netdev - Re: [PATCH net-next] ipv6: optimize ipv6 addresses compares

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Message-ID: <1341981861.3265.6740.camel@edumazet-glaptop>
Date:	Wed, 11 Jul 2012 06:44:21 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, joe@...ches.com
Subject: Re: [PATCH net-next] ipv6: optimize ipv6 addresses compares

On Tue, 2012-07-10 at 21:13 -0700, David Miller wrote:
> From: Eric Dumazet <eric.dumazet@...il.com>
> Date: Wed, 11 Jul 2012 06:07:58 +0200
> 
> > I dont think this 8bytes alignment is possible with ip6tables.
> 
> Hmmm, wouldn't it make more sense to make ip6tables use a special
> accessor than to penalize everyone?

But we cannot guarantee 64bit alignment everywhere.

Think of tunnels for example.

I dont see where in demux code we have a 64bit access ?



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