linux-kernel - Re: Process to push changes to include/linux/types.h

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Message-ID: <alpine.LNX.2.01.1010151212350.788@obet.zrqbmnf.qr>
Date:	Fri, 15 Oct 2010 12:13:33 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	Andi Kleen <andi@...stfloor.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Paris <eparis@...hat.com>, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, agruen@...e.de, davem@...emloft.net
Subject: Re: Process to push changes to include/linux/types.h

On Friday 2010-10-15 10:22, Andi Kleen wrote:
>Jan Engelhardt writes:
>
>> I would be interested in knowing whether you - in whichever subsystems
>> you happen to be active - would even need aligned_u64. Right now,
>> the only users seem to be PPP and scsi_tgt besides Netfilter.
>
>Using aligned_u64 is good practice to avoid problems with the 
>32bit/64bit compat layer. I would recommend it to anyone 
>adding a new user space interface passing a 64bit value.

Well, new interfaces in networking are using netlink, which has its own 
unlucky ideas of alignment.
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