[PATCH 0/5] Backport of patch series for stable 4.9 branch

[SeongJae Park]

From: SeongJae Park <sjpark@xxxxxxxxx>

SeongJae Park (5):
  xen/xenbus: Allow watches discard events before queueing
  xen/xenbus: Add 'will_handle' callback support in xenbus_watch_path()
  xen/xenbus/xen_bus_type: Support will_handle watch callback
  xen/xenbus: Count pending messages for each watch
  xenbus/xenbus_backend: Disallow pending watch messages

 drivers/block/xen-blkback/xenbus.c        |  3 +-
 drivers/net/xen-netback/xenbus.c          |  4 ++-
 drivers/xen/xen-pciback/xenbus.c          |  2 +-
 drivers/xen/xenbus/xenbus_client.c        |  8 ++++-
 drivers/xen/xenbus/xenbus_probe.c         |  1 +
 drivers/xen/xenbus/xenbus_probe.h         |  2 ++
 drivers/xen/xenbus/xenbus_probe_backend.c |  7 +++++
 drivers/xen/xenbus/xenbus_xs.c            | 38 +++++++++++++++--------
 include/xen/xenbus.h                      | 15 ++++++++-
 9 files changed, 62 insertions(+), 18 deletions(-)

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2.17.1