[GIT PULL] xen: bug fixes for 4.3-rc4

[David Vrabel <dvrabel@cantab.net>]

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Linus,

Please git pull the following tag:

 git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-4.3b-rc4-tag

xen: bug fixes for 4.3-rc4

- - Fix VM save performance regression with x86 PV guests.
- - Make kexec work in x86 PVHVM guests (if Xen has the soft-reset ABI).
- - Other minor fixes.

Thanks.

David

 arch/x86/include/asm/xen/hypercall.h |  4 ++--
 arch/x86/xen/enlighten.c             | 24 ++++++++++++++++++++++++
 arch/x86/xen/p2m.c                   | 19 ++++++++++++++++++-
 arch/x86/xen/setup.c                 |  4 ++--
 include/xen/interface/sched.h        |  8 ++++++++
 5 files changed, 54 insertions(+), 5 deletions(-)

Boris Ostrovsky (1):
      xen/x86: Don't try to write syscall-related MSRs for PV guests

David Vrabel (1):
      x86/xen/p2m: hint at the last populated P2M entry

Juergen Gross (1):
      xen: use correct type for HYPERVISOR_memory_op()

Malcolm Crossley (1):
      x86/xen: Do not clip xen_e820_map to xen_e820_map_entries when sanitizing map

Vitaly Kuznetsov (1):
      x86/xen: Support kexec/kdump in HVM guests by doing a soft reset
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