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Date:	Sat, 16 Oct 2010 11:55:51 -0700 (PDT)
From:	David Miller <>
Subject: Re: [PATCH net-next] fib: remove a useless synchronize_rcu() call

From: Eric Dumazet <>
Date: Wed, 13 Oct 2010 16:43:04 +0200

> fib_nl_delrule() calls synchronize_rcu() for no apparent reason,
> while rtnl is held.
> I suspect it was done to avoid an atomic_inc_not_zero() in
> fib_rules_lookup(), which commit 7fa7cb7109d07 added anyway.
> Signed-off-by: Eric Dumazet <>

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