200 From: Ingo Molnar To: Scott Wood Cc: Nick Piggin , Lee Revell , Andrew Morton , linux-audio-dev@music.columbia.edu, arjanv@redhat.com, linux-kernel , "La Monte H.P. Yarroll" Subject: Re: [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch Message-ID: <20040721184650.GA27375@elte.hu> References: <20040712174639.38c7cf48.akpm@osdl.org> <20040719102954.GA5491@elte.hu> <1090380467.1212.3.camel@mindpipe> <20040721000348.39dd3716.akpm@osdl.org> <20040721053007.GA8376@elte.hu> <1090389791.901.31.camel@mindpipe> <20040721082218.GA19013@elte.hu> <20040721085246.GA19393@elte.hu> <40FE545E.3050300@yahoo.com.au> <20040721183415.GC2206@yoda.timesys> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040721183415.GC2206@yoda.timesys> 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 * Scott Wood wrote: > You're still running do_softirq() with preemption disabled, which is > almost as bad as doing it under a lock. well softirqs are designed like that. I've added extra preemption code to the latest patch to avoid repeat processing. Ingo