From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F1FFC433F5 for ; Thu, 30 Sep 2021 01:56:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 66C39617E1 for ; Thu, 30 Sep 2021 01:56:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347742AbhI3B6C (ORCPT ); Wed, 29 Sep 2021 21:58:02 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:24155 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347699AbhI3B55 (ORCPT ); Wed, 29 Sep 2021 21:57:57 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4HKbsT4wSYz1DHPC; Thu, 30 Sep 2021 09:54:53 +0800 (CST) Received: from kwepemm600001.china.huawei.com (7.193.23.3) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Thu, 30 Sep 2021 09:56:06 +0800 Received: from [10.174.176.245] (10.174.176.245) by kwepemm600001.china.huawei.com (7.193.23.3) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Thu, 30 Sep 2021 09:56:04 +0800 Subject: Re: [PATCH net 2/2] auth_gss: Fix deadlock that blocks rpcsec_gss_exit_net when use-gss-proxy==1 To: "bfields@fieldses.org" CC: Trond Myklebust , "neilb@suse.com" , "jakub.kicinski@netronome.com" , "willy@infradead.org" , "tyhicks@canonical.com" , "davem@davemloft.net" , "nicolas.dichtel@6wind.com" , "linux-kernel@vger.kernel.org" , "edumazet@google.com" , "jlayton@kernel.org" , "ast@kernel.org" , "christian.brauner@ubuntu.com" , "chuck.lever@oracle.com" , "linux-nfs@vger.kernel.org" , "viro@zeniv.linux.org.uk" , "anna.schumaker@netapp.com" , "tom@talpey.com" , "kuba@kernel.org" , "cong.wang@bytedance.com" , "dsahern@gmail.com" , "timo@rothenpieler.org" , "jiang.wang@bytedance.com" , "kuniyu@amazon.co.jp" , "netdev@vger.kernel.org" , "Rao.Shoaib@oracle.com" , "wenbin.zeng@gmail.com" , "kolga@netapp.com" References: <20210928031440.2222303-1-wanghai38@huawei.com> <20210928031440.2222303-3-wanghai38@huawei.com> <20210928134952.GA25415@fieldses.org> <77051a059fa19a7ae2390fbda7f8ab6f09514dfc.camel@hammerspace.com> <20210928141718.GC25415@fieldses.org> <20210928145747.GD25415@fieldses.org> <8b0e774bdb534c69b0612103acbe61c628fde9b1.camel@hammerspace.com> <20210928154300.GE25415@fieldses.org> <20210929211211.GC20707@fieldses.org> From: "wanghai (M)" Message-ID: Date: Thu, 30 Sep 2021 09:56:03 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20210929211211.GC20707@fieldses.org> Content-Type: text/plain; charset="gbk"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.174.176.245] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm600001.china.huawei.com (7.193.23.3) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org ÔÚ 2021/9/30 5:12, bfields@fieldses.org дµÀ: > On Tue, Sep 28, 2021 at 11:43:00AM -0400, bfields@fieldses.org wrote: >> On Tue, Sep 28, 2021 at 03:36:58PM +0000, Trond Myklebust wrote: >>> What is the use case here? Starting the gssd daemon or knfsd in >>> separate chrooted environments? We already know that they have to be >>> started in the same net namespace, which pretty much ensures it has to >>> be the same container. >> Somehow I forgot that knfsd startup is happening in some real process's >> context too (not just a kthread). >> >> OK, great, I agree, that sounds like it should work. > Wang Hai, do you want to try that, or should I? > > --b. > . Thank you, of course with great pleasure. I tried the solution suggested by Myklebust yesterday, but I can't seem to get this done very well. It would be a great pleasure for me if you could help to finish it. I can help test it after you finish it. -- Wang Hai >