All of lore.kernel.org
 help / color / mirror / Atom feed
From: Patrick McHardy <kaber@trash.net>
To: Eric Dumazet <eric.dumazet@gmail.com>
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>
Subject: Re: [PATCH net-next-2.6] net_sched: RCU conversion of stab
Date: Thu, 20 Jan 2011 16:01:01 +0100	[thread overview]
Message-ID: <4D384E2D.5050001@trash.net> (raw)
In-Reply-To: <1295531299.2825.175.camel@edumazet-laptop>

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.


  reply	other threads:[~2011-01-20 15:01 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 [this message]
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     ` [PATCH net-next-2.6] net_sched: RCU conversion of stab David Miller

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4D384E2D.5050001@trash.net \
    --to=kaber@trash.net \
    --cc=davem@davemloft.net \
    --cc=eric.dumazet@gmail.com \
    --cc=hadi@cyberus.ca \
    --cc=hawk@diku.dk \
    --cc=jarkao2@gmail.com \
    --cc=netdev@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.