netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: rusty@rustcorp.com.au, netdev@vger.kernel.org
Subject: Re: [PATCH] net: No more expensive sock_hold()/sock_put() on each tx
Date: Thu, 04 Jun 2009 02:26:44 -0700 (PDT)	[thread overview]
Message-ID: <20090604.022644.20820407.davem@davemloft.net> (raw)
In-Reply-To: <4A27916B.7030607@gmail.com>

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 04 Jun 2009 11:18:35 +0200

> Next step would be to get rid of sk_callback_lock, I dont remember
> if we already discussed about that rwlock, after RCUification of sockets...

We discussed it, but the RCU'ification of core socket destruction
is pretty expensive.  Just do any simple connection rate based
test, like lat_connection from lmbench, and the effects are clear.

  reply	other threads:[~2009-06-04  9:26 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-29 14:14 [PATCH 1/4] net: skb_orphan on dev_hard_start_xmit Rusty Russell
2009-05-29 15:11 ` Eric Dumazet
2009-06-01 12:27   ` Rusty Russell
2009-06-03 21:02     ` Eric Dumazet
2009-06-04  3:54       ` Rusty Russell
2009-06-04  4:00         ` David Miller
2009-06-04  4:54           ` Eric Dumazet
2009-06-04  4:56             ` David Miller
2009-06-04  9:18               ` [PATCH] net: No more expensive sock_hold()/sock_put() on each tx Eric Dumazet
2009-06-04  9:26                 ` David Miller [this message]
2009-06-10  8:17                 ` David Miller
2009-06-10  8:30                   ` Eric Dumazet
2009-06-11  9:56                     ` David Miller
2009-06-01 19:47 ` [PATCH 1/4] net: skb_orphan on dev_hard_start_xmit Patrick Ohly
2009-06-02  7:25   ` David Miller
2009-06-02 14:08     ` Rusty Russell
2009-06-03  0:14       ` David Miller
2009-07-03  7:55         ` Herbert Xu
2009-07-04  3:02           ` David Miller
2009-07-04  3:08             ` Herbert Xu
2009-07-04  3:13               ` David Miller
2009-07-04  7:42                 ` Herbert Xu
2009-07-04  9:09                   ` Herbert Xu
2009-07-05  3:26                     ` Herbert Xu
2009-07-05  3:34                       ` Herbert Xu
2009-08-18  1:47                         ` David Miller
2009-08-19  3:19                           ` Herbert Xu
2009-08-19  3:34                             ` 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=20090604.022644.20820407.davem@davemloft.net \
    --to=davem@davemloft.net \
    --cc=eric.dumazet@gmail.com \
    --cc=netdev@vger.kernel.org \
    --cc=rusty@rustcorp.com.au \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).