On 14/10/2017 01:56, Eduardo Habkost wrote: > Now, I don't know yet what's the best default for a guest that > has CONFIG_PARAVIRT_SPINLOCK when it sees a host that supports > kvm_pv_unhalt. But I'm arguing that it's the guest > responsibility to choose what to do when it detects such a host, > instead of expecting the host to hide features from the guest. > The guest and the guest administrator have more information to > choose what's best. > > In other words, if exposing kvm_pv_unhalt on CPUID really makes > some guests behave poorly, can we fix the guests instead? Waiman just did it. :) https://marc.info/?l=linux-kernel&m=150972337909996 Paolo -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list