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diff --git a/sys/amd64/vmm/vmm.c b/sys/amd64/vmm/vmm.c
--- a/sys/amd64/vmm/vmm.c
+++ b/sys/amd64/vmm/vmm.c
@@ -559,7 +559,8 @@
if (vcpuid < 0 || vcpuid >= vm_get_maxcpus(vm))
return (NULL);
- vcpu = atomic_load_ptr(&vm->vcpu[vcpuid]);
+ vcpu = (struct vcpu *)
+ atomic_load_acq_ptr((uintptr_t *)&vm->vcpu[vcpuid]);
if (__predict_true(vcpu != NULL))
return (vcpu);
diff --git a/sys/arm64/vmm/vmm.c b/sys/arm64/vmm/vmm.c
--- a/sys/arm64/vmm/vmm.c
+++ b/sys/arm64/vmm/vmm.c
@@ -443,7 +443,8 @@
if (vcpuid >= vgic_max_cpu_count(vm->cookie))
return (NULL);
- vcpu = atomic_load_ptr(&vm->vcpu[vcpuid]);
+ vcpu = (struct vcpu *)
+ atomic_load_acq_ptr((uintptr_t *)&vm->vcpu[vcpuid]);
if (__predict_true(vcpu != NULL))
return (vcpu);

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