From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261683AbVAXVro (ORCPT ); Mon, 24 Jan 2005 16:47:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261679AbVAXVq0 (ORCPT ); Mon, 24 Jan 2005 16:46:26 -0500 Received: from mail15.syd.optusnet.com.au ([211.29.132.196]:4265 "EHLO mail15.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S261672AbVAXVpj (ORCPT ); Mon, 24 Jan 2005 16:45:39 -0500 Message-ID: <41F56C9F.5070205@kolivas.org> Date: Tue, 25 Jan 2005 08:46:07 +1100 From: Con Kolivas User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Jack O'Quin" Cc: Ingo Molnar , Paul Davis , linux , rlrevell@joe-job.com, CK Kernel , utz , Andrew Morton , alexn@dsv.su.se, Rui Nuno Capela Subject: Re: [PATCH]sched: Isochronous class v2 for unprivileged soft rt scheduling References: <200501201542.j0KFgOwo019109@localhost.localdomain> <87y8eo9hed.fsf@sulphur.joq.us> <20050120172506.GA20295@elte.hu> <87wtu6fho8.fsf@sulphur.joq.us> <20050122165458.GA14426@elte.hu> <87pszvlvma.fsf@sulphur.joq.us> <41F42BD2.4000709@kolivas.org> <877jm3ljo9.fsf@sulphur.joq.us> <41F44AC2.1080609@kolivas.org> <87hdl7v3ik.fsf@sulphur.joq.us> <87651nv356.fsf@sulphur.joq.us> <87ekgbqr2a.fsf@sulphur.joq.us> In-Reply-To: <87ekgbqr2a.fsf@sulphur.joq.us> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jack O'Quin wrote: > I still wonder if some coding error might occasionally be letting a > lower priority process continue running after an interrupt when it > ought to be preempted. Well not surprisingly I did find a bug in my patch which did not honour priority support between ISO threads. So basically the patch only does as much as the original ISO patch. I'll slap something together for more testing with this fixed, and ISO_FIFO support too. Cheers, Con