From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 6/7] sfc: Fix search for flush completion events Date: Wed, 04 Mar 2009 17:55:46 -0800 (PST) Message-ID: <20090304.175546.258611888.davem@davemloft.net> References: <1236196272.3140.15.camel@achroite> <1236196875.3140.32.camel@achroite> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-net-drivers@solarflare.com To: bhutchings@solarflare.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:37455 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752954AbZCEB4B (ORCPT ); Wed, 4 Mar 2009 20:56:01 -0500 In-Reply-To: <1236196875.3140.32.camel@achroite> Sender: netdev-owner@vger.kernel.org List-ID: From: Ben Hutchings Date: Wed, 04 Mar 2009 20:01:15 +0000 > When flushing queues we disable normal interrupt and event handling and > poll event queue 0 looking for flush completions. Unfortunately the > flush event polling loop fails to move past any other type of event. > This problem has not been observed in production hardware but appears to > be a possibility. > > Signed-off-by: Ben Hutchings Applied.