linux-kernel - Re: [GIT PATCH] UIO patches for 2.6.21

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Message-ID: <20070428002618.7cf11dc5@the-village.bc.nu>
Date:	Sat, 28 Apr 2007 00:26:18 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Greg KH <gregkh@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, tglx@...utronix.de,
	Benedikt Spranger <b.spranger@...utronix.de>,
	"Hans J. Koch" <hjk@...utronix.de>
Subject: Re: [GIT PATCH] UIO patches for 2.6.21

> I'm a bit uncertain about the whole UIO idea, really.  I have this vague
> feeling that we'd prefer to encourage people to move device drivers into
> GPL'ed kernel rather than encouraging them to do closed-source userspace
> implementations which will probably end up being slower, less reliable and
> unavailable on various architectures, distros, etc.

UIO is suprisingly close to chunks of the drm driver so the basic design
seems to have some sanity to it. 

Alan
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