
Nova will set a default value for "cpu_mode" for Qemu/KVM which will be "host-model" however this causes issues with QEMU 2.6.0: https://bugzilla.redhat.com/show_bug.cgi?id=1404627 This patch allows the nova_cpu_model to be set, and is set for the qemu libvirt_type to be "none" by default. Change-Id: I1e1b0149efe3bfa069172fa99cde65566a8fe19e