linux-kernel - [GIT PULL] Trimmed second batch of KVM changes for Linux 4.15

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Date:   Fri, 24 Nov 2017 17:00:11 +0100
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] Trimmed second batch of KVM changes for Linux 4.15

Linus,

The following changes since commit cf9b0772f2e410645fece13b749bd56505b998b8:

  Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc (2017-11-16 16:05:01 -0800)

are available in the git repository at:

  git://git.kernel.org/pub/scm/virt/kvm/kvm tags/kvm-4.15-2

for you to fetch changes up to d02fcf50779ec9d8eb7a81473fd76efe3f04b3a5:

  kvm: vmx: Allow disabling virtual NMI support (2017-11-17 13:20:07 +0100)

----------------------------------------------------------------
Trimmed second batch of KVM changes for Linux 4.15

* GICv4 Support for KVM/ARM

All ARM patches were in next-20171113.  I have postponed most x86 fixes
to 4.15-rc2 and UMIP to 4.16, but there are fixes that would be good to
have already in 4.15-rc1:

* re-introduce support for CPUs without virtual NMI (cc stable)
  and allow testing of KVM without virtual NMI on available CPUs

* fix long-standing performance issues with assigned devices on AMD
  (cc stable)

----------------------------------------------------------------
Christoffer Dall (3):
      Merge git://git.kernel.org/.../tip/tip.git irq/core
      KVM: arm/arm64: Fix GICv4 ITS initialization issues
      KVM: arm/arm64: Don't queue VLPIs on INV/INVALL

Eric Auger (2):
      KVM: arm/arm64: register irq bypass consumer on ARM/ARM64
      KVM: arm/arm64: vgic: restructure kvm_vgic_(un)map_phys_irq

Marc Zyngier (23):
      KVM: arm: Select ARM_GIC_V3 and ARM_GIC_V3_ITS
      KVM: arm/arm64: vgic: Move kvm_vgic_destroy call around
      KVM: arm/arm64: vITS: Add MSI translation helpers
      KVM: arm/arm64: vITS: Add a helper to update the affinity of an LPI
      KVM: arm/arm64: GICv4: Add property field and per-VM predicate
      KVM: arm/arm64: GICv4: Add init/teardown of the per-VM vPE irq domain
      KVM: arm/arm64: GICv4: Wire mapping/unmapping of VLPIs in VFIO irq bypass
      KVM: arm/arm64: GICv4: Handle INT command applied to a VLPI
      KVM: arm/arm64: GICv4: Unmap VLPI when freeing an LPI
      KVM: arm/arm64: GICv4: Propagate affinity changes to the physical ITS
      KVM: arm/arm64: GICv4: Handle CLEAR applied to a VLPI
      KVM: arm/arm64: GICv4: Handle MOVALL applied to a vPE
      KVM: arm/arm64: GICv4: Propagate property updates to VLPIs
      KVM: arm/arm64: GICv4: Handle INVALL applied to a vPE
      KVM: arm/arm64: GICv4: Use pending_last as a scheduling hint
      KVM: arm/arm64: GICv4: Add doorbell interrupt handling
      KVM: arm/arm64: GICv4: Use the doorbell interrupt as an unblocking source
      KVM: arm/arm64: GICv4: Hook vPE scheduling into vgic flush/sync
      KVM: arm/arm64: GICv4: Enable virtual cpuif if VLPIs can be delivered
      KVM: arm/arm64: GICv4: Prevent a VM using GICv4 from being saved
      KVM: arm/arm64: GICv4: Prevent userspace from changing doorbell affinity
      KVM: arm/arm64: GICv4: Enable VLPI support
      KVM: arm/arm64: GICv4: Theory of operations

Paolo Bonzini (4):
      Merge tag 'kvm-arm-gicv4-for-v4.15' of git://git.kernel.org/.../kvmarm/kvmarm into HEAD
      KVM: SVM: obey guest PAT
      kvm: vmx: Reinstate support for CPUs without virtual NMI
      kvm: vmx: Allow disabling virtual NMI support

 Documentation/admin-guide/kernel-parameters.txt    |   4 +
 Documentation/virtual/kvm/devices/arm-vgic-its.txt |   2 +
 arch/arm/kvm/Kconfig                               |   5 +
 arch/arm/kvm/Makefile                              |   1 +
 arch/arm64/kvm/Kconfig                             |   3 +
 arch/arm64/kvm/Makefile                            |   1 +
 arch/x86/kvm/svm.c                                 |   7 +
 arch/x86/kvm/vmx.c                                 | 161 ++++++---
 include/kvm/arm_vgic.h                             |  41 ++-
 virt/kvm/arm/arch_timer.c                          |  24 +-
 virt/kvm/arm/arm.c                                 |  48 ++-
 virt/kvm/arm/hyp/vgic-v3-sr.c                      |   9 +-
 virt/kvm/arm/vgic/vgic-init.c                      |   7 +
 virt/kvm/arm/vgic/vgic-its.c                       | 204 ++++++++----
 virt/kvm/arm/vgic/vgic-mmio-v3.c                   |   5 +
 virt/kvm/arm/vgic/vgic-v3.c                        |  14 +
 virt/kvm/arm/vgic/vgic-v4.c                        | 364 +++++++++++++++++++++
 virt/kvm/arm/vgic/vgic.c                           |  67 +++-
 virt/kvm/arm/vgic/vgic.h                           |  10 +
 19 files changed, 819 insertions(+), 158 deletions(-)
 create mode 100644 virt/kvm/arm/vgic/vgic-v4.c