netdev - Re: [PATCH net-next] ipv6: optimize link local address search

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Message-Id: <20140119.195619.1026706031576275995.davem@davemloft.net>
Date:	Sun, 19 Jan 2014 19:56:19 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	netdev@...r.kernel.org, brian.haley@...com
Subject: Re: [PATCH net-next] ipv6: optimize link local address search

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Sun, 19 Jan 2014 21:58:19 +0100

> ipv6_link_dev_addr sorts newly added addresses by scope in
> ifp->addr_list. Smaller scope addresses are added to the tail of the
> list. Use this fact to iterate in reverse over addr_list and break out
> as soon as a higher scoped one showes up, so we can spare some cycles
> on machines with lot's of addresses.
> 
> The ordering of the addresses is not relevant and we are more likely to
> get the eui64 generated address with this change anyway.
> 
> Suggested-by: Brian Haley <brian.haley@...com>
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Applied.
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