Re: [PATCH] dma-buf: Use EXPORT_SYMBOL

[Konrad Rzeszutek Wilk]

On Fri, Jan 20, 2012 at 10:04:57AM -0800, Robert Morell wrote:
> On Wed, Jan 18, 2012 at 01:10:04AM -0800, Semwal, Sumit wrote:
> > On Wed, Jan 18, 2012 at 5:38 AM, Robert Morell <rmorell@xxxxxxxxxx> wrote:
> > > EXPORT_SYMBOL_GPL is intended to be used for "an internal implementation
> > > issue, and not really an interface".  The dma-buf infrastructure is
> > > explicitly intended as an interface between modules/drivers, so it
> > > should use EXPORT_SYMBOL instead.
> > 
> > + Konrad, Arnd, Mauro: there were strong objections on using
> > EXPORT_SYMBOL in place of EXPORT_SYMBOL_GPL by all 3 of them; I

I am going to defer to what David Airlie recommends.

> > suggest we first arrive at a consensus before merging this patch.
> 
> This discussion seems to have stagnated; how do we move forward here?
> 
> Sumit, as the primary author and new maintainer (congrats!) of the
> dma-buf infrastructure, it seems like it's really your call how to
> proceed.  I'd still like to see this be something that we can use from
> the nvidia and fglrx drivers for Xorg buffer sharing, as I and Dave have
> argued in this thread.  It really seems to me that this change on a
> technical level won't have any adverse effect on the scenarios where it
> can be used today, but it will allow it to be used more widely, which
> will prevent duplication and fragmentation in the future and be greatly
> appreciated by users of hardware such as Optimus.
> 
> Let me know if you have any questions.
> 
> Thanks,
> Robert
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