From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: netdev@vger.kernel.org, kaber@trash.net, hawk@diku.dk,
jarkao2@gmail.com, hadi@cyberus.ca
Subject: Re: [PATCH net-next-2.6] net_sched: RCU conversion of stab
Date: Thu, 20 Jan 2011 16:56:27 -0800 (PST) [thread overview]
Message-ID: <20110120.165627.128607017.davem@davemloft.net> (raw)
In-Reply-To: <1295531299.2825.175.camel@edumazet-laptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 20 Jan 2011 14:48:19 +0100
> 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.
>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Applied.
prev parent reply other threads:[~2011-01-21 0:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-20 9:50 [PATCH net-next-2.6] net_sched: sfq: allow divisor to be a variable Eric Dumazet
2011-01-20 10:17 ` Eric Dumazet
2011-01-20 13:48 ` [PATCH net-next-2.6] net_sched: RCU conversion of stab Eric Dumazet
2011-01-20 15:01 ` Patrick McHardy
2011-01-20 16:39 ` Eric Dumazet
2011-01-20 15:27 ` [PATCH net-next-2.6] net_sched: move TCQ_F_THROTTLED flag Eric Dumazet
2011-01-21 0:56 ` David Miller
2011-01-21 11:04 ` [PATCH net-next-2.6] net_sched: TCQ_F_CAN_BYPASS generalization Eric Dumazet
2011-01-22 0:27 ` David Miller
2011-01-21 0:56 ` David Miller [this message]
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