[PATCH for 3.18.y stable 00/22] Backport fixes of KVM/ARM to 3.18.y stable kernel

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From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>

For KVM/ARM there are many fixes which have been applied upstream while
not committed to stable kernels. Here we backport the important fixes
to 3.18.y stable kernel.

We have compile-tested each patch on arm/arm64/x86 to make sure the
series are bisectable and have booted the resulting kernel on Fastmodel
and started 2 VMs for arm/arm64, and have boot-tested on TC2 and Juno,
and started a guest.

These patches are applied on the top of 3.18.12. They can be fetched
from following address:
https://git.linaro.org/people/shannon.zhao/linux-stable.git linux-3.18.y

Thanks,
Shannon

Ard Biesheuvel (2):
  kvm: add a memslot flag for incoherent memory regions
  arm, arm64: KVM: handle potential incoherency of readonly memslots

Christoffer Dall (9):
  arm/arm64: KVM: Don't clear the VCPU_POWER_OFF flag
  arm/arm64: KVM: Correct KVM_ARM_VCPU_INIT power off option
  arm/arm64: KVM: Reset the HCR on each vcpu when resetting the vcpu
  arm/arm64: KVM: Turn off vcpus on PSCI shutdown/reboot
  arm/arm64: KVM: Introduce stage2_unmap_vm
  arm/arm64: KVM: Don't allow creating VCPUs after vgic_initialized
  arm/arm64: KVM: Initialize the vgic on-demand when injecting IRQs
  arm/arm64: KVM: Require in-kernel vgic for the arch timers
  arm/arm64: KVM: Keep elrsr/aisr in sync with software model

Eric Auger (1):
  KVM: arm/arm64: vgic: vgic_init returns -ENODEV when no online vcpu

Jan Kiszka (1):
  ARM: KVM: Fix size check in __coherent_cache_guest_page

Laszlo Ersek (1):
  arm, arm64: KVM: allow forced dcache flush on page faults

Marc Zyngier (6):
  arm64: KVM: Fix TLB invalidation by IPA/VMID
  arm64: KVM: Fix HCR setting for 32bit guests
  arm/arm64: KVM: Invalidate data cache on unmap
  arm/arm64: KVM: Use kernel mapping to perform invalidation on page
    fault
  arm64: KVM: Fix stage-2 PGD allocation to have per-page refcounting
  arm64: KVM: Do not use pgd_index to index stage-2 pgd

Peter Maydell (1):
  arm/arm64: KVM: vgic: move reset initialization into vgic_init_maps()

Shannon Zhao (1):
  arm/arm64: KVM: vgic: kick the specific vcpu instead of iterating
    through all

 Documentation/virtual/kvm/api.txt    |  12 +-
 arch/arm/include/asm/kvm_emulate.h   |   5 +
 arch/arm/include/asm/kvm_mmu.h       |  87 +++++++++---
 arch/arm/kvm/arm.c                   |  35 ++++-
 arch/arm/kvm/guest.c                 |   1 -
 arch/arm/kvm/mmu.c                   | 251 +++++++++++++++++++++++++++++------
 arch/arm/kvm/psci.c                  |  18 +++
 arch/arm64/include/asm/kvm_emulate.h |   7 +
 arch/arm64/include/asm/kvm_host.h    |   1 +
 arch/arm64/include/asm/kvm_mmu.h     |  81 +++++------
 arch/arm64/kvm/guest.c               |   1 -
 arch/arm64/kvm/hyp.S                 |   1 +
 arch/arm64/kvm/reset.c               |   1 -
 include/kvm/arm_arch_timer.h         |  10 +-
 include/kvm/arm_vgic.h               |   5 +-
 include/linux/kvm_host.h             |   1 +
 virt/kvm/arm/arch_timer.c            |  30 +++--
 virt/kvm/arm/vgic-v2.c               |   8 ++
 virt/kvm/arm/vgic-v3.c               |   8 ++
 virt/kvm/arm/vgic.c                  | 122 +++++++++--------
 20 files changed, 504 insertions(+), 181 deletions(-)

-- 
2.1.0

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