linux-kernel - Re: [PATCH 01/11] dynamic_debug: allow changing of dynamic

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Message-ID: <BANLkTin-t=OTpOMsZDxokbPrYeOH4iQ6vA@mail.gmail.com>
Date:	Wed, 29 Jun 2011 12:41:18 +0200
From:	Bart Van Assche <bvanassche@....org>
To:	Jim Cromie <jim.cromie@...il.com>
Cc:	linux-kernel@...r.kernel.org, gnb@...h.org, jbaron@...hat.com,
	gregkh@...e.de
Subject: Re: [PATCH 01/11] dynamic_debug: allow changing of dynamic_debug
 verbosity any time

On Tue, Jun 28, 2011 at 9:09 AM, Jim Cromie <jim.cromie@...il.com> wrote:
> allow changing dynamic_debug verbosity
> at boot-time, with: dynamic_debug.verbose=1
> or at runtime with:
> root@...age:~# echo 1 > /sys/module/dynamic_debug/parameters/verbose
>
> Signed-off-by: Jim Cromie <jim.cromie@...il.com>
> ---
>  lib/dynamic_debug.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
> index 75ca78f..a3b08d5 100644
> --- a/lib/dynamic_debug.c
> +++ b/lib/dynamic_debug.c
> @@ -58,6 +58,7 @@ struct ddebug_iter {
>  static DEFINE_MUTEX(ddebug_lock);
>  static LIST_HEAD(ddebug_tables);
>  static int verbose = 0;
> +module_param(verbose, int, 0744);

Why 0744 and not 0644 ? Why to set the 'executable' bit ?

Bart.
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