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riscv: remove unreachable !HAVE_FUNCTION_GRAPH_RET_ADDR_PTR code

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HAVE_FUNCTION_GRAPH_RET_ADDR_PTR is always defined for RISC-V.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Christoph Hellwig 2019-04-15 11:14:39 +02:00 committed by Palmer Dabbelt
parent ba9c014194
commit 877425424d
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1 changed files with 0 additions and 4 deletions
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4
arch/riscv/kernel/stacktrace.c
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@ -64,12 +64,8 @@ static void notrace walk_stackframe(struct task_struct *task,
frame = (struct stackframe *)fp - 1;
sp = fp;
fp = frame->fp;
#ifdef HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
pc = ftrace_graph_ret_addr(current, NULL, frame->ra,
(unsigned long *)(fp - 8));
#else
pc = frame->ra - 0x4;
#endif
}
}