[Qemu-devel] [PULL 06/15] intel_iommu: use the correct memory region for device IOTLB notification

Eduardo Habkost posted 15 patches 8 years, 9 months ago
[Qemu-devel] [PULL 06/15] intel_iommu: use the correct memory region for device IOTLB notification
Posted by Eduardo Habkost 8 years, 9 months ago
From: Jason Wang <jasowang@redhat.com>

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 <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: \"Michael S. Tsirkin\" <mst@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <1491562755-23867-7-git-send-email-peterx@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 hw/i386/intel_iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 22d8226e43..2412df4182 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;
-- 
2.11.0.259.g40922b1