Merge 'hyperv-fixes' from https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git (hyperv-fixes)

Merged-SHA: 12ffd561d2de28825f39e15e8d22346d26b09688

 drivers/hv/hv_common.c      | 12 +++---
 drivers/hv/hyperv_vmbus.h   |  2 +-
 drivers/hv/mshv_eventfd.c   |  2 +-
 drivers/hv/mshv_regions.c   | 93 ++++++++++++++++++++++++++++++---------------
 drivers/hv/mshv_root_main.c | 17 +++++----
 include/hyperv/hvhdk.h      | 47 +++++++++++++++++++++++
 6 files changed, 127 insertions(+), 46 deletions(-)