From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262447AbVFWMxS (ORCPT ); Thu, 23 Jun 2005 08:53:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262449AbVFWMxR (ORCPT ); Thu, 23 Jun 2005 08:53:17 -0400 Received: from gw1.cosmosbay.com ([62.23.185.226]:56045 "EHLO gw1.cosmosbay.com") by vger.kernel.org with ESMTP id S262447AbVFWMxO (ORCPT ); Thu, 23 Jun 2005 08:53:14 -0400 Message-ID: <42BAB0BA.1010100@cosmosbay.com> Date: Thu, 23 Jun 2005 14:53:14 +0200 From: Eric Dumazet User-Agent: Mozilla Thunderbird 1.0 (Windows/20041206) X-Accept-Language: fr, en MIME-Version: 1.0 To: Andi Kleen CC: linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86_64 prefetchw() function can take into account CONFIG_MK8 / CONFIG_MPSC References: <20050622.132241.21929037.davem@davemloft.net> <200506222242.j5MMgbxS009935@guinness.s2io.com> <20050622231300.GC14251@wotan.suse.de> <42BA81B2.4070108@cosmosbay.com> <20050623113150.GK14251@wotan.suse.de> In-Reply-To: <20050623113150.GK14251@wotan.suse.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-1.6 (gw1.cosmosbay.com [172.16.8.80]); Thu, 23 Jun 2005 14:53:09 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andi Kleen a écrit : > On Thu, Jun 23, 2005 at 11:32:34AM +0200, Eric Dumazet wrote: > >>If we build a x86_64 kernel for an AMD64 or for an Intel EMT64, no need to >>use alternative_input. >>Reserve alternative_input only for a generic kernel. > > > An EM64T kernel should still boot on AMD64 and vice versa. Rejected. > > -Andi > > OK, I wrongly assumed the 'MK8' or 'MPSC' choices were like x86 choices : A kernel compiled for a Pentium-4 will not run on a i486. But then what is the meaning of the choice "Generic-x86-64" in the "Processor family" menu ? The Help message is : CONFIG_GENERIC_CPU: Generic x86-64 CPU. Eric