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[Qemu-devel] [RESEND PATCH v4 08/10] pc-dimm: Add pc_dimm_unrealize() fo
From: |
Tang Chen |
Subject: |
[Qemu-devel] [RESEND PATCH v4 08/10] pc-dimm: Add pc_dimm_unrealize() for memory hot unplug support. |
Date: |
Wed, 22 Oct 2014 18:00:10 +0800 |
From: Hu Tao <address@hidden>
Implement unrealize function for pc-dimm device. It remove subregion from
hotplug region, and delete ram address range from guest ram list.
Signed-off-by: Hu Tao <address@hidden>
Signed-off-by: Tang Chen <address@hidden>
---
hw/mem/pc-dimm.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index ee802bb..b105871 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -270,12 +270,22 @@ static MemoryRegion
*pc_dimm_get_memory_region(PCDIMMDevice *dimm)
return host_memory_backend_get_memory(dimm->hostmem, &error_abort);
}
+static void pc_dimm_unrealize(DeviceState *dev, Error **errp)
+{
+ PCDIMMDevice *dimm = PC_DIMM(dev);
+ MemoryRegion *mr = pc_dimm_get_memory_region(dimm);
+
+ memory_region_del_subregion(mr->container, mr);
+ vmstate_unregister_ram(mr, dev);
+}
+
static void pc_dimm_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
PCDIMMDeviceClass *ddc = PC_DIMM_CLASS(oc);
dc->realize = pc_dimm_realize;
+ dc->unrealize = pc_dimm_unrealize;
dc->props = pc_dimm_properties;
ddc->get_memory_region = pc_dimm_get_memory_region;
--
1.8.4.2
- [Qemu-devel] [RESEND PATCH v4 00/10] QEmu memory hot unplug support., Tang Chen, 2014/10/22
- [Qemu-devel] [RESEND PATCH v4 03/10] acpi, mem-hotplug: Add acpi_memory_hotplug_sci() to rise sci for memory hotplug., Tang Chen, 2014/10/22
- [Qemu-devel] [RESEND PATCH v4 05/10] acpi, piix4: Add memory hot unplug support for piix4., Tang Chen, 2014/10/22
- [Qemu-devel] [RESEND PATCH v4 01/10] acpi, mem-hotplug: Use PC_DIMM_SLOT_PROP in acpi_memory_plug_cb()., Tang Chen, 2014/10/22
- [Qemu-devel] [RESEND PATCH v4 04/10] acpi, mem-hotplug: Add acpi_memory_unplug_cb() to implement memory unplug., Tang Chen, 2014/10/22
- [Qemu-devel] [RESEND PATCH v4 02/10] acpi, mem-hotplug: Add acpi_memory_get_slot_status_descriptor() to get MemStatus., Tang Chen, 2014/10/22
- [Qemu-devel] [RESEND PATCH v4 06/10] acpi, ich9: Add memory hot unplug support for ich9., Tang Chen, 2014/10/22
- [Qemu-devel] [RESEND PATCH v4 08/10] pc-dimm: Add pc_dimm_unrealize() for memory hot unplug support.,
Tang Chen <=
- [Qemu-devel] [RESEND PATCH v4 07/10] pc: Add memory hot unplug support for pc machine., Tang Chen, 2014/10/22
- [Qemu-devel] [RESEND PATCH v4 09/10] acpi: Add hardware implementation for memory hot unplug., Tang Chen, 2014/10/22
- [Qemu-devel] [RESEND PATCH v4 10/10] pc, acpi bios: Add memory hot unplug interface., Tang Chen, 2014/10/22
- Re: [Qemu-devel] [RESEND PATCH v4 00/10] QEmu memory hot unplug support., Igor Mammedov, 2014/10/29