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Subject: Re: zd1211rw (2.6.22 sparc64): unaligned access (do_rx)
From: David Miller <davem@davemloft.net>
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From: Daniel Drake <dsd@gentoo.org>
Date: Fri, 07 Dec 2007 14:48:46 +0000

> Please correct me if I'm wrong, but adding the "packed" attribute causes 
> gcc to generate extra instructions to avoid the potentially unaligned 
> accesses.
> (i.e. it basically does put_aligned/get_unaligned automatically)

Exactly.