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pc-dimm: move actual plug/unplug of a memory region to MemoryDevice

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Registering the memory region for migration has do be done by the owner.
There could be cases, where we don't want to migrate the memory.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-8-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
David Hildenbrand 2018-04-23 18:51:22 +02:00 • committed by Eduardo Habkost
parent 1b6d6af21b
commit 18d11dc910
3 changed files with 23 additions and 3 deletions
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5
hw/mem/pc-dimm.c
View file

@ -36,7 +36,6 @@ void pc_dimm_memory_plug(DeviceState *dev, MachineState *machine,
uint64_t align, Error **errp)
{
int slot;
MemoryHotplugState *hpms = machine->device_memory;
PCDIMMDevice *dimm = PC_DIMM(dev);
PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm);
@ -83,7 +82,7 @@ void pc_dimm_memory_plug(DeviceState *dev, MachineState *machine,
}
trace_mhp_pc_dimm_assigned_slot(slot);
memory_region_add_subregion(&hpms->mr, addr - hpms->base, mr);
memory_device_plug_region(machine, mr, addr);
vmstate_register_ram(vmstate_mr, dev);
out:
@ -97,7 +96,7 @@ void pc_dimm_memory_unplug(DeviceState *dev, MachineState *machine)
MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm);
MemoryRegion *mr = ddc->get_memory_region(dimm, &error_abort);
memory_region_del_subregion(&machine->device_memory->mr, mr);
memory_device_unplug_region(machine, mr);
vmstate_unregister_ram(vmstate_mr, dev);
}