netdev - Re: [net-2.6 PATCH] e1000: fix screaming IRQ

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Message-Id: <20101121.095435.193722509.davem@davemloft.net>
Date:	Sun, 21 Nov 2010 09:54:35 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, bphilips@...ell.com,
	anupamc@...are.com, stable@...nel.org, jesse.brandeburg@...el.com
Subject: Re: [net-2.6 PATCH] e1000: fix screaming IRQ

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Sun, 21 Nov 2010 02:48:28 -0800

> From: Anupam Chanda <anupamc@...are.com>
> 
> VMWare reports that the e1000 driver has a bug when bringing down the
> interface, such that interrupts are not disabled in the hardware but the
> driver stops reporting that it consumed the interrupt.
> 
> The fix is to set the driver's "down" flag later in the routine,
> after all the timers and such have exited, preventing the interrupt
> handler from being called and exiting early without handling the
> interrupt.
> 
> CC: Anupam Chanda <anupamc@...are.com>
> CC: stable kernel <stable@...nel.org>
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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