On (Fri) Jan 21 2011 [22:01:39], Daniel P. Berrange wrote: > > > > CPU UnPlugging is not considered as a needed feature is it? > > http://www.linux-kvm.org/page/CPUHotPlug > > "Hot-unplug does not work, and actually, does not even make that much sense." > > I wouldn't neccessarily agree with the statement on > that page. I think it is perfectly valid to be able > to want to unplug CPUs. If you have a 4 CPU guest on > a 4 CPU host, and need to migrate the guest to a 2 > CPU host, then it could well be a better idea to > unplug 2 of the guest CPUs than leave it overcommitted. > Thus I expect someone will make hot-unplug work eventually One can always offline the CPUs from within the guest. In any case, CPU hot-unplug requires cooperation from the guest so offlining isn't any different. Amit -- http://log.amitshah.net/ _______________________________________________ cloud mailing list cloud@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/cloud