[PATCH 13/20] KVM: arm64: Handle huge mappings in __pkvm_vcpu_in_poison_fault()

Vincent Donnefort vdonnefort at google.com
Mon Aug 3 03:08:57 PDT 2026


In preparation for supporting stage-2 huge mappings for protected VMs,
allow __pkvm_vcpu_in_poison_fault() to work with PMD_SIZE mappings.

Signed-off-by: Vincent Donnefort <vdonnefort at google.com>

diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
index 47c5c6b4869e..2340706e41d3 100644
--- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c
+++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
@@ -964,7 +964,7 @@ int __pkvm_vcpu_in_poison_fault(struct pkvm_hyp_vcpu *hyp_vcpu)
 	if (ret)
 		goto unlock;
 
-	if (level != KVM_PGTABLE_LAST_LEVEL) {
+	if (level < KVM_PGTABLE_LAST_LEVEL - 1) {
 		ret = -EINVAL;
 		goto unlock;
 	}
-- 
2.55.0.508.g3f0d502094-goog




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