From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752565AbaFLUal (ORCPT ); Thu, 12 Jun 2014 16:30:41 -0400 Received: from terminus.zytor.com ([198.137.202.10]:37251 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751904AbaFLUaj (ORCPT ); Thu, 12 Jun 2014 16:30:39 -0400 Message-ID: <539A0DC2.1010203@zytor.com> Date: Thu, 12 Jun 2014 13:29:54 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Kees Cook CC: LKML , Randy Dunlap , Thomas Gleixner , Ingo Molnar , "x86@kernel.org" , "Rafael J. Wysocki" , Len Brown , Pavel Machek , Wei Yongjun , "linux-doc@vger.kernel.org" , linux-pm@vger.kernel.org Subject: Re: [PATCH 0/2] make kASLR vs hibernation boot-time selectable References: <1402602419-27934-1-git-send-email-keescook@chromium.org> <539A0422.9010000@zytor.com> In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/12/2014 01:27 PM, Kees Cook wrote: >> >> Any way we can make them work together instead? > > I'm sure there is, but I don't know the solution. :) > > At the very least this gets us one step closer (we can build them together). > But it is really invasive. I have to admit to being somewhat fuzzy on what the core problem with hibernation and kASLR is... in both cases there is a set of pages that need to be installed, some of which will overlap the loader kernel. What am I missing? -hpa