Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "Arm:

   - Invalidate the ITS translation cache when the guest changes the
     base address of the ITS tables (Fuad Tabba)

   - Skip saving ITS devices with device IDs that are out-of-bounds
     rather than failing the entire ITS save ioctl (Fuad Tabba)

   - Close race between VM teardown and invalidations of nested MMUs
     when handling MMU operations that are allowed to block (Lorenzo
     Stoakes)

   - Various fixes for the handling of the host's untrusted SVE
     configuration in pKVM (Fuad Tabba)

   - Make sure that empty SMCCC ranges based at 0 are rejected by the
     kvm_smccc_set_filter() (Karl Mehltretter)

   - Revoke the host mapping for pKVM's private stack pages, along with
     a new sanity check that all mappings in the hyp's private VA range
     have been correctly marked as hyp-owned (Fuad Tabba)

   - Lifetime fixes for the array of shadow stage-2 MMUs, ensuring that
     concurrent vCPU initialization cannot relocate in-use MMUs. Defer
     the freeing of shadow stage-2 MMUs to the point that no other users
     (e.g. MMU notifier) could reference them (Marc Zyngier)

   - Drop useless WARN when rejecting an unsupported ioctl for pKVM
     (Fuad Tabba)

   - Fix the steal_time selftest to install correctly-sized mappings for
     non-4K hosts (Sebastian Ott)

   - Correct mapping of fine-grained trap for GCSPOPX instruction (Mark
     Brown)

   - Fix KVM_BUG_ON() due to missing handling of DBGBXVR<n> from 32-bit
     guests (Karl Mehltretter)

  RISC-V:

   - Synchronize hrtimer during VCPU teardown

   - Fix the conversion between vsip and hvip values

   - Serialize IMSIC attributes with vCPU migration

   - Release unused page after MMU invalidation

   - Propagate interrupted G-stage faults to KVM user-space as EINTR

   - Fix nested acceleration hfence entry update order

   - Fix sdata leak and stale snapshot_addr in snapshot_set_shmem

   - Preserve firmware counter value across PMU counter stop/start

   - Report PMU snapshot write failure to the guest

   - Fix perf-backed counter accounting across PMU stop and read

   - Correctly propagate error of a hart status SBI call

  s390:

   - Ensure that accesses through kvm_arch_set_irq_inatomic mark as
     dirty the pages that contain indicator and summary bits

   - Fix compile warning for kvm_s390_update_cmma_dirty()

   - Fix incorrect propagation of ENOENT from _gaccess_shadow_fault() to
     userspace

   - Move s390_kvm_mmu_commit_memory_region() into
     s390_kvm_mmu_prepare_memory_region() so that it can fail instead of
     WARN

   - Add missing srcu in kvm_s390_set_irq_state()

   - Fix potential races in storage functions

   - Fix race in _destroy_pages_crste()

   - Fix issues in the handling of KVM interrupt and page resources,
     when a queue that is assigned to a mediated device (mdev) is
     removed from the host's AP configuration

   - Fix loop condition in uv_find_secrets

   - Prevent potential out-of-bounds read

  x86:

   - Fix a brown paper bag bug where KVM would incorrectly treat Intel
     PMU MSRs as valid on AMD

   - Fix a regression in the hardware disable selftest where it checked
     the wrong macro when detecting glibc support (breaks at least musl)

   - Never clear KVM_REQ_VM_DEAD so that dead VMs stay dead, which is
     especially important for KVM_BUG_ON() flows, which often guard more
     dangerous bugs

   - Re-pend GET_NESTED_STATE_PAGES if getting the pages fails, to fix a
     bug where KVM would let userspace run a broken setup with stale
     vmcs12 pages

   - Fix a class of bugs where KVM would fail to fill kvm_run exit
     fields if getting nested pages failed

   - Treat reserved entries in the memory attributes xarray as "no
     attributes", to fix false positives when checking for mixed
     attributes

   - Fix memcg accounting for the memory attributes xarray (the xarray
     library subtly requires the xarray to be configured for accounting
     upfront; the gfp flags taken at runtime are used only rarely)

   - Don't pre-reserve xarray entries when storing empty attributes, as
     storing NULL must not require memory allocation (KVM and other
     subsystems heavily rely on this behavior)

   - Fix a memory leak and a cache maintenance issue related to doing
     intra-host migration on an SEV guest"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (54 commits)
  KVM: SEV: Do cache maintenance on the source VM during intra-host migration
  KVM: SEV: Free have_run_cpus during VM destruction even if VM is no longer SEV
  KVM: Don't pre-reserve xarray entries when storing empty/NULL attributes
  KVM: Ensure memory attributes xarray nodes are accounted to the caller's memcg
  KVM: Don't treat reserved xarray entries as having memory attributes
  KVM: x86: Fill kvm_run exit fields in common get_nested_state_pages() error paths
  KVM: x86: Re-pend GET_NESTED_STATE_PAGES if getting said pages fails
  KVM: arm64: Fix AArch32 DBGBXVR<n> handling
  KVM: arm64: Fix FGT mapping for HFGITR_EL2.nGCSEPP
  KVM: selftests: fix steal_time for arm64 with host page size > 4K
  KVM: arm64: Don't WARN on an unknown VM ioctl in protected mode
  KVM: arm64: nv: Delay freeing of shadow S2 structures until VM destruction
  KVM: arm64: nv: Fix life cycle of the nested_mmus array
  KVM: arm64: Check every private mapping is hyp-owned at pKVM init
  KVM: arm64: Move the private VA allocation cursor to __io_map_next
  KVM: arm64: Match hyp text by physical address in fix_host_ownership()
  KVM: arm64: Transfer the hyp stack pages out of the host stage-2
  KVM: arm64: selftests: Test empty SMCCC filter range at base 0
  KVM: arm64: Return -EINVAL for an empty SMCCC filter range at base 0
  KVM: arm64: Derive GUEST_HAS_SVE from the SVE feature bit at EL2
  ...

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