[GIT PULL] KVM fixes and docs for Linux 5.18 merge window

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Linus,

The following changes since commit c9b8fecddb5bb4b67e351bbaeaa648a6f7456912:

  KVM: use kvcalloc for array allocations (2022-03-21 09:28:41 -0400)

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 c15e0ae42c8e5a61e9aca8aac920517cf7b3e94e:

  KVM: x86: fix sending PV IPI (2022-04-02 05:37:27 -0400)

----------------------------------------------------------------
* Only do MSR filtering for MSRs accessed by rdmsr/wrmsr

* Documentation improvements

* Prevent module exit until all VMs are freed

* PMU Virtualization fixes

* Fix for kvm_irq_delivery_to_apic_fast() NULL-pointer dereferences

* Other miscellaneous bugfixes

----------------------------------------------------------------
David Matlack (2):
      KVM: Prevent module exit until all VMs are freed
      Revert "KVM: set owner of cpu and vm file operations"

David Woodhouse (2):
      KVM: avoid double put_page with gfn-to-pfn cache
      KVM: Remove dirty handling from gfn_to_pfn_cache completely

Hou Wenlong (2):
      KVM: x86/emulator: Emulate RDPID only if it is enabled in guest
      KVM: x86: Only do MSR filtering when access MSR by rdmsr/wrmsr

Jim Mattson (2):
      KVM: x86/pmu: Use different raw event masks for AMD and Intel
      KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs

Lai Jiangshan (4):
      KVM: X86: Change the type of access u32 to u64
      KVM: X86: Fix comments in update_permission_bitmask
      KVM: X86: Rename variable smap to not_smap in permission_fault()
      KVM: X86: Handle implicit supervisor access with SMAP

Li RongQing (1):
      KVM: x86: fix sending PV IPI

Like Xu (1):
      KVM: x86/pmu: Fix and isolate TSX-specific performance event logic

Maxim Levitsky (5):
      KVM: x86: mmu: trace kvm_mmu_set_spte after the new SPTE was set
      KVM: x86: SVM: fix avic spec based definitions again
      KVM: x86: SVM: move tsc ratio definitions to svm.h
      kvm: x86: SVM: remove unused defines
      KVM: x86: SVM: fix tsc scaling when the host doesn't support it

Nathan Chancellor (1):
      KVM: x86: Fix clang -Wimplicit-fallthrough in do_host_cpuid()

Paolo Bonzini (9):
      Documentation: kvm: fixes for locking.rst
      Documentation: kvm: include new locks
      Documentation: KVM: add separate directories for architecture-specific documentation
      Documentation: KVM: add virtual CPU errata documentation
      Documentation: KVM: add API issues section
      KVM: MMU: propagate alloc_workqueue failure
      KVM: x86: document limitations of MSR filtering
      KVM: MIPS: remove reference to trap&emulate virtualization
      KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

Peter Gonda (1):
      KVM: SVM: Fix kvm_cache_regs.h inclusions for is_guest_mode()

Sean Christopherson (6):
      KVM: x86/mmu: Zap only TDP MMU leafs in zap range and mmu_notifier unmap
      KVM: Don't actually set a request when evicting vCPUs for GFN cache invd
      KVM: Use enum to track if cached PFN will be used in guest and/or host
      KVM: x86: Make APICv inhibit reasons an enum and cleanup naming
      KVM: x86: Add wrappers for setting/clearing APICv inhibits
      KVM: x86: Trace all APICv inhibit changes and capture overall status

Vitaly Kuznetsov (3):
      KVM: x86: Check lapic_in_kernel() before attempting to set a SynIC irq
      KVM: x86: Avoid theoretical NULL pointer dereference in kvm_irq_delivery_to_apic_fast()
      KVM: x86: Forbid VMM to set SYNIC/STIMER MSRs when SynIC wasn't activated

Yi Wang (1):
      KVM: SVM: fix panic on out-of-bounds guest IRQ

Zhenzhong Duan (2):
      KVM: x86: cleanup enter_rmode()
      KVM: x86: Remove redundant vm_entry_controls_clearbit() call

