Re: [PATCH v4 7/9] xen/gntdev: Add initial support for dma-buf UAPI

[Boris Ostrovsky]

On 06/15/2018 02:27 AM, Oleksandr Andrushchenko wrote:
> From: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
>
> Add UAPI and IOCTLs for dma-buf grant device driver extension:
> the extension allows userspace processes and kernel modules to
> use Xen backed dma-buf implementation. With this extension grant
> references to the pages of an imported dma-buf can be exported
> for other domain use and grant references coming from a foreign
> domain can be converted into a local dma-buf for local export.
> Implement basic initialization and stubs for Xen DMA buffers'
> support.
>
> Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>