Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752837AbbLHUyd (ORCPT ); Tue, 8 Dec 2015 15:54:33 -0500 Received: from mail.skyhub.de ([78.46.96.112]:56998 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752594AbbLHUyY (ORCPT ); Tue, 8 Dec 2015 15:54:24 -0500 Date: Tue, 8 Dec 2015 21:54:11 +0100 From: Borislav Petkov To: "H. Peter Anvin" Cc: Kees Cook , Matt Fleming , Kosuke Tatsukawa , Thomas Gleixner , Ingo Molnar , "x86@kernel.org" , "linux-efi@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 1/2] x86: Fix kernel panic when booting with XD disabled in uEFI firmware Message-ID: <20151208205411.GA16417@pd.tnic> References: <20151204164057.GE2514@codeblueprint.co.uk> <17EC94B0A072C34B8DCF0D30AD16044A0288EFC7@BPXM09GP.gisp.nec.co.jp> <20151208122557.GA2518@codeblueprint.co.uk> <20151208141946.GD27180@pd.tnic> <19122B57-8052-4A92-801E-03CC84E66F06@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <19122B57-8052-4A92-801E-03CC84E66F06@zytor.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 665 Lines: 17 On Tue, Dec 08, 2015 at 12:39:14PM -0800, H. Peter Anvin wrote: > Actually I think of it much more as a debug option - being able to > mimic NX-unaware hardware and to track down problems in the field. Considering it can be dangerous when exposed to the user, should we hide it behind a "Kernel Hacking" .config option which is default-off? -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- 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/