> It works in 2.4, but I've never seen it work in 2.5 -- but I've not compiled
> every 2.5.X. Neither the local APIC or IO APIC work in non-SMP configurations
I've been using it since inception with local APIC, UP-IOAPIC broke a
couple of times only.
> due to dependencies on things in mpparse.c (read: SMP functions.) The local
> APIC makes perfect sense albeit rare. Single processor IO APICs are very
> rare and are usually MP systems with only one processor.
... Or UP machines with chipsets with IOAPICs (Microsoft recommends
hardware manufaturers to use one).
> APIC support in 2.5 is very closely tied to SMP. (and technically, ACPI.)
Not the case for local APIC, i'll try building .38 with UP IOAPIC.
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