On Mon, 24 Feb 2014 20:00:01 +0100
Jiri Slaby <[email protected]> wrote:

> With CONFIG_DYNAMIC_FTRACE=n, I see a warning:
> kernel/trace/ftrace.c:240:13: warning: 'control_ops_free' defined but not used
>  static void control_ops_free(struct ftrace_ops *ops)
>              ^
> Add an ifdef block with CONFIG_DYNAMIC_FTRACE around that function as
> it is used solely from the dynamic function tracing functions.
> 
> Signed-off-by: Jiri Slaby <[email protected]>
> Cc: Steven Rostedt <[email protected]>
> Cc: Frederic Weisbecker <[email protected]>
> Cc: Ingo Molnar <[email protected]>
> ---
>  kernel/trace/ftrace.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
> index 5bd70e8b09b0..34b1de9390af 100644
> --- a/kernel/trace/ftrace.c
> +++ b/kernel/trace/ftrace.c
> @@ -237,10 +237,12 @@ static int control_ops_alloc(struct ftrace_ops *ops)
>       return 0;
>  }
>  
> +#ifdef CONFIG_DYNAMIC_FTRACE
>  static void control_ops_free(struct ftrace_ops *ops)
>  {
>       free_percpu(ops->disabled);
>  }
> +#endif

I've pulled in all your patches up to this one.

But instead of adding another #ifdef CONFIG_DYNAMIC_FTRACE, please just
move the function into the block that it's used in.

Just resend this patch. The others are already in my 3.15 queue.

Thanks,

-- Steve

>  
>  static void update_global_ops(void)
>  {

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