netdev - Re: [PATCH 0/2] AF_PACKET fanout support

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Date:	Tue, 5 Jul 2011 20:13:27 -0700
From:	Tom Herbert <therbert@...gle.com>
To:	David Miller <davem@...emloft.net>
Cc:	victor@...iniac.net, netdev@...r.kernel.org, willemb@...gle.com
Subject: Re: [PATCH 0/2] AF_PACKET fanout support

>> Also, another useful mode of steering would be to steer packets to a
>> socket which was recently processed by a thread running on the same
>> CPU; somewhat analogous to RFS (cc'ed WIllem Bruijn who is already
>> working on this I believe).
>
> This sounds like a good way to overload a local socket and prevent
> pushing the work to lesser used sockets on other cpus.
>
Sure, it you're not using RPS or RSS!  These should already be
distributing the RX work amongst CPUs.
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