Re: [PATCH] tracing: Get rid of obsolete global_start_up variable

From: Steven Rostedt
Date: Thu Jun 12 2014 - 11:19:49 EST


On Thu, 12 Jun 2014 23:56:12 +0900
Namhyung Kim <namhyung@xxxxxxxxxx> wrote:

> It seems like it's a leftover from commit 4104d326b670 ("ftrace:
> Remove global function list and call function directly"). As it
> isn't updated at all, checking its value is meaningless.
>
> Let's get rid of it.

Thanks, I added this to my 3.17 queue.

-- Steve

>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
> ---
> kernel/trace/ftrace.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
> index cc07b7fc4372..071908f58e7a 100644
> --- a/kernel/trace/ftrace.c
> +++ b/kernel/trace/ftrace.c
> @@ -2053,7 +2053,6 @@ static void ftrace_run_update_code(int command)
>
> static ftrace_func_t saved_ftrace_func;
> static int ftrace_start_up;
> -static int global_start_up;
>
> static void control_ops_free(struct ftrace_ops *ops)
> {
> @@ -2117,8 +2116,7 @@ static int ftrace_shutdown(struct ftrace_ops *ops, int command)
>
> ftrace_hash_rec_disable(ops, 1);
>
> - if (!global_start_up)
> - ops->flags &= ~FTRACE_OPS_FL_ENABLED;
> + ops->flags &= ~FTRACE_OPS_FL_ENABLED;
>
> command |= FTRACE_UPDATE_CALLS;
>

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