netdev - Re: rps: some comments

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Message-ID: <4B46D053.3000604@gmail.com>
Date:	Fri, 08 Jan 2010 07:27:31 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Tom Herbert <therbert@...gle.com>
CC:	David Miller <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: rps: some comments

Le 08/01/2010 01:07, Tom Herbert a écrit :
> I kind of like the way it is right now, which is to enqueue even on
> the local CPU.  The advantage of that is that all the packets received
> in the napi run are dispatched to all the participating CPUs before
> any are processed, this is good for average and worst case latency on
> a packet burst.

I see... this makes sense, thanks.

Do you know if some non multi queue NIC would be able to provide us
a suitable hash to fill skb->rxhash in NIC driver itself ?

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