{
        entry->event = ring_buffer_lock_reserve
                (op_ring_buffer_write, sizeof(struct op_sample) +
-                size * sizeof(entry->sample->data[0]), &entry->irq_flags);
+                size * sizeof(entry->sample->data[0]));
        if (entry->event)
                entry->sample = ring_buffer_event_data(entry->event);
        else
 
 int op_cpu_buffer_write_commit(struct op_entry *entry)
 {
-       return ring_buffer_unlock_commit(op_ring_buffer_write, entry->event,
-                                        entry->irq_flags);
+       return ring_buffer_unlock_commit(op_ring_buffer_write, entry->event);
 }
 
 struct op_sample *op_cpu_buffer_read_entry(struct op_entry *entry, int cpu)