[GIT PULL] xen: features and fixes for 4.13-rc2

[Juergen Gross]

Linus,

Please git pull the following tag:

 git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-4.13-rc2-tag

xen: features and fixes for 4.13-rc2

It contains:
- a new Xen backend driver for passing socket calls from a Xen guest to
  Xen dom0
- some Xen related bug fixes and cleanups

Thanks.

Juergen

 arch/x86/xen/smp_pv.c              |    3 +-
 arch/x86/xen/time.c                |    1 -
 drivers/xen/Kconfig                |   12 +
 drivers/xen/Makefile               |    1 +
 drivers/xen/balloon.c              |    3 +
 drivers/xen/grant-table.c          |    9 +-
 drivers/xen/pvcalls-back.c         | 1236 ++++++++++++++++++++++++++++++++++++
 drivers/xen/xen-balloon.c          |   22 +-
 include/xen/balloon.h              |    8 +
 include/xen/interface/io/pvcalls.h |  121 ++++
 include/xen/interface/io/ring.h    |    2 +
 11 files changed, 1405 insertions(+), 13 deletions(-)

Colin Ian King (1):
      xen/pvcalls: fix null pointer reference on sock_release call

Juergen Gross (3):
      xen/grant-table: log the lack of grants
      xen/x86: fix cpu hotplug
      xen/balloon: don't online new memory initially

Stefano Stabellini (18):
      xen: introduce the pvcalls interface header
      xen/pvcalls: introduce the pvcalls xenbus backend
      xen/pvcalls: initialize the module and register the xenbus backend
      xen/pvcalls: xenbus state handling
      xen/pvcalls: connect to a frontend
      xen/pvcalls: handle commands from the frontend
      xen/pvcalls: implement socket command
      xen/pvcalls: implement connect command
      xen/pvcalls: implement bind command
      xen/pvcalls: implement listen command
      xen/pvcalls: implement accept command
      xen/pvcalls: implement poll command
      xen/pvcalls: implement release command
      xen/pvcalls: disconnect and module_exit
      xen/pvcalls: implement the ioworker functions
      xen/pvcalls: implement read
      xen/pvcalls: implement write
      xen: introduce a Kconfig option to enable the pvcalls backend

Vitaly Kuznetsov (1):
      xen/x86: Don't BUG on CPU0 offlining