[GIT PULL] xen: features and fixes for 4.19-rc1

[Juergen Gross <jgross@suse.com>]

Linus,

Please git pull the following tag:

 git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-4.19-rc1-tag

xen: features and fixes for 4.19-rc1

It contains the following:

- a series to add dma-buf functionality to Xen grant table handling
- a fix for booting the kernel as Xen PVH dom0
- a fix for booting the kernel as a Xen PV guest with CONFIG_DEBUG_VIRTUAL
  enabled
- some other minor performance and style fixes


Thanks.

Juergen

 arch/x86/include/asm/xen/hypercall.h |  25 +-
 arch/x86/kernel/cpu/common.c         |   2 +-
 arch/x86/kernel/cpu/cpu.h            |   1 +
 arch/x86/xen/enlighten_pv.c          |   3 +
 arch/x86/xen/multicalls.c            |   6 +-
 arch/x86/xen/spinlock.c              |   4 +
 drivers/xen/Kconfig                  |  24 +
 drivers/xen/Makefile                 |   2 +
 drivers/xen/balloon.c                |  75 +--
 drivers/xen/biomerge.c               |   2 +-
 drivers/xen/gntdev-common.h          |  94 ++++
 drivers/xen/gntdev-dmabuf.c          | 857 +++++++++++++++++++++++++++++++++++
 drivers/xen/gntdev-dmabuf.h          |  33 ++
 drivers/xen/gntdev.c                 | 220 ++++++---
 drivers/xen/grant-table.c            | 151 +++++-
 drivers/xen/mem-reservation.c        | 118 +++++
 drivers/xen/xen-balloon.c            |   2 +-
 include/uapi/xen/gntdev.h            | 106 +++++
 include/xen/grant_table.h            |  21 +
 include/xen/mem-reservation.h        |  59 +++
 20 files changed, 1634 insertions(+), 171 deletions(-)

Colin Ian King (1):
      xen/gntdev: don't dereference a null gntdev_dmabuf on allocation failure

Gustavo A. R. Silva (1):
      xen/biomerge: Use true and false for boolean values

Juergen Gross (2):
      xen: don't use privcmd_call() from xen_mc_flush()

M. Vefa Bicakci (1):
      xen/pv: Call get_cpu_address_sizes to set x86_virt/phys_bits

Oleksandr Andrushchenko (8):
      xen/grant-table: Make set/clear page private code shared
      xen/balloon: Share common memory reservation routines
      xen/grant-table: Allow allocating buffers suitable for DMA
      xen/gntdev: Allow mappings for DMA buffers
      xen/gntdev: Make private routines/structures accessible
      xen/gntdev: Add initial support for dma-buf UAPI
      xen/gntdev: Implement dma-buf export functionality
      xen/gntdev: Implement dma-buf import functionality

Roger Pau Monne (1):
      xen/balloon: fix balloon initialization for PVH Dom0

Waiman Long (1):
      xen/spinlock: Don't use pvqspinlock if only 1 vCPU