kvm-4.12-2

* ARM: bugfixes; moved shared 32-bit/64-bit files to virt/kvm/arm;
support for saving/restoring virtual ITS state to userspace

* PPC: XIVE (eXternal Interrupt Virtualization Engine) support

* x86: nVMX improvements, including emulated page modification logging
(PML) which brings nice performance improvements on some workloads