From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752780Ab1AJIO4 (ORCPT ); Mon, 10 Jan 2011 03:14:56 -0500 Received: from vpn.id2.novell.com ([195.33.99.129]:44398 "EHLO vpn.id2.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752773Ab1AJIOy convert rfc822-to-8bit (ORCPT ); Mon, 10 Jan 2011 03:14:54 -0500 Message-Id: <4D2ACE08020000780002B481@vpn.id2.novell.com> X-Mailer: Novell GroupWise Internet Agent 8.0.1 Date: Mon, 10 Jan 2011 08:14:48 +0000 From: "Jan Beulich" To: "Ingo Molnar" , "David Rientjes" Cc: "Tejun Heo" , , , "H. Peter Anvin" Subject: Re: [PATCH] x86: unify "numa=" command line option handling References: <4D2603BF020000780002ACA7@vpn.id2.novell.com> <4D26D3FD020000780002AED9@vpn.id2.novell.com> <4D26F3AE020000780002AF5D@vpn.id2.novell.com> <20110107125722.GA23185@elte.hu> <4D272413020000780002B009@vpn.id2.novell.com> <20110107142203.GA12773@elte.hu> <4D2730BE020000780002B040@vpn.id2.novell.com> <20110107151254.GA418@elte.hu> In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>> On 07.01.11 at 20:55, David Rientjes wrote: > I still don't think it meets the stable kernel rules. The changelog > explicitly states that we do not want to disable ACPI completely, so the > only numa= command line option that would possibly be useful on 32-bit is > numa=off in this case. If you're compiling a 32-bit kernel for a machine > with SRAT entries that can't be parsed by the kernel, then there's still > no explanation as to why CONFIG_NUMA=n won't fix it. In distro kernels you have no control over the configuration, yet you may want the kernel to boot on a particular machine. Jan