linux-kernel - Re: [PATCH net-next 01/14] etherdevice: Add eth_<foo>_addr CONFIG_HAVE_EFFICIENT_UNALIGNED

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Date:	Tue, 03 Mar 2015 14:26:01 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	joe@...ches.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 01/14] etherdevice: Add eth_<foo>_addr
 CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS code

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 03 Mar 2015 10:42:05 -0800

> On Tue, 2015-03-03 at 10:25 -0800, Joe Perches wrote:
> 
>> At least for arm gcc 4.6.3, it emits different code
>> for net/l2tp/l2tp_eth.o
> 
> Then it looks like arm gcc or arm linux memset() should be improved.
> 
> Tracking all memset(x, y, 6) and replace them by some custom version
> seems not very generic to me, when something better can be done.

+1, and none of this stuff is on the fast path anyways.

I think I'll skip this series fornow.
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