netdev - Re: [PATCH] FIB_TRIE: RCU refine

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Message-Id: <20080320.151410.131501950.davem@davemloft.net>
Date:	Thu, 20 Mar 2008 15:14:10 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...tta.com
Cc:	wangchen@...fujitsu.com, netdev@...r.kernel.org
Subject: Re: [PATCH] FIB_TRIE: RCU refine

From: Stephen Hemminger <shemminger@...tta.com>
Date: Thu, 20 Mar 2008 08:35:44 -0700

> 
> > David, sorry to send this patch again.
> > I sent it yesterday, but seems that it was refused by
> > netdev maillist. I subscribed the mailist and send it
> > again.
> > 
> > On reader side, RCU list-traversal functions, such as
> > *list_for_each_entry_rcu(), should be within an RCU
> > read-side critical section.
> > 
> > Surround them by rcu_read_*lock()
> 
> This patch is unnecessary since rcu_read_lock is already fib_trie_seq_start
> and fib_trie_seq_stop.

COrrect.
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