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vmstate: add no_migrate flag to VMStateDescription 

This allows to easily tag devices as non-migratable,
so any attempt to migrate a virtual machine with the
device in question active will make migration fail.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2011-07-08 10:44:35 +02:00
parent 03ff09580e
commit 2837c8ea1f
2 changed files with 2 additions and 0 deletions
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1
hw/hw.h
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@ -324,6 +324,7 @@ typedef struct VMStateSubsection {
struct VMStateDescription {
const char *name;
int unmigratable;
int version_id;
int minimum_version_id;
int minimum_version_id_old;

1
savevm.c
View File

@ -1234,6 +1234,7 @@ int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
se->opaque = opaque;
se->vmsd = vmsd;
se->alias_id = alias_id;
se->no_migrate = vmsd->unmigratable;
if (dev && dev->parent_bus && dev->parent_bus->info->get_dev_path) {
char *id = dev->parent_bus->info->get_dev_path(dev);