linux-kernel - Re: [PATCH] printk: Add loglevel for "do not print to consoles".

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Message-ID: <20200513095503.7488b0d6@gandalf.local.home>
Date:   Wed, 13 May 2020 09:55:03 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:     Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Michal Hocko <mhocko@...nel.org>, linux-kernel@...r.kernel.org,
        Dmitry Safonov <dima@...sta.com>,
        Yafang Shao <laoar.shao@...il.com>
Subject: Re: [PATCH] printk: Add loglevel for "do not print to consoles".

On Wed, 13 May 2020 20:03:53 +0900
Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp> wrote:

> I think that basically only oops (e.g. WARN()/BUG()/panic()) messages worth
> printing to consoles and the rest messages do not worth printing to consoles.
> Existing KERN_$LOGLEVEL is too rough-grained.

Why don't you look into having a "noconsole" command line option that will
not print anything to the consoles but oops messages.

Sounds more like what you would like, and something that perhaps would be
acceptable by the larger community.

-- Steve