ftrace: force recording
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index a42390c..2c1670c 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -54,6 +54,8 @@
unsigned long flags;
};
+int ftrace_force_update(void);
+
/* defined in arch */
extern int ftrace_ip_converted(unsigned long ip);
extern unsigned char *ftrace_nop_replace(void);
@@ -66,6 +68,8 @@
extern void ftrace_caller(void);
extern void ftrace_call(void);
extern void mcount_call(void);
+#else
+# define ftrace_force_update() do { } while (0)
#endif
static inline void tracer_disable(void)