From: Jan Kiszka <[email protected]>

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.

Signed-off-by: Jan Kiszka <[email protected]>
---
 virt/kvm/assigned-dev.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

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;
-- 
1.7.1

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to