netdev - Re: [net-2.6 PATCH] ixgbe: fix for race with 8259(8|9) during shutdown

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Message-Id: <20100613.182126.39175323.davem@davemloft.net>
Date:	Sun, 13 Jun 2010 18:21:26 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com,
	asaitou@...rs.sourceforge.net, donald.c.skidmore@...el.com
Subject: Re: [net-2.6 PATCH] ixgbe: fix for race with 8259(8|9) during
 shutdown

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Fri, 11 Jun 2010 16:20:29 -0700

> From: Don Skidmore <donald.c.skidmore@...el.com>
> 
> There is a small window where the watchdog could be running as the
> interface is brought down on a NIC with two ports wired back to back.
> If ixgbe_update_status is then called can lead to a panic.  This patch
> allows the update to bail if we are in that condition.
> 
> This issue was orignally reported and fix proposed by Akihiko Saitou.
> 
> CC: Akihiko Saitou <asaitou@...rs.sourceforge.net>
> Signed-off-by: Don Skidmore <donald.c.skidmore@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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