Re: [PATCH 0/4] cover-letter: Allow MMIO regions to be exported through dmabuf

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Am 26.02.25 um 14:38 schrieb Jason Gunthorpe:
> On Wed, Feb 26, 2025 at 07:55:07AM +0000, Kasireddy, Vivek wrote:
>
>>> Is there any update or ETA for the v3? Are there any ways we can help?
>> I believe Leon's series is very close to getting merged. Once it
>> lands, this series can be revived.
> The recent drama has made what happens next unclear.
>
> I would like it if interested parties could contribute reviews to
> Leon's v7 series to help it along.

I think demonstrating how any new interface would work with the existing importers/exporters would help.

> We may want to start considering pushing ahead with this patch series
> and using the usual hack of abusing the scatterlist in the mean time.

That works for me as well.

I think when we should get away from scatterlist then that should be a separate set of patches or maybe call it a separate project to get done for all DMA-buf parties.

E.g. propose something like an iterator based interface and demonstrate that V4L and a DRM driver can live with that and that this approach works like expected.

Regards,
Christian.


>
> Thanks,
> Jason





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