From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266114AbUG1GJP (ORCPT ); Wed, 28 Jul 2004 02:09:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266174AbUG1GJP (ORCPT ); Wed, 28 Jul 2004 02:09:15 -0400 Received: from mx1.elte.hu ([157.181.1.137]:26082 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S266114AbUG1GJO (ORCPT ); Wed, 28 Jul 2004 02:09:14 -0400 Date: Wed, 28 Jul 2004 06:59:16 +0200 From: Ingo Molnar To: Lee Revell Cc: linux-kernel , William Lee Irwin III , Lenar L?hmus , Andrew Morton , Arjan van de Ven Subject: Re: [patch] voluntary-preempt-2.6.8-rc2-L2, preemptable hardirqs Message-ID: <20040728045916.GA14474@elte.hu> References: <1090732537.738.2.camel@mindpipe> <1090795742.719.4.camel@mindpipe> <20040726082330.GA22764@elte.hu> <1090830574.6936.96.camel@mindpipe> <20040726083537.GA24948@elte.hu> <1090832436.6936.105.camel@mindpipe> <20040726124059.GA14005@elte.hu> <20040726204720.GA26561@elte.hu> <20040727162759.GA32548@elte.hu> <1090969026.743.12.camel@mindpipe> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1090969026.743.12.camel@mindpipe> 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: > The obvious next feature to add would be to make certain IRQs > non-schedulable, like you would for an RT system. For an audio system > this would be just the soundcard interrupt (and timer as stated > above). Then, while it still might not be hard-RT, it would blow away > anything achievable on the other OS'es people do audio work with. yes, this is the next step. Does v=3 work on your system? (even if the delaying of the soundcard irq causes latencies.) Ingo