include/migration: mark vmstate_register() as a legacy function
Mention that QOM-ified devices already have support for registering
the description.
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230630180423.558337-24-alex.bennee@linaro.org>
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index 084f5e7..d1b8abe 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -1209,7 +1209,15 @@
int required_for_version,
Error **errp);
-/* Returns: 0 on success, -1 on failure */
+/**
+ * vmstate_register() - legacy function to register state
+ * serialisation description
+ *
+ * New code shouldn't be using this function as QOM-ified devices have
+ * dc->vmsd to store the serialisation description.
+ *
+ * Returns: 0 on success, -1 on failure
+ */
static inline int vmstate_register(VMStateIf *obj, int instance_id,
const VMStateDescription *vmsd,
void *opaque)
