From: Oleksandr Andrushchenko <andr2000@gmail.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
dongwon.kim@intel.com, matthew.d.roper@intel.com
Cc: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org,
jgross@suse.com, konrad.wilk@oracle.com, daniel.vetter@intel.com,
Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Subject: Re: [PATCH v2 9/9] xen/gntdev: Expose gntdev's dma-buf API for in-kernel use
Date: Wed, 6 Jun 2018 15:46:58 +0300 [thread overview]
Message-ID: <984bcf75-9bea-aceb-3d3a-62e3c65709c7@gmail.com> (raw)
In-Reply-To: <86f5b340-856c-204f-4ba7-dd51f1e92639@oracle.com>
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@epam.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.
>
> -boris
>
[1] https://patchwork.freedesktop.org/series/38207/
[2] https://patchwork.freedesktop.org/patch/204447/
next prev parent reply other threads:[~2018-06-06 12:47 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-01 11:41 [PATCH v2 0/9] xen: dma-buf support for grant device Oleksandr Andrushchenko
2018-06-01 11:41 ` [PATCH v2 1/9] xen/grant-table: Export gnttab_{alloc|free}_pages as GPL Oleksandr Andrushchenko
2018-06-04 9:27 ` Juergen Gross
2018-06-19 13:04 ` Juergen Gross
2018-06-01 11:41 ` [PATCH v2 2/9] xen/grant-table: Make set/clear page private code shared Oleksandr Andrushchenko
2018-06-01 11:44 ` Oleksandr Andrushchenko
2018-06-04 15:43 ` Boris Ostrovsky
2018-06-01 11:41 ` [PATCH v2 3/9] xen/balloon: Share common memory reservation routines Oleksandr Andrushchenko
2018-06-04 16:37 ` Boris Ostrovsky
2018-06-04 17:07 ` Oleksandr Andrushchenko
2018-06-06 7:24 ` Oleksandr Andrushchenko
2018-06-06 21:09 ` Boris Ostrovsky
2018-06-07 5:32 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` [PATCH v2 4/9] xen/grant-table: Allow allocating buffers suitable for DMA Oleksandr Andrushchenko
2018-06-04 18:46 ` Boris Ostrovsky
2018-06-06 7:51 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` [PATCH v2 5/9] xen/gntdev: Allow mappings for DMA buffers Oleksandr Andrushchenko
2018-06-04 20:12 ` Boris Ostrovsky
2018-06-06 8:14 ` [Xen-devel] " Oleksandr Andrushchenko
2018-06-06 21:19 ` Boris Ostrovsky
2018-06-07 6:39 ` Oleksandr Andrushchenko
2018-06-07 21:46 ` Boris Ostrovsky
2018-06-08 11:33 ` Oleksandr Andrushchenko
2018-06-08 17:59 ` Stefano Stabellini
2018-06-08 19:21 ` Boris Ostrovsky
2018-06-11 13:13 ` Oleksandr Andrushchenko
2018-06-11 16:51 ` Stefano Stabellini
2018-06-11 17:16 ` Oleksandr Andrushchenko
2018-06-11 17:46 ` Julien Grall
2018-06-11 17:49 ` Oleksandr Andrushchenko
2018-06-11 17:56 ` Julien Grall
2018-06-11 17:41 ` Julien Grall
2018-06-01 11:41 ` [PATCH v2 6/9] xen/gntdev: Add initial support for dma-buf UAPI Oleksandr Andrushchenko
2018-06-04 20:49 ` Boris Ostrovsky
2018-06-06 9:06 ` Oleksandr Andrushchenko
2018-06-06 21:32 ` Boris Ostrovsky
2018-06-07 7:17 ` Oleksandr Andrushchenko
2018-06-07 22:26 ` Boris Ostrovsky
2018-06-08 11:38 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` [PATCH v2 7/9] xen/gntdev: Implement dma-buf export functionality Oleksandr Andrushchenko
2018-06-04 22:07 ` Boris Ostrovsky
2018-06-06 12:10 ` Oleksandr Andrushchenko
2018-06-06 21:48 ` Boris Ostrovsky
2018-06-07 8:44 ` Oleksandr Andrushchenko
2018-06-07 22:30 ` Boris Ostrovsky
2018-06-08 11:34 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` [PATCH v2 8/9] xen/gntdev: Implement dma-buf import functionality Oleksandr Andrushchenko
2018-06-04 22:28 ` Boris Ostrovsky
2018-06-06 12:38 ` Oleksandr Andrushchenko
2018-06-01 11:41 ` [PATCH v2 9/9] xen/gntdev: Expose gntdev's dma-buf API for in-kernel use Oleksandr Andrushchenko
2018-06-04 22:36 ` Boris Ostrovsky
2018-06-06 12:46 ` Oleksandr Andrushchenko [this message]
2018-06-06 21:51 ` [Xen-devel] " Boris Ostrovsky
2018-06-06 22:05 ` Dongwon Kim
2018-06-07 7:33 ` Oleksandr Andrushchenko
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