On Thu, 2022-05-19 at 14:29 -0400, Matthew Rosato wrote: > Since commit 0286300e6045 ("iommu: iommu_group_claim_dma_owner() must > always assign a domain") s390-iommu will get called to allocate multiple > unmanaged iommu domains for a vfio-pci device -- however the current > s390-iommu logic tolerates only one. Recognize that multiple domains can > be allocated and handle switching between DMA or different iommu domain > tables during attach_dev. > > Signed-off-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx> > --- I know it's applied already and no need to add my R-b but: Reviewed-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx>