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[PATCH v2] pvcalls-front improvements

Hi all,

this small series introduces a per socket refcount to increase the
efficiency on socket release operations, and makes releasing passive
sockets safe.



Changes in v2:
- add acked-by
- fix check in pvcalls_enter_soc
- fix code style
- nicer checks in pvcalls_front_release

Stefano Stabellini (2):
      pvcalls-front: introduce a per sock_mapping refcount
      pvcalls-front: wait for other operations to return when release passive sockets

 drivers/xen/pvcalls-front.c | 199 +++++++++++++++++++-------------------------
 1 file changed, 87 insertions(+), 112 deletions(-)