diff options
| author | Keir Fraser <keirf@google.com> | 2023-09-12 15:16:21 +0000 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2023-09-18 11:50:27 +0100 |
| commit | 353fa0d89e295ecf6717586533b81d5229cb2f4b (patch) | |
| tree | 444e2238bb5def3a2780744de68631cc95c835ba | |
| parent | c7b7a542cdcd8ebe55cc3e7b49cabba15725c2ca (diff) | |
| download | kvmtool-353fa0d89e295ecf6717586533b81d5229cb2f4b.tar.gz | |
virtio/pci: Level-trigger the legacy IRQ line in all cases
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@google.com>
Link: https://lore.kernel.org/r/20230912151623.2558794-2-keirf@google.com
Signed-off-by: Will Deacon <will@kernel.org>
| -rw-r--r-- | virtio/pci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/virtio/pci.c b/virtio/pci.c index 701f4566..7a206be0 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; |