Re: [PATCH v6 01/11] iommu: Add dma ownership management interfaces

[Jason Gunthorpe]

On Wed, Feb 23, 2022 at 06:00:06PM +0000, Robin Murphy wrote:

> ...and equivalently just set owner_cnt directly to 0 here. I don't see a
> realistic use-case for any driver to claim the same group more than once,
> and allowing it in the API just feels like opening up various potential
> corners for things to get out of sync.

I am Ok if we toss it out to get this merged, as there is no in-kernel
user right now.

Something will have to come back for iommufd, but we can look at what
is best suited then.

Thanks,
Jason