Merge remote-tracking branch 'remotes/alex.williamson/tags/vfio-update-20211101.0...

Merge remote-tracking branch 'remotes/alex.williamson/tags/vfio-update-20211101.0' into staging

VFIO update 2021-11-01

 * Re-enable expanded sub-page BAR mappings after migration (Kunkun Jiang)

 * Trace dropped listener sections due to page alignment (Kunkun Jiang)

# gpg: Signature made Mon 01 Nov 2021 03:48:28 PM EDT
# gpg:                using RSA key 42F6C04E540BD1A99E7B8A90239B9B6E3BB08B22
# gpg:                issuer "alex.williamson@redhat.com"
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>" [full]
# gpg:                 aka "Alex Williamson <alex@shazbot.org>" [full]
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>" [full]
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>" [full]

* remotes/alex.williamson/tags/vfio-update-20211101.0:
  vfio/common: Add a trace point when a MMIO RAM section cannot be mapped
  vfio/pci: Add support for mmapping sub-page MMIO BARs after live migration

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>