1 files changed, 24 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h
new file mode 100644
index 00000000..b7931faa
--- /dev/null
+++ b/arch/s390/include/asm/ftrace.h
@@ -0,0 +1,24 @@
+#ifndef _ASM_S390_FTRACE_H
+#define _ASM_S390_FTRACE_H
+
+#ifndef __ASSEMBLY__
+
+extern void _mcount(void);
+
+struct dyn_arch_ftrace { };
+
+#define MCOUNT_ADDR ((long)_mcount)
+
+#ifdef CONFIG_64BIT
+#define MCOUNT_INSN_SIZE  12
+#else
+#define MCOUNT_INSN_SIZE  20
+#endif
+
+static inline unsigned long ftrace_call_adjust(unsigned long addr)
+{
+	return addr;
+}
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_S390_FTRACE_H */