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From: David Miller <davem@davemloft.net>
To: ilpo.jarvinen@helsinki.fi
Cc: netdev@vger.kernel.org, shemminger@linux-foundation.org,
	takano@axe-inc.co.jp
Subject: Re: [RFC PATCH net-2.6.24 0/3]: Attempt to fix lost_retrans brokeness
Date: Wed, 10 Oct 2007 02:48:09 -0700 (PDT)	[thread overview]
Message-ID: <20071010.024809.10298656.davem@davemloft.net> (raw)
In-Reply-To: <Pine.LNX.4.64.0710091600300.3767@kivilampi-30.cs.helsinki.fi>

From: "Ilpo_Järvinen" <ilpo.jarvinen@helsinki.fi>
Date: Tue, 9 Oct 2007 16:03:29 +0300 (EEST)

> On Tue, 9 Oct 2007, Ilpo Järvinen wrote:
> 
> > Lost_retrans handling of sacktag was found to be flawed, two
> > problems that were found have an intertwined solution. Fastpath
> > problem has existed since hints got added and the other problem
> > has probably been there even longer than that. ...This change
> > may add non-trivial processing cost.
> > 
> > Initial sketch, only compile tested. This will become more and
> > more useful, when sacktag starts to process less and less skbs,
> > which hopefully happens quite soon... :-) Sadly enough it will
> > probably then be consuming part of the benefits we're able to
> > achieve by less skb walking...
> > 
> > First one is trivial, so Dave might want to apply it already.
> 
> Hmm, forgot to add -n to git-format-patch. Since it's currently
> RFC, I won't bother to resubmit with numbers unless somebody
> really wants that. Here's the correct ordering, if it's not
> obvious from the patches alone:

I'm going to leave the 2nd patches and 3rd patches alone for
now so they can cook a little bit longer.

Thanks!

      reply	other threads:[~2007-10-10  9:48 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-09 12:19 [RFC PATCH net-2.6.24 0/3]: Attempt to fix lost_retrans brokeness Ilpo Järvinen
2007-10-09 12:20 ` [PATCH] [TCP]: Separate lost_retrans loop into own function Ilpo Järvinen
2007-10-09 12:20   ` [RFC PATCH] [TCP]: Fix lost_retrans loop vs fastpath problems Ilpo Järvinen
2007-10-09 12:20     ` [RFC PATCH] [TCP]: Limit processing lost_retrans loop to work-to-do cases Ilpo Järvinen
2007-10-10  9:44       ` David Miller
2007-10-10  9:44         ` David Miller
2007-10-11  1:55     ` [RFC PATCH] [TCP]: Fix lost_retrans loop vs fastpath problems TAKANO Ryousei
2007-10-11 10:12       ` Ilpo Järvinen
2007-10-11 13:51         ` Regression in net-2.6.24? TAKANO Ryousei
2007-10-11 23:48           ` David Miller
2007-10-11 23:55             ` Stephen Hemminger
2007-10-12  0:17               ` David Miller
2007-10-12  0:31                 ` Stephen Hemminger
2007-10-12  0:40                   ` David Miller
2007-10-12  0:50                     ` Stephen Hemminger
2007-10-12  1:00                       ` David Miller
2007-10-12  1:03                         ` David Miller
2007-10-12  1:14                 ` David Miller
2007-10-12  1:22                   ` Stephen Hemminger
2007-10-12  1:25                     ` David Miller
2007-10-12  3:17                   ` Michael Chan
2007-10-12  2:40                     ` David Miller
2007-10-12  8:54                       ` Michael Chan
2007-10-12  8:39                         ` David Miller
2007-10-12 10:22                   ` TAKANO Ryousei
2007-10-12 10:56                     ` David Miller
2007-10-10  9:45   ` [PATCH] [TCP]: Separate lost_retrans loop into own function David Miller
2007-10-09 13:03 ` [RFC PATCH net-2.6.24 0/3]: Attempt to fix lost_retrans brokeness Ilpo Järvinen
2007-10-10  9:48   ` David Miller [this message]

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