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virtio-net: Add queues before loading them

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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:
Akihiko Odaki 2024-10-22 15:49:01 +09:00 • committed by Jason Wang
parent 791e3837c1
commit 9379ea9db3
3 changed files with 19 additions and 0 deletions
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2
include/hw/virtio/virtio.h
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@ -210,6 +210,8 @@ struct VirtioDeviceClass {
void (*guest_notifier_mask)(VirtIODevice *vdev, int n, bool mask);
int (*start_ioeventfd)(VirtIODevice *vdev);
void (*stop_ioeventfd)(VirtIODevice *vdev);
/* Called before loading queues. Useful to add queues before loading. */
int (*pre_load_queues)(VirtIODevice *vdev);
/* Saving and loading of a device; trying to deprecate save/load
* use vmsd for new devices.
*/