Re: [Qemu-devel] [PATCH 1/3] vmstate: add no_migrate flag to VMStateDescription

[Anthony Liguori]

On 07/08/2011 03:53 AM, Gerd Hoffmann wrote:

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<kra...@redhat.com>

register_device_unmigratable()?

Regards,

Anthony Liguori

---
  hw/hw.h  |    1 +
  savevm.c |    1 +
  2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/hw/hw.h b/hw/hw.h
index 9dd7096..1eb3486 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -324,6 +324,7 @@ typedef struct VMStateSubsection {

  struct VMStateDescription {
      const char *name;
+    int no_migrate;
      int version_id;
      int minimum_version_id;
      int minimum_version_id_old;
diff --git a/savevm.c b/savevm.c
index 8139bc7..fa2da3e 100644
--- a/savevm.c
+++ b/savevm.c
@@ -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->no_migrate;

      if (dev&&  dev->parent_bus&&  dev->parent_bus->info->get_dev_path) {
          char *id = dev->parent_bus->info->get_dev_path(dev);