s390: remove old CALL_ON_STACK() macro

Reviewed-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

diff --git a/arch/s390/include/asm/stacktrace.h b/arch/s390/include/asm/stacktrace.h
index b4d9365..1dc9e81 100644 (file)
--- a/arch/s390/include/asm/stacktrace.h
+++ b/arch/s390/include/asm/stacktrace.h
@@ -74,23 +74,6 @@ struct stack_frame {
        ((unsigned long)__builtin_frame_address(0) -                    \
         offsetof(struct stack_frame, back_chain))
 
-#define CALL_ARGS_0()                                                  \
-       register unsigned long r2 asm("2")
-#define CALL_ARGS_1(arg1)                                              \
-       register unsigned long r2 asm("2") = (unsigned long)(arg1)
-#define CALL_ARGS_2(arg1, arg2)                                                \
-       CALL_ARGS_1(arg1);                                              \
-       register unsigned long r3 asm("3") = (unsigned long)(arg2)
-#define CALL_ARGS_3(arg1, arg2, arg3)                                  \
-       CALL_ARGS_2(arg1, arg2);                                        \
-       register unsigned long r4 asm("4") = (unsigned long)(arg3)
-#define CALL_ARGS_4(arg1, arg2, arg3, arg4)                            \
-       CALL_ARGS_3(arg1, arg2, arg3);                                  \
-       register unsigned long r4 asm("5") = (unsigned long)(arg4)
-#define CALL_ARGS_5(arg1, arg2, arg3, arg4, arg5)                      \
-       CALL_ARGS_4(arg1, arg2, arg3, arg4);                            \
-       register unsigned long r4 asm("6") = (unsigned long)(arg5)
-
 /*
  * To keep this simple mark register 2-6 as being changed (volatile)
  * by the called function, even though register 6 is saved/nonvolatile.
@@ -109,26 +92,6 @@ struct stack_frame {
 #define CALL_CLOBBER_1 CALL_CLOBBER_2, "3"
 #define CALL_CLOBBER_0 CALL_CLOBBER_1
 
-#define CALL_ON_STACK(fn, stack, nr, args...)                          \
-({                                                                     \
-       unsigned long frame = current_frame_address();                  \
-       CALL_ARGS_##nr(args);                                           \
-       unsigned long prev;                                             \
-                                                                       \
-       asm volatile(                                                   \
-               "       la      %[_prev],0(15)\n"                       \
-               "       lg      15,%[_stack]\n"                         \
-               "       stg     %[_frame],%[_bc](15)\n"                 \
-               "       brasl   14,%[_fn]\n"                            \
-               "       la      15,0(%[_prev])\n"                       \
-               : [_prev] "=&a" (prev), CALL_FMT_##nr                   \
-               : [_stack] "R" (stack),                                 \
-                 [_bc] "i" (offsetof(struct stack_frame, back_chain)), \
-                 [_frame] "d" (frame),                                 \
-                 [_fn] "X" (fn) : CALL_CLOBBER_##nr);                  \
-       r2;                                                             \
-})
-
 #define CALL_LARGS_0(...)                                              \
        long dummy = 0
 #define CALL_LARGS_1(t1, a1)                                           \