From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754252Ab1DAGXp (ORCPT ); Fri, 1 Apr 2011 02:23:45 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:60389 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753613Ab1DAGXo (ORCPT ); Fri, 1 Apr 2011 02:23:44 -0400 Date: Fri, 1 Apr 2011 08:23:38 +0200 From: Ingo Molnar To: Stefano Stabellini Cc: "H. Peter Anvin" , x86@kernel.org, yinghai@kernel.org, linux-kernel@vger.kernel.org, Greg KH , lkml20101129@newton.leun.net Subject: Re: [PATCH urgent] x86: Save cr4 to mmu_cr4_features at boot time Message-ID: <20110401062338.GA6434@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: -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=3.3.1 -2.0 BAYES_00 BODY: Bayes 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 * Stefano Stabellini wrote: > Save cr4 to mmu_cr4_features at boot time > > This patch fixes a freeze when resuming from hibernation, introduced by > "x86: Cleanup highmap after brk is concluded", commit id > e5f15b45ddf3afa2bbbb10c7ea34fb32b6de0a0e. > This patch should be backported to all the stable tree where the > offending commit is present. No, the offending commit should be reverted from -stable. It's not at all clear yet why this fix patch helps. Thanks, Ingo