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Date: Mon, 11 May 2020 10:19:53 +0800 From: Kefeng Wang <wangkefeng.wang@...wei.com> To: Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org> CC: Kefeng Wang <wangkefeng.wang@...wei.com>, Hulk Robot <hulkci@...wei.com> Subject: [PATCH 02/10] riscv: stacktrace: Fix undefined reference to `walk_stackframe' Drop static declaration to fix following build error if FRAME_POINTER disabled, riscv64-linux-ld: arch/riscv/kernel/perf_callchain.o: in function `.L0': perf_callchain.c:(.text+0x2b8): undefined reference to `walk_stackframe' Reported-by: Hulk Robot <hulkci@...wei.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com> --- arch/riscv/kernel/stacktrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c index 38141a3c70f7..595342910c3f 100644 --- a/arch/riscv/kernel/stacktrace.c +++ b/arch/riscv/kernel/stacktrace.c @@ -65,7 +65,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs, #else /* !CONFIG_FRAME_POINTER */ -static void notrace walk_stackframe(struct task_struct *task, +void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg) { unsigned long sp, pc; -- 2.26.2
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