netdev - Re: [PATCH] ifb: add multi-queue support

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Message-ID: <412e6f7f0911100248mbc14287p26c43141d6ab202c@mail.gmail.com>
Date:	Tue, 10 Nov 2009 18:48:15 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Tom Herbert <therbert@...gle.com>
Subject: Re: [PATCH] ifb: add multi-queue support

On Tue, Nov 10, 2009 at 6:29 PM, Patrick McHardy <kaber@...sh.net> wrote:
>
> I'm not sure how this will help, ifb device transmission is
> still serialized by the ingress queue lock and the mirred lock.
>

But not in ifb_thread. For firewall the main routine is after
netif_rx_ni(). For server applications, the packets belong to the same
flow are always routed to the same CPU, and the applications can
benefit with better localization.

-- 
Regards，
Changli Gao(xiaosuo@...il.com)
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