linux-kernel - Re: [PATCH V2] VFIO driver: Non-privileged user level PCI drivers

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Message-ID: <20100611041951.GA23796@suse.de>
Date:	Thu, 10 Jun 2010 21:19:51 -0700
From:	Greg KH <gregkh@...e.de>
To:	Tom Lyon <pugs@...n-about.com>
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	randy.dunlap@...cle.com, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org, chrisw@...s-sol.org, joro@...tes.org,
	hjk@...utronix.de, mst@...hat.com, avi@...hat.com,
	aafabbri@...co.com, scofeldm@...co.com
Subject: Re: [PATCH V2] VFIO driver: Non-privileged user level PCI drivers

On Thu, Jun 10, 2010 at 06:58:37PM -0700, Tom Lyon wrote:
> On Thursday 10 June 2010 10:27:36 am Konrad Rzeszutek Wilk wrote:
> > > +EXPORT_SYMBOL(uiommu_fdget);
> > 
> > EXPORT_SYMBOL_GPL
> > .. snip
> > > +EXPORT_SYMBOL(uiommu_put);
> > 
> > ditto.
> > 
> 
> Is there a definitive explanation somewhere of when to use each?

For a driver like this, that is very tied to the way that the kernel
works, I would recommend the _GPL marking, like the UIO interface has.

But that's just me. :)

thanks,

greg k-h
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