netdev - Re: [PATCH net-next-2.6] garp: remove last synchronize

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Message-Id: <20110512.174712.228493075378622339.davem@davemloft.net>
Date:	Thu, 12 May 2011 17:47:12 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	kaber@...sh.net, greearb@...delatech.com, netdev@...r.kernel.org,
	paulmck@...ux.vnet.ibm.com
Subject: Re: [PATCH net-next-2.6] garp: remove last synchronize_rcu() call

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 12 May 2011 15:29:17 +0200

> [PATCH net-next-2.6] garp: remove last synchronize_rcu() call
> 
> When removing last vlan from a device, garp_uninit_applicant() calls
> synchronize_rcu() to make sure no user can still manipulate struct
> garp_applicant before we free it.
> 
> Use call_rcu() instead, as a step to further net_device dismantle
> optimizations.
> 
> Add the temporary garp_cleanup_module() function to make sure no pending
> call_rcu() are left at module unload time [ this will be removed when
> kfree_rcu() is available ]
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Looks good, applied, thanks Eric.
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