1 files changed, 17 insertions, 5 deletions

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 3fcf318a95..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);
     }
 }
 
@@ -1695,9 +1696,14 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev,
         align = memory_region_get_alignment(mr);
     }
 
-    if (!pcms->acpi_dev) {
+    /*
+     * When -no-acpi is used with Q35 machine type, no ACPI is built,
+     * but pcms->acpi_dev is still created. Check !acpi_enabled in
+     * addition to cover this case.
+     */
+    if (!pcms->acpi_dev || !acpi_enabled) {
         error_setg(&local_err,
-                   "memory hotplug is not enabled: missing acpi device");
+                   "memory hotplug is not enabled: missing acpi device or acpi disabled");
         goto out;
     }
 
@@ -1729,9 +1735,14 @@ static void pc_dimm_unplug_request(HotplugHandler *hotplug_dev,
     Error *local_err = NULL;
     PCMachineState *pcms = PC_MACHINE(hotplug_dev);
 
-    if (!pcms->acpi_dev) {
+    /*
+     * When -no-acpi is used with Q35 machine type, no ACPI is built,
+     * but pcms->acpi_dev is still created. Check !acpi_enabled in
+     * addition to cover this case.
+     */
+    if (!pcms->acpi_dev || !acpi_enabled) {
         error_setg(&local_err,
-                   "memory hotplug is not enabled: missing acpi device");
+                   "memory hotplug is not enabled: missing acpi device or acpi disabled");
         goto out;
     }
 
@@ -2297,6 +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,