> - while (!skb_queue_empty(&mcast->pkt_queue))
> + while (!skb_queue_empty(&mcast->pkt_queue)) {
> + spin_lock_irqsave(&priv->tx_lock, flags);
> + ++priv->stats.tx_dropped;
> + spin_unlock_irqrestore(&priv->tx_lock, flags);
> dev_kfree_skb_any(skb_dequeue(&mcast->pkt_queue));
> + }
Any reason to drop the lock every time around this loop? Would it
make more sense to count the number of packets and then just add it in
after the loop?
> + spin_lock_irq(&priv->tx_lock);
> while (!skb_queue_empty(&mcast->pkt_queue)) {
> struct sk_buff *skb = skb_dequeue(&mcast->pkt_queue);
> + spin_unlock_irq(&priv->tx_lock);
Again, why are we dropping the lock every time through this loop? Is
it just to reduce the lock hold time here?
- R.
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