>Btw, what is the current state of converting intel-iommu to the dma-iommu These changes expose a bug in the i915 intel driver which hasn't been fixed yet. I don't think anyone is actively working on it but I plan on merging as many patches as I can so it's easier to do the intel-iommu -> dma-iommu conversion once the bug is fixed. You can read more about it here: https://patchwork.kernel.org/cover/11306999/ On Fri, 10 Jul 2020 at 08:59, Christoph Hellwig <hch@xxxxxx> wrote: > > Btw, what is the current state of converting intel-iommu to the dma-iommu > code?