On 01.03.2018 11:05, Peter Maydell wrote: > On 1 March 2018 at 09:50, Igor Mammedov <imamm...@redhat.com> wrote: >> In QEMU on x86 (and I think ppc, s390 as well), we create vCPUs on demand.>> >> It would be nice if ARM would be able to do that too, >> so that it could take advantage of the same code. > > It's not clear to me how that would work, given that for > instance the interrupt controller wants to know up-front > how many CPUs it has to deal with. >
So how is cpu hotplug handled in HW? Or doesn't it even exist there? (we have max_cpus for the interrupt controller, but not sure if that is what we want) > thanks > -- PMM > -- Thanks, David / dhildenb
