netdev - Re: [PATCH net-next-2.6] ipip: get rid of ipip

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Message-Id: <20100915.142943.13758184.davem@davemloft.net>
Date:	Wed, 15 Sep 2010 14:29:43 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] ipip: get rid of ipip_lock

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 15 Sep 2010 22:49:37 +0200

> Le mercredi 15 septembre 2010 à 19:28 +0200, Eric Dumazet a écrit :
>> As RTNL is held while doing tunnels inserts and deletes, we can remove
>> ipip_lock spinlock. My initial RCU conversion was conservative and
>> converted the rwlock to spinlock, with no RTNL requirement.
>> 
>> Use appropriate rcu annotations and modern lockdep checks as well.
>> 
>> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
> 
> While doing ip_gre conversion, I realize I should define a new helper
...
> I'll submit a patch serie :
> 
> 1/3) net: add rtnl_dereference
> 2/3) ipip: get rid of ipip_lock
> 3/3) gre: get rid of ipgre_lock

Ok.
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