macio: move DBDMA_init from instance_init to realize

DBDMA_init is not idempotent, and calling it from instance_init
breaks a simple object_new/object_unref pair.  Work around this,
pending qdev-ification of DBDMA, by moving the call to realize.

Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1443689999-12182-4-git-send-email-armbru@redhat.com>
(cherry picked from commit c710440235)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
stable-2.4
Paolo Bonzini 2015-10-01 10:59:52 +02:00 committed by Michael Roth
parent 243b80c9c5
commit db97d9d886
1 changed files with 4 additions and 4 deletions

View File

@ -131,6 +131,10 @@ static void macio_common_realize(PCIDevice *d, Error **errp)
MacIOState *s = MACIO(d);
SysBusDevice *sysbus_dev;
Error *err = NULL;
MemoryRegion *dbdma_mem;
s->dbdma = DBDMA_init(&dbdma_mem);
memory_region_add_subregion(&s->bar, 0x08000, dbdma_mem);
object_property_set_bool(OBJECT(&s->cuda), true, "realized", &err);
if (err) {
@ -328,16 +332,12 @@ static void macio_newworld_init(Object *obj)
static void macio_instance_init(Object *obj)
{
MacIOState *s = MACIO(obj);
MemoryRegion *dbdma_mem;
memory_region_init(&s->bar, obj, "macio", 0x80000);
object_initialize(&s->cuda, sizeof(s->cuda), TYPE_CUDA);
qdev_set_parent_bus(DEVICE(&s->cuda), sysbus_get_default());
object_property_add_child(obj, "cuda", OBJECT(&s->cuda), NULL);
s->dbdma = DBDMA_init(&dbdma_mem);
memory_region_add_subregion(&s->bar, 0x08000, dbdma_mem);
}
static const VMStateDescription vmstate_macio_oldworld = {