Merge tag 'kvm-s390-next-20141128' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

KVM: s390: Several fixes,cleanups and reworks

Here is a bunch of fixes that deal mostly with architectural compliance:
- interrupt priorities
- interrupt handling
- intruction exit handling

We also provide a helper function for getting the guest visible storage key.