Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20150109.0' into...

VFIO fixes:
- Fix 32bit overflow in handling large PCI BARs (Alex Williamson)
- Fix interrupt shutdown ordering (Alex Williamson)

# gpg: Signature made Fri 09 Jan 2015 16:23:42 GMT using RSA key ID 3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>"
# gpg:                 aka "Alex Williamson <alex@shazbot.org>"
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>"
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>"

* remotes/awilliam/tags/vfio-update-20150109.0:
  vfio-pci: Fix interrupt disabling
  vfio-pci: Fix BAR size overflow

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>