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 18:15:13 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
CC:	davem@...emloft.net, netdev@...r.kernel.org, gospo@...hat.com,
	bphilips@...ell.com, Andi Kleen <ak@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	Alexander Duyck <alexander.h.duyck@...el.com>
Subject: Re: [net-next-2.6 PATCH] x86: Drop CONFIG_MCORE2 check around setting
 of	NET_IP_ALIGN

On 07/01/2010 04:28 PM, Jeff Kirsher wrote:
> 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>

Acked-by: H. Peter Anvin <hpa@...or.com>

	-hpa
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