Merge tag 'migration-staging-pull-request' of https://gitlab.com/peterx/qemu into...

Merge tag 'migration-staging-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull

- William's fix on hwpoison migration which used to crash QEMU
- Peter's multifd cleanup + bugfix + optimizations
- Avihai's fix on multifd crash over non-socket channels
- Fabiano's multifd thread-race fix
- Peter's CI fix series

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* tag 'migration-staging-pull-request' of https://gitlab.com/peterx/qemu: (34 commits)
  ci: Update comment for migration-compat-aarch64
  ci: Remove tag dependency for build-previous-qemu
  tests/migration-test: Stick with gicv3 in aarch64 test
  migration/multifd: Add a synchronization point for channel creation
  migration/multifd: Unify multifd and TLS connection paths
  migration/multifd: Move multifd_send_setup into migration thread
  migration/multifd: Move multifd_send_setup error handling in to the function
  migration/multifd: Remove p->running
  migration/multifd: Join the TLS thread
  migration: Fix logic of channels and transport compatibility check
  migration/multifd: Optimize sender side to be lockless
  migration/multifd: Fix MultiFDSendParams.packet_num race
  migration/multifd: Stick with send/recv on function names
  migration/multifd: Cleanup multifd_load_cleanup()
  migration/multifd: Cleanup multifd_save_cleanup()
  migration/multifd: Rewrite multifd_queue_page()
  migration/multifd: Change retval of multifd_send_pages()
  migration/multifd: Change retval of multifd_queue_page()
  migration/multifd: Split multifd_send_terminate_threads()
  migration/multifd: Forbid spurious wakeups
  ...

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