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Fabiano Rosas
538e03d280
The qmp_migrate_cancel() command is poorly tested and code inspection reveals that there might be concurrency issues with its usage. Add a test that runs a migration and calls qmp_migrate_cancel() at specific moments. In order to make the test more deterministic, instead of calling qmp_migrate_cancel() at random moments during migration, do it after the migration status change events are seen. The expected result is that qmp_migrate_cancel() on the source ends migration on the source with the "cancelled" state and ends migration on the destination with the "failed" state. The only exception is that a failed migration should continue in the failed state. Cancelling is not allowed during postcopy (no test is added for this because it's a trivial check in the code). Reviewed-by: Peter Xu <peterx@redhat.com> Message-ID: <20250213175927.19642-9-farosas@suse.de> Signed-off-by: Fabiano Rosas <farosas@suse.de>