Merge tag 'for-joerg' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd into core

iommu shared branch with iommufd

The three dependent series on a shared branch:

- Change the iommufd fault handle into an always present hwpt handle in
  the domain

- Give iommufd its own SW_MSI implementation along with some IRQ layer
  rework

- Improvements to the handle attach API