Re: [PATCH v2 5/5] hw/intc/apic: Pass CPU using QOM link property

[Paolo Bonzini]

On 10/3/23 10:27, Philippe Mathieu-Daudé wrote:
-    /* TODO: convert to link<> */
-    apic = APIC_COMMON(cpu->apic_state);
-    apic->cpu = cpu;
-    apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE;
+    qdev_prop_set_uint32(cpu->apic_state, "base-addr",
+                         APIC_DEFAULT_ADDRESS | MSR_IA32_APIC

For this to use a link, it's missing the corresponding 
object_unref(apic->cpu) + apic->cpu = NULL assignment somewhere.  For 
example you can add it in apic_common_unrealize (called by 
device_unparent - which is called in turn by x86_cpu_unrealizefn).

Paolo