Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753925Ab3GIPPJ (ORCPT ); Tue, 9 Jul 2013 11:15:09 -0400 Received: from terminus.zytor.com ([198.137.202.10]:45675 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753354Ab3GIPPF (ORCPT ); Tue, 9 Jul 2013 11:15:05 -0400 Message-ID: <51DC27BF.9090606@zytor.com> Date: Tue, 09 Jul 2013 08:09:51 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Borislav Petkov CC: Konrad Rzeszutek Wilk , Jan Beulich , Matt Wilson , Michael Opdenacker , jeremy@goop.org, x86@kernel.org, tglx@linutronix.de, virtualization@lists.linux-foundation.org, xen-devel@lists.xensource.com, mingo@redhat.com, Paul Bolle , linux-kernel@vger.kernel.org Subject: Re: [Xen-devel] [PATCH] xen: remove unused Kconfig parameter References: <1373264904-27053-1-git-send-email-michael.opdenacker@free-electrons.com> <20130708192854.GF4927@phenom.dumpdata.com> <20130708193457.GA6926@u109add4315675089e695.ant.amazon.com> <51DB2134.9040909@zytor.com> <20130708205834.GA481@pd.tnic> <1373326534.1438.10.camel@x61.thuisdomein> <51DBDAB802000078000E37C1@nat28.tlf.novell.com> <20130709144840.GF24897@phenom.dumpdata.com> <20130709150554.GA27579@pd.tnic> In-Reply-To: <20130709150554.GA27579@pd.tnic> X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 894 Lines: 22 On 07/09/2013 08:05 AM, Borislav Petkov wrote: > On Tue, Jul 09, 2013 at 10:48:40AM -0400, Konrad Rzeszutek Wilk wrote: >> Then that should be discussed on grub2 to remove said check and modify >> the code so that it can properly work without regression. > > Actually, the kernel patch removing that symbol should be applied so > that grub2 breaks faster. One can't possibly rely on kernel internals > for anything, as it is insanely insane (yep, the tautology is on purpose > :-)). > Indeed, especially since it inherently assumes something is a kernel compile-time option... we routinely change things between compile time and runtime. -hpa -- 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/