Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753450AbYAIAhT (ORCPT ); Tue, 8 Jan 2008 19:37:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751489AbYAIAhF (ORCPT ); Tue, 8 Jan 2008 19:37:05 -0500 Received: from smtp2.linux-foundation.org ([207.189.120.14]:58088 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751421AbYAIAhD (ORCPT ); Tue, 8 Jan 2008 19:37:03 -0500 Date: Tue, 8 Jan 2008 16:31:20 -0800 From: Andrew Morton To: Paul Jackson Cc: jbeulich@novell.com, hch@infradead.org, pagg@oss.sgi.com, erikj@sgi.com, matthltc@us.ibm.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/4] add task handling notifier Message-Id: <20080108163120.e1b42c30.akpm@linux-foundation.org> In-Reply-To: <20080108180309.4ccab28d.pj@sgi.com> References: <476A780C.76E4.0078.0@novell.com> <20071223122621.GA19310@infradead.org> <20071225140526.547a882f.akpm@linux-foundation.org> <47838ACB.76E4.0078.0@novell.com> <20080108141424.de5d8fba.akpm@linux-foundation.org> <20080108180309.4ccab28d.pj@sgi.com> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.20; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1033 Lines: 26 On Tue, 8 Jan 2008 18:03:09 -0600 Paul Jackson wrote: > Andrew wrote: > > What are those (unidentified) add-on features doing at present? > > Patching calls into fork.c/exec.c/exit.c? > > Most likely. I suspect we have general agreement and awareness > that such patching is not something that sells well in Linux-land. > And for good reason in my personal view ... such patching by loadable > modules could open the door to compromising the integrity of Linux in > ways that could be dangerous. > err, no. What I meant was that the providers of these mystery features are presumably also patching into fork.c/exec.c/exit.c at the source code level so as to enable the mystery features within their overall kernel package. If so, this doesn't sounds terribly onerous. -- 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/