Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Pull request

# gpg: Signature made Mon 11 Oct 2021 05:40:35 AM PDT
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <[email protected]>" [full]
# gpg:                 aka "Stefan Hajnoczi <[email protected]>" [full]

* remotes/stefanha/tags/block-pull-request:
  iothread: use IOThreadParamInfo in iothread_[set|get]_param()
  iothread: rename PollParamInfo to IOThreadParamInfo

Signed-off-by: Richard Henderson <[email protected]>