[GIT PULL] xen on arm bug fix for 3.17-rc4

[Stefano Stabellini]

Linus,
please pull the following tag:

git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git stable/for-linus-3.17-b-rc4-arm-tag

The patches fix the "xen_add_mach_to_phys_entry: cannot add" bug that
has been affecting xen on arm and arm64 guests since 3.16. They require
a few hypervisor side changes that just went in xen-unstable.

A couple of days ago David sent out a pull request with a few other Xen
fixes (it is already in master). Sorry we didn't synchronized better
among us.


Stefano Stabellini (3):
      xen/arm: introduce XENFEAT_grant_map_identity
      xen/arm: reimplement xen_dma_unmap_page & friends
      xen/arm: remove mach_to_phys rbtree

 arch/arm/include/asm/xen/page-coherent.h |   25 ++--
 arch/arm/include/asm/xen/page.h          |    9 --
 arch/arm/xen/Makefile                    |    2 +-
 arch/arm/xen/enlighten.c                 |    6 +
 arch/arm/xen/mm32.c                      |  202 ++++++++++++++++++++++++++++++
 arch/arm/xen/p2m.c                       |   66 +---------
 include/xen/interface/features.h         |    3 +
 7 files changed, 220 insertions(+), 93 deletions(-)
 create mode 100644 arch/arm/xen/mm32.c
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