Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753199Ab1DCTD0 (ORCPT ); Sun, 3 Apr 2011 15:03:26 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.123]:55975 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752905Ab1DCTDZ (ORCPT ); Sun, 3 Apr 2011 15:03:25 -0400 X-Authority-Analysis: v=1.1 cv=pN6kzQkhXdmdOr6Akjoh3kGBD/S3UyPMKQp53EJY+ro= c=1 sm=0 a=wom5GMh1gUkA:10 a=qfFVHXmYx5UA:10 a=kj9zAlcOel0A:10 a=eAWTIsOZi86Vnn5xZOjC/w==:17 a=ybZZDoGAAAAA:8 a=LWrmulaFe50X_IuVwicA:9 a=CjuIK1q_8ugA:10 a=qIVjreYYsbEA:10 a=eAWTIsOZi86Vnn5xZOjC/w==:117 X-Cloudmark-Score: 0 X-Originating-IP: 70.123.154.172 Date: Sun, 3 Apr 2011 14:03:24 -0500 From: "Serge E. Hallyn" To: ntl@pobox.com Cc: linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org, Oren Laadan , Alexey Dobriyan Subject: Re: [PATCH 05/10] Core checkpoint/restart support code Message-ID: <20110403190324.GD15044@hallyn.com> References: <1298936432-29607-1-git-send-email-ntl@pobox.com> <1298936432-29607-6-git-send-email-ntl@pobox.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1298936432-29607-6-git-send-email-ntl@pobox.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 779 Lines: 18 Quoting ntl@pobox.com (ntl@pobox.com): > Only a pid namespace init task - the child process produced by a call > to clone(2) with CLONE_NEWPID - is allowed to call these. The state So you make this useful for your cases by only using this with application containers - created using lxc-execute, or, more precisely, using lxc-init as the container's init. So a container running a stock distro can't be checkpointed. Is this just to keep the patch simple for now, or is there some reason to keep this limitation in place? -serge -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/