On 19 January 2016 at 07:10, Shannon Zhao <zhaoshenglong@xxxxxxxxxx> wrote: > Yes, for checking the CAP true/false is enough. Maybe I think the number > of host counters could be useful for QEMU to know the number and for > supporting cross-type vcpu, but I'm not sure. If someone else has no > other suggestion, I will change it to what you suggest. Do we care about the number of host counters? We might want to know how many counters the guest sees, but we can do that by using KVM_GET_ONE_REG to look at the guest PMCR_EL0, right? thanks -- PMM -- 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