On Thu, Aug 29, 2019 at 10:46:42AM +0200, Auger Eric wrote: > If I understand correctly PT mode is a bypass mode. With the ARM SMMUv3 > the IOMMU MR translate() function gets called but implements a direct > mapping. I understand that on your side, you destroy the IOMMU MR, right? > > At the moment since SMMUv3/VFIO integration is not ready I plan to > forbid any usage of VFIO along with SMMUv3, whatever the enable state. > > When HW nested paging gets ready, the stage1 bypass state will be > propagated to the HW config structure. > > Hope I answer your question.
Yes, nested page tables will be fine. :) Thanks, -- Peter Xu