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 038b3d1e29814f789ec6728708c4f71858ef7234..f9f6f52db772830c4712d080063773a6187020c5 100644 (file)
--- 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 1d7963f4ee79b853055337f3eed7ca80731dc667..4be0deea71ca6f947b6c1d47c28c431cae88c3c7 100755 (executable)
--- 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,