ftrace: Add .ref.text as one of the safe areas to trace

The section .ref.text will not go away unexpectedly and is
safe to trace. Add it to the safe list of sections to allow
tracing.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 038b3d1..f9f6f52 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -206,7 +206,8 @@
 static int
 is_mcounted_section_name(char const *const txtname)
 {
-	return 0 == strcmp(".text",          txtname) ||
+	return 0 == strcmp(".text",           txtname) ||
+		0 == strcmp(".ref.text",      txtname) ||
 		0 == strcmp(".sched.text",    txtname) ||
 		0 == strcmp(".spinlock.text", txtname) ||
 		0 == strcmp(".irqentry.text", txtname) ||
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 1d7963f..4be0dee 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -130,6 +130,7 @@
 # Acceptable sections to record.
 my %text_sections = (
      ".text" => 1,
+     ".ref.text" => 1,
      ".sched.text" => 1,
      ".spinlock.text" => 1,
      ".irqentry.text" => 1,