Messages in this thread | | | Date | Fri, 20 Nov 2020 15:24:37 +0100 | From | Petr Mladek <> | Subject | Re: [PATCH 0/2] printk/console: Use ttynull when no console is available or wanted |
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On Wed 2020-11-11 14:54:48, Petr Mladek wrote: > This is another attempt to solve regression caused by the commit > 48021f98130880dd74 ("printk: handle blank console arguments passed in."). > > It prevented a crash caused by empty console= parameter. But it caused > performance problems on Chromebooks because they use it to disable > all consoles, see > see https://lore.kernel.org/r/20201006025935.GA597@jagdpanzerIV.localdomain > > Solve both problems by using ttynull console driver that was crated > exactly for this purpose. > > The 1st patch should prevent the crash for any invalid console name. > > The 2nd patch allows to used the ttynull driver also with the widely > used console= and console=null parameters. > > Best Regards, > Petr > > Petr Mladek (2): > init/console: Use ttynull as a fallback when there is no console > printk/console: Allow to disable console output by using console="" or > console=null
The patchset has been committed into printk/linux.git, branch for-5.11-null-console.
Best Regards, Petr
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