From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753852Ab2KUB0N (ORCPT ); Tue, 20 Nov 2012 20:26:13 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:50659 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752963Ab2KUB0L (ORCPT ); Tue, 20 Nov 2012 20:26:11 -0500 X-IronPort-AV: E=Sophos;i="4.83,290,1352044800"; d="scan'208";a="6242133" Message-ID: <50AC2DAB.8010609@cn.fujitsu.com> Date: Wed, 21 Nov 2012 09:26:03 +0800 From: Gao feng User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 MIME-Version: 1.0 To: "Eric W. Biederman" CC: Linux Containers , linux-kernel@vger.kernel.org, Oleg Nesterov , Serge Hallyn , Andrew Morton Subject: Re: [PATCH 03/11] pidns: Capture the user namespace and filter ns_last_pid References: <8739097bkk.fsf@xmission.com> <1353083750-3621-1-git-send-email-ebiederm@xmission.com> <1353083750-3621-3-git-send-email-ebiederm@xmission.com> In-Reply-To: <1353083750-3621-3-git-send-email-ebiederm@xmission.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/11/21 09:25:54, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/11/21 09:25:55, Serialize complete at 2012/11/21 09:25:55 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org on 2012/11/17 00:35, Eric W. Biederman wrote: > From: "Eric W. Biederman" > > - Capture the the user namespace that creates the pid namespace > - Use that user namespace to test if it is ok to write to > /proc/sys/kernel/ns_last_pid. > > Acked-by: Serge Hallyn > Signed-off-by: "Eric W. Biederman" > --- Acked-by: Gao feng