From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760311Ab2CaPqm (ORCPT ); Sat, 31 Mar 2012 11:46:42 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:56341 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760191Ab2CaPqj (ORCPT ); Sat, 31 Mar 2012 11:46:39 -0400 Date: Sat, 31 Mar 2012 19:46:25 +0400 From: Vasiliy Kulikov To: Arkadiusz =?utf-8?Q?Mi=C5=9Bkiewicz?= Cc: Andrew Morton , Valdis.Kletnieks@vt.edu, linux-kernel@vger.kernel.org, Alexey Dobriyan Subject: Re: [PATCH] proc: reset mount options after the last procfs umount Message-ID: <20120331154625.GA6241@albatros> References: <201203220903.15360.a.miskiewicz@gmail.com> <201203311619.38921.a.miskiewicz@gmail.com> <20120331152039.GA4674@albatros> <201203311731.42388.a.miskiewicz@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <201203311731.42388.a.miskiewicz@gmail.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Mar 31, 2012 at 17:31 +0200, Arkadiusz Miśkiewicz wrote: > On Saturday 31 of March 2012, Vasiliy Kulikov wrote: > > On Sat, Mar 31, 2012 at 16:19 +0200, Arkadiusz Miśkiewicz wrote: > > > "after all procs are umounted". For me such way is fine but still can > > > suprise people. > > > > > > Anyway - what's the problem with implementing support for separate > > > options for each mount point? > > > > Well, IMHO multiple procs in one pid namespace is a very strange system > > configuration. I didn't see such installations. > > I have one real world case - linux-vserver.org guests where pid namespace is > optional and usually not used. I'm a vserver noob. Does it allow using multiple containers sharing the same pid namespace? Having only a single init process? Thanks, -- Vasiliy Kulikov http://www.openwall.com - bringing security into open computing environments