From: David Miller <davem@davemloft.net>
To: jengelh@linux01.gwdg.de
Cc: kadlec@blackhole.kfki.hu, netdev@vger.kernel.org,
netfilter-devel@lists.netfilter.org
Subject: Re: owner-Match in 2.6.20-rc5 (fwd)
Date: Thu, 25 Jan 2007 14:01:49 -0800 (PST) [thread overview]
Message-ID: <20070125.140149.51518685.davem@davemloft.net> (raw)
In-Reply-To: <Pine.LNX.4.61.0701252206360.26335@yvahk01.tjqt.qr>
From: Jan Engelhardt <jengelh@linux01.gwdg.de>
Date: Thu, 25 Jan 2007 22:07:07 +0100 (MET)
>
> >> The report below was posted on the netfilter user list. Isn't there any
> >> ill side effect by reverting the change?
> >
> >Performance regression :-(
> >
> >This optimization saves a whole handful of heavy atomic operations in
> >the packet transmit path of TCP.
> >
> >As I understand it, the owner-Match is not in the upstream tree, and
> >it's the only thing that cares, so I see no reason to cater for it.
>
> For me, it's there.
> -rw-r--r-- 1 jengelh users 2247 Jan 25 21:37
> /erk/kernel/linux-2.6.20-rc6/net/ipv4/netfilter/ipt_owner.c
Ok, I'll see what I can do about this :-)
next prev parent reply other threads:[~2007-01-25 22:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-25 20:31 owner-Match in 2.6.20-rc5 (fwd) Jozsef Kadlecsik
2007-01-25 20:57 ` Jan Engelhardt
2007-01-25 21:01 ` David Miller
2007-01-25 21:07 ` Jan Engelhardt
2007-01-25 22:01 ` David Miller [this message]
2007-01-25 22:14 ` Jan Engelhardt
2007-01-26 9:05 ` David Miller
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