netdev - Re: [PATCH v2 net-next 0/3] net: Add incoming CPU mask to sockets

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Message-ID: <1432660689.4060.275.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Tue, 26 May 2015 10:18:09 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Tom Herbert <tom@...bertland.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH v2 net-next 0/3] net: Add incoming CPU mask to sockets

On Tue, 2015-05-26 at 09:34 -0700, Tom Herbert wrote:
> Added matching of CPU to a socket CPU mask. This is useful for TCP
> listeners and unconnected UDP. This works with SO_REUSPORT to steer
> packets to listener sockets based on CPU affinity. These patches
> allow steering packets to listeners based on numa locality. This is
> only useful for passive connections.
> 
> v2:
>   - Add cache alignment for fields used in socket lookup in sock_common
>   - Added UDP test results

What about the feedback I gave earlier Tom ???

This cannot work for TCP in its current state.


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