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-rw-r--r--drivers/virtio/virtio_ring.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index d66c8e6d0ef3..4620e9d79dde 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -2426,6 +2426,14 @@ static inline bool more_used(const struct vring_virtqueue *vq)
return vq->packed_ring ? more_used_packed(vq) : more_used_split(vq);
}
+/**
+ * vring_interrupt - notify a virtqueue on an interrupt
+ * @irq: the IRQ number (ignored)
+ * @_vq: the struct virtqueue to notify
+ *
+ * Calls the callback function of @_vq to process the virtqueue
+ * notification.
+ */
irqreturn_t vring_interrupt(int irq, void *_vq)
{
struct vring_virtqueue *vq = to_vvq(_vq);