tracepoints: use rcu_*_sched_notrace

Make sure tracepoints can be called within ftrace callbacks.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 63064e9..69648c5 100644 (file)
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -40,14 +40,14 @@ struct tracepoint {
        do {                                                            \
                void **it_func;                                         \
                                                                        \
-               rcu_read_lock_sched();                                  \
+               rcu_read_lock_sched_notrace();                          \
                it_func = rcu_dereference((tp)->funcs);                 \
                if (it_func) {                                          \
                        do {                                            \
                                ((void(*)(proto))(*it_func))(args);     \
                        } while (*(++it_func));                         \
                }                                                       \
-               rcu_read_unlock_sched();                                \
+               rcu_read_unlock_sched_notrace();                        \
        } while (0)
 
 /*