diff options
| -rw-r--r-- | arch/x86/kvm/mmu/tdp_mmu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c index 9c66be7fb002..bc9e2f50dc80 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.c +++ b/arch/x86/kvm/mmu/tdp_mmu.c @@ -1033,7 +1033,9 @@ static int tdp_mmu_map_handle_target_level(struct kvm_vcpu *vcpu, else if (tdp_mmu_set_spte_atomic(vcpu->kvm, iter, new_spte)) return RET_PF_RETRY; else if (is_shadow_present_pte(iter->old_spte) && - !is_last_spte(iter->old_spte, iter->level)) + (!is_last_spte(iter->old_spte, iter->level) || + WARN_ON_ONCE(is_mmu_writable_spte(iter->old_spte) && + !is_mmu_writable_spte(new_spte)))) kvm_flush_remote_tlbs_gfn(vcpu->kvm, iter->gfn, iter->level); /* |