linux-kernel - Re: [RFC] Simple userspace interface for PCI drivers

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Message-Id: <1157057934.24286.3.camel@bip.parateam.prv>
Date:	Thu, 31 Aug 2006 22:58:54 +0200
From:	Xavier Bestel <xavier.bestel@...e.fr>
To:	Lee Revell <rlrevell@...-job.com>
Cc:	Greg KH <greg@...ah.com>, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC] Simple userspace interface for PCI drivers

Le jeudi 31 août 2006 à 16:39 -0400, Lee Revell a écrit :
> On Thu, 2006-08-31 at 10:30 +0200, Xavier Bestel wrote:
> > Hi Greg,
> > 
> > On Wed, 2006-08-30 at 08:23, Greg KH wrote:
> > [...]
> > > Thomas and I lamented that we were getting tired of seeing stuff like
> > > this, and it was about time that we added the proper code to the kernel
> > > to provide everything that would be needed in order to write PCI drivers
> > > in userspace in a sane manner.  Really all that is needed is a way to
> > > handle the interrupt, everything else can already be done in userspace
> > > (look at X for an example of this...)
> > [...]
> > > So, here's the code. 
> > 
> > I know I look like I'm trolling here, but as this is the perfect
> > stable-binary-driver-ABI some people have been looking for, it would be
> > wise to make it taint the kernel with its own flag.
> 
> Why?  There's no technical or legal requirement for userspace drivers to
> be GPLed.

Precisely. How do you know the bugreport you received isn't caused by
some weird binary userspace driver hosing the PCI bus ?

	Xav

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