From: Joe Perches <joe@perches.com>
Date: Fri, 6 Dec 2013 23:44:21 +0000 (-0800)
Subject: etherdevice: Optimize a few is_<foo>_ether_addr functions
X-Git-Tag: v3.14-rc1~94^2~554
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c722fe1c821a100ca87fcc36e90a9bceb497c7c;p=pandora-kernel.git

etherdevice: Optimize a few is_<foo>_ether_addr functions

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@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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