[PATCH AUTOSEL 4.19 17/19] riscv: stacktrace: Fix undefined reference to `walk_stackframe'

From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>,
	Hulk Robot <hulkci@huawei.com>,
	Palmer Dabbelt <palmerdabbelt@google.com>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 4.19 17/19] riscv: stacktrace: Fix undefined reference to `walk_stackframe'
Date: Fri, 22 May 2020 10:51:18 -0400	[thread overview]
Message-ID: <20200522145120.434921-17-sashal@kernel.org> (raw)
In-Reply-To: <20200522145120.434921-1-sashal@kernel.org>

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

