From b7229c79beaf790518048ff85b329eaa9cd6985f Mon Sep 17 00:00:00 2001

From: Peter Xu <peterx@redhat.com>

Date: Tue, 2 Apr 2019 07:25:29 +0100

Subject: [PATCH 5/7] intel_iommu: reset intr_enabled when system reset

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RH-Author: Peter Xu <peterx@redhat.com>

Message-id: <20190402072531.23771-3-peterx@redhat.com>

Patchwork-id: 85299

O-Subject: [RHEL-8.1 qemu-kvm PATCH 2/4] intel_iommu: reset intr_enabled when system reset

Bugzilla: 1662272

RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>

RH-Acked-by: Wei Huang <wei@redhat.com>

RH-Acked-by: Xiao Wang <jasowang@redhat.com>

RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>

This is found when I was debugging another problem.  Until now no bug

is reported with this but we'd better reset the IR status correctly

after a system reset.

Acked-by: Jason Wang <jasowang@redhat.com>

Signed-off-by: Peter Xu <peterx@redhat.com>

Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

(cherry picked from commit d7bb469afa015e28a443faf1600a5a28b5fa483a)

Signed-off-by: Peter Xu <peterx@redhat.com>

Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>

---

 hw/i386/intel_iommu.c | 1 +

 1 file changed, 1 insertion(+)

diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c

index 7170266..e827c5a 100644

--- a/hw/i386/intel_iommu.c

+++ b/hw/i386/intel_iommu.c

@@ -3133,6 +3133,7 @@ static void vtd_init(IntelIOMMUState *s)

     s->root = 0;

     s->root_extended = false;

     s->dmar_enabled = false;

+    s->intr_enabled = false;

     s->iq_head = 0;

     s->iq_tail = 0;

     s->iq = 0;

-- 

1.8.3.1