Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758140AbZCAUOT (ORCPT ); Sun, 1 Mar 2009 15:14:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753852AbZCAUOE (ORCPT ); Sun, 1 Mar 2009 15:14:04 -0500 Received: from mx2.redhat.com ([66.187.237.31]:48239 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757646AbZCAUOD (ORCPT ); Sun, 1 Mar 2009 15:14:03 -0500 Message-ID: <49AAEC79.3000808@redhat.com> Date: Sun, 01 Mar 2009 15:13:45 -0500 From: Brian Maly User-Agent: Thunderbird 1.5.0.2 (X11/20060501) MIME-Version: 1.0 To: Yinghai Lu CC: Ingo Molnar , Huang Ying , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Fix e820 end address with EFI References: <49A965AD.10701@redhat.com> <86802c440902282014he17bb6an1f59872ef30db0c5@mail.gmail.com> <86802c440902282142p14f623b8td8a88600ff2a6bbe@mail.gmail.com> In-Reply-To: <86802c440902282142p14f623b8td8a88600ff2a6bbe@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 636 Lines: 13 I was able verify the kernel that does not boot on the MacBook (vanilla 2.6.29-rc4) does call efi_ioremap() which bails out early returning NULL. So no remapping happens in this case. I have no idea if efi_ioremap ever does succeed in mapping any ranges though being I have no video or console this early in the boot and have to rely on triple faulting as a means of debugging. Brian -- 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/