On Fri, Aug 26, 2022 at 08:11:36PM +0800, Lu Baolu wrote: > +static const struct iommu_domain_ops arm_smmu_sva_domain_ops = { > + .set_dev_pasid = arm_smmu_sva_set_dev_pasid, Do we want to permit drivers to not allow a SVA domain to be set on a RID? It seems like a weird restriction to me Jason