Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 10 Dec 2002 15:43:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 10 Dec 2002 15:43:17 -0500 Received: from irongate.swansea.linux.org.uk ([194.168.151.19]:54720 "EHLO irongate.swansea.linux.org.uk") by vger.kernel.org with ESMTP id ; Tue, 10 Dec 2002 15:43:16 -0500 Subject: Re: Why does C3 CPU downgrade in kernel 2.4.20? From: Alan Cox To: Daniel Egger Cc: Dave Jones , Linux Kernel Mailing List In-Reply-To: <1039549178.7224.7.camel@sonja> References: <009f01c2a000$f38885d0$3716a8c0@taipei.via.com.tw> <20021210055215.GA9124@suse.de> <1039504941.30881.10.camel@sonja> <1039539080.14302.29.camel@irongate.swansea.linux.org.uk> <1039549178.7224.7.camel@sonja> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-10) Date: 10 Dec 2002 21:24:40 +0000 Message-Id: <1039555481.14302.92.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 757 Lines: 18 On Tue, 2002-12-10 at 19:39, Daniel Egger wrote: > Do you have pointers to some optimisation manual or whatever? > gcc currently defines the c3 as 486+mmx+3dnow however I doubt > that this model is entirely correct and as such leaves some > space for improvements. VIA are a little odd at times. A vendor that doesn't publish CPU manuals and push optimisation data at app writers is -odd- by my standards anyway. I've been discussing a few things with VIA recently and we'll see what happens over time. Alan - 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/