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Date: Wed, 22 Aug 2012 19:51:11 -0700 (PDT)
From: David Miller <davem@...emloft.net>
To: gaofeng@...fujitsu.com
Cc: eric.dumazet@...il.com, netdev@...r.kernel.org,
therbert@...gle.com, maheshb@...gle.com, ebiederm@...ssion.com
Subject: Re: [PATCH net-next v2] net: remove delay at device dismantle
From: Gao feng <gaofeng@...fujitsu.com>
Date: Thu, 23 Aug 2012 10:25:00 +0800
> 于 2012年08月11日 13:54, Eric Dumazet 写道:
>> On Fri, 2012-08-10 at 17:42 +0200, Eric Dumazet wrote:
>>> From: Eric Dumazet <edumazet@...gle.com>
>>>
>>> I noticed extra one second delay in device dismantle, tracked down to
>>> a call to dst_dev_event() while some call_rcu() are still in RCU queues.
>>>
>> ...
>>> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
>>> Cc: Tom Herbert <therbert@...gle.com>
>>> Cc: Mahesh Bandewar <maheshb@...gle.com>
>>> Cc: "Eric W. Biederman" <ebiederm@...ssion.com>
>>> ---
>>> v2: NETDEV_UNREGISTER_FINAL called outside of rtnl lock
>>> as its more risky, base this patch on net-next
>>
>> Also I am leaving for a one week vacation with no access to the
>> Internet, so better hold this patch until my return ;)
>>
>
> Hi Eric
>
> I got this warning message with your patch applied.
Ok I won't push this out until this is resolved.
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