From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH net-next-2.6] net_sched: RCU conversion of stab
Date: Thu, 20 Jan 2011 16:01:01 +0100
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References: <1295517052.2733.14.camel@edumazet-laptop>	 <1295518636.2825.4.camel@edumazet-laptop> <1295531299.2825.175.camel@edumazet-laptop>
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Cc: David Miller <davem@davemloft.net>,
	netdev <netdev@vger.kernel.org>,
	Jesper Dangaard Brouer <hawk@diku.dk>,
	Jarek Poplawski <jarkao2@gmail.com>, jamal <hadi@cyberus.ca>
To: Eric Dumazet <eric.dumazet@gmail.com>
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Am 20.01.2011 14:48, schrieb Eric Dumazet:
> This patch converts stab qdisc management to RCU, so that we can perform
> the qdisc_calculate_pkt_len() call before getting qdisc lock.
> 
> This shortens the lock's held time in __dev_xmit_skb().
> 
> This permits more qdiscs to get TCQ_F_CAN_BYPASS status, avoiding lot of
> cache misses and so reducing latencies.
> 

Looks good to me.