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From: jamal <hadi@cyberus.ca>
To: Jarek Poplawski <jarkao2@o2.pl>
Cc: Radu Rendec <radu.rendec@ines.ro>, netdev@vger.kernel.org
Subject: Re: Endianness problem with u32 classifier hash masks
Date: Mon, 05 Nov 2007 09:06:29 -0500	[thread overview]
Message-ID: <1194271589.4438.113.camel@localhost> (raw)
In-Reply-To: <20071105135246.GB1933@ff.dom.local>

On Mon, 2007-05-11 at 14:52 +0100, Jarek Poplawski wrote:

> It seems this performance loss shouldn't be so big because ntohl()
> is probably quite well optimized in assembler. But, as I've written,
> since there is max. 1 byte meaningful to us there is some additional
> possibility to get it other way, but I doubt it's worth to bother,
> and this can be done with some later patch, after all.

Agreed on optimizing later. It will probably keep nagging at me for
sometime....

> If we manage to convince Jamal, IMHO a patch to something current like
> 2.6.24-rc1-git14 (or maybe -rc2 soon), should suffice (plus some
> options to diff to get function names etc. eg.: diff -Nurp). Try with
> Documentation/SubmittingPatches. Git isn't necessary at all. And don't
> forget about a changelog.

That code hasnt changed at all in a few years, so even against
2.6.24-rc1 should be fine and can be applied cleanly to Daves net-2.6.
Radu, please refer to my earlier email on things to try.

cheers,
jamal


  reply	other threads:[~2007-11-05 14:07 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-01 17:55 Endianness problem with u32 classifier hash masks Radu Rendec
2007-11-02 17:31 ` Jarek Poplawski
2007-11-02 23:23   ` jamal
2007-11-03 23:39     ` Jarek Poplawski
2007-11-03 23:58       ` Jarek Poplawski
2007-11-04  0:30         ` Jarek Poplawski
2007-11-04  1:17           ` Jarek Poplawski
2007-11-04 23:58             ` jamal
2007-11-05  9:12               ` Jarek Poplawski
2007-11-05 12:59                 ` Radu Rendec
2007-11-05 13:43                   ` jamal
2007-11-05 14:49                     ` Jarek Poplawski
2007-11-05 16:12                       ` Radu Rendec
2007-11-05 13:52                   ` Jarek Poplawski
2007-11-05 14:06                     ` jamal [this message]
2007-11-05 17:31                       ` Radu Rendec
2007-11-05 21:06                         ` Jarek Poplawski
2007-11-05 21:28                           ` Jarek Poplawski
2007-11-05 22:27                           ` jamal
2007-11-06  0:02                             ` Jarek Poplawski
2007-11-06  0:12                               ` Jarek Poplawski
2007-11-06  8:09                               ` Radu Rendec
2007-11-06 13:34                                 ` jamal
2007-11-06 14:25                                   ` Jarek Poplawski
2007-11-06 14:43                                     ` jamal
2007-11-06 17:00                                       ` Radu Rendec
2007-11-06 20:28                                         ` Jarek Poplawski
2007-11-07  9:22                                         ` David Miller
2007-11-07 12:56                                           ` Jarek Poplawski
2007-11-07 13:42                                           ` jamal
2007-11-07 13:55                                             ` Radu Rendec
2007-11-07 14:35                                           ` Radu Rendec
2007-11-08 11:07                                           ` [PATCH] [PKT_SCHED] CLS_U32: Use ffs() instead of C code on hash mask to get first set bit Radu Rendec
2007-11-08 11:37                                             ` Jarek Poplawski
2007-11-08 13:45                                             ` jamal
2007-11-11  5:55                                               ` David Miller
2007-11-05 13:47                 ` Endianness problem with u32 classifier hash masks jamal
2007-11-05 14:35                   ` Jarek Poplawski

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