The patch titled
ftrace: use ftrace_release for all dynamic ftrace functions
has been added to the -mm tree. Its filename is
ftrace-use-ftrace_release-for-all-dynamic-ftrace-functions.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: ftrace: use ftrace_release for all dynamic ftrace functions
From: Steven Rostedt <rostedt@xxxxxxxxxxx>
ftrace_release is necessary for all uses of dynamic ftrace and not just
the archs that have CONFIG_FTRACE_MCOUNT_RECORD defined.
Signed-off-by: Steven Rostedt <srostedt@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/ftrace.h | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff -puN include/linux/ftrace.h~ftrace-use-ftrace_release-for-all-dynamic-ftrace-functions include/linux/ftrace.h
--- a/include/linux/ftrace.h~ftrace-use-ftrace_release-for-all-dynamic-ftrace-functions
+++ a/include/linux/ftrace.h
@@ -77,8 +77,10 @@ extern void mcount_call(void);
extern int skip_trace(unsigned long ip);
-void ftrace_disable_daemon(void);
-void ftrace_enable_daemon(void);
+extern void ftrace_release(void *start, unsigned long size);
+
+extern void ftrace_disable_daemon(void);
+extern void ftrace_enable_daemon(void);
#else
# define skip_trace(ip) ({ 0; })
@@ -86,6 +88,7 @@ void ftrace_enable_daemon(void);
# define ftrace_set_filter(buf, len, reset) do { } while (0)
# define ftrace_disable_daemon() do { } while (0)
# define ftrace_enable_daemon() do { } while (0)
+static inline void ftrace_release(void *start, unsigned long size) { }
#endif /* CONFIG_DYNAMIC_FTRACE */
/* totally disable ftrace - can not re-enable after this */
@@ -199,12 +202,10 @@ static inline void ftrace_dump(void) { }
#ifdef CONFIG_FTRACE_MCOUNT_RECORD
extern void ftrace_init(void);
extern void ftrace_init_module(unsigned long *start, unsigned long *end);
-extern void ftrace_release(void *start, unsigned long size);
#else
static inline void ftrace_init(void) { }
static inline void
ftrace_init_module(unsigned long *start, unsigned long *end) { }
-static inline void ftrace_release(void *start, unsigned long size) { }
#endif
_
Patches currently in -mm which might be from rostedt@xxxxxxxxxxx are
origin.patch
linux-next.patch
kbuild-ftrace-dont-assume-that-scripts-recordmcountpl-is-executable.patch
ftrace-warn-on-failure-to-disable-mcount-callers.patch
ftrace-remove-direct-reference-to-mcount-in-trace-code.patch
ftrace-use-ftrace_release-for-all-dynamic-ftrace-functions.patch
ftrace-fix-unlocking-of-hash.patch
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