From 328695863c6a7de16529044f85f6821811e0cf33 Mon Sep 17 00:00:00 2001
From: Peter Xu <peterx@redhat.com>
Date: Mon, 24 Apr 2017 02:52:50 +0200
Subject: [PATCH 11/23] intel_iommu: use the correct memory region for device
 IOTLB notification

RH-Author: Peter Xu <peterx@redhat.com>
Message-id: <1493002373-13010-7-git-send-email-peterx@redhat.com>
Patchwork-id: 74854
O-Subject: [RHEL7.4 qemu-kvm-rhev PATCH v2 6/9] intel_iommu: use the correct memory region for device IOTLB notification
Bugzilla: 1335808
RH-Acked-by: Marcel Apfelbaum <marcel@redhat.com>
RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
RH-Acked-by: Xiao Wang <jasowang@redhat.com>

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>
(cherry picked from commit 10315b9b28c28655ce64500281f4a028d0f8c5ff)
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@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 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;
-- 
1.8.3.1