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SubjectRe: Q: sock output serialization
On Sat, Sep 16, 2000 at 11:39:45PM +0200, Henner Eisen wrote:
> int netif_would_drop(dev)
> {
> return (queue->input_pkt_queue.qlen > netdev_max_backlog)
> || ( (queue->input_pkt_queue.qlen) && (queue->throttle) )
> }
>
> would fulfil those requirements.

It would just be racy. You test, get a not drop and then another different
interrupt would deliver another packet before you can and fill the queue.
Jamal's extended netif_rx probably makes more sense, because it can be
atomic.


-Andi
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