From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754274Ab0ATT5u (ORCPT ); Wed, 20 Jan 2010 14:57:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752703Ab0ATT5t (ORCPT ); Wed, 20 Jan 2010 14:57:49 -0500 Received: from hera.kernel.org ([140.211.167.34]:37593 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752062Ab0ATT5t (ORCPT ); Wed, 20 Jan 2010 14:57:49 -0500 Message-ID: <4B576018.2000201@kernel.org> Date: Wed, 20 Jan 2010 11:57:12 -0800 From: Yinghai Lu User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091130 SUSE/3.0.0-1.1.1 Thunderbird/3.0 MIME-Version: 1.0 To: Christoph Lameter CC: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , Jesse Barnes , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: [PATCH 02/37] x86: check range in update range References: <1263611228-6751-1-git-send-email-yinghai@kernel.org> <1263611228-6751-3-git-send-email-yinghai@kernel.org> <4B575C07.8080002@kernel.org> 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 01/20/2010 11:50 AM, Christoph Lameter wrote: > On Wed, 20 Jan 2010, Yinghai Lu wrote: > >> On 01/19/2010 08:56 AM, Christoph Lameter wrote: >>> On Fri, 15 Jan 2010, Yinghai Lu wrote: >>> >>>> fend off wrong range >>> >>> Why is it ok now to call these functions with start >= end? Bootmem >>> compatibilty? >> >> and amd_bus/intel_bus etc will be use 32bit etc > > Can you be more detailed? need to cap resources for 32bit if the reading is > 4g. YH