> Seems that we can't assume boot CPU == 0. I think I've removed the two > places where I assumed that, but will need testing. 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. Another issue is that with CPU hotunplug CPU #0 might disappear at some point later. -Andi
