linux-kernel - Re: [PATCH net-next] ether_addr_equal: Optimize implementation, remove unused compare_ether

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Date:	Fri, 06 Dec 2013 16:37:58 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	joe@...ches.com
Cc:	netdev@...r.kernel.org, rob@...dley.net, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] ether_addr_equal: Optimize implementation,
 remove unused compare_ether_addr

From: Joe Perches <joe@...ches.com>
Date: Thu,  5 Dec 2013 14:54:38 -0800

> Add a new check for CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS to reduce
> the number of or's used in the ether_addr_equal comparison to very
> slightly improve function performance.
> 
> Simplify the ether_addr_equal_64bits implementation.
> Integrate and remove the zap_last_2bytes helper as it's now
> used only once.
> 
> Remove the now unused compare_ether_addr function.
> 
> Update the unaligned-memory-access documentation to remove the
> compare_ether_addr description and show how unaligned accesses
> could occur with ether_addr_equal.
> 
> Signed-off-by: Joe Perches <joe@...ches.com>

Applied.
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