Merge tag 'for-linus-4.13b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:
 "Three minor cleanups for xen related drivers"

* tag 'for-linus-4.13b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: dont fiddle with event channel masking in suspend/resume
  xen: selfballoon: remove unnecessary static in frontswap_selfshrink()
  xen: Drop un-informative message during boot