Re: [PATCH] acpi, spcr: Make SPCR available to x86

From: Peter Zijlstra
Date: Mon Feb 12 2018 - 10:49:17 EST


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.