X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lttng-events.c;h=47f48b2cce824ddc2fe94ef101a3150dab78675f;hb=54d294795fe19eab6a7a2a7bc25bf8de201f6220;hp=4b891cd5ecda22e8778f5a4592f19c9e2574172f;hpb=b3b8072b02b4f1917a0254577c48301e8f44c210;p=lttng-modules.git

diff --git a/lttng-events.c b/lttng-events.c
index 4b891cd5..47f48b2c 100644
--- a/lttng-events.c
+++ b/lttng-events.c
@@ -31,6 +31,7 @@
 #include "wrapper/vmalloc.h"	/* for wrapper_vmalloc_sync_all() */
 #include "wrapper/random.h"
 #include "wrapper/tracepoint.h"
+#include "lttng-kernel-version.h"
 #include "lttng-events.h"
 #include "lttng-tracer.h"
 #include "lttng-abi-old.h"
@@ -60,9 +61,15 @@ void _lttng_metadata_channel_hangup(struct lttng_metadata_stream *stream);
 void synchronize_trace(void)
 {
 	synchronize_sched();
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
+#ifdef CONFIG_PREEMPT_RT_FULL
+	synchronize_rcu();
+#endif
+#else /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) */
 #ifdef CONFIG_PREEMPT_RT
 	synchronize_rcu();
 #endif
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) */
 }
 
 struct lttng_session *lttng_session_create(void)