* [PATCH] arm/ftrace: Remove duplicate function
@ 2020-03-20 6:53 guoren
2020-03-20 14:11 ` Steven Rostedt
0 siblings, 1 reply; 2+ messages in thread
From: guoren @ 2020-03-20 6:53 UTC (permalink / raw)
To: rostedt, mingo, linux; +Cc: linux-arm-kernel, linux-kernel, Guo Ren
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] arm/ftrace: Remove duplicate function
2020-03-20 6:53 [PATCH] arm/ftrace: Remove duplicate function guoren
@ 2020-03-20 14:11 ` Steven Rostedt
0 siblings, 0 replies; 2+ messages in thread
From: Steven Rostedt @ 2020-03-20 14:11 UTC (permalink / raw)
To: guoren; +Cc: mingo, linux, linux-arm-kernel, linux-kernel, Guo Ren
On Fri, 20 Mar 2020 14:53:40 +0800
guoren@kernel.org wrote:
> 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.
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
-- Steve
>
> 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. */
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2020-03-20 14:12 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-03-20 6:53 [PATCH] arm/ftrace: Remove duplicate function guoren
2020-03-20 14:11 ` Steven Rostedt
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).