Merge tag 'kvm-x86-generic-7.2' of https://github.com/kvm-x86/linux into HEAD

KVM generic changes for 7.2

 - Rename invalidate_begin() to invalidate_start() throughout KVM to follow
   the kernel's nomenclature, e.g. for mmu_notifiers.

 - Minor cleanups.

diff --cc arch/x86/kvm/mmu/mmu.c
Simple merge

diff --cc virt/kvm/kvm_main.c
Simple merge