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

From: Sergey Senozhatsky
Date: Fri Apr 24 2020 - 20:46:16 EST


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