From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757570AbYCCHuv (ORCPT ); Mon, 3 Mar 2008 02:50:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751670AbYCCHuo (ORCPT ); Mon, 3 Mar 2008 02:50:44 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:56402 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750751AbYCCHuo (ORCPT ); Mon, 3 Mar 2008 02:50:44 -0500 Date: Mon, 3 Mar 2008 08:50:27 +0100 From: Ingo Molnar To: "Rafael J. Wysocki" Cc: Linus Torvalds , LKML , Thomas Gleixner , Andrew Morton Subject: Re: [PATCH] x86: Revert commit 8be8f54bae3453588011cad06363813a5293af53 Message-ID: <20080303075027.GA11526@elte.hu> References: <200803030117.38344.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200803030117.38344.rjw@sisk.pl> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 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 * Rafael J. Wysocki wrote: > From: Rafael J. Wysocki > > Revert > > commit 8be8f54bae3453588011cad06363813a5293af53 > Author: Thomas Gleixner > Date: Sat Feb 23 20:43:21 2008 +0100 > > x86: CPA: avoid split of alias mappings > > because it clearly mishandles the case when __change_page_attr(), called > from __change_page_attr_set_clr(), changes cpa->processed to 1 and > cpa_process_alias(cpa) is executed right after that. > > This crashes my x86-64 test box early in the boot process > (ref. http://bugzilla.kernel.org/show_bug.cgi?id=10140#c4). thanks Rafael - i've queued up this revert. Ingo