On Tue, Feb 25, 2020 at 3:10 PM Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote:
>
> 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?
While I'm not opposed to such an API, I'm also hesitant to make
changes to the dma-buf API for a single use case.
As for the duplicated code around virtio_dma_buf_export_info, it can
be removed by sacrificing a little bit of type safety, if that's
preferable.
-David
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