On 07/04/2015 15:24, Andreas Färber wrote: >> > /* We hard-wire the BSP to the first CPU. */ >> > if (s->cpu_index == 0) { >> > apic_designate_bsp(cpu->apic_state); >> > } > I know, that's what this patch is changing, and I am saying that by the > same logic the CPU has no business fiddling with the APIC's apicbase > field when the APIC's reset is touching that very same field.
That's exactly what a real CPU does on power up or #RESET, though. Paolo