pc: acpi: memhp: move MHPD.MLCK mutex into SSDT

Signed-off-by: NIgor Mammedov <imammedo@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/acpi/memory_hotplug_acpi_table.c

@@ -38,6 +38,8 @@ void build_memory_hotplug_aml(Aml *ctx, uint32_t nr_mem,
         /* present, functioning, decoding, not shown in UI */
         aml_append(method, aml_return(aml_int(0xB)));
         aml_append(mem_ctrl_dev, method);
+
+        aml_append(mem_ctrl_dev, aml_mutex(stringify(MEMORY_SLOT_LOCK), 0));
     }
     aml_append(pci_scope, mem_ctrl_dev);
     aml_append(ctx, pci_scope);

hw/i386/acpi-dsdt-mem-hotplug.dsl

@@ -34,8 +34,7 @@
             External(MEMORY_SLOT_SLECTOR, FieldUnitObj) // DIMM selector, write only
             External(MEMORY_SLOT_OST_EVENT, FieldUnitObj) // _OST event code, write only
             External(MEMORY_SLOT_OST_STATUS, FieldUnitObj) // _OST status code, write only
-
-            Mutex (MEMORY_SLOT_LOCK, 0)
+            External(MEMORY_SLOT_LOCK, MutexObj)
 
             Method(MEMORY_SLOT_SCAN_METHOD, 0) {
                 If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) {