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migration/next for 20170517

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Merge remote-tracking branch 'quintela/tags/migration/20170517' into staging

migration/next for 20170517

# gpg: Signature made Wed 17 May 2017 11:46:36 AM BST
# gpg:                using RSA key 0xF487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg:                 aka "Juan Quintela <quintela@trasno.org>"
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* quintela/tags/migration/20170517:
  migration: Move check_migratable() into qdev.c
  migration: Move postcopy stuff to postcopy-ram.c
  migration: Move page_cache.c to migration/
  migration: Create migration/blocker.h
  ram: Rename RAM_SAVE_FLAG_COMPRESS to RAM_SAVE_FLAG_ZERO
  migration: Pass Error ** argument to {save,load}_vmstate
  migration: Fix regression with compression threads

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2017-05-18 10:05:50 +01:00
commit 2ccbd47c1d
36 changed files with 194 additions and 158 deletions
Download patch file Download diff file Expand all files Collapse all files

20
hw/core/qdev.c
View file

@ -37,7 +37,7 @@
#include "hw/boards.h"
#include "hw/sysbus.h"
#include "qapi-event.h"
#include "migration/migration.h"
#include "migration/vmstate.h"
bool qdev_hotplug = false;
static bool qdev_hot_added = false;
@ -861,6 +861,20 @@ static bool device_get_realized(Object *obj, Error **errp)
return dev->realized;
}
static bool check_only_migratable(Object *obj, Error **err)
{
DeviceClass *dc = DEVICE_GET_CLASS(obj);
if (!vmstate_check_only_migratable(dc->vmsd)) {
error_setg(err, "Device %s is not migratable, but "
"--only-migratable was specified",
object_get_typename(obj));
return false;
}
return true;
}
static void device_set_realized(Object *obj, bool value, Error **errp)
{
DeviceState *dev = DEVICE(obj);
@ -870,7 +884,6 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
Error *local_err = NULL;
bool unattached_parent = false;
static int unattached_count;
int ret;
if (dev->hotplugged && !dc->hotpluggable) {
error_setg(errp, QERR_DEVICE_NO_HOTPLUG, object_get_typename(obj));
@ -878,8 +891,7 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
}
if (value && !dev->realized) {
ret = check_migratable(obj, &local_err);
if (ret < 0) {
if (!check_only_migratable(obj, &local_err)) {
goto fail;
}