Re: [PATCH v2 12/18] KVM: x86/mmu: clear MMIO cache when unloading the MMU

Sean Christopherson
2022-02-18T23:59:40Z

On Thu, Feb 17, 2022, Paolo Bonzini wrote:
> For cleanliness, do not leave a stale GVA in the cache after all the roots are
> cleared. In practice, kvm_mmu_load will go through kvm_mmu_sync_roots if
> paging is on, and will not use vcpu_match_mmio_gva at all if paging is off.
> However, leaving data in the cache might cause bugs in the future.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---

Reviewed-by: Sean Christopherson <seanjc@google.com>