linux-kernel - Re: [PATCH v4 9/9] xen/gntdev: Implement dma-buf import functionality

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Message-ID: <33f9ab75-4297-d4e0-4ad5-d432cbf3242d@oracle.com>
Date:   Fri, 15 Jun 2018 17:03:10 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Oleksandr Andrushchenko <andr2000@...il.com>,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-media@...r.kernel.org,
        jgross@...e.com, konrad.wilk@...cle.com
Cc:     daniel.vetter@...el.com, dongwon.kim@...el.com,
        matthew.d.roper@...el.com,
        Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>
Subject: Re: [PATCH v4 9/9] xen/gntdev: Implement dma-buf import functionality

On 06/15/2018 02:27 AM, Oleksandr Andrushchenko wrote:
> From: Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>
>
> 1. Import a dma-buf with the file descriptor provided and export
>    granted references to the pages of that dma-buf into the array
>    of grant references.
>
> 2. Add API to close all references to an imported buffer, so it can be
>    released by the owner. This is only valid for buffers created with
>    IOCTL_GNTDEV_DMABUF_IMP_TO_REFS.
>
> Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>


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