ftrace: enable mcount recording for modules
This patch enables the loading of the __mcount_section of modules and
changing all the callers of mcount into nops.
The modification is done before the init_module function is called, so
again, we do not need to use kstop_machine to make these changes.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index d4d6ab4..4936489 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -164,8 +164,11 @@
#ifdef CONFIG_FTRACE_MCOUNT_RECORD
extern void ftrace_init(void);
+extern void ftrace_init_module(unsigned long *start, unsigned long *end);
#else
static inline void ftrace_init(void) { }
+static inline void
+ftrace_init_module(unsigned long *start, unsigned long *end) { }
#endif
#endif /* _LINUX_FTRACE_H */