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
--- a/arch/s390/include/asm/stacktrace.h
+++ b/arch/s390/include/asm/stacktrace.h
@@ -74,23 +74,6 @@
((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 @@
#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) \
