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Subject[tip:perf/core] ftrace: Add .kprobe.text section to whitelist for recordmcount.c
Commit-ID:  bde66c3f45d777082a0df01e64870f47ba2a5055
Gitweb: http://git.kernel.org/tip/bde66c3f45d777082a0df01e64870f47ba2a5055
Author: Steven Rostedt <srostedt@redhat.com>
AuthorDate: Wed, 6 Apr 2011 14:10:22 -0400
Committer: Steven Rostedt <rostedt@goodmis.org>
CommitDate: Tue, 17 May 2011 10:41:36 -0400

ftrace: Add .kprobe.text section to whitelist for recordmcount.c

The .kprobe.text section is safe to modify mcount to nop and tracing.
Add it to the whitelist in recordmcount.c and recordmcount.pl.

Cc: John Reiser <jreiser@bitwagon.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Link: http://lkml.kernel.org/r/20110421023737.743350547@goodmis.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
scripts/recordmcount.c | 1 +
scripts/recordmcount.pl | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 4ebd839..37c5965 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -211,6 +211,7 @@ is_mcounted_section_name(char const *const txtname)
strcmp(".sched.text", txtname) == 0 ||
strcmp(".spinlock.text", txtname) == 0 ||
strcmp(".irqentry.text", txtname) == 0 ||
+ strcmp(".kprobes.text", txtname) == 0 ||
strcmp(".text.unlikely", txtname) == 0;
}

diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 4be0dee..a871cd4 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -134,6 +134,7 @@ my %text_sections = (
".sched.text" => 1,
".spinlock.text" => 1,
".irqentry.text" => 1,
+ ".kprobes.text" => 1,
".text.unlikely" => 1,
);


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