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Subject[PATCH] arm/ftrace: Remove duplicate function
Date
From: Guo Ren <guoren@linux.alibaba.com>

There is no arch implementation of ftrace_arch_code_modify_prepare in arm,
so just use the __weak one in kernel/trace/ftrace.c.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
---
arch/arm/kernel/ftrace.c | 5 -----
1 file changed, 5 deletions(-)

diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index 10499d44964a..f66ade28eb8a 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -56,11 +56,6 @@ static unsigned long adjust_address(struct dyn_ftrace *rec, unsigned long addr)
return addr;
}

-int ftrace_arch_code_modify_prepare(void)
-{
- return 0;
-}
-
int ftrace_arch_code_modify_post_process(void)
{
/* Make sure any TLB misses during machine stop are cleared. */
--
2.17.0
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