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s390/stacktrace: remove call_on_stack_noreturn()

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There is no user left of call_on_stack_noreturn() - remove it.

Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2023-03-27 11:37:25 +02:00 committed by Vasily Gorbik
parent 944c78376a
commit 23be82f0de
1 changed files with 0 additions and 13 deletions
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13
arch/s390/include/asm/stacktrace.h
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@ -189,17 +189,4 @@ static __always_inline unsigned long get_stack_pointer(struct task_struct *task,
(rettype)r2; \
})
#define call_on_stack_noreturn(fn, stack) \
({ \
void (*__fn)(void) = fn; \
\
asm volatile( \
" la 15,0(%[_stack])\n" \
" xc %[_bc](8,15),%[_bc](15)\n" \
" brasl 14,%[_fn]\n" \
::[_bc] "i" (offsetof(struct stack_frame, back_chain)), \
[_stack] "a" (stack), [_fn] "X" (__fn)); \
BUG(); \
})
#endif /* _ASM_S390_STACKTRACE_H */