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(usagi-users 03108) Re: ipv6_addr_cmp performance patch

To: Henrik Nordstrom <hno@xxxxxxxxxxxxxxx>
Subject: (usagi-users 03108) Re: ipv6_addr_cmp performance patch
From: "David S. Miller" <davem@xxxxxxxxxxxxx>
Date: Tue, 9 Nov 2004 15:27:47 -0800
Cc: herbert@xxxxxxxxxxxxxxxxxxx, dwcraig@xxxxxxxxxxxx, usagi-users@xxxxxxxxxxxxxx, linux-net@xxxxxxxxxxxxxxx
In-reply-to: <Pine.LNX.4.61.0411100023290.10593@filer.marasystems.com>
References: <E1CRcet-0001Jc-00@gondolin.me.apana.org.au> <Pine.LNX.4.61.0411100023290.10593@filer.marasystems.com>
Reply-to: usagi-users@xxxxxxxxxxxxxx

On Wed, 10 Nov 2004 00:30:03 +0100 (CET)
Henrik Nordstrom <hno@xxxxxxxxxxxxxxx> wrote:

> On Wed, 10 Nov 2004, Herbert Xu wrote:
> 
> > What if the addresses are not aligned on a platform where it matters?
> 
> Can this at all happen with the sockaddr_in6/in6_addr alignment 
> requirements? It is already a union of uint32_t.

It can if it is embedded within a structure using attribute
"packed".

References:
- (usagi-users 03109) Re: ipv6_addr_cmp performance patch
  - From: Henrik Nordstrom

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