netdev - Re: [NET-NEXT PATCH 1/2] igb: defeature tx head writeback

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Message-Id: <20081226.013341.00134891.davem@davemloft.net>
Date:	Fri, 26 Dec 2008 01:33:41 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, jeff@...zik.org,
	alexander.h.duyck@...el.com
Subject: Re: [NET-NEXT PATCH 1/2] igb: defeature tx head writeback

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Wed, 24 Dec 2008 14:31:42 -0800

> This patch removes tx head writeback as it was found to not provide a
> significant improvement in tx performance and on some systems has been seen
> to cause a performance degredation due to partial cache line writes.
> 
> Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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