Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264629AbUFCXGN (ORCPT ); Thu, 3 Jun 2004 19:06:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264652AbUFCXGN (ORCPT ); Thu, 3 Jun 2004 19:06:13 -0400 Received: from cantor.suse.de ([195.135.220.2]:18358 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S264629AbUFCXGM (ORCPT ); Thu, 3 Jun 2004 19:06:12 -0400 Date: Fri, 4 Jun 2004 01:06:10 +0200 From: Andi Kleen To: Suresh Siddha Cc: Andi Kleen , Ingo Molnar , Linus Torvalds , linux-kernel@vger.kernel.org, Andrew Morton , Arjan van de Ven , "Nakajima, Jun" Subject: Re: [announce] [patch] NX (No eXecute) support for x86, 2.6.7-rc2-bk2 Message-ID: <20040603230610.GE868@wotan.suse.de> References: <20040602205025.GA21555@elte.hu> <200406031224.13319.suresh.b.siddha@intel.com> <20040603203709.GB868@wotan.suse.de> <200406031558.27495.suresh.b.siddha@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200406031558.27495.suresh.b.siddha@intel.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 826 Lines: 22 On Thu, Jun 03, 2004 at 03:58:27PM -0700, Siddha, Suresh B wrote: > On Thursday 03 June 2004 13:37, Andi Kleen wrote: > > > What do you mean by "in the future"? on x86, with the current no execute > > > patch, malloc() will be non-exec > > > > On x86-64 the heap is executable right now at least. > > > > oh! I see. Looks like only Ingo's exec-shield patch is doing that. Maybe adding a new ELF header flag for that would be a good idea too. Just not sure if gcc should set it by default or not. But I fear chaging it for x86-64 generically could break programs again. -andi - 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/