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KVM: x86/mmu: Use SHADOW_NONPRESENT_VALUE for atomic zap in TDP MMU

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Use SHADOW_NONPRESENT_VALUE when zapping TDP MMU SPTEs with mmu_lock held
for read, tdp_mmu_zap_spte_atomic() was simply missed during the initial
development.

Fixes: 7f01cab849 ("KVM: x86/mmu: Allow non-zero value for non-present SPTE and removed SPTE")
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
[sean: write changelog]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Kai Huang <kai.huang@intel.com>
Message-ID: <20240518000430.1118488-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Isaku Yamahata
2024-05-17 17:04:22 -07:00
committed by Paolo Bonzini
parent cba23f333f
commit 803482f472
1 changed files with 1 additions and 1 deletions
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arch/x86/kvm/mmu/tdp_mmu.c
+1 -1
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@@ -626,7 +626,7 @@ static inline int tdp_mmu_zap_spte_atomic(struct kvm *kvm,
* SPTEs.
*/
handle_changed_spte(kvm, iter->as_id, iter->gfn, iter->old_spte,
0, iter->level, true);
SHADOW_NONPRESENT_VALUE, iter->level, true);
return 0;
}