Re: [PATCH] Documentation/serial-console: Document the behavior when the last console= parameter is not used

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On Wed, Mar 08, 2023 at 12:24:33PM +0100, Petr Mladek wrote:
> The console= kernel command-line parameter defines where the kernel
> messages appear. It can be used multiple times to make the kernel log
> visible on more devices.
> 
> The ordering of the console= parameters is important. In particular,
> the last one defines which device can be accessed also via /dev/console.
> 
> The behavior is more complicated when the last console= parameter is
> ignored by kernel. It might be surprising because it was not intentional.
> The kernel just works this way historically.
> 
> There were few attempts to change the behavior. Unfortunately, it can't
> be done because it would break existing users. Document the historical
> behavior at least.

Thanks for documenting this, now queued up!

greg k-h



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