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>

2 files changed, 3 insertions, 1 deletions

diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 038b3d1e2981..f9f6f52db772 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -206,7 +206,8 @@ static uint32_t (*w2)(uint16_t);
 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 1d7963f4ee79..4be0deea71ca 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -130,6 +130,7 @@ if ($inputfile =~ m,kernel/trace/ftrace\.o$,) {
 # Acceptable sections to record.
 my %text_sections = (
      ".text" => 1,
+     ".ref.text" => 1,
      ".sched.text" => 1,
      ".spinlock.text" => 1,
      ".irqentry.text" => 1,