We also need to switch to the right address space on dest side
after loading the device status. DMA to wrong address space is
destructive.
Fixes: 3facd774962fd ("virtio-iommu: Add bypass mode support to assigned
device")
Suggested-by: Eric Auger <eric.au...@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.d...@intel.com>
---
hw/virtio/virtio-iommu.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c
index 08b227e828f8..281152d338f4 100644
--- a/hw/virtio/virtio-iommu.c
+++ b/hw/virtio/virtio-iommu.c
@@ -1322,6 +1322,14 @@ static int iommu_post_load(void *opaque, int version_id)
VirtIOIOMMU *s = opaque;
g_tree_foreach(s->domains, reconstruct_endpoints, s);
+
+ /*
+ * Memory regions are dynamically turned on/off depending on
+ * 'config.bypass' and attached domain type if there is. After
+ * migration, we need to make sure the memory regions are
+ * still correct.
+ */
+ virtio_iommu_switch_address_space_all(s);
return 0;
}
--
2.25.1
