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virtio-net: Add queues before loading them
Call virtio_net_set_multiqueue() to add queues before loading their
states. Otherwise the loaded queues will not have handlers and elements
in them will not be processed.
Cc: qemu-stable@nongnu.org
Fixes: 8c49756825
("virtio-net: Add only one queue pair when realizing")
Reported-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
parent
791e3837c1
commit
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3 changed files with 19 additions and 0 deletions
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@ -3064,6 +3064,15 @@ static void virtio_net_set_multiqueue(VirtIONet *n, int multiqueue)
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virtio_net_set_queue_pairs(n);
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}
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static int virtio_net_pre_load_queues(VirtIODevice *vdev)
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{
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virtio_net_set_multiqueue(VIRTIO_NET(vdev),
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virtio_has_feature(vdev->guest_features, VIRTIO_NET_F_RSS) ||
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virtio_has_feature(vdev->guest_features, VIRTIO_NET_F_MQ));
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return 0;
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}
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static int virtio_net_post_load_device(void *opaque, int version_id)
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{
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VirtIONet *n = opaque;
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@ -4073,6 +4082,7 @@ static void virtio_net_class_init(ObjectClass *klass, void *data)
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vdc->guest_notifier_mask = virtio_net_guest_notifier_mask;
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vdc->guest_notifier_pending = virtio_net_guest_notifier_pending;
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vdc->legacy_features |= (0x1 << VIRTIO_NET_F_GSO);
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vdc->pre_load_queues = virtio_net_pre_load_queues;
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vdc->post_load = virtio_net_post_load_virtio;
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vdc->vmsd = &vmstate_virtio_net_device;
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vdc->primary_unplug_pending = primary_unplug_pending;
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