trace_lib_load(&e->bin_data, ip);
e->traced = true;
}
+ e->marked = false;
} else {
if (e->traced)
trace_lib_unload(&e->bin_data, ip);
remove_dl_node(e);
free_dl_node(e);
}
- e->marked = false;
}
}
ust_unlock();
* session, statedumps from different processes may be
* interleaved. The vpid context should be used to identify which
* events belong to which process.
+ *
+ * Grab the ust_lock outside of the RCU read-side lock because we
+ * perform synchronize_rcu with the ust_lock held, which can trigger
+ * deadlocks otherwise.
*/
int do_lttng_ust_statedump(void *owner)
{
+ ust_lock_nocheck();
trace_statedump_start(owner);
+ ust_unlock();
+
do_baddr_statedump(owner);
+
+ ust_lock_nocheck();
trace_statedump_end(owner);
+ ust_unlock();
return 0;
}