X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-ust-comm.c;h=8e1a0f35ff74c820f0cc195a55ae38bf27850b1a;hb=cec91e30b077aa46175a9964a4cf38f54276e0e4;hp=77cde295b7beae3c0a47a99fcbe486532e3680c3;hpb=f135e0eefb40f8093b404bfe9a51af3005447fd9;p=lttng-ust.git

diff --git a/liblttng-ust/lttng-ust-comm.c b/liblttng-ust/lttng-ust-comm.c
index 77cde295..8e1a0f35 100644
--- a/liblttng-ust/lttng-ust-comm.c
+++ b/liblttng-ust/lttng-ust-comm.c
@@ -265,6 +265,16 @@ void lttng_fixup_nest_count_tls(void)
 	asm volatile ("" : : "m" (URCU_TLS(lttng_ust_nest_count)));
 }
 
+/*
+ * Fixup urcu bp TLS.
+ */
+static
+void lttng_fixup_urcu_bp_tls(void)
+{
+	rcu_read_lock();
+	rcu_read_unlock();
+}
+
 int lttng_get_notify_socket(void *owner)
 {
 	struct sock_info *info = owner;
@@ -1347,6 +1357,7 @@ void __attribute__((constructor)) lttng_ust_init(void)
 	 * to be the dynamic linker mutex) and ust_lock, taken within
 	 * the ust lock.
 	 */
+	lttng_fixup_urcu_bp_tls();
 	lttng_fixup_ringbuffer_tls();
 	lttng_fixup_vtid_tls();
 	lttng_fixup_nest_count_tls();