linux-kernel - Re: GPL only modules [was Re: [GIT PATCH] more Driver core patches for 2.6.19]

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Message-Id: <1166101830.27217.1037.camel@laptopd505.fenrus.org>
Date:	Thu, 14 Dec 2006 14:10:30 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
Cc:	Alan <alan@...rguk.ukuu.org.uk>,
	Hans-Jürgen Koch <hjk@...utronix.de>,
	Hua Zhong <hzhong@...il.com>,
	"'Martin J. Bligh'" <mbligh@...igh.org>,
	'Linus Torvalds' <torvalds@...l.org>,
	'Greg KH' <gregkh@...e.de>, 'Jonathan Corbet' <corbet@....net>,
	'Andrew Morton' <akpm@...l.org>,
	"'Michael K. Edwards'" <medwards.linux@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: GPL only modules [was Re: [GIT PATCH] more Driver core patches
	for 2.6.19]

On Thu, 2006-12-14 at 13:55 +0100, Jan Engelhardt wrote:
> On Dec 14 2006 12:42, Alan wrote:
> >On Thu, 14 Dec 2006 12:31:16 +0100
> >Hans-Jürgen Koch <hjk@...utronix.de> wrote:
> >> You think it's easier for a manufacturer of industrial IO cards to
> >> debug a (large) kernel module?
> >
> >You think its any easier to debug because the code now runs in ring 3 but
> >accessing I/O space.
> 
> A NULL fault won't oops the system,

.. except when the userspace driver crashes as a result and then the hw
still crashes the hw (for example via an irq storm or by tying the PCI
bus or .. )


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