[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>
diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h
index ba23d8f..96c14a9 100644
--- a/arch/s390/include/asm/ftrace.h
+++ b/arch/s390/include/asm/ftrace.h
@@ -11,11 +11,13 @@
#define MCOUNT_ADDR ((long)_mcount)
#ifdef CONFIG_64BIT
-#define MCOUNT_INSN_SIZE 24
-#define MCOUNT_OFFSET 14
+#define MCOUNT_OFFSET_RET 18
+#define MCOUNT_INSN_SIZE 24
+#define MCOUNT_OFFSET 14
#else
-#define MCOUNT_INSN_SIZE 30
-#define MCOUNT_OFFSET 8
+#define MCOUNT_OFFSET_RET 26
+#define MCOUNT_INSN_SIZE 30
+#define MCOUNT_OFFSET 8
#endif
static inline unsigned long ftrace_call_adjust(unsigned long addr)