From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Wagner Subject: Re: [PATCH 1/3] netcls_cgroup: introduce netcls_mutex Date: Mon, 19 Nov 2012 15:01:52 +0100 Message-ID: <50AA3BD0.6030803@monom.org> References: <1353123062-23193-1-git-send-email-tj@kernel.org> <1353123062-23193-2-git-send-email-tj@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1353123062-23193-2-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Tejun Heo Cc: serge.hallyn-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org, ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org, nhorman-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org, tgraf-G/eBtMaohhA@public.gmane.org, davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org, lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org On 17.11.2012 04:31, Tejun Heo wrote: > Introduce netcls_mutex to synchronize modifications to > cgroup_cls_state. New cgrp now inherits classid from ->css_online() > and write_classid() updates classid while holdin netcls_mutex. > > As write_classid() doesn't propagate new configuration downwards, this > currently doesn't make any userland-visible difference, but will help > implementing proper hierarchy support. > > Signed-off-by: Tejun Heo Acked-by: Daniel Wagner From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752556Ab2KSOBz (ORCPT ); Mon, 19 Nov 2012 09:01:55 -0500 Received: from hotel311.server4you.de ([85.25.146.15]:50307 "EHLO hotel311.server4you.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751634Ab2KSOBy (ORCPT ); Mon, 19 Nov 2012 09:01:54 -0500 Message-ID: <50AA3BD0.6030803@monom.org> Date: Mon, 19 Nov 2012 15:01:52 +0100 From: Daniel Wagner User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 MIME-Version: 1.0 To: Tejun Heo CC: serge.hallyn@canonical.com, ebiederm@xmission.com, nhorman@tuxdriver.com, tgraf@suug.ch, davem@davemloft.net, lizefan@huawei.com, cgroups@vger.kernel.org, containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] netcls_cgroup: introduce netcls_mutex References: <1353123062-23193-1-git-send-email-tj@kernel.org> <1353123062-23193-2-git-send-email-tj@kernel.org> In-Reply-To: <1353123062-23193-2-git-send-email-tj@kernel.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 17.11.2012 04:31, Tejun Heo wrote: > Introduce netcls_mutex to synchronize modifications to > cgroup_cls_state. New cgrp now inherits classid from ->css_online() > and write_classid() updates classid while holdin netcls_mutex. > > As write_classid() doesn't propagate new configuration downwards, this > currently doesn't make any userland-visible difference, but will help > implementing proper hierarchy support. > > Signed-off-by: Tejun Heo Acked-by: Daniel Wagner