Merge branch 'pci/virtualization'

Merge branch 'pci/virtualization'

- Add rescan/remove locking when enabling/disabling SR-IOV, which solves
  list corruption on s390, where disabling SR-IOV also generates hotplug
  events (Niklas Schnelle)

- Add lockdep assertion in pci_stop_and_remove_bus_device() to catch
  device removal without appropriate locking (Niklas Schnelle)

* pci/virtualization:
  PCI: Add lockdep assertion in pci_stop_and_remove_bus_device()
  PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV