netdev - Re: [net-next-2.6 PATCH 1/4] e1000e: avoid polling h/w registers during link negotiation

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Message-Id: <20100621.134301.104067615.davem@davemloft.net>
Date:	Mon, 21 Jun 2010 13:43:01 -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,
	bruce.w.allan@...el.com
Subject: Re: [net-next-2.6 PATCH 1/4] e1000e: avoid polling h/w registers
 during link negotiation

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Thu, 17 Jun 2010 21:58:43 -0700

> From: Bruce Allan <bruce.w.allan@...el.com>
> 
> Avoid touching hardware registers when possible, otherwise link negotiation
> can get messed up when user-level scripts are rapidly polling the driver to
> see if/when link is up.  Use the saved link state information instead when
> possible.
> 
> Signed-off-by: Bruce Allan <bruce.w.allan@...el.com>
> Tested-by: Jeff Pieper <jeffrey.e.pieper@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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