On 06/07/2018 01:05 AM, Dongwon Kim wrote:
On Wed, Jun 06, 2018 at 05:51:38PM -0400, Boris Ostrovsky wrote:
On 06/06/2018 08:46 AM, Oleksandr Andrushchenko wrote:
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.
Yes, let's drop this until someone actually needs it.
-boris
I agree. We are working on re-architecturing hyper_dmabuf. We would use zcopy
apis however, not sure if we are going to do it from kernel or from userspace.
So please do not expose those for now.
Ok, as we are all on the same page for that then I'll drop this patch
for now
-boris
[1] https://patchwork.freedesktop.org/series/38207/
[2] https://patchwork.freedesktop.org/patch/204447/
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