On Thu, May 12, 2022 at 08:00:59AM +0100, Jean-Philippe Brucker wrote: > > It is not "missing" it is just renamed to > > blocking_domain->ops->set_dev_pasid() > > > > The implementation of that function would be identical to > > detach_dev_pasid. > > attach(dev, pasid, sva_domain) > detach(dev, pasid, sva_domain) > > versus > > set_dev_pasid(dev, pasid, sva_domain) > set_dev_pasid(dev, pasid, blocking) > > we loose the information of the domain previously attached, and the SMMU > driver has to retrieve it to find the ASID corresponding to the mm.
It would be easy to have the old domain be an input as well - the core code knows it. Jason _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
