Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759828Ab0GQKNZ (ORCPT ); Sat, 17 Jul 2010 06:13:25 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:55898 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754721Ab0GQKNY (ORCPT ); Sat, 17 Jul 2010 06:13:24 -0400 Date: Sat, 17 Jul 2010 12:13:17 +0200 From: Ingo Molnar To: Cliff Wickman , "H. Peter Anvin" , Thomas Gleixner Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86, UV: initialize BAU MMRs only on hubs with cpus Message-ID: <20100717101317.GH12435@elte.hu> References: 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: 1.0 X-ELTE-SpamLevel: s X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=1.0 required=5.9 tests=BAYES_50 autolearn=no SpamAssassin version=3.2.5 1.0 BAYES_50 BODY: Bayesian spam probability is 40 to 60% [score: 0.5000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 547 Lines: 16 * Cliff Wickman wrote: > Remove the initialization of MMRs UVH_LB_BAU_SB_ACTIVATION_CONTROL and > UVH_BAU_DATA_BROADCAST on UV hubs that have no active cpus. > Such initialization on hubs with no active cpus would result in a kernel > page fault. Applied to tip:x86/uv, thanks. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/