netdev - Re: [net-next-2.6 PATCH] x86: Drop CONFIG_MCORE2 check around setting of NET_IP

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Date:	Thu, 01 Jul 2010 22:49:47 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, bphilips@...ell.com,
	ak@...ux.intel.com, tglx@...utronix.de, mingo@...hat.com,
	hpa@...or.com, x86@...nel.org, alexander.h.duyck@...el.com
Subject: Re: [net-next-2.6 PATCH] x86: Drop CONFIG_MCORE2 check around
 setting of NET_IP_ALIGN

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Thu, 01 Jul 2010 16:28:27 -0700

> From: Alexander Duyck <alexander.h.duyck@...el.com>
> 
> This patch removes the CONFIG_MCORE2 check from around NET_IP_ALIGN.  It is
> based on a suggestion from Andi Kleen.  The assumption is that there are
> not any x86 cores where unaligned access is really slow, and this change
> would allow for a performance improvement to still exist on configurations
> that are not necessarily optimized for Core 2.
> 
> Cc: Andi Kleen <ak@...ux.intel.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: "H. Peter Anvin" <hpa@...or.com>
> Cc: x86@...nel.org
> Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied, with HPA's ack.
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