1 files changed, 22 insertions, 0 deletions

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 40211cef2796..d1cf5159bec0 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -732,6 +732,8 @@ extern void __trace_graph_return(struct trace_array *tr,
 #define FTRACE_GRAPH_MAX_FUNCS          32
 extern int ftrace_graph_count;
 extern unsigned long ftrace_graph_funcs[FTRACE_GRAPH_MAX_FUNCS];
+extern int ftrace_graph_notrace_count;
+extern unsigned long ftrace_graph_notrace_funcs[FTRACE_GRAPH_MAX_FUNCS];
 
 static inline int ftrace_graph_addr(unsigned long addr)
 {
@@ -757,11 +759,31 @@ static inline int ftrace_graph_addr(unsigned long addr)
 
         return 0;
 }
+
+static inline int ftrace_graph_notrace_addr(unsigned long addr)
+{
+        int i;
+
+        if (!ftrace_graph_notrace_count)
+                return 0;
+
+        for (i = 0; i < ftrace_graph_notrace_count; i++) {
+                if (addr == ftrace_graph_notrace_funcs[i])
+                        return 1;
+        }
+
+        return 0;
+}
 #else
 static inline int ftrace_graph_addr(unsigned long addr)
 {
         return 1;
 }
+
+static inline int ftrace_graph_notrace_addr(unsigned long addr)
+{
+        return 0;
+}
 #endif /* CONFIG_DYNAMIC_FTRACE */
 #else /* CONFIG_FUNCTION_GRAPH_TRACER */
 static inline enum print_line_t