linux-kernel - [GIT PULL] KVM fixes for v4.12-rc2

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Date:   Fri, 19 May 2017 20:43:41 +0200
From:   Radim Krčmář <rkrcmar@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Paolo Bonzini <pbonzini@...hat.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Subject: [GIT PULL] KVM fixes for v4.12-rc2

Linus,

The following changes since commit 2ea659a9ef488125eb46da6eb571de5eae5c43f6:

  Linux 4.12-rc1 (2017-05-13 13:19:49 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus

for you to fetch changes up to 92ceb7679ab8807d3b7fbcc6daf2279036954ef5:

  KVM: x86: prevent uninitialized variable warning in check_svme() (2017-05-19 19:59:28 +0200)

----------------------------------------------------------------
KVM fixes for v4.12-rc2

ARM:
 - A fix for a build failure introduced in -rc1 when tracepoints are
   enabled on 32-bit ARM.
 - Disabling use of stack pointer protection in the hyp code which can
   cause panics.
 - A handful of VGIC fixes.
 - A fix to the init of the redistributors on GICv3 systems that
   prevented boot with kvmtool on GICv3 systems introduced in -rc1.
 - A number of race conditions fixed in our MMU handling code.
 - A fix for the guest being able to program the debug extensions for
   the host on the 32-bit side.

PPC:
 - Fixes for build failures with PR KVM configurations.
 - A fix for a host crash that can occur on POWER9 with radix guests.

x86:
 - Fixes for nested PML and nested EPT.
 - A fix for crashes caused by reserved bits in SSE MXCSR that could
   have been set by userspace.
 - An optimization of halt polling that fixes high CPU overhead.
 - Fixes for four reports from Dan Carpenter's static checker.
 - A protection around code that shouldn't have been preemptible.
 - A fix for port IO emulation.

----------------------------------------------------------------
Christoffer Dall (2):
      KVM: arm/arm64: Fix bug when registering redist iodevs
      KVM: arm/arm64: Hold slots_lock when unregistering kvm io bus devices

Dan Carpenter (2):
      kvm: nVMX: off by one in vmx_write_pml_buffer()
      KVM: Silence underflow warning in avic_get_physical_id_entry()

Marc Zyngier (6):
      ARM: KVM: Fix tracepoint generation after move to virt/kvm/arm/
      arm64: KVM: Do not use stack-protector to compile EL2 code
      arm: KVM: Do not use stack-protector to compile HYP code
      KVM: arm/arm64: vgic-v2: Do not use Active+Pending state for a HW interrupt
      KVM: arm/arm64: vgic-v3: Do not use Active+Pending state for a HW interrupt
      KVM: arm/arm64: vgic-v3: Use PREbits to infer the number of ICH_APxRn_EL2 registers

Paolo Bonzini (2):
      KVM: nVMX: fix EPT permissions as reported in exit qualification
      KVM: x86: lower default for halt_poll_ns

Paul Mackerras (3):
      KVM: PPC: Book3S HV: Add radix checks in real-mode hypercall handlers
      KVM: PPC: Book3S PR: Check copy_to/from_user return values
      KVM: PPC: Book3S PR: Don't include SPAPR TCE code on non-pseries platforms

Radim Krčmář (5):
      Merge branch 'kvm-ppc-fixes' of git://git.kernel.org/.../paulus/powerpc
      Merge tag 'kvm-arm-for-v4.12-rc2' of git://git.kernel.org/.../kvmarm/kvmarm
      KVM: x86: zero base3 of unusable segments
      KVM: x86/vPMU: fix undefined shift in intel_pmu_refresh()
      KVM: x86: prevent uninitialized variable warning in check_svme()

Suzuki K Poulose (3):
      kvm: arm/arm64: Fix race in resetting stage2 PGD
      kvm: arm/arm64: Force reading uncached stage2 PGD
      kvm: arm/arm64: Fix use after free of stage2 page table

Wanpeng Li (4):
      KVM: x86: Fix load damaged SSEx MXCSR register
      KVM: VMX: Don't enable EPT A/D feature if EPT feature is disabled
      KVM: x86: Fix potential preemption when get the current kvmclock timestamp
      KVM: X86: Fix read out-of-bounds vulnerability in kvm pio emulation

Zhichao Huang (2):
      KVM: arm: plug potential guest hardware debug leakage
      KVM: arm: rename pm_fake handler to trap_raz_wi

 arch/arm/include/asm/kvm_coproc.h    |   3 +-
 arch/arm/kvm/coproc.c                | 106 ++++++++++++++++++++++++-----------
 arch/arm/kvm/handle_exit.c           |   4 +-
 arch/arm/kvm/hyp/Makefile            |   2 +
 arch/arm/kvm/hyp/switch.c            |   4 +-
 arch/arm/kvm/trace.h                 |   8 +--
 arch/arm64/kvm/hyp/Makefile          |   2 +
 arch/powerpc/kvm/Kconfig             |   2 +-
 arch/powerpc/kvm/Makefile            |   4 +-
 arch/powerpc/kvm/book3s_64_vio_hv.c  |  13 +++++
 arch/powerpc/kvm/book3s_hv_builtin.c |   9 ++-
 arch/powerpc/kvm/book3s_pr_papr.c    |  80 ++++++++++++++++++--------
 arch/powerpc/kvm/powerpc.c           |   4 +-
 arch/x86/include/asm/kvm_host.h      |   2 +-
 arch/x86/kernel/fpu/init.c           |   1 +
 arch/x86/kvm/emulate.c               |   2 +-
 arch/x86/kvm/paging_tmpl.h           |  35 +++++++-----
 arch/x86/kvm/pmu_intel.c             |   2 +-
 arch/x86/kvm/svm.c                   |   3 +-
 arch/x86/kvm/vmx.c                   |   4 +-
 arch/x86/kvm/x86.c                   |  45 +++++++++++----
 include/kvm/arm_vgic.h               |   5 +-
 virt/kvm/arm/hyp/vgic-v3-sr.c        |  18 +++---
 virt/kvm/arm/mmu.c                   |  33 +++++++----
 virt/kvm/arm/vgic/vgic-init.c        |   5 +-
 virt/kvm/arm/vgic/vgic-mmio-v3.c     |  12 +++-
 virt/kvm/arm/vgic/vgic-v2.c          |   7 +++
 virt/kvm/arm/vgic/vgic-v3.c          |   7 +++
 28 files changed, 297 insertions(+), 125 deletions(-)