netdev - Re: [PATCH] FIB_TRIE: RCU refine

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Message-ID: <20080320083544.581d309c@extreme>
Date:	Thu, 20 Mar 2008 08:35:44 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Wang Chen <wangchen@...fujitsu.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	NETDEV <netdev@...r.kernel.org>
Subject: Re: [PATCH] FIB_TRIE: RCU refine


> 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.
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