ops->flags _should_ be 0 at this point, so setting the flag using
bitwise or is a bit daft.

Requested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
 kernel/trace/trace_event_perf.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -362,7 +362,7 @@ static int perf_ftrace_function_register
 {
 	struct ftrace_ops *ops = &event->ftrace_ops;
 
-	ops->flags   |= FTRACE_OPS_FL_RCU;
+	ops->flags   = FTRACE_OPS_FL_RCU;
 	ops->func    = perf_ftrace_function_call;
 	ops->private = (void *)(unsigned long)nr_cpu_ids;