linux-kernel - Re: [PATCH 1/1] drivers: brcmaxi: provide amba axi functionality in separate module

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Message-ID: <4D948B1C.7080806@suse.cz>
Date:	Thu, 31 Mar 2011 16:09:32 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	Russell King <rmk@....linux.org.uk>
CC:	Arnd Bergmann <arnd@...db.de>,
	Arend van Spriel <arend@...adcom.com>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	devel@...uxdriverproject.org, gregkh@...e.de,
	linux-wireless@...r.kernel.org, Jiri Slaby <jirislaby@...il.com>
Subject: Re: [PATCH 1/1] drivers: brcmaxi: provide amba axi functionality
 in separate module

On 03/31/2011 03:51 PM, Russell King wrote:
> On Thu, Mar 31, 2011 at 03:48:20PM +0200, Jiri Slaby wrote:
>> How it can? Packed only tells the compiler to have one byte alignment
>> steps. And it should not matter here as all the members are 32-bit long.
> 
> It also tells the compiler that it may be misaligned, so to avoid
> alignment faults it will use byte loads/stores.

No, it should not (if offsetof % sizeof == 0). Otherwise it's a bug in
the compiler.

Am I missing something?

thanks,
-- 
js
suse labs
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