diff options
| -rw-r--r-- | hw/s390x/s390-pci-bus.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 48a3be802f..e0dc20ce4a 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -732,6 +732,13 @@ static void s390_pci_iommu_free(S390pciState *s, PCIBus *bus, int32_t devfn) table->iommu[PCI_SLOT(devfn)] = NULL; g_hash_table_destroy(iommu->iotlb); + /* + * An attached PCI device may have memory listeners, eg. VFIO PCI. + * The associated subregion will already have been unmapped in + * s390_pci_iommu_disable in response to the guest deconfigure request. + * Remove the listeners now before destroying the address space. + */ + address_space_remove_listeners(&iommu->as); address_space_destroy(&iommu->as); object_unparent(OBJECT(&iommu->mr)); object_unparent(OBJECT(iommu)); |