Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756827AbcJWVeQ (ORCPT ); Sun, 23 Oct 2016 17:34:16 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:56350 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752938AbcJWVeN (ORCPT ); Sun, 23 Oct 2016 17:34:13 -0400 Date: Sun, 23 Oct 2016 17:34:12 -0400 (EDT) Message-Id: <20161023.173412.980399329363842342.davem@davemloft.net> To: avagin@openvz.org Cc: ebiederm@xmission.com, containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH net-next] net: allow to kill a task which waits net_mutex in copy_new_ns From: David Miller In-Reply-To: <1477017943-18786-1-git-send-email-avagin@openvz.org> References: <1477017943-18786-1-git-send-email-avagin@openvz.org> X-Mailer: Mew version 6.7 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Sun, 23 Oct 2016 14:34:13 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 565 Lines: 17 From: Andrei Vagin Date: Thu, 20 Oct 2016 19:45:43 -0700 > From: Andrey Vagin > > net_mutex can be locked for a long time. It may be because many > namespaces are being destroyed or many processes decide to create > a network namespace. > > Both these operations are heavy, so it is better to have an ability to > kill a process which is waiting net_mutex. > > Cc: "David S. Miller" > Cc: Eric W. Biederman > Signed-off-by: Andrei Vagin Applied, thanks.