From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161151Ab3FTQqS (ORCPT ); Thu, 20 Jun 2013 12:46:18 -0400 Received: from bedivere.hansenpartnership.com ([66.63.167.143]:55000 "EHLO bedivere.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161046Ab3FTQqQ (ORCPT ); Thu, 20 Jun 2013 12:46:16 -0400 Message-ID: <1371746775.2372.11.camel@dabdike> Subject: Re: [PATCH -v2 0/4] EFI 1:1 mapping From: James Bottomley To: Matthew Garrett Cc: Borislav Petkov , Ingo Molnar , Linux EFI , Matt Fleming , X86 ML , LKML , Borislav Petkov Date: Thu, 20 Jun 2013 09:46:15 -0700 In-Reply-To: <20130620162916.GA25727@srcf.ucam.org> References: <20130619125243.GD11209@gmail.com> <20130619130225.GA28311@pd.tnic> <20130619130434.GB24957@gmail.com> <20130619160804.GB27832@srcf.ucam.org> <20130620091321.GB6811@gmail.com> <20130620091537.GA17159@srcf.ucam.org> <20130620092237.GA6943@gmail.com> <20130620093337.GI32694@pd.tnic> <20130620094446.GA17882@srcf.ucam.org> <1371740019.2372.3.camel@dabdike> <20130620162916.GA25727@srcf.ucam.org> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.8.2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2013-06-20 at 17:29 +0100, Matthew Garrett wrote: > On Thu, Jun 20, 2013 at 07:53:39AM -0700, James Bottomley wrote: > > > Can't we detect Macs from some of the UEFI strings at boot time and do > > the right thing with the boot switch (which can be overriden from the > > kernel command line if we get it wrong)? > > Yes, and then our behaviour differs from Windows and so we'll have > inevitably broken some other system. Unless you can think of the way out of this, we seem to have the stark choice of behave like windows or allow kexec. For the server market, kexec wins, so either we find a way not to have to make the choice or we do something automatic to make it fairly painless. James