spapr: move memory hotplug support check into spapr_memory_pre_plug()

Let's finish cleaning up the hotplug handler. This check can be
performed in the pre_plug code as the very first thing.

Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
David Hildenbrand 2018-06-08 14:48:13 +02:00 committed by David Gibson
parent 81985f3be9
commit 4e8a01bdb2

View File

@ -3184,12 +3184,18 @@ out:
static void spapr_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
Error **errp)
{
const sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(hotplug_dev);
PCDIMMDevice *dimm = PC_DIMM(dev);
PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
MemoryRegion *mr;
uint64_t size;
char *mem_dev;
if (!smc->dr_lmb_enabled) {
error_setg(errp, "Memory hotplug not supported for this machine");
return;
}
mr = ddc->get_memory_region(dimm, errp);
if (!mr) {
return;
@ -3571,14 +3577,7 @@ out:
static void spapr_machine_device_plug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
MachineState *ms = MACHINE(hotplug_dev);
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(ms);
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
if (!smc->dr_lmb_enabled) {
error_setg(errp, "Memory hotplug not supported for this machine");
return;
}
spapr_memory_plug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) {
spapr_core_plug(hotplug_dev, dev, errp);