Merge remote-tracking branch 'qemu-kvm/uq/master' into staging

Merge remote-tracking branch 'qemu-kvm/uq/master' into staging

* qemu-kvm/uq/master:
  virtio/vhost: Add support for KVM in-kernel MSI injection
  msix: Add msix_nr_vectors_allocated
  kvm: Enable use of kvm_irqchip_in_kernel in hwlib code
  kvm: Introduce kvm_irqchip_add/remove_irqfd
  kvm: Make kvm_irqchip_commit_routes an internal service
  kvm: Publicize kvm_irqchip_release_virq
  kvm: Introduce kvm_irqchip_add_msi_route
  kvm: Rename kvm_irqchip_add_route to kvm_irqchip_add_irq_route
  msix: Introduce vector notifiers
  msix: Invoke msix_handle_mask_update on msix_mask_all
  msix: Factor out msix_get_message
  kvm: update vmxcap for EPT A/D, INVPCID, RDRAND, VMFUNC
  kvm: Enable in-kernel irqchip support by default
  kvm: Add support for direct MSI injections
  kvm: Update kernel headers
  kvm: x86: Wire up MSI support for in-kernel irqchip
  pc: Enable MSI support at APIC level
  kvm: Introduce basic MSI support for in-kernel irqchips
  Introduce MSIMessage structure
  kvm: Refactor KVMState::max_gsi to gsi_count