From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752647Ab2LUWjm (ORCPT ); Fri, 21 Dec 2012 17:39:42 -0500 Received: from terminus.zytor.com ([198.137.202.10]:39420 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751445Ab2LUWjk (ORCPT ); Fri, 21 Dec 2012 17:39:40 -0500 Message-ID: <50D4E515.5070802@zytor.com> Date: Fri, 21 Dec 2012 14:39:17 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Yinghai Lu CC: Konrad Rzeszutek Wilk , Thomas Gleixner , Ingo Molnar , "Eric W. Biederman" , linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 03/13] x86, 64bit: Set extra ident mapping for whole kernel range References: <1354089042-10023-1-git-send-email-yinghai@kernel.org> <1354089042-10023-4-git-send-email-yinghai@kernel.org> <20121221222840.GB1102@phenom.dumpdata.com> In-Reply-To: X-Enigmail-Version: 1.4.6 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 12/21/2012 02:35 PM, Yinghai Lu wrote: > > stop #PF handler after init_mem_mapping > git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git > for-x86-boot-v7 > > stop #PF handler in x86_64_start_kernel, to keep kgdb working. > git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git > for-x86-boot-v8 > The latter really isn't right but we need someone from the kgdb team to get involved there. However, saying we can't evolve the kernel because of kgdb is not acceptable. -hpa