RE: [PATCH] x86/acpi/boot: Do not register processors that cannot be onlined for x2apic

From: Luck, Tony
Date: Tue Jan 03 2023 - 16:24:08 EST


>> A dumb question, the Local SAPIC structure also uses the Local APIC
>> flags, and should we add the same check in acpi_parse_sapic()?
>
> I'm not sure if this matters in practice, because SAPIC is only used
> on IA64 anyway.
>
> Tony, what do you think?

I'm not maintaining IA64 anymore. If this change is only about saving
a small amount of memory for "impossible" CPUs, then it probably isn't
worth the churn.

-Tony