Merge tag 'for-linus-urgent' of git://

Pull kvm fixes from Paolo Bonzini:
 "A selftests fix for ARM, and the fix for page reference count
  underflow. This is a very small fix that was provided by Nick Piggin
  and tested by myself"

* tag 'for-linus-urgent' of git://
  KVM: do not allow mapping valid but non-reference-counted pages
  KVM: selftests: Fix mapping length truncation in m{,un}map()