[PATCH 0/3] iommu: Avoid DMA ops domain refcount contention

On Fri, Aug 17, 2018 at 12:24:15AM -0700, Christoph Hellwig wrote:

I plan to make the arm iommu dma ops generic and move them to
drivers/iommu for the 4.20 merge window.  Because of that it would
be great to create a stable branch or even pull this in through
the dma-mapping tree entirely.

In which case, for the arm64 bits:

Acked-by: Will Deacon <redacted>

Will