[GIT PULL] KVM changes for Linux 5.12-rc4

[Paolo Bonzini]

Linus,

The following changes since commit 1e28eed17697bcf343c6743f0028cc3b5dd88bf0:

  Linux 5.12-rc3 (2021-03-14 14:41:02 -0700)

are available in the Git repository at:

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

for you to fetch changes up to 9ce3746d64132a561bceab6421715e7c04e85074:

  documentation/kvm: additional explanations on KVM_SET_BOOT_CPU_ID (2021-03-19 05:31:32 -0400)

----------------------------------------------------------------
x86:
* new selftests
* fixes for migration with HyperV re-enlightenment enabled
* fix RCU/SRCU usage
* fixes for local_irq_restore misuse false positive

----------------------------------------------------------------
Ben Gardon (3):
      KVM: x86/mmu: Fix RCU usage in handle_removed_tdp_mmu_page
      KVM: x86/mmu: Fix RCU usage when atomically zapping SPTEs
      KVM: x86/mmu: Factor out tdp_iter_return_to_root

Emanuele Giuseppe Esposito (4):
      selftests: kvm: add get_msr_index_features
      selftests: kvm: add _vm_ioctl
      selftests: kvm: add set_boot_cpu_id test
      documentation/kvm: additional explanations on KVM_SET_BOOT_CPU_ID

Sean Christopherson (2):
      KVM: x86/mmu: Store the address space ID in the TDP iterator
      KVM: x86: Protect userspace MSR filter with SRCU, and set atomically-ish

Vitaly Kuznetsov (5):
      KVM: x86: hyper-v: Limit guest to writing zero to HV_X64_MSR_TSC_EMULATION_STATUS
      KVM: x86: hyper-v: Prevent using not-yet-updated TSC page by secondary CPUs
      KVM: x86: hyper-v: Track Hyper-V TSC page status
      KVM: x86: hyper-v: Don't touch TSC page values when guest opted for re-enlightenment
      selftests: kvm: Add basic Hyper-V clocksources tests

Wanpeng Li (2):
      KVM: X86: Fix missing local pCPU when executing wbinvd on all dirty pCPUs
      x86/kvm: Fix broken irq restoration in kvm_wait

 Documentation/virt/kvm/api.rst                     |   9 +-
 arch/x86/include/asm/kvm_host.h                    |  34 ++-
 arch/x86/kernel/kvm.c                              |  23 +-
 arch/x86/kvm/hyperv.c                              |  91 +++++++-
 arch/x86/kvm/hyperv.h                              |   1 +
 arch/x86/kvm/mmu/mmu_internal.h                    |   5 +
 arch/x86/kvm/mmu/tdp_iter.c                        |  30 ++-
 arch/x86/kvm/mmu/tdp_iter.h                        |   4 +-
 arch/x86/kvm/mmu/tdp_mmu.c                         |  40 ++--
 arch/x86/kvm/x86.c                                 | 113 +++++----
 tools/testing/selftests/kvm/.gitignore             |   3 +
 tools/testing/selftests/kvm/Makefile               |   3 +
 tools/testing/selftests/kvm/include/kvm_util.h     |   2 +
 tools/testing/selftests/kvm/lib/kvm_util.c         |   7 +-
 .../testing/selftests/kvm/lib/kvm_util_internal.h  |   2 -
 .../selftests/kvm/x86_64/get_msr_index_features.c  | 134 +++++++++++
 tools/testing/selftests/kvm/x86_64/hyperv_clock.c  | 260 +++++++++++++++++++++
 .../testing/selftests/kvm/x86_64/set_boot_cpu_id.c | 166 +++++++++++++
 18 files changed, 807 insertions(+), 120 deletions(-)
 create mode 100644 tools/testing/selftests/kvm/x86_64/get_msr_index_features.c
 create mode 100644 tools/testing/selftests/kvm/x86_64/hyperv_clock.c
 create mode 100644 tools/testing/selftests/kvm/x86_64/set_boot_cpu_id.c