netdev - Re: [PATCH] net: rps: add the shortcut for one rps

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Message-Id: <20100908.131121.260074669.davem@davemloft.net>
Date:	Wed, 08 Sep 2010 13:11:21 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	xiaosuo@...il.com
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH] net: rps: add the shortcut for one rps_cpus

From: Changli Gao <xiaosuo@...il.com>
Date: Sat, 4 Sep 2010 20:18:20 +0800

> On Sat, Sep 4, 2010 at 7:01 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:
>> You are 'optimizing' a very unusual case and slow down 99% of normal
>> uses.
>>
>> Normal way to handle this, is to use irq affinity and deliver interrupts
>> directly to the target cpu.
>>
>>
> 
> Some pseudo network devices may share the same interrupt, such as vlan
> network devices. In this case, setting the IRQ affinity can't work.

I'm fine with this patch being in net-next-2.6 for now, so I've
applied it, thanks.
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