Hi Tom,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tegra/for-next]
[also build test ERROR on vfio/next v5.9-rc1 next-20200817]
[cannot apply to iommu/next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we
Add a flush_iotlb_range to allow flushing of an iova range instead of a
full flush in the dma-iommu path.
Allow the iommu_unmap_fast to return newly freed page table pages and
pass the freelist to queue_iova in the dma-iommu ops path.
This patch is useful for iommu drivers (in this case the