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[209.132.180.67]) by mx.google.com with ESMTP id f17si2994324oto.85.2019.12.19.03.32.47; Thu, 19 Dec 2019 03:33:01 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726734AbfLSLcA (ORCPT + 99 others); Thu, 19 Dec 2019 06:32:00 -0500 Received: from mout.kundenserver.de ([212.227.126.130]:34675 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726656AbfLSLcA (ORCPT ); Thu, 19 Dec 2019 06:32:00 -0500 Received: from mail-qv1-f45.google.com ([209.85.219.45]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.129]) with ESMTPSA (Nemesis) id 1MK3BO-1iOZQe2HL4-00LTop; Thu, 19 Dec 2019 12:31:58 +0100 Received: by mail-qv1-f45.google.com with SMTP id x1so2070576qvr.8; Thu, 19 Dec 2019 03:31:58 -0800 (PST) X-Gm-Message-State: APjAAAXB5bwFEkVsoGBTjHpj+xzg5RPxUdiP5nla6zzs0fjuekGPlV9G hai2CntJU9zh2fwtGQvG2nBWH+7UCkSxmNe6Gck= X-Received: by 2002:a0c:bd20:: with SMTP id m32mr7059944qvg.197.1576755117281; Thu, 19 Dec 2019 03:31:57 -0800 (PST) MIME-Version: 1.0 References: <20191218235459.GA17271@ircssh-2.c.rugged-nimbus-611.internal> <20191219103525.yqb5f4pbd2dvztkb@wittgenstein> In-Reply-To: <20191219103525.yqb5f4pbd2dvztkb@wittgenstein> From: Arnd Bergmann Date: Thu, 19 Dec 2019 12:31:41 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v4 2/5] pid: Add PIDFD_IOCTL_GETFD to fetch file descriptors from processes To: Christian Brauner Cc: Oleg Nesterov , Florian Weimer , Sargun Dhillon , "linux-kernel@vger.kernel.org" , Linux Containers , Linux API , Linux FS-devel Mailing List , Tycho Andersen , Jann Horn , Aleksa Sarai , Andy Lutomirski , Al Viro , gpascutto@mozilla.com, ealvarez@mozilla.com, jld@mozilla.com Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:8D0/OjmjTCtC8NYK8+U1DBLyqoIMcYVm1PArq4gO/MH79DtzZ2f 8lA7RWNhBh2TTbnK8V9H52IEsDqwKhUO9CUtFT3Cu7upEswQKB1R6/WiVYFe5DKqrUAoJKo F8FAMmMhTm0yAMr0RYnPlMi9qe+Pkakroh/wDwcdMwBv6828oSiT9LkwvMK2J34m+BU8ysL cu3FCoePnDNANfBDHshHw== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:WBP7hzHAu34=:Xs+OM7mXb052e96l6KaNgz 25gweXJYia1SqK5F1/aDSmux6qaCtxiw11HSujr5oudtUlCSo6rVqjDXdubzZ/WgxA9eMq4Sl NbWouEhaDbyzZ8xbMAL2MOi6HKPfUZ5BspkNMZbqQesVS90z/PqUw5oY8eY5IJASYaJHz3KMS 2hnjXXKEgjjSaQ8qnyvjxkuZF7ZbxEgJawCB30moOhKoG1WB4Xj6UvM6nzQ5TPNnhcnP7w3UY 2C+N7FsSfom3if7hArKwrI6KwkYWdQf6U7CJnYxkVcyGWnXQYJCOtjcGv+BZvvx6OHssXYB2E PaLnO0ExGYwWeN1F+fTWB01l+lTZYrWNNoPpQ8Hi3atiYTdO5NlAtoZINkebPd7zbouuNA0L8 ohhDjO9yI0hn/MYDNgl873pEnTj+AAch4CVU1nXQndlkkyWTSJUdZ110YLpHBAYaTQm9E7Lo0 NZJDK2CxrQ1T+AF1S1hmkeEUt7gbpmgazcFSPU1HNEXoS2kOhYpMJCT5Nt2ldA7wCTfPvf1wM Qt50EJEfSdwqxXNcMdf5Ws0fAnA8IZ4vImVOOkRZZJ2+4ciexgw4Skx9lTh9zxE1+vfh3Wise k9JgahkzDw47+bwDtzZWGMVVGhtM/5kw9U1FNwlVS+KVigCh5u8LyAlmYlHqtNWWofzfNbY/o XIlm4FGmxev6Dwtaz4KkevEbp1uBsLv8YBMCazOOVulnFuEoqZngmEHSMjfRbfJB/I0rbQu7o KTIdXZ1D9ftkgQG2CSiyuASJp0toJ6Go/oIlaUiU2eDMWlKF0PEVpthCkmA997kSN/znRQw6C yQbcpL+tP3aeG4UzPMiB/xchZuTlNaRd3dr9+HJ5hci0HKxLhECEuwhcIrybrg1dI+ZwwX218 dXE5VNfOpiXmkMVOoLhw== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 19, 2019 at 11:35 AM Christian Brauner wrote: > On Thu, Dec 19, 2019 at 09:03:09AM +0100, Arnd Bergmann wrote: > > On Thu, Dec 19, 2019 at 12:55 AM Sargun Dhillon wrote: > What does everyone else think? Arnd, still in favor of a syscall I take it. Yes, but I would not object the ioctl if others prefer that. Arnd