Messages in this thread | | | Date | Fri, 2 Dec 2022 10:42:56 -0400 | From | Jason Gunthorpe <> | Subject | Re: [PATCH v2 7/7] iommu/s390: flush queued IOVAs on RPCIT out of resource indication |
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On Fri, Dec 02, 2022 at 03:29:50PM +0100, Niklas Schnelle wrote:
> @Robin @Joerg, if you are open to changing .iotlb_sync_map such that it > can return and error and then failing the mapping operation I think > this is a great approach. One advantage over the previous approach of > flushing the queue isthat this should work for the pure IOMMU API too.
I think it is pretty important that the "pure" IOMMU API work with whatever your solution its, the iommu_domain implementation in a driver should not be sensitive to if the dma-iommu.c is operating the domain or something else.
Jason
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