2 files changed, 16 insertions, 2 deletions

diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h
index 8cfc553fc837..75e46c557a16 100644
--- a/arch/parisc/include/asm/bug.h
+++ b/arch/parisc/include/asm/bug.h
@@ -32,14 +32,14 @@
                              "\t.popsection"                            \
                              : : "i" (__FILE__), "i" (__LINE__),        \
                              "i" (0), "i" (sizeof(struct bug_entry)) ); \
-                for(;;) ;                                               \
+                unreachable();                                          \
         } while(0)
 
 #else
 #define BUG()                                                           \
         do {                                                            \
                 asm volatile(PARISC_BUG_BREAK_ASM : : );                \
-                for(;;) ;                                               \
+                unreachable();                                          \
         } while(0)
 #endif
 
diff --git a/arch/parisc/include/asm/ftrace.h b/arch/parisc/include/asm/ftrace.h
index 2fa05dd6aeee..72c0fafaa039 100644
--- a/arch/parisc/include/asm/ftrace.h
+++ b/arch/parisc/include/asm/ftrace.h
@@ -20,6 +20,20 @@ struct ftrace_ret_stack {
  * Defined in entry.S
  */
 extern void return_to_handler(void);
+
+
+extern unsigned long return_address(unsigned int);
+
+#define HAVE_ARCH_CALLER_ADDR
+
+#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
+#define CALLER_ADDR1 return_address(1)
+#define CALLER_ADDR2 return_address(2)
+#define CALLER_ADDR3 return_address(3)
+#define CALLER_ADDR4 return_address(4)
+#define CALLER_ADDR5 return_address(5)
+#define CALLER_ADDR6 return_address(6)
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_PARISC_FTRACE_H */