On 02/12/2018 10:44 AM, Peter Zijlstra wrote:
> On Mon, Feb 12, 2018 at 10:18:06AM -0500, Prarit Bhargava wrote:
>>> But when I specify "earlyprintk=serial,ttyS0,115200" this SPCR crud will
>>> not interfere?
>>>
>>
>> I tested "earlyprintk=serial,ttyS0,115200" on a system which is known to 
>> have a
>> functional console with "console=ttyS0,1152008N1" both with and without
>> CONFIG_ACPI_SPCR_TABLE enabled.
> 
> OK, but my point was that SPCR will never override explicit earlyprintk
> stuff. There is absolutely nothing worse than breaking working setups.
> 

Oh, I see.  SPCR will not override earlyprintk config.

P.

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