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Subject[PATCH AUTOSEL 4.19 17/19] riscv: stacktrace: Fix undefined reference to `walk_stackframe'
Date
From: Kefeng Wang <wangkefeng.wang@huawei.com>

[ Upstream commit 0502bee37cdef755d63eee60236562e5605e2480 ]

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@huawei.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 a4b1d94371a0..74b2168d7298 100644
--- a/arch/riscv/kernel/stacktrace.c
+++ b/arch/riscv/kernel/stacktrace.c
@@ -75,7 +75,7 @@ static void notrace walk_stackframe(struct task_struct *task,

#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;
--
2.25.1
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