Re: [net-next rfc v7 2/3] virtio_net: multiqueue support

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On Tue, Nov 27, 2012 at 06:15:59PM +0800, Jason Wang wrote:
> -	if (!try_fill_recv(&vi->rq, GFP_KERNEL))
> -		schedule_delayed_work(&vi->rq.refill, 0);
> +	for (i = 0; i < vi->max_queue_pairs; i++)
> +		if (!try_fill_recv(&vi->rq[i], GFP_KERNEL))
> +			schedule_delayed_work(&vi->rq[i].refill, 0);
>  
>  	mutex_lock(&vi->config_lock);
>  	vi->config_enable = true;
>  	mutex_unlock(&vi->config_lock);
>  
> +	BUG_ON(virtnet_set_queues(vi));
> +
>  	return 0;
>  }
>  #endif

Also crashing on device nack of command is also not nice.
In this case it seems we can just switch to
single-queue mode which should always be safe.
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