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net: Print num_rx_queues imbalance warning only when there are allocated queues
BugLink: http://bugs.launchpad.net/bugs/591416 There are a number of network drivers (bridge, bonding, etc) that are not yet receive multi-queue enabled and use alloc_netdev(), so don't print a num_rx_queues imbalance warning in that case. Also, only print the warning once for those drivers that _are_ multi-queue enabled. Signed-off-by: Tim Gardner <tim.gardner@canonical.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
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@ -2253,11 +2253,9 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
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if (skb_rx_queue_recorded(skb)) {
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u16 index = skb_get_rx_queue(skb);
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if (unlikely(index >= dev->num_rx_queues)) {
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if (net_ratelimit()) {
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pr_warning("%s received packet on queue "
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"%u, but number of RX queues is %u\n",
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dev->name, index, dev->num_rx_queues);
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}
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WARN_ONCE(dev->num_rx_queues > 1, "%s received packet "
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"on queue %u, but number of RX queues is %u\n",
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dev->name, index, dev->num_rx_queues);
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goto done;
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}
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rxqueue = dev->_rx + index;
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