pc: Eliminate pc_common_machine_options()

All TYPE_PC_MACHINE subclasses call pc_common_machine_options().
TYPE_PC_MACHINE can simply initialize the common options on class_init
directly.
Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/i386/pc.c

@@ -1938,6 +1938,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
     pcmc->get_hotplug_handler = mc->get_hotplug_handler;
     mc->get_hotplug_handler = pc_get_hotpug_handler;
     mc->cpu_index_to_socket_id = pc_cpu_index_to_socket_id;
+    mc->default_boot_order = "cad";
     hc->plug = pc_machine_device_plug_cb;
     hc->unplug_request = pc_machine_device_unplug_request_cb;
     hc->unplug = pc_machine_device_unplug_cb;

hw/i386/pc_piix.c

@@ -887,7 +887,6 @@ DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13,
 
 static void isapc_machine_options(MachineClass *m)
 {
-    pc_common_machine_options(m);
     m->desc = "ISA-only PC";
     m->max_cpus = 1;
 }
@@ -899,7 +898,6 @@ DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa,
 #ifdef CONFIG_XEN
 static void xenfv_machine_options(MachineClass *m)
 {
-    pc_common_machine_options(m);
     m->desc = "Xen Fully-virtualized PC";
     m->max_cpus = HVM_MAX_VCPUS;
     m->default_machine_opts = "accel=xen";

include/hw/i386/pc.h

@@ -699,14 +699,8 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
             .value = "off",\
         },
 
-static inline void pc_common_machine_options(MachineClass *m)
-{
-    m->default_boot_order = "cad";
-}
-
 static inline void pc_default_machine_options(MachineClass *m)
 {
-    pc_common_machine_options(m);
     m->hot_add_cpu = pc_hot_add_cpu;
     m->max_cpus = 255;
 }