6b7a98303b
Hyper-V PV IPI support is merged to KVM, enable the feature in Qemu. When enabled, this allows Windows guests to send IPIs to other vCPUs with a single hypercall even when there are >64 vCPUs in the request. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by: Roman Kagan <rkagan@virtuozzo.com> Message-Id: <20181009130853.6412-3-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>