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Date:	Tue, 13 Mar 2007 14:30:50 -0700
From:	Jean Tourrilhes <>
To:	Johannes Berg <>
Cc:	Jouni Malinen <>, Michael Buesch <>,, netdev <>,
	Jeff Garzik <>, Dan Williams <>
Subject: Re: wireless extensions vs. 64-bit architectures

On Tue, Mar 13, 2007 at 08:42:05PM +0100, Johannes Berg wrote:
> On Mon, 2007-03-12 at 10:56 -0700, Jean Tourrilhes wrote:
> > 	I did that in the e-mail to Jouni. The problem is that most
> > people are unfamiliar with decoding iwevents, so can't grasp the
> > explanation.
> > 	Basically, for iwpoint, we have an outer lenght and an inner
> > length. If they don't match, we have an alignement issue and just need
> > to pick the payload 8 bytes after the expected location.
> > 	For other events, they have a well known size. If the outer
> > lenght is not the expected size, but is expected+4, you just pick the
> > payload 4 bytes after the expected location.
> Ok.
> So the plan now is to put this document up somewhere maybe with some
> graphics or whatever, and then send this to distros so they know what
> happens when people hit this bug.
> Does your new version work without padding even on 64-bit arches? Then
> in a few years we can actually remove the padding completely in the
> kernel, right?

	You are too smart ;-) Yes, the second version in pre16 does
exactly that. That's why I had to change the constants.

> johannes


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