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s390x/pci: clean up s390 PCI groups 

Add a step to remove all stashed PCI groups to avoid stale data between
machine resets.

Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Matthew Rosato 2020-10-26 11:34:38 -04:00 committed by Alex Williamson
parent 28dc86a072
commit b354d5d804
1 changed files with 12 additions and 0 deletions
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12
hw/s390x/s390-pci-bus.c
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@ -813,6 +813,17 @@ static void s390_pcihost_realize(DeviceState *dev, Error **errp)
S390_ADAPTER_SUPPRESSIBLE, errp);
}
static void s390_pcihost_unrealize(DeviceState *dev)
{
S390PCIGroup *group;
S390pciState *s = S390_PCI_HOST_BRIDGE(dev);
while (!QTAILQ_EMPTY(&s->zpci_groups)) {
group = QTAILQ_FIRST(&s->zpci_groups);
QTAILQ_REMOVE(&s->zpci_groups, group, link);
}
}
static int s390_pci_msix_init(S390PCIBusDevice *pbdev)
{
char *name;
@ -1171,6 +1182,7 @@ static void s390_pcihost_class_init(ObjectClass *klass, void *data)
dc->reset = s390_pcihost_reset;
dc->realize = s390_pcihost_realize;
dc->unrealize = s390_pcihost_unrealize;
hc->pre_plug = s390_pcihost_pre_plug;
hc->plug = s390_pcihost_plug;
hc->unplug_request = s390_pcihost_unplug_request;