+static
+void lttng_event_sync_filter_state(struct lttng_kernel_event_common *event)
+{
+ int has_enablers_without_filter_bytecode = 0, nr_filters = 0;
+ struct lttng_kernel_bytecode_runtime *runtime;
+ struct lttng_enabler_ref *enabler_ref;
+
+ /* Check if has enablers without bytecode enabled */
+ list_for_each_entry(enabler_ref, &event->priv->enablers_ref_head, node) {
+ if (enabler_ref->ref->enabled
+ && list_empty(&enabler_ref->ref->filter_bytecode_head)) {
+ has_enablers_without_filter_bytecode = 1;
+ break;
+ }
+ }
+ event->priv->has_enablers_without_filter_bytecode = has_enablers_without_filter_bytecode;
+
+ /* Enable filters */
+ list_for_each_entry(runtime, &event->priv->filter_bytecode_runtime_head, node) {
+ lttng_bytecode_sync_state(runtime);
+ nr_filters++;
+ }
+ WRITE_ONCE(event->eval_filter, !(has_enablers_without_filter_bytecode || !nr_filters));
+}
+
+static
+void lttng_event_sync_capture_state(struct lttng_kernel_event_common *event)
+{
+ switch (event->type) {
+ case LTTNG_KERNEL_EVENT_TYPE_RECORDER:
+ break;
+ case LTTNG_KERNEL_EVENT_TYPE_NOTIFIER:
+ {
+ struct lttng_kernel_event_notifier *event_notifier =
+ container_of(event, struct lttng_kernel_event_notifier, parent);
+ struct lttng_kernel_bytecode_runtime *runtime;
+ int nr_captures = 0;
+
+ /* Enable captures */
+ list_for_each_entry(runtime, &event_notifier->priv->capture_bytecode_runtime_head, node) {
+ lttng_bytecode_sync_state(runtime);
+ nr_captures++;
+ }
+ WRITE_ONCE(event_notifier->eval_capture, !!nr_captures);
+ break;
+ }
+ default:
+ WARN_ON_ONCE(1);
+ }
+}
+