netdev - Re: [PATCH net-next-2.6] macvlan: remove one synchronize

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Message-Id: <20110520.003328.540815311526933498.davem@davemloft.net>
Date:	Fri, 20 May 2011 00:33:28 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	kaber@...sh.net, netdev@...r.kernel.org, greearb@...delatech.com
Subject: Re: [PATCH net-next-2.6] macvlan: remove one synchronize_rcu() call

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 20 May 2011 00:24:16 +0200

> When one macvlan device is dismantled, we can avoid one
> synchronize_rcu() call done after deletion from hash list, since caller
> will perform a synchronize_net() call after its ndo_stop() call.
> 
> Add a new netdev->dismantle field to signal this dismantle intent.
> 
> Reduces RTNL hold time.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied.
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