From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH REPOST RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them Date: Fri, 14 Sep 2012 12:15:09 -0700 Message-ID: <20120914191509.GN17747@google.com> References: <20120910223125.GC7677@google.com> <20120910223355.GD7677@google.com> <20120911100433.GC8058@dhcp22.suse.cz> <5050568B.9090601@parallels.com> <20120912154907.GW21579@dhcp22.suse.cz> <20120912171120.GP7677@google.com> <20120913121438.GC8055@dhcp22.suse.cz> <20120913171832.GY7677@google.com> <20120913173958.GA21381@dhcp22.suse.cz> <5052E87A.1050405@parallels.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <5052E87A.1050405-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Glauber Costa Cc: Neil Horman , "Serge E. Hallyn" , containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Michal Hocko , Paul Mackerras , "Aneesh Kumar K.V" , Arnaldo Carvalho de Melo , Johannes Weiner , Thomas Graf , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Paul Turner , Ingo Molnar , Vivek Goyal List-Id: containers.vger.kernel.org On Fri, Sep 14, 2012 at 12:19:06PM +0400, Glauber Costa wrote: > I want oppose it as well, but I believe part of this exercise is to make > the need to have hierarchy widespread. Warning on the case > 1st-level-only case helps with that, even if we make more noise than we > should. > > The reason I supported Tejun's proposal originally, is that I think that > if we make the wrong amount of noise, being wrong by a surplus is better > than being wrong by a deficit, in this case. I think both are valid points and don't think it makes a lot of difference either way. Michal being the maintainer of the code, I'm taking his approach for this one. Thanks. -- tejun