On Fri, 28 Oct 2016, Michal Necasek wrote: > > Sorry if I wasn't clear. No, it doesn't work for us. The ff8560512b8d > commit fixes the APIC poking on machines where there is no local APIC > available (and thus fixes the committer's machine), but it doesn't work > in our case, where there is a local APIC but no I/O APIC, no ACPI MADT, > and no MP tables.
> In other words, for us boot_cpu_has(X86_FEATURE_APIC) is true but the > APIC has not been set up yet because init_apic_mappings() hasn't been > run. Gah. Sorry, misunderstood you. Lemme stare in the code. Thanks, tglx