linux-kernel - Re: [PATCH 0/4] add task handling notifier

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Message-Id: <20080108163120.e1b42c30.akpm@linux-foundation.org>
Date:	Tue, 8 Jan 2008 16:31:20 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Paul Jackson <pj@....com>
Cc:	jbeulich@...ell.com, hch@...radead.org, pagg@....sgi.com,
	erikj@....com, matthltc@...ibm.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] add task handling notifier

On Tue, 8 Jan 2008 18:03:09 -0600
Paul Jackson <pj@....com> 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.
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