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SubjectRe: [PATCH] printk: add Kconfig for default console loglevel
On Tue, 26 Jul 2011 10:01:45 -0700 Joe Perches wrote:

> On Tue, 2011-07-26 at 09:37 -0700, Randy Dunlap wrote:
> > On Tue, 26 Jul 2011 11:33:51 -0400 Dave Reisner wrote:
> > > Keep the historical default of 7, but allow distributions and users to
> > > tune this value instead of requiring a kernel cmdline parameter.
> > Please explain how this is different from what is already in lib/Kconfig.debug:
> > config DEFAULT_MESSAGE_LOGLEVEL
> > int "Default message log level (1-7)"
> > range 1 7
> > default "4"
> > help
> > Default log level for printk statements with no specified priority.
>
> DEFAULT_MESSAGE_LOGLEVEL sets a KERN_<level> for
> printks without a KERN_<level>.
>
> > > +config DEFAULT_CONSOLE_LOGLEVEL
> > > + int "Default console log level (1-7)"
> > > + range 1 7
> > > + default "7"
> > > + help
> > > + Default console log level setting for printk statements.
> > > +
> > > + This was hard-coded to KERN_INFO (7) since at least 2.6.12. You may
> > > + wish to turn this down to 4 for a quieter console.
> > > +
>
> This allows 'unimportant' messages to not be shown by default.

Thanks. Maybe Kconfig help text could be clearer.

> I think there are lots of KERN_INFO messages that are
> miscategorized. This change might cause some shifting
> of KERN_<level>s in the future, so it's OK by me.


---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***


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