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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 BAB57C433DF for ; Fri, 29 May 2020 15:14:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9217C2073B for ; Fri, 29 May 2020 15:14:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726968AbgE2POA (ORCPT ); Fri, 29 May 2020 11:14:00 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:48225 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725901AbgE2POA (ORCPT ); Fri, 29 May 2020 11:14:00 -0400 Received: from [95.90.241.131] (helo=wittgenstein) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1jeghg-0002Po-3T; Fri, 29 May 2020 15:13:48 +0000 Date: Fri, 29 May 2020 17:13:46 +0200 From: Christian Brauner To: Adrian Reber Cc: "Michael Kerrisk (man-pages)" , Eric Biederman , Pavel Emelyanov , Oleg Nesterov , Dmitry Safonov <0x7f454c46@gmail.com>, Andrei Vagin , lkml , Mike Rapoport , Radostin Stoyanov , Arnd Bergmann , Cyrill Gorcunov , Thomas Gleixner Subject: Re: clone3: allow creation of time namespace with offset Message-ID: <20200529151346.lpciwzfscf2tknoe@wittgenstein> References: <20200317083043.226593-1-areber@redhat.com> <20200529151029.GF254677@dcbz.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200529151029.GF254677@dcbz.redhat.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 29, 2020 at 05:10:29PM +0200, Adrian Reber wrote: > On Fri, May 29, 2020 at 02:26:13PM +0200, Michael Kerrisk (man-pages) wrote: > > Hi Adrian, > > > > If there was a revision to this patch, I missed it. Is there still a > > plan to bring CLONE_NEWTIME to clone3()? > > Good that you ask. The discussion ended at the point that we do not have > a way to figure out what a syscall supports from user-space. I talked a > bit with Christian about it and he mentioned that there were some ideas > floating around how to do that. At that point it made more sense to me > to wait for such a solution to appear before continuing the clone3() > time namespace work. We need to have a little talk at ksummit about some aspects of syscall design. I'm writing something up for this. But we're not in a rush anyway, I take it. Christian