From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] bond_alb: do not disable BH under netpoll Date: Wed, 04 Jan 2012 13:25:10 -0500 (EST) Message-ID: <20120104.132510.1521809723158602749.davem@davemloft.net> References: <1325643618-3051-1-git-send-email-maxim.uvarov@oracle.com> <20120103.214919.346240095248499387.davem@davemloft.net> <4F040A6F.2000002@oracle.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: maxim.uvarov@oracle.com Return-path: Received: from shards.monkeyblade.net ([198.137.202.13]:51460 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754084Ab2ADSZP (ORCPT ); Wed, 4 Jan 2012 13:25:15 -0500 In-Reply-To: <4F040A6F.2000002@oracle.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Maxim Uvarov Date: Wed, 04 Jan 2012 00:14:39 -0800 > On 03.01.2012 18:49, David Miller wrote: >> From: Maxim Uvarov >> Date: Tue, 3 Jan 2012 18:20:18 -0800 >> >>> Do not disable BH if interrupts are already disabled >>> (netpoll case). >>> Signed-off-by: Maxim Uvarov >> Barf... >> >> We should never use conditional locking like this. > > > How about change spin_lock_bh to spin_lock_irqsave at this place? Then it's ambiguous whether it's a softirq safe lock or a hardirq safe one. It's just another way to make the locking inconsistent.