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Date: Wed, 6 Jun 2018 17:51:38 -0400
From: Boris Ostrovsky <boris.ostrovsky@...cle.com>
To: Oleksandr Andrushchenko <andr2000@...il.com>,
dongwon.kim@...el.com, matthew.d.roper@...el.com
Cc: jgross@...e.com,
Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>,
linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
daniel.vetter@...el.com, xen-devel@...ts.xenproject.org,
linux-media@...r.kernel.org
Subject: Re: [Xen-devel] [PATCH v2 9/9] xen/gntdev: Expose gntdev's dma-buf
API for in-kernel use
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@...m.com>
>>>
>>> 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/
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@...ts.xenproject.org
> https://lists.xenproject.org/mailman/listinfo/xen-devel
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