From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263540AbTD1MRf (ORCPT ); Mon, 28 Apr 2003 08:17:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263539AbTD1MRf (ORCPT ); Mon, 28 Apr 2003 08:17:35 -0400 Received: from ns.suse.de ([213.95.15.193]:21005 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S263540AbTD1MRe (ORCPT ); Mon, 28 Apr 2003 08:17:34 -0400 To: Andreas Jaeger Cc: jlnance@unity.ncsu.edu, linux-kernel@vger.kernel.org Subject: Re: ia32 kernel on amd64 box? References: <20030425214500.GA20221@ncsu.edu.suse.lists.linux.kernel> From: Andi Kleen Date: 28 Apr 2003 14:29:29 +0200 In-Reply-To: Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andreas Jaeger writes: > Any 32-bit x86 kernel should work on an AMD Opteron machine. The only > question is whether all drivers are supported. Red Hat 7.2 might not > have support for all the hardware that is in an AMD Opteron ystem. Actually some things will not work with older kernels because the Linux kernel does explicit CPUID model checks in a few places. But it is relative obscure stuff and unlikely to be a problem in practice. -Andi