From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [net-2.6 PATCH] ixgbe: fix for race with 8259(8|9) during shutdown Date: Sun, 13 Jun 2010 18:21:26 -0700 (PDT) Message-ID: <20100613.182126.39175323.davem@davemloft.net> References: <20100611232029.31430.75582.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, gospo@redhat.com, asaitou@users.sourceforge.net, donald.c.skidmore@intel.com To: jeffrey.t.kirsher@intel.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:58332 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754948Ab0FNBVP (ORCPT ); Sun, 13 Jun 2010 21:21:15 -0400 In-Reply-To: <20100611232029.31430.75582.stgit@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: From: Jeff Kirsher Date: Fri, 11 Jun 2010 16:20:29 -0700 > From: Don Skidmore > > 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 > Signed-off-by: Don Skidmore > Signed-off-by: Jeff Kirsher Applied.