On Wed, Aug 23, 2023 at 01:47:18PM -0300, Jason Gunthorpe wrote: > The PLATFORM domain will be set as the default domain and attached as > normal during probe. The driver will ignore the initial attach from a NULL > domain to the PLATFORM domain. > > After this, the PLATFORM domain's attach_dev will be called whenever we > detach from an UNMANAGED domain (eg for VFIO). This is the same time the > original design would have called op->detach_dev(). > > This is temporary until the S390 dma-iommu.c conversion is merged. > > Tested-by: Heiko Stuebner <heiko@xxxxxxxxx> > Tested-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx> > Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Reviewed-by: Jerry Snitselaar <jsnitsel@xxxxxxxxxx>