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authorDavid Hildenbrand <david@redhat.com>2018-04-23 18:51:18 +0200
committerEduardo Habkost <ehabkost@redhat.com>2018-05-07 10:00:02 -0300
commitacc7fa17e6fe96bd68ad9af04fde5091383ef25e (patch)
tree47e3dd50c4d2c2cbb48645ac2a18d0bdcd3f32da /hw/mem
parentb0c14ec4efe912ae6f14a4802574f7b6b6db0648 (diff)
pc-dimm: no need to pass the memory region
We can just query it ourselves. When unplugging, we should always be able to the region (as it was previously plugged). E.g. PPC already assumed that and used &error_abort. Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180423165126.15441-4-david@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'hw/mem')
-rw-r--r--hw/mem/pc-dimm.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index ef330628c1..aeff369f6f 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -37,7 +37,7 @@ typedef struct pc_dimms_capacity {
} pc_dimms_capacity;
void pc_dimm_memory_plug(DeviceState *dev, MemoryHotplugState *hpms,
- MemoryRegion *mr, uint64_t align, Error **errp)
+ uint64_t align, Error **errp)
{
int slot;
MachineState *machine = MACHINE(qdev_get_machine());
@@ -46,8 +46,14 @@ void pc_dimm_memory_plug(DeviceState *dev, MemoryHotplugState *hpms,
MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm);
Error *local_err = NULL;
uint64_t existing_dimms_capacity = 0;
+ MemoryRegion *mr;
uint64_t addr;
+ mr = ddc->get_memory_region(dimm, &local_err);
+ if (local_err) {
+ goto out;
+ }
+
addr = object_property_get_uint(OBJECT(dimm),
PC_DIMM_ADDR_PROP, &local_err);
if (local_err) {
@@ -116,12 +122,12 @@ out:
error_propagate(errp, local_err);
}
-void pc_dimm_memory_unplug(DeviceState *dev, MemoryHotplugState *hpms,
- MemoryRegion *mr)
+void pc_dimm_memory_unplug(DeviceState *dev, MemoryHotplugState *hpms)
{
PCDIMMDevice *dimm = PC_DIMM(dev);
PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm);
+ MemoryRegion *mr = ddc->get_memory_region(dimm, &error_abort);
memory_region_del_subregion(&hpms->mr, mr);
vmstate_unregister_ram(vmstate_mr, dev);