ftrace: add ftrace_vprintk
Impact: new helper function
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 9f7880d..7840e71 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -302,6 +302,9 @@
extern int
__ftrace_printk(unsigned long ip, const char *fmt, ...)
__attribute__ ((format (printf, 2, 3)));
+# define ftrace_vprintk(fmt, ap) __ftrace_printk(_THIS_IP_, fmt, ap)
+extern int
+__ftrace_vprintk(unsigned long ip, const char *fmt, va_list ap);
extern void ftrace_dump(void);
#else
static inline void
@@ -317,6 +320,11 @@
{
return 0;
}
+static inline int
+ftrace_vprintk(const char *fmt, va_list ap)
+{
+ return 0;
+}
static inline void ftrace_dump(void) { }
#endif