netdev - Re: [PATCH net-next-2.6] net: use batched device unregister in veth and macvlan

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Message-Id: <20110509.114200.226765786.davem@davemloft.net>
Date:	Mon, 09 May 2011 11:42:00 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	mirqus@...il.com, alex@...x.org.uk, netdev@...r.kernel.org,
	jesse@...ira.com, paulmck@...ux.vnet.ibm.com,
	greearb@...delatech.com
Subject: Re: [PATCH net-next-2.6] net: use batched device unregister in
 veth and macvlan

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 09 May 2011 11:17:57 +0200

> veth devices dont use the batched device unregisters yet.
> 
> Since veth are a pair of devices, it makes sense to use a batch of two
> unregisters, this roughly divides dismantle time by two.
> 
> Fix this by changing dellink() callers to always provide a non NULL
> head. (Idea from Micha┅ Miros┅aw)
> 
> This patch also handles macvlan case : We now dismantle all macvlans on
> top of a lower dev at once.
> 
> Reported-by: Alex Bligh <alex@...x.org.uk>
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied.
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