Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753142AbZKLF0t (ORCPT ); Thu, 12 Nov 2009 00:26:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752789AbZKLF0s (ORCPT ); Thu, 12 Nov 2009 00:26:48 -0500 Received: from terminus.zytor.com ([198.137.202.10]:37976 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752671AbZKLF0q (ORCPT ); Thu, 12 Nov 2009 00:26:46 -0500 Message-ID: <4AFB9C8D.9000800@zytor.com> Date: Wed, 11 Nov 2009 21:26:37 -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: "Ma, Ling" CC: Cyrill Gorcunov , Ingo Molnar , Ingo Molnar , Thomas Gleixner , linux-kernel Subject: Re: [PATCH RFC] [X86] performance improvement for memcpy_64.S by fast string. References: <1257500482-16182-1-git-send-email-ling.ma@intel.com> <4AF457E0.4040107@zytor.com> <4AF4784C.5090800@zytor.com> <8FED46E8A9CA574792FC7AACAC38FE7714FCF772C9@PDSMSX501.ccr.corp.intel.com> <4AF7C66C.6000009@zytor.com> <20091109080830.GI453@elte.hu> <8FED46E8A9CA574792FC7AACAC38FE7714FE830398@PDSMSX501.ccr.corp.intel.com> <20091111203425.GA25401@lenovo> <4AFB3D31.6070901@zytor.com> <8FED46E8A9CA574792FC7AACAC38FE7714FE8307DB@PDSMSX501.ccr.corp.intel.com> In-Reply-To: <8FED46E8A9CA574792FC7AACAC38FE7714FE8307DB@PDSMSX501.ccr.corp.intel.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: 682 Lines: 20 On 11/11/2009 08:49 PM, Ma, Ling wrote: > Hi All > The attachment is latest memcpy.c, please update by > "cc -o memcpy memcpy.c -O2 -m64". OK... given that there seems to be no point since the actual code we're talking about modifying doesn't ever actually get executed on the real kernel, we can just drop this, right? -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/