Hi Paolo,

This pull request contains a number of fixes for 4.4-rc4 (or -rc5 if
we already missed the boat).

The first part is a very nice catch from Pavel, who noticed that we
were not dealing very well (if at all) with the aliasing between two

The last patch from Ard is a fix for a fix that was merged in
-rc3. Hopefully we got it right this time.

Please pull!


The following changes since commit fbb4574ce9a37e15a9872860bf202f2be5bdf6c4:

  arm64: kvm: report original PAR_EL1 upon panic (2015-11-24 18:20:58 +0100)

are available in the git repository at:


for you to fetch changes up to 0de58f852875a0f0dcfb120bb8433e4e73c7803b:

  ARM/arm64: KVM: correct PTE uncachedness check (2015-12-04 16:30:17 +0000)

KVM/ARM fixes for v4.4-rc4

- A series of fixes to deal with the aliasing between the sp and xzr register
- A fix for the cache flush fix that went in -rc3

Ard Biesheuvel (1):
      ARM/arm64: KVM: correct PTE uncachedness check

Pavel Fedin (4):
      arm64: KVM: Correctly handle zero register during MMIO
      arm64: KVM: Remove const from struct sys_reg_params
      arm64: KVM: Correctly handle zero register in system register accesses
      arm64: KVM: Get rid of old vcpu_reg()

 arch/arm/include/asm/kvm_emulate.h   |  12 ++++
 arch/arm/kvm/mmio.c                  |   5 +-
 arch/arm/kvm/mmu.c                   |   4 +-
 arch/arm/kvm/psci.c                  |  20 +++---
 arch/arm64/include/asm/kvm_emulate.h |  18 +++--
 arch/arm64/kvm/handle_exit.c         |   2 +-
 arch/arm64/kvm/sys_regs.c            | 123 +++++++++++++++++------------------
 arch/arm64/kvm/sys_regs.h            |   8 +--
 arch/arm64/kvm/sys_regs_generic_v8.c |   4 +-
 9 files changed, 107 insertions(+), 89 deletions(-)
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