 Documentation/virt/kvm/api.rst                     |  61 +++++++-
 Documentation/virt/kvm/index.rst                   |  26 +---
 Documentation/virt/kvm/locking.rst                 |  43 ++++--
 Documentation/virt/kvm/s390/index.rst              |  12 ++
 Documentation/virt/kvm/{ => s390}/s390-diag.rst    |   0
 Documentation/virt/kvm/{ => s390}/s390-pv-boot.rst |   0
 Documentation/virt/kvm/{ => s390}/s390-pv.rst      |   0
 Documentation/virt/kvm/vcpu-requests.rst           |  10 ++
 .../virt/kvm/{ => x86}/amd-memory-encryption.rst   |   0
 Documentation/virt/kvm/{ => x86}/cpuid.rst         |   0
 Documentation/virt/kvm/x86/errata.rst              |  39 +++++
 Documentation/virt/kvm/{ => x86}/halt-polling.rst  |   0
 Documentation/virt/kvm/{ => x86}/hypercalls.rst    |   0
 Documentation/virt/kvm/x86/index.rst               |  19 +++
 Documentation/virt/kvm/{ => x86}/mmu.rst           |   0
 Documentation/virt/kvm/{ => x86}/msr.rst           |   0
 Documentation/virt/kvm/{ => x86}/nested-vmx.rst    |   0
 .../virt/kvm/{ => x86}/running-nested-guests.rst   |   0
 Documentation/virt/kvm/{ => x86}/timekeeping.rst   |   0
 arch/s390/kvm/kvm-s390.c                           |   2 +-
 arch/x86/include/asm/kvm_host.h                    |  46 ++++--
 arch/x86/include/asm/svm.h                         |  14 +-
 arch/x86/kernel/kvm.c                              |   2 +-
 arch/x86/kvm/cpuid.c                               |   1 +
 arch/x86/kvm/emulate.c                             |   8 +-
 arch/x86/kvm/hyperv.c                              |  22 ++-
 arch/x86/kvm/i8254.c                               |   6 +-
 arch/x86/kvm/kvm_emulate.h                         |   3 +
 arch/x86/kvm/lapic.c                               |   4 +
 arch/x86/kvm/mmu.h                                 |  32 ++--
 arch/x86/kvm/mmu/mmu.c                             |  27 ++--
 arch/x86/kvm/mmu/paging_tmpl.h                     |  82 +++++------
 arch/x86/kvm/mmu/tdp_mmu.c                         |  72 ++++-----
 arch/x86/kvm/mmu/tdp_mmu.h                         |  12 +-
 arch/x86/kvm/pmu.c                                 |  18 +--
 arch/x86/kvm/svm/avic.c                            |  14 +-
 arch/x86/kvm/svm/pmu.c                             |   9 +-
 arch/x86/kvm/svm/svm.c                             |  36 ++---
 arch/x86/kvm/svm/svm.h                             |  15 +-
 arch/x86/kvm/svm/svm_onhyperv.c                    |   1 -
 arch/x86/kvm/trace.h                               |  22 +--
 arch/x86/kvm/vmx/pmu_intel.c                       |  14 +-
 arch/x86/kvm/vmx/vmx.c                             |  26 ++--
 arch/x86/kvm/x86.c                                 | 161 +++++++++++++--------
 arch/x86/kvm/xen.c                                 |   7 +-
 include/linux/kvm_host.h                           |  60 +++++---
 include/linux/kvm_types.h                          |  11 +-
 virt/kvm/kvm_main.c                                |  22 ++-
 virt/kvm/pfncache.c                                |  72 ++++-----
 49 files changed, 617 insertions(+), 414 deletions(-)
 create mode 100644 Documentation/virt/kvm/s390/index.rst
 rename Documentation/virt/kvm/{ => s390}/s390-diag.rst (100%)
 rename Documentation/virt/kvm/{ => s390}/s390-pv-boot.rst (100%)
 rename Documentation/virt/kvm/{ => s390}/s390-pv.rst (100%)
 rename Documentation/virt/kvm/{ => x86}/amd-memory-encryption.rst (100%)
 rename Documentation/virt/kvm/{ => x86}/cpuid.rst (100%)
 create mode 100644 Documentation/virt/kvm/x86/errata.rst
 rename Documentation/virt/kvm/{ => x86}/halt-polling.rst (100%)
 rename Documentation/virt/kvm/{ => x86}/hypercalls.rst (100%)
 create mode 100644 Documentation/virt/kvm/x86/index.rst
 rename Documentation/virt/kvm/{ => x86}/mmu.rst (100%)
 rename Documentation/virt/kvm/{ => x86}/msr.rst (100%)
 rename Documentation/virt/kvm/{ => x86}/nested-vmx.rst (100%)
 rename Documentation/virt/kvm/{ => x86}/running-nested-guests.rst (100%)
 rename Documentation/virt/kvm/{ => x86}/timekeeping.rst (100%)




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