From: Wang Chen <wangchen@cn.fujitsu.com>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: "David S. Miller" <davem@davemloft.net>, NETDEV <netdev@vger.kernel.org>
Subject: Re: [PATCH] FIB_TRIE: RCU refine
Date: Fri, 21 Mar 2008 08:19:40 +0800 [thread overview]
Message-ID: <47E2FF1C.7060802@cn.fujitsu.com> (raw)
In-Reply-To: <20080320083544.581d309c@extreme>
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.
prev parent reply other threads:[~2008-03-21 0:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-20 5:15 [PATCH] FIB_TRIE: RCU refine Wang Chen
2008-03-20 5:19 ` David Miller
2008-03-20 15:35 ` Stephen Hemminger
2008-03-20 22:14 ` David Miller
2008-03-21 0:19 ` Wang Chen [this message]
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