linux-kernel - Re: [RFC][PATCH] A generic boolean

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Message-ID: <44D3753B.1060403@sgi.com>
Date:	Fri, 04 Aug 2006 18:26:35 +0200
From:	Jes Sorensen <jes@....com>
To:	Andreas Schwab <schwab@...e.de>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, Jeff Garzik <jeff@...zik.org>,
	ricknu-0@...dent.ltu.se, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...l.org>
Subject: Re: [RFC][PATCH] A generic boolean

Andreas Schwab wrote:
> Jes Sorensen <jes@....com> writes:
> 
>> We know that today long is the only one that differs and that
>> m68k has horrible natural alignment rules for historical reasons, but
>> besides that it's pretty sane.
> 
> Try determining the alignment of u64 on i386.  You will be surprised.

If thats the case, then thats really scary :-( I'd claim it's a bug and
I am willing to be that iptables isn't the only place that is affected
or will be in the future.

Would a fix along the lines of this work?

typedef long long u64 __attribute__ ((aligned (8));

Cheers,
Jes
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