Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755255Ab1FHT2I (ORCPT ); Wed, 8 Jun 2011 15:28:08 -0400 Received: from rcsinet10.oracle.com ([148.87.113.121]:41824 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755120Ab1FHT2F (ORCPT ); Wed, 8 Jun 2011 15:28:05 -0400 Message-ID: <4DEFCD07.5020505@kernel.org> Date: Wed, 08 Jun 2011 12:27:03 -0700 From: Yinghai Lu User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110414 SUSE/3.1.10 Thunderbird/3.1.10 MIME-Version: 1.0 To: Matthew Garrett CC: Jim Bos , "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner , Maarten Lankhorst , Linux Kernel Mailing List , Greg KH , Linus Torvalds , Andrew Morton Subject: Re: 2.6.39.1 immediately reboots/resets on EFI system References: <4DECFC1C.10801@xs4all.nl> <4DED0394.2090000@gmail.com> <20110607014127.GA8450@srcf.ucam.org> <4DED8752.5070005@kernel.org> <4DEDEA73.7010900@gmail.com> <4DEE17F9.6020503@gmail.com> <4DEEA548.5020405@kernel.org> <4DEFA6E3.6090809@xs4all.nl> <4DEFCAE0.6050700@kernel.org> <20110608192321.GA28865@srcf.ucam.org> In-Reply-To: <20110608192321.GA28865@srcf.ucam.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: rtcsinet21.oracle.com [66.248.204.29] X-CT-RefId: str=0001.0A090204.4DEFCD11.00A0,ss=1,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1107 Lines: 26 On 06/08/2011 12:23 PM, Matthew Garrett wrote: > On Wed, Jun 08, 2011 at 12:17:52PM -0700, Yinghai Lu wrote: >> we need to revert patch from mjg. >> >> From 916f676f8dc016103f983c7ec54c18ecdbb6e349 Mon Sep 17 00:00:00 2001 >> From: Matthew Garrett >> Date: Wed, 25 May 2011 09:53:13 -0400 >> Subject: [PATCH] x86, efi: Retain boot service code until after switching to >> virtual mode > > That's not a long-term option, since we have no way to distinguish > between a machine that requires boot services code to be mapped and a > machine that doesn't. Reverting just breaks the former set again. what former? you can not fix some corner case by breaking most other cases. > We need to ensure that the kernel isn't overlapping boot services code. bootloader will put kernel from 16M, and boot services are on those area already. Yinghai -- 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/