diff --git a/arch/loongarch/include/asm/kvm_host.h b/arch/loongarch/include/asm/kvm_host.h
index 5682b8c847d1..65d91c3ce313 100644
--- a/arch/loongarch/include/asm/kvm_host.h
+++ b/arch/loongarch/include/asm/kvm_host.h
@@ -125,6 +125,7 @@ struct kvm_arch {
 	unsigned int  pte_shifts[MAX_PGTABLE_LEVELS];
 	unsigned int  root_level;
 	spinlock_t    phyid_map_lock;
+	spinlock_t    pv_setting_lock;
 	struct kvm_phyid_map  *phyid_map;
 	/* Enabled PV features */
 	unsigned long pv_features;
diff --git a/arch/loongarch/kvm/vcpu.c b/arch/loongarch/kvm/vcpu.c
index ed9e092c97ba..8e028be3f0a9 100644
--- a/arch/loongarch/kvm/vcpu.c
+++ b/arch/loongarch/kvm/vcpu.c
@@ -1165,10 +1165,14 @@ static int kvm_loongarch_cpucfg_set_attr(struct kvm_vcpu *vcpu,
 			return -EINVAL;
 
 		/* All vCPUs need set the same PV features */
+		spin_lock(&kvm->arch.pv_setting_lock);
 		if ((kvm->arch.pv_features & LOONGARCH_PV_FEAT_UPDATED)
-				&& ((kvm->arch.pv_features & valid) != val))
+				&& ((kvm->arch.pv_features & valid) != val)) {
+			spin_unlock(&kvm->arch.pv_setting_lock);
 			return -EINVAL;
+		}
 		kvm->arch.pv_features = val | LOONGARCH_PV_FEAT_UPDATED;
+		spin_unlock(&kvm->arch.pv_setting_lock);
 		return 0;
 	default:
 		return -ENXIO;
diff --git a/arch/loongarch/kvm/vm.c b/arch/loongarch/kvm/vm.c
index 0a51931d6f6e..6dabb227a732 100644
--- a/arch/loongarch/kvm/vm.c
+++ b/arch/loongarch/kvm/vm.c
@@ -76,6 +76,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
 		return -ENOMEM;
 	}
 	spin_lock_init(&kvm->arch.phyid_map_lock);
+	spin_lock_init(&kvm->arch.pv_setting_lock);
 
 	kvm_init_vmcs(kvm);
 	kvm_vm_init_features(kvm);