Messages in this thread | | | Date | Wed, 23 Feb 2022 14:02:44 -0400 | From | Jason Gunthorpe <> | Subject | Re: [PATCH v6 01/11] iommu: Add dma ownership management interfaces |
| |
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
| |