On Wed, 2025-02-12 at 07:41 -0500, David Arcari wrote: > - #ifdef the code that doesn't compile > - default no_acpi=true in the !CONFIG_ACPI_PROCESSOR_CSTATE case > > I sort of like the second option better, but I worry about the > documentation. Specifically: > > "In the case that ACPI is not configured these flags have no impact > +on functionality." > > I guess that is still true. > > Perhaps there is a better option. What do you think? I've not been involved into kernel that much for long time. In old days sprinkling #ifdefs around was an anti-pattern. Most probably nowadays too. So the second option sounds better to me. Artem.