netdev - Re: [PATCH net-next v2] net: remove delay at device dismantle

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Message-Id: <20120810.225718.170300290262273493.davem@davemloft.net>
Date:	Fri, 10 Aug 2012 22:57:18 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	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: Eric Dumazet <eric.dumazet@...il.com>
Date: Sat, 11 Aug 2012 07:54:47 +0200

> 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 ;)

Ok :)
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