netdev - Re: [PATCH] FIB_TRIE: RCU refine

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Message-ID: <47E2FF1C.7060802@cn.fujitsu.com>
Date:	Fri, 21 Mar 2008 08:19:40 +0800
From:	Wang Chen <wangchen@...fujitsu.com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	"David S. Miller" <davem@...emloft.net>,
	NETDEV <netdev@...r.kernel.org>
Subject: Re: [PATCH] FIB_TRIE: RCU refine

Stephen Hemminger said the following on 2008-3-20 23:35:
>> 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.
> 

I see.
Thank you, Stephen.

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