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


From: Gerd Hoffmann
Subject: [Qemu-devel] [PATCH 1/3] vmstate: add no_migrate flag to VMStateDescription
Date: Fri, 8 Jul 2011 10:53:57 +0200

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 <address@hidden>
---
 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);
-- 
1.7.1




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