netdev - Re: Endianness problem with u32 classifier hash masks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 05 Nov 2007 09:06:29 -0500
From:	jamal <hadi@...erus.ca>
To:	Jarek Poplawski <jarkao2@...pl>
Cc:	Radu Rendec <radu.rendec@...s.ro>, netdev@...r.kernel.org
Subject: Re: Endianness problem with u32 classifier hash masks

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

-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html