Re: [PATCH] tracing: Remove newline from trace_printk warning banner

From: Steven Rostedt
Date: Tue Jan 27 2015 - 12:06:07 EST


On Tue, 27 Jan 2015 17:17:20 +0100
Borislav Petkov <bp@xxxxxxxxx> wrote:

> From: Borislav Petkov <bp@xxxxxxx>
>
> Remove the output-confusing newline below:
>
> [ 0.191328]
> **********************************************************
> [ 0.191493] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
> [ 0.191586] ** **
> ...
>
> Signed-off-by: Borislav Petkov <bp@xxxxxxx>
> ---
> kernel/trace/trace.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
> index 4a9079b9f082..7a04946ffb06 100644
> --- a/kernel/trace/trace.c
> +++ b/kernel/trace/trace.c
> @@ -2036,7 +2036,7 @@ void trace_printk_init_buffers(void)
>
> /* trace_printk() is for debug use only. Don't use it in production. */
>
> - pr_warning("\n**********************************************************\n");
> + pr_warning("**********************************************************\n");

Actually, could you just move the \n to another pr_warning. Because
this can print on console text that makes it look weird too:

login: [ 0.191328] **********************************************************
[ 0.191493] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 0.191586] ** **

-- Steve

> pr_warning("** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **\n");
> pr_warning("** **\n");
> pr_warning("** trace_printk() being used. Allocating extra memory. **\n");

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