From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 1/1] net: race condition when removing virtual net_device Date: Fri, 13 Sep 2013 20:16:26 -0400 (EDT) Message-ID: <20130913.201626.1381750756413200302.davem@davemloft.net> References: <1379008796-2121-1-git-send-email-fruggeri@aristanetworks.com> <87txhp249u.fsf@xmission.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: fruggeri@aristanetworks.com, edumazet@google.com, jiri@resnulli.us, alexander.h.duyck@intel.com, amwang@redhat.com, netdev@vger.kernel.org To: ebiederm@xmission.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:59822 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755513Ab3INAQ2 (ORCPT ); Fri, 13 Sep 2013 20:16:28 -0400 In-Reply-To: <87txhp249u.fsf@xmission.com> Sender: netdev-owner@vger.kernel.org List-ID: From: ebiederm@xmission.com (Eric W. Biederman) Date: Thu, 12 Sep 2013 13:06:53 -0700 > David, Eric, do any of you know why we have this netdevice notfier > rebroadcast? It's been there as long as I can remember, but I don't remember exactly why we do that. If I had to guess, it's to handle something that has to retry later due to a "spin_trylock()" or similar type of situation. Probably best to not remove it. :)