On Mon, Jun 6, 2022 at 5:44 AM Paul Menzel <pmenzel@xxxxxxxxxxxxx> wrote: > Am 04.06.22 um 11:04 schrieb Greg KH: ... > I am still confused, that `earlyprintk=ttyS0,115200,keep` works though > despite `CONFIG_SERIAL_8250=m`. Doesn’t that mean, that Linux > nevertheless contains some code to initialize the serial console, and > send data to it? If you keep x86 in mind, then yes, three different console code handling (decompressing stage, boot stage, driver stage) + earlyprintk (on top of the same code for decompressing / booting stages) + earlycon (this is actually a driver:ish stage). -- With Best Regards, Andy Shevchenko
