- if (unlikely(!LTTNG_READ_ONCE(chan->session->active)))
- return 0;
- if (unlikely(!LTTNG_READ_ONCE(chan->enabled)))
- return 0;
- if (unlikely(!LTTNG_READ_ONCE(event_recorder->parent.enabled)))
- return 0;
-
- lib_ring_buffer_ctx_init(&ctx, chan->chan, <tng_probe_ctx, sizeof(data),
- lttng_alignof(data), -1);
- ret = chan->ops->event_reserve(&ctx, event_recorder->priv->id);
- if (ret < 0)
- return 0;
- lib_ring_buffer_align_ctx(&ctx, lttng_alignof(data));
- chan->ops->event_write(&ctx, &data, sizeof(data));
- chan->ops->event_commit(&ctx);
- return 0;
-}
-
-static
-int lttng_kprobes_event_notifier_handler_pre(struct kprobe *p, struct pt_regs *regs)
-{
- struct lttng_kernel_event_common_private *event_priv =
- container_of(p, struct lttng_kernel_event_common_private, u.kprobe.kp);
- struct lttng_kernel_event_notifier_private *event_notifier_priv =
- container_of(event_priv, struct lttng_kernel_event_notifier_private, parent);
- struct lttng_kernel_event_notifier *event_notifier =
- event_notifier_priv->pub;
- struct lttng_kernel_notification_ctx notif_ctx;
+ switch (event->type) {
+ case LTTNG_KERNEL_EVENT_TYPE_RECORDER:
+ {
+ struct lttng_kernel_event_recorder_private *event_recorder_priv =
+ container_of(event_priv, struct lttng_kernel_event_recorder_private, parent);
+ struct lttng_kernel_event_recorder *event_recorder =
+ event_recorder_priv->pub;
+ struct lttng_kernel_channel_buffer *chan = event_recorder->chan;
+
+ if (unlikely(!LTTNG_READ_ONCE(chan->parent.session->active)))
+ return 0;
+ if (unlikely(!LTTNG_READ_ONCE(chan->parent.enabled)))
+ return 0;
+ break;
+ }
+ case LTTNG_KERNEL_EVENT_TYPE_NOTIFIER:
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ }