Re: [PATCH v3 net-next 1/4] net: implement support for low latencysocket polling

From: Eric Dumazet
Date: Tue May 21 2013 - 13:51:33 EST

On Tue, 2013-05-21 at 10:48 -0700, Eric Dumazet wrote:

> We do not keep skb->dev information once a packet leaves the rcu
> protected region.
> Once packet is queued to tcp input queues, skb->dev is NULL.

This is done in tcp_v4_rcv() & tcp_v6_rcv()

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