From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932326AbYBFXPp (ORCPT ); Wed, 6 Feb 2008 18:15:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1764190AbYBFXLm (ORCPT ); Wed, 6 Feb 2008 18:11:42 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:43433 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762348AbYBFXLk (ORCPT ); Wed, 6 Feb 2008 18:11:40 -0500 Date: Thu, 7 Feb 2008 00:10:40 +0100 From: Ingo Molnar To: Jiri Kosina Cc: Andrew Morton , Arjan van de Ven , Randy Dunlap , Hugh Dickins , Pavel Machek , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Document randomize_va_space and CONFIG_COMPAT_BRK (was Re: [PATCH 2/2] ASLR: add possibility for more fine-grained tweaking) Message-ID: <20080206231040.GA6225@elte.hu> References: <20080206134959.GA25689@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Jiri Kosina wrote: > On Wed, 6 Feb 2008, Ingo Molnar wrote: > > > i've already added the patch below to x86.git. > > OK, cool, thanks. > > Still, I think that we want the Documentation/sysctl/kernel.txt part > of my patch probably. Updated patch below. thanks, applied. i'm wondering about the following detail: i guess on 64-bit x86 kernels we could default to !CONFIG_COMPAT_BRK? In 1997 there was no 64-bit x86. Maybe for compat 32-bit binaries we could keep it off, but always do it for 64-bit binaries. Ingo