From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261244AbTIGTTf (ORCPT ); Sun, 7 Sep 2003 15:19:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261307AbTIGTTe (ORCPT ); Sun, 7 Sep 2003 15:19:34 -0400 Received: from pc1-cwma1-5-cust4.swan.cable.ntl.com ([80.5.120.4]:492 "EHLO dhcp23.swansea.linux.org.uk") by vger.kernel.org with ESMTP id S261244AbTIGTTd (ORCPT ); Sun, 7 Sep 2003 15:19:33 -0400 Subject: Re: RFC: [2.6 patch] better i386 CPU selection From: Alan Cox To: Robert Schwebel Cc: Adrian Bunk , Linux Kernel Mailing List , Rusty Russell , Russell King In-Reply-To: <20030907182628.GC482@pengutronix.de> References: <20030907112813.GQ14436@fs.tum.de> <20030907124251.GC5460@pengutronix.de> <20030907130034.GT14436@fs.tum.de> <1062955895.16972.13.camel@dhcp23.swansea.linux.org.uk> <20030907174834.GA482@pengutronix.de> <1062957851.16964.42.camel@dhcp23.swansea.linux.org.uk> <20030907182628.GC482@pengutronix.de> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1062962237.19114.7.camel@dhcp23.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.4 (1.4.4-5) Date: Sun, 07 Sep 2003 20:17:19 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sul, 2003-09-07 at 19:26, Robert Schwebel wrote: > my first RTAI tests it surely has several problems which might require > an #ifdef CONFIG_MGEODE or something similar. As long as this is > possible everything's ok with me ;) Lots of the geode hardware is emulated by SMM code, it makes hard real time on the Geode an 'interesting' world and does limit the latency you can achieve. Its actually a lot better than say the Dell BIOS battery SMM seems to be but its not insubstantial at times. rdtsc before and after an inb/outb is most fascinating 8)