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Date:	Fri, 08 Aug 2014 07:47:58 +0200
From:	Eric Dumazet <>
To:	Jisheng Zhang <>
Cc:	Dmitry Popov <>,
	"" <>,
	"" <>,
	"" <>
Subject: Re: Weird NET_RX softirq behavior

On Fri, 2014-08-08 at 10:37 +0800, Jisheng Zhang wrote:
> nd and recive 7 packets so far, about 1400bytes. Seems small
> comparing with the CPU1 and CPU2 NET_RX softirq numbers, right?
> Any other possible case?

Multicast loop. Check dev_loopback_xmit() and its callers.

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