> From: Robin Murphy <robin.murphy@xxxxxxx> > Sent: Saturday, April 9, 2022 1:45 AM > > > > > So, I suppose VFIO would want to attach/detatch on every vfio_device > > individually and it would iterate over the group instead of doing a > > list_first_entry() like above. This would not be hard to do in VFIO. > > It feels like we've already beaten that discussion to death in other > threads; regardless of what exact argument the iommu_attach/detach > operations end up taking, they have to operate on the whole (explicit or > implicit) iommu_group at once, because doing anything else would defeat > the point of isolation groups, and be impossible for alias groups. > Could you add a few words about what is 'alias group'?
