From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755523Ab0HMWZw (ORCPT ); Fri, 13 Aug 2010 18:25:52 -0400 Received: from terminus.zytor.com ([198.137.202.10]:55318 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755239Ab0HMWZv (ORCPT ); Fri, 13 Aug 2010 18:25:51 -0400 Message-ID: <4C65C630.4070008@zytor.com> Date: Fri, 13 Aug 2010 15:24:48 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.7) Gecko/20100720 Fedora/3.1.1-1.fc13 Thunderbird/3.1.1 MIME-Version: 1.0 To: Takao Indoh CC: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, ebiederm@xmission.com, tglx@linutronix.de, mingo@redhat.com, vgoyal@redhat.com, nhorman@tuxdriver.com, "Luck, Tony" Subject: Re: [PATCH][EFI] Run EFI in physical mode References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/13/2010 12:18 PM, Takao Indoh wrote: > > Basically EFI is in physical mode at first and it's switched to virtual > mode after calling SetVirtualAddressMap. By applying this patch, you can > run EFI always in physical mode. And you can also specify "virtefi" as > kernel boot parameter to run EFI in virtual mode as before. Note that > this patch supports only x86_64. > Any hope to get a followon patch for i386 as well? That would make it largely a no-brainer. Tony, does this affect ia64 in any way? -hpa