Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753336AbaATXAz (ORCPT ); Mon, 20 Jan 2014 18:00:55 -0500 Received: from mga09.intel.com ([134.134.136.24]:31073 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752161AbaATXAy (ORCPT ); Mon, 20 Jan 2014 18:00:54 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.95,692,1384329600"; d="scan'208";a="469772746" Message-ID: <52DDAA87.40804@linux.intel.com> Date: Mon, 20 Jan 2014 15:00:23 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Linus Torvalds , "H. Peter Anvin" CC: Cong Ding , Ingo Molnar , Ingo Molnar , Kees Cook , Linux Kernel Mailing List , Mathias Krause , Michael Davidson , Thomas Gleixner , Wei Yongjun Subject: Re: [GIT PULL] x86/kaslr for v3.14 References: <201401201647.s0KGlZdh004167@tazenda.hos.anvin.org> In-Reply-To: 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 01/20/2014 02:54 PM, Linus Torvalds wrote: > So I pulled this, but one question: > > On Mon, Jan 20, 2014 at 8:47 AM, H. Peter Anvin wrote: >> +config RANDOMIZE_BASE >> + bool "Randomize the address of the kernel image" >> + depends on RELOCATABLE >> + depends on !HIBERNATION > > How fundamental is that "!HIBERNATION" issue? Right now that > anti-dependency on hibernation support will mean that no distro kernel > will actually use the kernel address space randomization. Which > long-term is a problem. > > I'm not sure HIBERNATION is really getting all that much use, but I > suspect distros would still want to support it. > > Is it just a temporary "I wasn't able to make it work, need to get > some PM people involved", or is it something really fundamental? > Kees, could you comment? -hpa -- 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/