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

Pull kvm fixes from Paolo Bonzini:
 "s390:

   - Fix S390_USER_OPEREXEC so it can now be enabled regardless of other
     unrelated capabilities

   - Fix handling of the _PAGE_UNUSED pte bit that could lead to guest
     memory corruption in some scenarios

   - A bunch of misc gmap fixes (locking, behaviour under memory
     pressure)

   - Fix CMMA dirty tracking

  x86:

   - Tidy up some WARN_ON() and BUG_ON(), replacing them with
     WARN_ON_ONCE() or KVM_BUG_ON(). All of these have obviously never
     triggered, or somebody would have been annoyed earlier, but still...

   - Fix missing interrupt due to stale CR8 intercept

   - Add a statistic that can come in handy to debug leaks as well as
     the vulnerability to a class of recently-discovered issues

   - Do not ask arch/x86/kernel to export
     default_cpu_present_to_apicid() just for KVM"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (22 commits)
  x86/apic: KVM: Use cpu_physical_id() to get APIC ID of running vCPU for AVIC
  KVM: x86/mmu: Expose number of shadow MMU shadow pages as a stat
  KVM: x86: Unconditionally recompute CR8 intercept on PPR update
  KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode
  KVM: x86: WARN (once) if RTC pending EOI tracking goes off the rails
  KVM: x86: WARN and fail kvm_set_irq() if a PIC or I/O APIC vector is invalid
  KVM: x86: Bug the VM, not the kernel, if the ISR count {under,over}flows
  KVM: x86/mmu: Bug the VM, not the host kernel, if KVM write-protects upper SPTEs
  KVM: x86: Replace BUG_ON() with WARN_ON_ONCE() on "bad" nested GPA translation
  KVM: Replace guest-triggerable BUG_ON() in ioeventfd datamatch with get_unaligned()
  KVM: s390: Return failure in case of failure in kvm_s390_set_cmma_bits()
  KVM: s390: selftests: Fix cmma selftest
  KVM: s390: Fix cmma dirty tracking
  KVM: s390: Fix locking in kvm_s390_set_mem_control()
  KVM: s390: Fix handle_{sske,pfmf} under memory pressure
  KVM: s390: Fix code typo in gmap_protect_asce_top_level()
  KVM: s390: Do not set special large pages dirty
  KVM: s390: Fix dat_peek_cmma() overflow
  s390/mm: Fix handling of _PAGE_UNUSED pte bit
  KVM: s390: Fix typo in UCONTROL documentation
  ...

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