From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261654AbVGNTNJ (ORCPT ); Thu, 14 Jul 2005 15:13:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263057AbVGNTKa (ORCPT ); Thu, 14 Jul 2005 15:10:30 -0400 Received: from mx2.suse.de ([195.135.220.15]:38579 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S261688AbVGNTJa (ORCPT ); Thu, 14 Jul 2005 15:09:30 -0400 Date: Thu, 14 Jul 2005 21:09:29 +0200 From: Andi Kleen To: "Ronald G. Minnich" Cc: yhlu , Stefan Reinauer , discuss@x86-64.org, linux-kernel@vger.kernel.org Subject: Re: [discuss] Re: NUMA support for dual core Opteron Message-ID: <20050714190929.GL23619@wotan.suse.de> References: <2ea3fae10507141058c476927@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org [closed mailing list dropped. Sorry I have no plans to argue with your mailbots] On Thu, Jul 14, 2005 at 01:00:01PM -0600, Ronald G. Minnich wrote: > if there is any chance of getting along without ACPI entries that is best. > Linux did do this once already, for SMP K8: K8 can boot and run NUMA > without an SRAT table. What more is needed for dual core, and could Linux > support in this area be extended? The dual core NUMA parsing problem could be probably fixed. I personally have no plans to work on it though, since the ACPI method works fine. Feel free to submit patches. However with 90+W CPUs I would strongly recommend having support for PowerNow! and the old style PST table doesn't support dual core or SMP, so you need ACPI for that anyways. -Andi