linux-kernel - Re: [PATCH -next] etherdevice: Optimize a few is_<foo>_ether

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Date:	Mon, 09 Dec 2013 20:58:38 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	joe@...ches.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] etherdevice: Optimize a few is_<foo>_ether_addr
 functions

From: Joe Perches <joe@...ches.com>
Date: Fri, 06 Dec 2013 15:44:21 -0800

> If CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is set,
> several is_<foo>_ether_addr functions can be slightly
> improved by using u32 dereferences.
> 
> I believe all current uses of is_zero_ether_addr and
> is_broadcast_ether_addr are u16 aligned, so always use
> u16 references to improve those functions performance.
> 
> Document the u16 alignment requirements.
> 
> Signed-off-by: Joe Perches <joe@...ches.com>

Applied.
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