[PATCH 02/10] riscv: stacktrace: Fix undefined reference to `walk_stackframe'

From: Kefeng Wang
Date: Sun May 10 2020 - 22:17:14 EST


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@xxxxxxxxxx>
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
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