From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751962Ab0LVLRw (ORCPT ); Wed, 22 Dec 2010 06:17:52 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:58478 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751335Ab0LVLRv (ORCPT ); Wed, 22 Dec 2010 06:17:51 -0500 Date: Wed, 22 Dec 2010 12:17:25 +0100 From: Ingo Molnar To: Kees Cook Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com, penberg@kernel.org, alan@lxorguk.ukuu.org.uk, tglx@linutronix.de, hpa@linux.intel.com Subject: Re: [tip:x86/cpu] x86, cpu: Clear XD_DISABLED flag on Intel to regain NX Message-ID: <20101222111725.GD3127@elte.hu> References: <1289414154-7829-3-git-send-email-kees.cook@canonical.com> <20101208222713.GP5750@outflux.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20101208222713.GP5750@outflux.net> 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 * Kees Cook wrote: > On Thu, Nov 11, 2010 at 02:49:04AM +0000, tip-bot for Kees Cook wrote: > > Commit-ID: ae84739c27b6b3725993202fe02ff35ab86468e1 > > Gitweb: http://git.kernel.org/tip/ae84739c27b6b3725993202fe02ff35ab86468e1 > > Author: Kees Cook > > AuthorDate: Wed, 10 Nov 2010 10:35:52 -0800 > > Committer: H. Peter Anvin > > CommitDate: Wed, 10 Nov 2010 15:42:54 -0800 > > > > x86, cpu: Clear XD_DISABLED flag on Intel to regain NX > > Just some quick positive feedback on this patch series: I've had at least one > confirmed report of a user with an Asus system that had NX disabled (in the BIOS > which offered no toggle to switch it on) is able to use the NX bit on their CPU > finally. Additionally, no regressions have been identified either, and there has > been a fair number of people running with the patch for a few weeks now in > Ubuntu's development kernel. Nice! Ingo