[GIT PULL] xen: features and fixes for 4.21

[Juergen Gross]

Linus,

Please git pull the following tag:

 git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-4.21-rc1-tag

xen: features and fixes for 4.21

It contains the following changes:

- a series to enable KVM guests to be booted by qemu via the Xen PVH
  boot entry for speeding up KVM guest tests

- a series for a common driver to be used by Xen PV frontends (right now
  drm and sound)

- two other fixes in Xen related code


Thanks.

Juergen

 MAINTAINERS                                     |   1 +
 arch/x86/Kbuild                                 |   2 +
 arch/x86/Kconfig                                |   6 +
 arch/x86/kernel/head_64.S                       |   2 +-
 arch/x86/platform/pvh/Makefile                  |   5 +
 arch/x86/platform/pvh/enlighten.c               | 137 ++++++
 arch/x86/{xen/xen-pvh.S => platform/pvh/head.S} |   0
 arch/x86/xen/Kconfig                            |   3 +-
 arch/x86/xen/Makefile                           |   2 -
 arch/x86/xen/enlighten_pvh.c                    |  92 +---
 arch/x86/xen/xen-asm_64.S                       |   2 +
 drivers/gpu/drm/xen/Kconfig                     |   1 +
 drivers/gpu/drm/xen/Makefile                    |   1 -
 drivers/gpu/drm/xen/xen_drm_front.c             |  65 ++-
 drivers/gpu/drm/xen/xen_drm_front_gem.c         |   1 -
 drivers/gpu/drm/xen/xen_drm_front_shbuf.c       | 414 ------------------
 drivers/gpu/drm/xen/xen_drm_front_shbuf.h       |  64 ---
 drivers/xen/Kconfig                             |   3 +
 drivers/xen/Makefile                            |   1 +
 drivers/xen/xen-front-pgdir-shbuf.c             | 553 ++++++++++++++++++++++++
 drivers/xen/xen-pciback/pci_stub.c              |   3 +-
 include/xen/interface/hvm/start_info.h          |  63 ++-
 include/xen/xen-front-pgdir-shbuf.h             |  89 ++++
 include/xen/xen.h                               |   3 +
 sound/xen/Kconfig                               |   1 +
 sound/xen/Makefile                              |   1 -
 sound/xen/xen_snd_front.c                       |   7 +-
 sound/xen/xen_snd_front.h                       |   4 +-
 sound/xen/xen_snd_front_alsa.c                  | 102 +++--
 sound/xen/xen_snd_front_shbuf.c                 | 194 ---------
 sound/xen/xen_snd_front_shbuf.h                 |  36 --
 31 files changed, 996 insertions(+), 862 deletions(-)

Andrea Righi (1):
      kprobes/x86/xen: blacklist non-attachable xen interrupt functions

Maran Wilson (7):
      xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH
      xen/pvh: Move PVH entry code out of Xen specific tree
      xen/pvh: Create a new file for Xen specific PVH code
      xen/pvh: Move Xen specific PVH VM initialization out of common file
      xen/pvh: Move Xen code for getting mem map via hcall out of common file
      xen/pvh: Add memory map pointer to hvm_start_info struct
      KVM: x86: Allow Qemu/KVM to use PVH entry point

Oleksandr Andrushchenko (3):
      xen: Introduce shared buffer helpers for page directory...
      drm/xen-front: Use Xen common shared buffer implementation
      ALSA: xen-front: Use Xen common shared buffer implementation

Ross Lagerwall (1):
      xen/pciback: Check dev_data before using it