netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: David Miller <davem@davemloft.net>
To: hagen@jauu.net
Cc: eric.dumazet@gmail.com, xiaosuo@gmail.com, wirelesser@gmail.com,
	netdev@vger.kernel.org
Subject: Re: multi bpf filter will impact performance?
Date: Wed, 01 Dec 2010 10:24:02 -0800 (PST)	[thread overview]
Message-ID: <20101201.102402.189695333.davem@davemloft.net> (raw)
In-Reply-To: <20101201.101809.71122121.davem@davemloft.net>

From: David Miller <davem@davemloft.net>
Date: Wed, 01 Dec 2010 10:18:09 -0800 (PST)

> If people work on the BPF optimizer and BPF JITs in parallel, we'll have
> both ready at the same time.  win++

BTW, the JIT is non-trivial work for us because of non-linear SKBs.
We'd need some kind of helper stub or similar, with a straight line
fast path for the linear case.

  reply	other threads:[~2010-12-01 18:23 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-30  9:22 multi bpf filter will impact performance? Rui
2010-11-30  9:34 ` Eric Dumazet
     [not found]   ` <AANLkTi=VpmnrXTBNV7McQm6mq9ULT7KTKbM8_hLPoL=2@mail.gmail.com>
     [not found]     ` <1291127670.2904.96.camel@edumazet-laptop>
2010-12-01  3:48       ` Rui
2010-12-01  4:03         ` Eric Dumazet
2010-12-01  7:45           ` [PATCH net-next-2.6] filter: add SKF_AD_RXHASH and SKF_AD_CPU Eric Dumazet
2010-12-01  8:03             ` Changli Gao
2010-12-06 21:02             ` David Miller
2010-12-03  9:40           ` multi bpf filter will impact performance? Junchang Wang
2010-12-01  7:36         ` Changli Gao
2010-12-01  7:47           ` Eric Dumazet
2010-12-01  7:59             ` Changli Gao
2010-12-01  8:09               ` Eric Dumazet
2010-12-01  8:15                 ` Changli Gao
2010-12-01  8:42                   ` Eric Dumazet
2010-12-01 17:22                     ` Hagen Paul Pfeifer
2010-12-01 18:18                       ` David Miller
2010-12-01 18:24                         ` David Miller [this message]
2010-12-01 18:24                         ` Eric Dumazet
2010-12-01 18:44                           ` David Miller
2010-12-01 19:48                             ` Eric Dumazet
2010-12-01 20:23                               ` David Miller
2010-12-01 20:45                                 ` [PATCH net-next-2.6] filter: add a security check at install time Eric Dumazet
2010-12-02  2:30                                   ` Changli Gao
2010-12-02  6:46                                     ` Eric Dumazet
2010-12-02  8:11                                       ` Changli Gao
2010-12-02  8:53                                         ` Eric Dumazet
2010-12-02  9:00                                           ` Eric Dumazet
2010-12-02  9:10                                             ` Changli Gao
2010-12-02  9:54                                               ` Eric Dumazet
2010-12-02 10:10                                                 ` Changli Gao
2010-12-02 11:15                                                   ` Eric Dumazet
2010-12-02 11:29                                                     ` Changli Gao
2010-12-02 13:14                                                       ` Eric Dumazet
2010-12-02 10:59                                             ` Changli Gao
2010-12-06 21:07                                       ` David Miller
2010-12-03  6:32                         ` multi bpf filter will impact performance? Eric Dumazet
2010-12-05 20:53                           ` PATCH] filter: fix sk_filter rcu handling Eric Dumazet
2010-12-05 21:08                             ` Andi Kleen
2010-12-05 21:28                               ` Eric Dumazet
2010-12-06 17:29                             ` David Miller
2010-11-30 10:01 ` multi bpf filter will impact performance? Eric Dumazet
2010-11-30 11:17 ` Eric Dumazet

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=20101201.102402.189695333.davem@davemloft.net \
    --to=davem@davemloft.net \
    --cc=eric.dumazet@gmail.com \
    --cc=hagen@jauu.net \
    --cc=netdev@vger.kernel.org \
    --cc=wirelesser@gmail.com \
    --cc=xiaosuo@gmail.com \
    /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).