On Fri, 22 Apr 2016 11:25:38 +0200 Greg Kurz <gkurz@xxxxxxxxxxxxxxxxxx> wrote: > Hi Radim ! > > On Thu, 21 Apr 2016 19:36:11 +0200 > Radim Krčmář <rkrcmar@xxxxxxxxxx> wrote: > > > 2016-04-21 18:45+0200, Greg Kurz: > > > On Thu, 21 Apr 2016 18:00:19 +0200 > > > Radim Krčmář <rkrcmar@xxxxxxxxxx> wrote: > > >> 2016-04-21 16:20+0200, Greg Kurz: [...] > > > maybe later > > > if we have other scenarios where vcpu ids need to cross the limit ? > > > > x86 is going to have that soon too -- vcpu_id will be able to range from > > 0 to 2^32-1 (or 2^31), but MAX_CPUS related data structures probably > > won't be improved to actually scale, so MAX_CPUS will remain lower. > > That's not true, x86 is going to stick with KVM_MAX_VCPUS/qemu's max_cpus, the only thing that is going to change is that max supported APIC ID value will be in range 0 to 2^32-1 vs current 8bit one and since APIC ID is not vcpu_id so it won't affect vcpu_id. > > Do you have some pointers to share so that we can see the broader picture ? > > Thanks ! > > -- > Greg > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html