Le mercredi 19 mai 2010 à 10:09 +0200, Eric Dumazet a écrit :

quoted text
> Another concern I have is about RPS.
> 
> netif_receive_skb() must be called from process_backlog() context, or
> there is no guarantee the IPI will be sent if this skb is enqueued for
> another cpu.

Hmm, I just checked again, and this is wrong.

In case we enqueue skb on a remote cpu backlog, we also
do __raise_softirq_irqoff(NET_RX_SOFTIRQ); so the IPI will be done
later.



--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html