On Fri, Mar 01, 2019 at 12:38:26PM -0700, Jordan Crouse wrote: > Add an attribute to return the base address of the pagetable. This is used > by auxiliary domains from arm-smmu to return the address of the pagetable > to the leaf driver so that it can set the appropriate pagetable through > it's own means. What is this going to be used for? Page-table management is supposed to happen in the arm-smmu driver and the gpu driver only makes changes through iommu_map/iommu_unmap calls. Regards, Joerg