Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759466AbZKFQop (ORCPT ); Fri, 6 Nov 2009 11:44:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759419AbZKFQoo (ORCPT ); Fri, 6 Nov 2009 11:44:44 -0500 Received: from terminus.zytor.com ([198.137.202.10]:42658 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758611AbZKFQoo (ORCPT ); Fri, 6 Nov 2009 11:44:44 -0500 Message-ID: <4AF4526B.4060101@zytor.com> Date: Fri, 06 Nov 2009 08:44:27 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Thunderbird/3.0b3 MIME-Version: 1.0 To: Matteo Croce CC: Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: i686 quirk for AMD Geode References: <40101cc30910021912r17b3a08bue1b9412e4fa47d89@mail.gmail.com> <20091003072127.GC21407@elte.hu> <40101cc30911060659k7b3b6428ob1340e476bdbac5b@mail.gmail.com> In-Reply-To: <40101cc30911060659k7b3b6428ob1340e476bdbac5b@mail.gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 684 Lines: 18 On 11/06/2009 06:59 AM, Matteo Croce wrote: > indeed it has MMX, MMXEXT and CMOV, just lacks the long NOP instruction (NOPL). MMX and MMXEXT are hardly hallmarks of i686, which leaves only cmov. I'm somewhat wondering about the general value of this patch; is i686 code really that much faster on Geode that it's worth it? -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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/