From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755986Ab0LHW1n (ORCPT ); Wed, 8 Dec 2010 17:27:43 -0500 Received: from smtp.outflux.net ([198.145.64.163]:60281 "EHLO smtp.outflux.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752042Ab0LHW1m (ORCPT ); Wed, 8 Dec 2010 17:27:42 -0500 Date: Wed, 8 Dec 2010 14:27:13 -0800 From: Kees Cook To: linux-kernel@vger.kernel.org Cc: 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: <20101208222713.GP5750@outflux.net> References: <1289414154-7829-3-git-send-email-kees.cook@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Canonical X-HELO: www.outflux.net Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. -Kees -- Kees Cook Ubuntu Security Team