netdev - Re: |PATCH net-next-2.6] ifb: use netif_receive_skb() instead of netif

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Message-ID: <20101215081447.64081885@nehalam>
Date:	Wed, 15 Dec 2010 08:14:47 -0800
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	hadi@...erus.ca
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	Changli Gao <xiaosuo@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Tom Herbert <therbert@...gle.com>,
	Jiri Pirko <jpirko@...hat.com>, netdev@...r.kernel.org,
	netem@...ts.linux-foundation.org
Subject: Re: |PATCH net-next-2.6] ifb: use netif_receive_skb() instead of
 netif_rx()

On Wed, 15 Dec 2010 07:49:23 -0500
jamal <hadi@...erus.ca> wrote:

> On Wed, 2010-12-15 at 09:39 +0100, Eric Dumazet wrote:
> > In ri_tasklet(), we run from softirq, so can directly handle packet
> > through netif_receive_skb() instead of netif_rx().
> > There is no risk of recursion.
> 
> Eric, did you do at least a simple test on this one? 
> It used to be problematic (I cant remember why or
> what use case was problematic).

Only risk is stack overflow.
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