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

[Oleksandr Andrushchenko <andr2000@xxxxxxxxx>]

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.
Yes
> > 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
> reviewing.
Fair enough,
Boris could you please estimate when the corresponding Linux
changes have a chance to get into Xen tip Linux tree?
> Wei.
Thank you,
Oleksandr

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