Re: [Xen-devel] [PATCH v2 9/9] xen/gntdev: Expose gntdev's dma-buf API for in-kernel use

[Oleksandr Andrushchenko <andr2000@xxxxxxxxx>]

On 06/05/2018 01:36 AM, Boris Ostrovsky wrote:
> On 06/01/2018 07:41 AM, Oleksandr Andrushchenko wrote:
> > From: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
> >
> > Allow creating grant device context for use by kernel modules which
> > require functionality, provided by gntdev. Export symbols for dma-buf
> > API provided by the module.
> Can you give an example of who'd be using these interfaces?
There is no use-case at the moment I can think of, but hyper dma-buf 
[1], [2]
I let Intel folks (CCed) to defend this patch as it was done primarily 
for them
and I don't use it in any of my use-cases. So, from this POV it can be 
dropped,
at least from this series.
> -boris
[1] https://patchwork.freedesktop.org/series/38207/
[2] https://patchwork.freedesktop.org/patch/204447/

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