Re: [PATCH 2/3] early_printk: Add force_early_printk kernel parameter

From: Randy Dunlap
Date: Thu Sep 28 2017 - 13:05:27 EST


On 09/28/17 09:07, Peter Zijlstra wrote:
> On Thu, Sep 28, 2017 at 08:41:37AM -0700, Randy Dunlap wrote:
>
>> Please add that kernel parameter to Documentation/admin-guide/kernel-parameters.txt.
>
> Something like so?

Yes, thanks. Ack.

> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -1165,6 +1165,11 @@
> parameter will force ia64_sal_cache_flush to call
> ia64_pal_cache_flush instead of SAL_CACHE_FLUSH.
>
> + force_early_printk
> + Forcefully uses early_console (as per earlyprintk=)
> + usage for regular printk, bypassing everything,
> + including the syslog (dmesg will be empty).
> +
> forcepae [X86-32]
> Forcefully enable Physical Address Extension (PAE).
> Many Pentium M systems disable PAE but may have a
>


--
~Randy