From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756236AbYIDMox (ORCPT ); Thu, 4 Sep 2008 08:44:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752109AbYIDMop (ORCPT ); Thu, 4 Sep 2008 08:44:45 -0400 Received: from casper.infradead.org ([85.118.1.10]:43551 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751814AbYIDMop (ORCPT ); Thu, 4 Sep 2008 08:44:45 -0400 Date: Thu, 4 Sep 2008 05:44:44 -0700 From: Arjan van de Ven To: Andi Kleen Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@tglx.de, hpa@zytor.org, Benjamin Herrenschmidt Subject: Re: [patch] Add basic sanity checks to the syscall execution patch Message-ID: <20080904054444.79e71974@infradead.org> In-Reply-To: <873akgw251.fsf@basil.nowhere.org> References: <20080903195122.73905236@infradead.org> <873akgw251.fsf@basil.nowhere.org> Organization: Intel X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.11; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 04 Sep 2008 14:01:46 +0200 Andi Kleen wrote: > Arjan van de Ven writes: > > > Add basic sanity checks to the syscall execution patch > > This just means that the root kits will switch to patch > the first instruction of the entry points instead. > > So the protection will be zero to minimal, but the overhead will > be there forever. > > Now that I said this I expect it to go in yesterday. > I'd have considered taking your email serious if you had left out the uncalled and unneeded sarcasm line at the end. -- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org