Re: [PATCH 1/2] MIPS: Allow MIPS32R2 kernel to run on P5600 and M5150

From: Maciej W. Rozycki
Date: Tue May 30 2023 - 08:16:43 EST

On Tue, 30 May 2023, Jiaxun Yang wrote:

> > Sure, but this change is not needed for it. You just need to declare
> > which ISA revisions your platform supports and leave `__get_cpu_type'
> > alone. It has worked like that for a decade now.
> I’m afraid it won’t work as you expected.
> Actually I ran into a problem that `case CPU_P5600` in c-r4k.c is optimised out
> by compiler, because the codepath is marked as unreachable.

Maybe there's a bug elsewhere then. Send me your .config and I'll try to
reproduce it.