From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 2.6.35] bonding: prevent netpoll over bonded interfaces Date: Mon, 28 Jun 2010 23:54:44 -0700 (PDT) Message-ID: <20100628.235444.241924787.davem@davemloft.net> References: <20100625195044.GQ7497@gospo.rdu.redhat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, amwang@redhat.com, fubar@us.ibm.com To: andy@greyhouse.net Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:48600 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752428Ab0F2Gyb (ORCPT ); Tue, 29 Jun 2010 02:54:31 -0400 In-Reply-To: <20100625195044.GQ7497@gospo.rdu.redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Andy Gospodarek Date: Fri, 25 Jun 2010 15:50:44 -0400 > > Support for netpoll over bonded interfaces was added here: > > commit f6dc31a85cd46a959bdd987adad14c3b645e03c1 > Author: WANG Cong > Date: Thu May 6 00:48:51 2010 -0700 > > bonding: make bonding support netpoll > > but it is bad enough that we should probably just disable netpoll over > bonding until some of the locking logic in the bonding driver is changed > or converted completely to RCU. Simple actions like changing the active > slave in active-backup mode will hang the box if a high enough printk > debugging level is enabled. > > Keeping the old code around will be good for anyone that wants to work > on it (and for after the RCU conversion), so I propose this small patch > rather than ripping it all out. > > Signed-off-by: Andy Gospodarek Applied, thanks a lot Andy.