netdev - Re: [net-2.6 PATCH 2/2] e1000: fix transmit routine exit bug

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Message-Id: <20090417.011054.228044355.davem@davemloft.net>
Date:	Fri, 17 Apr 2009 01:10:54 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com,
	jesse.brandeburg@...el.com
Subject: Re: [net-2.6 PATCH 2/2] e1000: fix transmit routine exit bug

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Thu, 16 Apr 2009 19:59:47 -0700

> If the e1000 transmit cleanup inner loop exited early, then
> cleaned might not be true.  This could cause tx hangs or other
> badness.  Use count to track the total number of descriptors
> cleaned instead of basing a tx queue restart off of a temporary
> working state variable.
> 
> This code now makes the flow the same for e1000/e1000e/igb/ixgbe
> 
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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