linux-kernel - Re: [PATCH 1/2] virtio: add dma-buf support for exported objects

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Date:   Tue, 25 Feb 2020 07:10:08 +0100
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     David Stevens <stevensd@...omium.org>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        "Michael S . Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        virtualization@...ts.linux-foundation.org,
        linux-media@...r.kernel.org, linaro-mm-sig@...ts.linaro.org,
        virtio-dev@...ts.oasis-open.org
Subject: Re: [PATCH 1/2] virtio: add dma-buf support for exported objects

On Wed, Feb 19, 2020 at 05:06:36PM +0900, David Stevens wrote:
> This change adds a new flavor of dma-bufs that can be used by virtio
> drivers to share exported objects. A virtio dma-buf can be queried by
> virtio drivers to obtain the UUID which identifies the underlying
> exported object.

That duplicates a bunch of code from dma-buf.c in virtio_dma_buf.c.

How about dma_buf_{get,set}_uuid, simliar to dma_buf_set_name?

cheers,
  Gerd