Comment the union field (only used in call_rcu scheme)

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/liblttng-ust/tracepoint.c b/liblttng-ust/tracepoint.c
index a71e3e6e3967ea59bee850fe717fadad08b1669a..f74a43b0ea67076a71c1f03b7b11976a4e3c5849 100644 (file)
--- a/liblttng-ust/tracepoint.c
+++ b/liblttng-ust/tracepoint.c
@@ -87,6 +87,8 @@ struct tracepoint_entry {
 struct tp_probes {
        union {
                struct cds_list_head list;
+               /* Field below only used for call_rcu scheme */
+               /* struct rcu_head head; */
        } u;
        struct tracepoint_probe probes[0];
 };