Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264398AbTKZX3w (ORCPT ); Wed, 26 Nov 2003 18:29:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264399AbTKZX3v (ORCPT ); Wed, 26 Nov 2003 18:29:51 -0500 Received: from ns.suse.de ([195.135.220.2]:50656 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S264398AbTKZX3u (ORCPT ); Wed, 26 Nov 2003 18:29:50 -0500 Date: Thu, 27 Nov 2003 00:29:47 +0100 From: Andi Kleen To: "David S. Miller" Cc: linux-kernel@vger.kernel.org Subject: Re: Fire Engine?? Message-Id: <20031127002947.2d731219.ak@suse.de> In-Reply-To: <20031126151352.160b4734.davem@redhat.com> References: <20031125183035.1c17185a.davem@redhat.com.suse.lists.linux.kernel> <20031126113040.3b774360.davem@redhat.com> <3FC505F4.2010006@google.com> <20031126120316.3ee1d251.davem@redhat.com> <20031126232909.7e8a028f.ak@suse.de> <20031126143620.5229fb1f.davem@redhat.com> <20031126235641.36fd71c1.ak@suse.de> <20031126151352.160b4734.davem@redhat.com> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1213 Lines: 32 On Wed, 26 Nov 2003 15:13:52 -0800 "David S. Miller" wrote: > On Wed, 26 Nov 2003 23:56:41 +0100 > Andi Kleen wrote: > > > On Wed, 26 Nov 2003 14:36:20 -0800 > > "David S. Miller" wrote: > > > > > I don't think this is acceptable. It's important that all > > > of the timestamps are as accurate as they were before. > > > > I disagree on that. The window is small and slowing down 99.99999% of all > > users who never care about this for this extremely obscure > > misdesigned API does not make much sense to me. > > We can't change behavior like this. Every time we've tried to > do it, we've been burnt. Remember nonlocal-bind? The behaviour is not really changed, just the precision of the timestamp is temporarily (a few tens of ms on a busy network) worse. And the jitter in this timestamp is already higher than this when you consider queueing delays and interrupt mitigation in the driver. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/