From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA57CC43603 for ; Sat, 14 Dec 2019 01:55:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BE0A3214AF for ; Sat, 14 Dec 2019 01:55:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="RbpjQvHh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726170AbfLNBzJ (ORCPT ); Fri, 13 Dec 2019 20:55:09 -0500 Received: from mail-ot1-f66.google.com ([209.85.210.66]:38255 "EHLO mail-ot1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726046AbfLNBzJ (ORCPT ); Fri, 13 Dec 2019 20:55:09 -0500 Received: by mail-ot1-f66.google.com with SMTP id h20so1372533otn.5 for ; Fri, 13 Dec 2019 17:55:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=cc:subject:to:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=/9YpEeanzofmVoQxxy2j4GvV/+zRrKhvyqgPGkLwDRM=; b=RbpjQvHhSViN+wMPDbq9Bl69xhlgtf/R78PD3gQlJhfYYToCT7vrraPw9vZT/61trz xLCij7vrljdZVq2d7K9DBdFw+oJzVJPsQjWldcYWwist3H/5wlS/KRobu+674Z+vD2Ea 0WP6Fmh5p1uPy/zQQEhl8GNDdswHmMDuH7oo9e2+OH1iQt4dvPUjEpXoPapaPimEGOlQ 2LZoU4ihkeuCiqDjAxXIuoQYNipm/obEblUcGzypW5SuI5ydum26lGD+GWXCLDS5t49w XiHeelBqqbvyG2Rb4m1MolArYK1QrT78LOuyjeVMLif5KtFn9cXZdMlTLQBPqkrTRjHL GkJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:cc:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=/9YpEeanzofmVoQxxy2j4GvV/+zRrKhvyqgPGkLwDRM=; b=kMeIYSkWCRjudu9fR4UZP1Huj0rHT0nL85E23HZL8WcrUKl3Om4De+M7xsBS/wWWZk bQ5MA2dI7lat4FBSY7il4J672k8dEWQUPbXDSBY0wmlr5Uzh5YitgT541vm9MlPVc1l0 v8hqBwKq1K25I+X3kBj2fJ6ldSSAnEsXslFrvgdWEarLytPWwhMhzgZUmxcBReiaBjFD MDnO/xewuyaMBlxugxJ9zdJSopkcOQFjwq9/NxA7I1SwUJDKNw3NWUvg6EtTrS9uSf4p Jtcg+vYhtF2RgFTSMPSQ95WMdzrKhdjVhF7kul1HE5dGGjaMMafMqnknQliOEe985Azj ZHFw== X-Gm-Message-State: APjAAAUcsVMZ189Pxoqjapsp243PiJhluFy2aU0syAK2gw7Uh6YsYvQq APq8NLcNi6bpfk+g4Oe8BsVEFJGRQOU= X-Google-Smtp-Source: APXvYqz9stt8BN/JTXeObeqR/Pb8qpduw8/g3RIm+bFmUpE3YZPszUwztdLmOcXBRiXWC2QQT9AHQw== X-Received: by 2002:a05:6830:2306:: with SMTP id u6mr18918236ote.78.1576288508195; Fri, 13 Dec 2019 17:55:08 -0800 (PST) Received: from ?IPv6:2600:1700:dac0:2450::38? ([2600:1700:dac0:2450::38]) by smtp.gmail.com with ESMTPSA id h132sm3981137oif.44.2019.12.13.17.55.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 13 Dec 2019 17:55:07 -0800 (PST) Cc: mtk.manpages@gmail.com, linux-man@vger.kernel.org Subject: Re: [PATCH v2] clone.2: added clone3() set_tid information To: Adrian Reber , Christian Brauner References: <20191202142740.59402-1-areber@redhat.com> <20191202221452.4obywepdevq5dq2w@wittgenstein> <20191204070012.GE34164@dcbz.redhat.com> From: "Michael Kerrisk (man-pages)" Message-ID: <1dee03d2-e3f2-2f3d-f5a9-a657ce9ba85d@gmail.com> Date: Sat, 14 Dec 2019 02:55:06 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <20191204070012.GE34164@dcbz.redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-man-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org Hi Adrian, On 12/4/19 8:00 AM, Adrian Reber wrote: > On Mon, Dec 02, 2019 at 11:14:55PM +0100, Christian Brauner wrote: >> On Mon, Dec 02, 2019 at 03:27:40PM +0100, Adrian Reber wrote: >>> Signed-off-by: Adrian Reber >> >> I'm generally fine with all of this, so: >> >> Acked-by: Christian Brauner >> >> but should this maybe also mention that a pid namespace either already >> needs to have a pid 1 or if it does not the chosen pid has to be set to >> 1. In short: >> "Callers may only choose a pid > 1 in a given pid namespace if an init >> process (i.e. a process with pid 1) already exists. Otherwise the pid >> entry for this pid namespace must be 1." >> or something like this. > > I like that. I will add this to v3. Do you have that v3? Thanks, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/