[Qemu-devel] [PULL 12/25] intel_iommu: reset intr_enabled when system reset

From: "Michael S. Tsirkin" <mst@redhat.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Peter Xu <peterx@redhat.com>, Jason Wang <jasowang@redhat.com>,
	Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Richard Henderson <rth@twiddle.net>,
	Eduardo Habkost <ehabkost@redhat.com>
Subject: [Qemu-devel] [PULL 12/25] intel_iommu: reset intr_enabled when system reset
Date: Mon, 4 Feb 2019 09:43:42 -0500	[thread overview]
Message-ID: <20190204142638.27021-13-mst@redhat.com> (raw)
In-Reply-To: <20190204142638.27021-1-mst@redhat.com>

From: Peter Xu <peterx@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>
---
 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 6d5cc1d039..ee22e754f0 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -3138,6 +3138,7 @@ 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;
-- 
MST
