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Re: [Xen-devel] [PATCH v2 9/9] xen/gntdev: Expose gntdev's dma-buf API for in-kernel use
- To: Oleksandr Andrushchenko <andr2000@xxxxxxxxx>, dongwon.kim@xxxxxxxxx, matthew.d.roper@xxxxxxxxx
- From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Date: Wed, 6 Jun 2018 17:51:38 -0400
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- Cc: jgross@xxxxxxxx, Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, daniel.vetter@xxxxxxxxx, linux-media@xxxxxxxxxxxxxxx
- Delivery-date: Wed, 06 Jun 2018 21:48:03 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Openpgp: preference=signencrypt
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
>>
>> -boris
>>
> [1] https://patchwork.freedesktop.org/series/38207/
> [2] https://patchwork.freedesktop.org/patch/204447/
>
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