From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [net-2.6 PATCH] e1000: fix bug with shared interrupt during reset Date: Tue, 27 Jan 2009 16:42:08 -0800 (PST) Message-ID: <20090127.164208.04700459.davem@davemloft.net> References: <20090127232714.24458.66863.stgit@lost.foo-projects.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, jeff@garzik.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]:43830 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751586AbZA1AmK (ORCPT ); Tue, 27 Jan 2009 19:42:10 -0500 In-Reply-To: <20090127232714.24458.66863.stgit@lost.foo-projects.org> Sender: netdev-owner@vger.kernel.org List-ID: From: Jeff Kirsher Date: Tue, 27 Jan 2009 15:27:16 -0800 > A nasty bug was found where an MTU change (or anything else that caused a > reset) could race with the interrupt code. The interrupt code was entered > by a shared interrupt during the MTU change. > > This change prevents the interrupt code from running while the driver is in > the middle of its reset path. > > Signed-off-by: Jesse Brandeburg Applied, thanks everyone.