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From:   Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Date:   Sat, 25 Apr 2020 09:46:09 +0900
To:     Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc:     Petr Mladek <pmladek@suse.com>,
        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        linux-kernel@vger.kernel.org, Dmitry Safonov <dima@arista.com>,
        Michal Hocko <mhocko@suse.com>,
        Yafang Shao <laoar.shao@gmail.com>
Subject: Re: [PATCH] printk: Add loglevel for "do not print to consoles".
Message-ID: <20200425004609.GE8982@jagdpanzerIV.localdomain>
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On (20/04/24 11:42), Tetsuo Handa wrote:
[..]
> @@ -19,6 +19,7 @@ static inline int printk_get_level(const char *buffer)
>  		switch (buffer[1]) {
>  		case '0' ... '7':
>  		case 'c':	/* KERN_CONT */
> +		case 'S':       /* KERN_NO_CONSOLES */
>  			return buffer[1];
>  		}
>  	}

So this means NO_CONSOLES_AT_ALL, slow + fast ones. I wonder if this
wants to be NO_SLOW_CONSOLES instead. Which then brings us to the
next question - can this be done with per-console loglevel setting?

	-ss