On Wed, 2006-09-20 at 09:00 +0200, Andi Kleen wrote: > boot CPU == 0 should be true. You just can't assume anything about its > APIC ID, but we decouple APIC ID and logical processor id anyways. No, it is not. Voyager has fixed and immutable CPU IDs dependent on CPU position in the system. If CPU 0 is missing or logically deconfigured, the boot CPU is definitely non zero. James
