From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932616AbZKNAh5 (ORCPT ); Fri, 13 Nov 2009 19:37:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932491AbZKNAh4 (ORCPT ); Fri, 13 Nov 2009 19:37:56 -0500 Received: from smtp.outflux.net ([198.145.64.163]:32803 "EHLO smtp.outflux.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932484AbZKNAhz (ORCPT ); Fri, 13 Nov 2009 19:37:55 -0500 Date: Fri, 13 Nov 2009 16:36:52 -0800 From: Kees Cook To: "H. Peter Anvin" Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de, x86@kernel.org Subject: Re: [PATCH 0/5] x86: cleanup of NX enabling Message-ID: <20091114003652.GQ5129@outflux.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1258154897-6770-1-git-send-email-hpa@zytor.com> 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 Fri, Nov 13, 2009 at 03:28:17PM -0800, H. Peter Anvin wrote: > Posting this patch series for review; I intend to commit it to > tip:x86/mm unless someone objects over the next few days. > > This came about based on Kees' original patch to give better dmesg > information about the status of NX availability. FWIW, I tested this stack of patches (in an earlier form) with the following configurations and confirmed expected behavior: - 64-bit, 64-bit noexec=off - 32-bit pae with nx bit, x86_32 pae with nx bit noexec=off - 32-bit pae without nx bit - 32-bit non-pae Acked-by: Kees Cook -- Kees Cook Ubuntu Security Team