The PCI legacy IRQ line is level triggered, but is treated as
edge triggered via kvm__irq_trigger() for signalling of config
changes.
Fix this by using kvm__irq_level(), as for queue signalling.
Signed-off-by: Keir Fraser <keirf@xxxxxxxxxx>
---
virtio/pci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/virtio/pci.c b/virtio/pci.c
index 701f456..7a206be 100644
--- a/virtio/pci.c
+++ b/virtio/pci.c
@@ -264,7 +264,7 @@ int virtio_pci__signal_config(struct kvm *kvm, struct virtio_device *vdev)
kvm__irq_trigger(kvm, vpci->config_gsi);
} else {
vpci->isr = VIRTIO_PCI_ISR_CONFIG;
- kvm__irq_trigger(kvm, vpci->legacy_irq_line);
+ kvm__irq_line(kvm, vpci->legacy_irq_line, VIRTIO_IRQ_HIGH);
}
return 0;
--
2.42.0.283.g2d96d420d3-goog
