Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20210714.0' into...

Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20210714.0' into staging

VFIO update 2021-07-14

 * Coverity fix to discard listener (David Hildenbrand)

 * MSI-X PBA quirk for BAIDU VFs, additional helper use cases (Cai Huoqing)

# gpg: Signature made Wed 14 Jul 2021 22:31:35 BST
# 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]
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B  8A90 239B 9B6E 3BB0 8B22

* remotes/awilliam/tags/vfio-update-20210714.0:
  vfio/pci: Add pba_offset PCI quirk for BAIDU KUNLUN AI processor
  vfio/pci: Change to use vfio_pci_is()
  vfio: Fix CID 1458134 in vfio_register_ram_discard_listener()

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