netdev - Re: OFT - reserving CPU's for networking

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Message-ID: <20100501225815.GA8074@gargoyle.fritz.box>
Date:	Sun, 2 May 2010 00:58:15 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	David Miller <davem@...emloft.net>
Cc:	tglx@...utronix.de, shemminger@...tta.com, eric.dumazet@...il.com,
	netdev@...r.kernel.org, peterz@...radead.org
Subject: Re: OFT - reserving CPU's for networking

> We're tracking flow cpu location state at the socket operations, like
> recvmsg() and sendmsg(), where it belongs.
> 
> Would you like us to call into the card drivers and firmware at these
> spots instead?

No, that's not needed for lazy flow tracking like in netfilter or 
some NICs, it doesn't need exact updates. It just works with seen network 
packets. 

-Andi
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