2 files changed, 9 insertions, 0 deletions

diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h
index 007c8a4941b2..5de3efb31445 100644
--- a/include/asm-s390/lowcore.h
+++ b/include/asm-s390/lowcore.h
@@ -56,6 +56,8 @@
 #define __LC_IO_INT_WORD                0x0C0
 #define __LC_MCCK_CODE                  0x0E8
 
+#define __LC_LAST_BREAK                 0x110
+
 #define __LC_RETURN_PSW                 0x200
 
 #define __LC_SAVE_AREA                  0xC00
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 51d88912aa20..8eaf343a12a8 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -175,6 +175,13 @@ extern void task_show_regs(struct seq_file *m, struct task_struct *task);
 extern void show_registers(struct pt_regs *regs);
 extern void show_code(struct pt_regs *regs);
 extern void show_trace(struct task_struct *task, unsigned long *sp);
+#ifdef CONFIG_64BIT
+extern void show_last_breaking_event(struct pt_regs *regs);
+#else
+static inline void show_last_breaking_event(struct pt_regs *regs)
+{
+}
+#endif
 
 unsigned long get_wchan(struct task_struct *p);
 #define task_pt_regs(tsk) ((struct pt_regs *) \