summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--kernel/trace/trace_functions_graph.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 7008d2e13cf2..39ada66389cc 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -191,10 +191,16 @@ unsigned long ftrace_return_to_handler(unsigned long frame_pointer)
ftrace_pop_return_trace(&trace, &ret, frame_pointer);
trace.rettime = trace_clock_local();
- ftrace_graph_return(&trace);
barrier();
current->curr_ret_stack--;
+ /*
+ * The trace should run after decrementing the ret counter
+ * in case an interrupt were to come in. We don't want to
+ * lose the interrupt if max_depth is set.
+ */
+ ftrace_graph_return(&trace);
+
if (unlikely(!ret)) {
ftrace_graph_stop();
WARN_ON(1);
OpenPOWER on IntegriCloud