On Tue, Nov 07, 2017 at 12:21:16PM +0100, Paolo Bonzini wrote: > 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 Thanks for the pointer. I will resubmit the series for 2.12 after 2.11 is released. -- Eduardo -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list