From: "H. Peter Anvin" <hpa@zytor.com>
To: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org, gospo@redhat.com,
bphilips@novell.com, Andi Kleen <ak@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, Alexander Duyck <alexander.h.duyck@intel.com>
Subject: Re: [net-next-2.6 PATCH] x86: Drop CONFIG_MCORE2 check around setting of NET_IP_ALIGN
Date: Thu, 01 Jul 2010 18:15:13 -0700 [thread overview]
Message-ID: <4C2D3DA1.8040303@zytor.com> (raw)
In-Reply-To: <20100701232742.15934.49030.stgit@localhost.localdomain>
On 07/01/2010 04:28 PM, Jeff Kirsher wrote:
> From: Alexander Duyck <alexander.h.duyck@intel.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@linux.intel.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Cc: x86@kernel.org
> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
-hpa
next prev parent reply other threads:[~2010-07-02 1:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-01 23:28 [net-next-2.6 PATCH] x86: Drop CONFIG_MCORE2 check around setting of NET_IP_ALIGN Jeff Kirsher
2010-07-02 0:26 ` Stephen Hemminger
2010-07-02 1:15 ` H. Peter Anvin [this message]
2010-07-02 5:49 ` David Miller
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