From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757535Ab0EFKCA (ORCPT ); Thu, 6 May 2010 06:02:00 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:58416 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755636Ab0EFKB4 (ORCPT ); Thu, 6 May 2010 06:01:56 -0400 Date: Thu, 6 May 2010 12:01:47 +0200 From: Ingo Molnar To: David Rientjes Cc: "H. Peter Anvin" , Thomas Gleixner , x86@kernel.org, linux-kernel@vger.kernel.org, Yinghai Lu , Suresh Siddha Subject: Re: [patch] x86: fix fake apicid to node mapping for numa emulation Message-ID: <20100506100147.GA19843@elte.hu> References: <20100506070732.GA32002@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * David Rientjes wrote: > On Thu, 6 May 2010, Ingo Molnar wrote: > > > > apicids must be mapped to the lowest node ids to maintain generic kernel use > > > of functions such as cpu_to_node() that determine device affinity. > > > > > > Signed-off-by: David Rientjes > > > --- > > > Third resend of the same patch. > > > > > > arch/x86/mm/srat_64.c | 3 ++- > > > 1 files changed, 2 insertions(+), 1 deletions(-) > > > > There's no info in the changelog about what negative effects this bug had when > > it was found, on what hardware it occured, and what the general urgency of the > > patch is. > > > > Ah, true. Given the relative obscurity of using NUMA emulation to being > with, it would probably benefit from being even more verbose as well. > I'll rewrite the changelog and reply to this message with it. Applied to tip:x86/urgent, thanks David! Ingo