[PATCH 0/6] kvm-s390: collection of kvm-s390 fixes - v3

[ehrhardt@linux.vnet.ibm.com]

From: Christian Ehrhardt <ehrhardt@de.ibm.com>

*updates in v3*
- fix memory slot vs. run uses trylock to avoid a potential livelock
- fix memory slot vs. run checks if it is the first and only memslot registered

*updates in v2*
- hrtimer wakeup use a more accurate calculation
- unlink vcpu uses smb_mb so the pointer is really zero when the page is freed

This is a collection of fixes for kvm-s390 that originate from several tests
made in the last few months. They are now tested a while and should be ready
to be merged.

Patches included:
[PATCH 1/6] kvm-s390: Fix memory slot versus run' - v3
[PATCH 2/6] kvm-s390: use hrtimer for clock wakeup from idle' - v2
[PATCH 3/6] kvm-s390: optimize float int lock: spin_lock_bh --> spin_lock'
[PATCH 4/6] kvm-s390: Unlink vcpu on destroy' - v2
[PATCH 5/6] kvm-s390: Sanity check on validity intercept'
[PATCH 6/6] kvm-s390: Verify memory in kvm run'

Overall-Diffstat:
 arch/s390/include/asm/kvm_host.h |    5 ++-
 arch/s390/kvm/intercept.c        |   28 +++++++++++------
 arch/s390/kvm/interrupt.c        |   53 ++++++++++++++++++++------------
 arch/s390/kvm/kvm-s390.c         |   63 ++++++++++++++++++++++++++++++++-------
 arch/s390/kvm/kvm-s390.h         |    4 +-
 arch/s390/kvm/priv.c             |    4 +-
 arch/s390/kvm/sigp.c             |   16 ++++-----
 7 files changed, 120 insertions(+), 53 deletions(-)