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Migration pull request

Browse source 
- Fabiano's fixed-ram patches (1-5 only)
 - Peter's cleanups on multifd tls IOC referencing
 - Steve's cpr patches for vfio (migration patches only)
 - Fabiano's fix on mbps stats racing with COMPLETE state
 - Fabiano's fix on return path thread hang
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Merge tag 'migration-next-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull request

- Fabiano's fixed-ram patches (1-5 only)
- Peter's cleanups on multifd tls IOC referencing
- Steve's cpr patches for vfio (migration patches only)
- Fabiano's fix on mbps stats racing with COMPLETE state
- Fabiano's fix on return path thread hang

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* tag 'migration-next-pull-request' of https://gitlab.com/peterx/qemu: (25 commits)
  migration: Use migrate_has_error() in close_return_path_on_source()
  migration: Join the return path thread before releasing to_dst_file
  migration: Fix qmp_query_migrate mbps value
  migration: options incompatible with cpr
  migration: update cpr-reboot description
  migration: stop vm for cpr
  migration: notifier error checking
  migration: refactor migrate_fd_connect failures
  migration: per-mode notifiers
  migration: MigrationNotifyFunc
  migration: remove postcopy_after_devices
  migration: MigrationEvent for notifiers
  migration: convert to NotifierWithReturn
  migration: remove error from notifier data
  notify: pass error to notifier with return
  migration/multifd: Drop unnecessary helper to destroy IOC
  migration/multifd: Cleanup outgoing_args in state destroy
  migration/multifd: Make multifd_channel_connect() return void
  migration/multifd: Drop registered_yank
  migration/multifd: Cleanup TLS iochannel referencing
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2024-02-28 17:27:10 +00:00
commit c0c6a0e352
24 changed files with 354 additions and 211 deletions
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4
docs/devel/migration/main.rst
View file

@ -41,6 +41,10 @@ over any transport.
- exec migration: do the migration using the stdin/stdout through a process.
- fd migration: do the migration using a file descriptor that is
passed to QEMU. QEMU doesn't care how this file descriptor is opened.
- file migration: do the migration using a file that is passed to QEMU
by path. A file offset option is supported to allow a management
application to add its own metadata to the start of the file without
QEMU interference.
In addition, support is included for migration using RDMA, which
transports the page data using ``RDMA``, where the hardware takes care of