Re: [PATCH 0/2] KVM: nVMX: Fix VPID + !EPT TLB bugs

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On 11/25/21 02:49, Sean Christopherson wrote:
Fix two bugs reported by Lai where KVM mishandles guest-scoped TLB flushes
when L2 is active.  Bugs confirmed (and confirmed fixed) by the VPID+access
test (patches posted for kvm-unit-tests).

Sean Christopherson (2):
   KVM: nVMX: Flush current VPID (L1 vs. L2) for KVM_REQ_TLB_FLUSH_GUEST
   KVM: nVMX: Emulate guest TLB flush on nested VM-Enter with new vpid12

  arch/x86/kvm/vmx/nested.c | 45 +++++++++++++++++----------------------
  arch/x86/kvm/vmx/vmx.c    | 23 ++++++++++++--------
  arch/x86/kvm/x86.c        | 28 ++++++++++++++++++++----
  arch/x86/kvm/x86.h        |  7 +-----
  4 files changed, 59 insertions(+), 44 deletions(-)


Queued, thanks (but I split the first in two).

Paolo




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