5 files changed, 20 insertions, 13 deletions

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 4a6fdcc4f5..a4537af400 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1359,7 +1359,7 @@ static void machvirt_init(MachineState *machine)
             break;
         }
 
-        cpuobj = object_new(machine->cpu_type);
+        cpuobj = object_new(possible_cpus->cpus[n].type);
         object_property_set_int(cpuobj, possible_cpus->cpus[n].arch_id,
                                 "mp-affinity", NULL);
 
@@ -1575,6 +1575,7 @@ static const CPUArchIdList *virt_possible_cpu_arch_ids(MachineState *ms)
                                   sizeof(CPUArchId) * max_cpus);
     ms->possible_cpus->len = max_cpus;
     for (n = 0; n < ms->possible_cpus->len; n++) {
+        ms->possible_cpus->cpus[n].type = ms->cpu_type;
         ms->possible_cpus->cpus[n].arch_id =
             virt_cpu_mp_affinity(vms, n);
         ms->possible_cpus->cpus[n].props.has_thread_id = true;
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 0320a8efa1..cdc1163dc6 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -377,18 +377,18 @@ static void machine_init_notify(Notifier *notifier, void *data)
 HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine)
 {
     int i;
-    Object *cpu;
     HotpluggableCPUList *head = NULL;
-    const char *cpu_type;
+    MachineClass *mc = MACHINE_GET_CLASS(machine);
+
+    /* force board to initialize possible_cpus if it hasn't been done yet */
+    mc->possible_cpu_arch_ids(machine);
 
-    cpu = machine->possible_cpus->cpus[0].cpu;
-    assert(cpu); /* Boot cpu is always present */
-    cpu_type = object_get_typename(cpu);
     for (i = 0; i < machine->possible_cpus->len; i++) {
+        Object *cpu;
         HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1);
         HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1);
 
-        cpu_item->type = g_strdup(cpu_type);
+        cpu_item->type = g_strdup(machine->possible_cpus->cpus[i].type);
         cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count;
         cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props,
                                    sizeof(*cpu_item->props));
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 55686bf5d8..ccc50baa85 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1148,7 +1148,8 @@ void pc_cpus_init(PCMachineState *pcms)
     pcms->apic_id_limit = x86_cpu_apic_id_from_index(max_cpus - 1) + 1;
     possible_cpus = mc->possible_cpu_arch_ids(ms);
     for (i = 0; i < smp_cpus; i++) {
-        pc_new_cpu(ms->cpu_type, possible_cpus->cpus[i].arch_id, &error_fatal);
+        pc_new_cpu(possible_cpus->cpus[i].type, possible_cpus->cpus[i].arch_id,
+                   &error_fatal);
     }
 }
 
@@ -2307,6 +2308,7 @@ static const CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *ms)
     for (i = 0; i < ms->possible_cpus->len; i++) {
         X86CPUTopoInfo topo;
 
+        ms->possible_cpus->cpus[i].type = ms->cpu_type;
         ms->possible_cpus->cpus[i].vcpus_count = 1;
         ms->possible_cpus->cpus[i].arch_id = x86_cpu_apic_id_from_index(i);
         x86_topo_ids_from_apicid(ms->possible_cpus->cpus[i].arch_id,
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 278f9de1e7..a781dd22e7 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2226,11 +2226,6 @@ static void spapr_init_cpus(sPAPRMachineState *spapr)
     int boot_cores_nr = smp_cpus / smp_threads;
     int i;
 
-    if (!type) {
-        error_report("Unable to find sPAPR CPU Core definition");
-        exit(1);
-    }
-
     possible_cpus = mc->possible_cpu_arch_ids(machine);
     if (mc->has_hotpluggable_cpus) {
         if (smp_cpus % smp_threads) {
@@ -3545,6 +3540,7 @@ static int64_t spapr_get_default_cpu_node_id(const MachineState *ms, int idx)
 static const CPUArchIdList *spapr_possible_cpu_arch_ids(MachineState *machine)
 {
     int i;
+    const char *core_type;
     int spapr_max_cores = max_cpus / smp_threads;
     MachineClass *mc = MACHINE_GET_CLASS(machine);
 
@@ -3556,12 +3552,19 @@ static const CPUArchIdList *spapr_possible_cpu_arch_ids(MachineState *machine)
         return machine->possible_cpus;
     }
 
+    core_type = spapr_get_cpu_core_type(machine->cpu_type);
+    if (!core_type) {
+        error_report("Unable to find sPAPR CPU Core definition");
+        exit(1);
+    }
+
     machine->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
                              sizeof(CPUArchId) * spapr_max_cores);
     machine->possible_cpus->len = spapr_max_cores;
     for (i = 0; i < machine->possible_cpus->len; i++) {
         int core_id = i * smp_threads;
 
+        machine->possible_cpus->cpus[i].type = core_type;
         machine->possible_cpus->cpus[i].vcpus_count = smp_threads;
         machine->possible_cpus->cpus[i].arch_id = core_id;
         machine->possible_cpus->cpus[i].props.has_core_id = true;
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 35df7e19c5..3807dcb097 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -414,6 +414,7 @@ static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
                                   sizeof(CPUArchId) * max_cpus);
     ms->possible_cpus->len = max_cpus;
     for (i = 0; i < ms->possible_cpus->len; i++) {
+        ms->possible_cpus->cpus[i].type = ms->cpu_type;
         ms->possible_cpus->cpus[i].vcpus_count = 1;
         ms->possible_cpus->cpus[i].arch_id = i;
         ms->possible_cpus->cpus[i].props.has_core_id = true;