From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964928Ab2CGSSN (ORCPT ); Wed, 7 Mar 2012 13:18:13 -0500 Received: from cavan.codon.org.uk ([93.93.128.6]:56023 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755278Ab2CGSSL (ORCPT ); Wed, 7 Mar 2012 13:18:11 -0500 Date: Wed, 7 Mar 2012 18:18:00 +0000 From: Matthew Garrett To: Yinghai Lu Cc: Matt Fleming , "H. Peter Anvin" , mingo@redhat.com, linux-kernel@vger.kernel.org, keithp@keithp.com, rui.zhang@intel.com, huang.ying.caritas@gmail.com, stable@vger.kernel.org, tglx@linutronix.de, linux-tip-commits@vger.kernel.org Subject: Re: [tip:x86/urgent] x86, efi: Delete efi_ioremap() and fix CONFIG_X86_32 oops Message-ID: <20120307181800.GA15211@srcf.ucam.org> References: <1329744626-5036-1-git-send-email-matt@console-pimps.org> <4F45B35D.1010702@zytor.com> <4F471651.3080609@zytor.com> <4F4C3BA2.1070708@kernel.org> <1331116250.3539.35.camel@mfleming-mobl1.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 07, 2012 at 10:14:15AM -0800, Yinghai Lu wrote: > but my question is: > is there any system that will put EFI runtime, or ACPI or NVS above > 4G? is that legal? You can't run a 32-bit EFI OS on a 64-bit EFI system, so there's no obvious reason why there couldn't be runtime regions above 4GB. -- Matthew Garrett | mjg59@srcf.ucam.org