Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933033AbaKMMyT (ORCPT ); Thu, 13 Nov 2014 07:54:19 -0500 Received: from www.linutronix.de ([62.245.132.108]:46760 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932498AbaKMMyS (ORCPT ); Thu, 13 Nov 2014 07:54:18 -0500 Date: Thu, 13 Nov 2014 13:54:01 +0100 (CET) From: Thomas Gleixner To: B_B_Singh@DELL.com cc: bp@suse.de, stuart.w.hayes@gmail.com, hpa@zytor.com, mingo@redhat.com, x86@kernel.org, linux-kernel@vger.kernel.org, matt.fleming@intel.com Subject: RE: [PATCH] x86: Configure NX support earlier in setup_arch In-Reply-To: <8B2F6FFD0BD1E448853114367400A3730702007068@BLRX7MCDC203.AMER.DELL.COM> Message-ID: References: <53B4B627.8060903@gmail.com> <53BC7210.1000305@gmail.com> <53BC72D8.4090705@zytor.com> <53BDE4BD.50605@gmail.com> <20140714172225.GE25120@pd.tnic> <8B2F6FFD0BD1E448853114367400A3730702007068@BLRX7MCDC203.AMER.DELL.COM> User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 13 Nov 2014, B_B_Singh@DELL.com wrote: > I feel this can be a valid scenario where user wants to disable the > memory protection (NX flag disable) for his requirement, in that > case he will hit this issue. It's not about feelings. If the user wants to disable NX he can do so already via the kernel command line. What that patch is useful for is to prevent an hard to debug boot crash if the kernel happens to run on some wreckaged BIOS. But it's not there to support and encourage braindamaged BIOS nonsense. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/