Merge branch 'topic/uek-4.1/4.10-xen' of git://ca-git.us.oracle.com/linux-bostrovs...

* 'topic/uek-4.1/4.10-xen' of git://ca-git.us.oracle.com/linux-bostrovs-public: (49 commits)
  xen: events: Replace BUG() with BUG_ON()
  xen: remove stale xs_input_avail() from header
  xen: return xenstore command failures via response instead of rc
  xen: xenbus driver must not accept invalid transaction ids
  xen/evtchn: use rb_entry()
  xen/setup: Don't relocate p2m over existing one
  xen/balloon: Only mark a page as managed when it is released
  xen/scsifront: don't request a slot on the ring until request is ready
  xen/x86: Increase xen_e820_map to E820_X_MAX possible entries
  x86: Make E820_X_MAX unconditionally larger than E820MAX
  xen/pci: Bubble up error and fix description.
  xen: xenbus: set error code on failure
  xen: set error code on failures
  xen/events: use xen_vcpu_id mapping for EVTCHNOP_status
  xen/gntdev: Use VM_MIXEDMAP instead of VM_IO to avoid NUMA balancing
  tpm xen: Remove bogus tpm_chip_unregister
  xen-scsifront: Add a missing call to kfree
  xenfs: Use proc_create_mount_point() to create /proc/xen
  xen-netback: fix error handling output
  xen: make use of xenbus_read_unsigned() in xenbus
  ...

OraBug: 25497392
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>