From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752301AbbBXGpm (ORCPT ); Tue, 24 Feb 2015 01:45:42 -0500 Received: from cantor2.suse.de ([195.135.220.15]:40204 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752149AbbBXGpl (ORCPT ); Tue, 24 Feb 2015 01:45:41 -0500 Message-ID: <54EC1E13.5020108@suse.com> Date: Tue, 24 Feb 2015 07:45:39 +0100 From: Juergen Gross User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: David Vrabel , linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com, konrad.wilk@oracle.com, david.vrabel@citrix.com, boris.ostrovsky@oracle.com Subject: Re: [Xen-devel] [PATCH 10/13] xen: check pre-allocated page tables for conflict with memory map References: <1424242326-26611-1-git-send-email-jgross@suse.com> <1424242326-26611-11-git-send-email-jgross@suse.com> <54E61F56.8090309@cantab.net> In-Reply-To: <54E61F56.8090309@cantab.net> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/19/2015 06:37 PM, David Vrabel wrote: > > > On 18/02/2015 06:52, Juergen Gross wrote: >> Check whether the page tables built by the domain builder are at >> memory addresses which are in conflict with the target memory map. >> If this is the case just panic instead of running into problems >> later. > > Again, what ensures this never actually happens? Same answer as before: nothing. Juergen