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virtio_vdpa: don't warn when fail to disable vq
author
Jason Wang
<jasowang@redhat.com>
Mon, 4 Jan 2021 06:55:02 +0000
(14:55 +0800)
committer
Michael S. Tsirkin
<mst@redhat.com>
Tue, 23 Feb 2021 12:52:58 +0000
(07:52 -0500)
There's no guarantee that the device can disable a specific virtqueue
through set_vq_ready(). One example is the modern virtio-pci
device. So this patch removes the warning.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link:
https://lore.kernel.org/r/20210104065503.199631-19-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/virtio/virtio_vdpa.c
patch
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diff --git
a/drivers/virtio/virtio_vdpa.c
b/drivers/virtio/virtio_vdpa.c
index
4a9ddb4
..
e28acf4
100644
(file)
--- a/
drivers/virtio/virtio_vdpa.c
+++ b/
drivers/virtio/virtio_vdpa.c
@@
-225,9
+225,8
@@
static void virtio_vdpa_del_vq(struct virtqueue *vq)
list_del(&info->node);
spin_unlock_irqrestore(&vd_dev->lock, flags);
- /* Select and deactivate the queue */
+ /* Select and deactivate the queue
(best effort)
*/
ops->set_vq_ready(vdpa, index, 0);
- WARN_ON(ops->get_vq_ready(vdpa, index));
vring_del_virtqueue(vq);