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[Qemu-devel] [PATCH v3 5/8] pc-dimm: Add pc_dimm_unrealize() for memory
From: |
Tang Chen |
Subject: |
[Qemu-devel] [PATCH v3 5/8] pc-dimm: Add pc_dimm_unrealize() for memory hot unplug support. |
Date: |
Mon, 18 Aug 2014 19:24:25 +0800 |
From: Hu Tao <address@hidden>
Implement unrealize function for pc-dimm device. It delete 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 5bfc5b7..ec8b1a3 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -265,12 +265,22 @@ 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] [PATCH v3 0/8] QEmu memory hot unplug support., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 1/8] acpi, piix4: Add memory hot unplug support for piix4., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 2/8] acpi, ich9: Add memory hot unplug support for ich9., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 3/8] pc: Add memory hot unplug support for pc machine., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 4/8] qdev: Add memory hot unplug support for bus-less devices., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 5/8] pc-dimm: Add pc_dimm_unrealize() for memory hot unplug support.,
Tang Chen <=
- [Qemu-devel] [PATCH v3 6/8] acpi: Add hardware implementation for memory hot unplug., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 7/8] pc, acpi bios: Add memory hot unplug interface., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 8/8] monitor: Add memory hot unplug support for device_del command., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 0/8] QEmu memory hot unplug support., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 2/8] acpi, ich9: Add memory hot unplug support for ich9., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 5/8] pc-dimm: Add pc_dimm_unrealize() for memory hot unplug support., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 4/8] qdev: Add memory hot unplug support for bus-less devices., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 3/8] pc: Add memory hot unplug support for pc machine., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 1/8] acpi, piix4: Add memory hot unplug support for piix4., Tang Chen, 2014/08/18
- [Qemu-devel] [PATCH v3 7/8] pc, acpi bios: Add memory hot unplug interface., Tang Chen, 2014/08/18