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.