From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [net-2.6 PATCH] e1000: fix screaming IRQ Date: Sun, 21 Nov 2010 09:54:35 -0800 (PST) Message-ID: <20101121.095435.193722509.davem@davemloft.net> References: <20101121104747.17414.88773.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, bphilips@novell.com, anupamc@vmware.com, stable@kernel.org, jesse.brandeburg@intel.com To: jeffrey.t.kirsher@intel.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:33288 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755376Ab0KURyL (ORCPT ); Sun, 21 Nov 2010 12:54:11 -0500 In-Reply-To: <20101121104747.17414.88773.stgit@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: From: Jeff Kirsher Date: Sun, 21 Nov 2010 02:48:28 -0800 > From: Anupam Chanda > > 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 > CC: stable kernel > Signed-off-by: Jesse Brandeburg > Signed-off-by: Jeff Kirsher Applied.