[v9,6/9] intel_iommu: use the correct memory region for device IOTLB notification

Commit Message

Peter Xu April 7, 2017, 10:59 a.m. UTC

From: Jason Wang <[e-mail]>

We have a specific memory region for DMAR now, so it's wrong to
trigger the notifier with the root region.

Cc: Michael S. Tsirkin <[e-mail]>
Cc: Paolo Bonzini <[e-mail]>
Cc: Richard Henderson <[e-mail]>
Cc: Eduardo Habkost <[e-mail]>
Signed-off-by: Jason Wang <[e-mail]>
Reviewed-by: Peter Xu <[e-mail]>
Reviewed-by: \"Michael S. Tsirkin\" <[e-mail]>
Signed-off-by: Peter Xu <[e-mail]>
---
 hw/i386/intel_iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 22d8226..2412df4 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -1457,7 +1457,7 @@  static bool vtd_process_device_iotlb_desc(IntelIOMMUState *s,
     entry.iova = addr;
     entry.perm = IOMMU_NONE;
     entry.translated_addr = 0;
-    memory_region_notify_iommu(entry.target_as->root, entry);
+    memory_region_notify_iommu(&vtd_dev_as->iommu, entry);
 
 done:
     return true;