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

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Message-ID: <20061214124241.44347df6@localhost.localdomain>
Date:	Thu, 14 Dec 2006 12:42:41 +0000
From:	Alan <alan@...rguk.ukuu.org.uk>
To:	Hans-Jürgen Koch <hjk@...utronix.de>
Cc:	"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, 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.


> > uio also doesn't handle hotplug, pci and other "small" matters.
> 
> uio is supposed to be a very thin layer. Hotplug and PCI are already
> handled by other subsystems. 

And if you have a PCI or a hotplug card ? How many industrial I/O cards
are still ISA btw ?


Alan
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