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-rw-r--r--hw/i386/intel_iommu.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 2ddf3bd..88dc042 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2337,11 +2337,26 @@ static void vtd_iommu_notify_flag_changed(MemoryRegion *iommu,
}
}
+static int vtd_post_load(void *opaque, int version_id)
+{
+ IntelIOMMUState *iommu = opaque;
+
+ /*
+ * Memory regions are dynamically turned on/off depending on
+ * context entry configurations from the guest. After migration,
+ * we need to make sure the memory regions are still correct.
+ */
+ vtd_switch_address_space_all(iommu);
+
+ return 0;
+}
+
static const VMStateDescription vtd_vmstate = {
.name = "iommu-intel",
.version_id = 1,
.minimum_version_id = 1,
.priority = MIG_PRI_IOMMU,
+ .post_load = vtd_post_load,
.fields = (VMStateField[]) {
VMSTATE_UINT64(root, IntelIOMMUState),
VMSTATE_UINT64(intr_root, IntelIOMMUState),