[PATCH] virtio-vdpa: Use queue id when setting vq affinity

Xiong Weimin <[email protected]> Tue, 4 Aug 2026 17:26:49 +0800
Newsgroups dev.linux.lists.virtualization,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
When optional queues are skipped, pass the compressed vDPA queue id to
set_vq_affinity() so affinity is applied to the queue that was actually
created.

Signed-off-by: Xiong Weimin <[email protected]>
---
 drivers/virtio/virtio_vdpa.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c
index de2af696d..6bcf4567a 100644
--- a/drivers/virtio/virtio_vdpa.c
+++ b/drivers/virtio/virtio_vdpa.c
@@ -352,7 +352,7 @@ static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs,
 			continue;
 		}
 
-		vqs[i] = virtio_vdpa_setup_vq(vdev, queue_idx++, vqi->callback,
+		vqs[i] = virtio_vdpa_setup_vq(vdev, queue_idx, vqi->callback,
 					      vqi->name, vqi->ctx);
 		if (IS_ERR(vqs[i])) {
 			err = PTR_ERR(vqs[i]);
@@ -360,7 +360,8 @@ static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs,
 		}
 
 		if (has_affinity)
-			ops->set_vq_affinity(vdpa, i, &masks[i]);
+			ops->set_vq_affinity(vdpa, queue_idx, &masks[i]);
+		queue_idx++;
 	}
 
 	cb.callback = virtio_vdpa_config_cb;
-- 
2.43.0