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

[Wei Liu <wei.liu2@xxxxxxxxxx>]

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
reviewing.

Wei.

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