From: Jan Kiszka <jan.kis...@siemens.com>
When we deassign a guest IRQ, clear the potentially asserted guest line.
There might be no chance for the guest to do this, specifically if we
switch from INTx to MSI mode.
Acked-by: Alex Williamson <alex.william...@redhat.com>
Acked-by: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com>
diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c
index 7c98928..ecc4419 100644
--- a/virt/kvm/assigned-dev.c
+++ b/virt/kvm/assigned-dev.c
@@ -141,6 +141,9 @@ static void deassign_guest_irq(struct kvm *kvm,
kvm_unregister_irq_ack_notifier(kvm, &assigned_dev->ack_notifier);
assigned_dev->ack_notifier.gsi = -1;
+ kvm_set_irq(assigned_dev->kvm, assigned_dev->irq_source_id,
+ assigned_dev->guest_irq, 0);
+
if (assigned_dev->irq_source_id != -1)
kvm_free_irq_source_id(kvm, assigned_dev->irq_source_id);
assigned_dev->irq_source_id = -1;
--
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