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Re: [Xen-devel] [PATCH] libgnttab: Add support for Linux dma-buf

On 07/25/2018 12:53 PM, Wei Liu wrote:
On Wed, Jul 25, 2018 at 12:49:29PM +0300, Oleksandr Andrushchenko wrote:
On 07/25/2018 12:39 PM, Wei Liu wrote:
On Mon, Jul 23, 2018 at 03:27:25PM +0300, Oleksandr Andrushchenko wrote:
From: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>

Add support for Linux grant device driver extension which allows
converting existing dma-buf's into an array of grant references
and vise versa. This is only implemented for Linux as other OSes
have no Linux dma-buf support.

Bump gnttab library minor version to 3.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
Has the Linux side been merged yet?
It is going to be merged into Boris' staging for now
and then eventually move into Xen tip's for-linus (Boris can
tell more on that: Linux is already at rc6, so I think this
can happen in the nearest future).

OK. So the interfaces on Linux's side are agreed.

Given that Xen and Linux parts are actually independent,
I decided to start upstreaming libgnttab changes now, allowing
me to mature the code and address comments
 From my PoV this patch provides a bunch of wrappers around Linux ioctls
so I would like to be sure the underlying interfaces are agreed before
Fair enough,
Boris could you please estimate when the corresponding Linux
changes have a chance to get into Xen tip Linux tree?
Thank you,

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