[S390] ftrace: add function graph tracer support

Function graph tracer support for s390.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 9889f188c7c5..5ec7789bd9d8 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -12,6 +12,7 @@
 #define KMSG_COMPONENT "cio"
 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
+#include <linux/ftrace.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -626,8 +627,7 @@ out:
  *          handlers).
  *
  */
-void
-do_IRQ (struct pt_regs *regs)
+void __irq_entry do_IRQ(struct pt_regs *regs)
 {
         struct tpi_info *tpi_info;
         struct subchannel *sch;