tracing: Split tracing initialization into two for early initialization
Create an early_trace_init() function that will initialize the buffers and
allow for ealier use of trace_printk(). This will also allow for future work
to have function tracing start earlier at boot up.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 3633e8b..569db55 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -42,8 +42,10 @@
/* Main tracing buffer and events set up */
#ifdef CONFIG_TRACING
void trace_init(void);
+void early_trace_init(void);
#else
static inline void trace_init(void) { }
+static inline void early_trace_init(void) { }
#endif
struct module;