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 B24B5C54FD0 for ; Mon, 27 Apr 2020 09:00:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A8FE2075E for ; Mon, 27 Apr 2020 09:00:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726621AbgD0JAN (ORCPT ); Mon, 27 Apr 2020 05:00:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726504AbgD0JAN (ORCPT ); Mon, 27 Apr 2020 05:00:13 -0400 Received: from mout-p-201.mailbox.org (mout-p-201.mailbox.org [IPv6:2001:67c:2050::465:201]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0A7CC061A10; Mon, 27 Apr 2020 02:00:12 -0700 (PDT) Received: from smtp2.mailbox.org (smtp2.mailbox.org [80.241.60.241]) (using TLSv1.2 with cipher ECDHE-RSA-CHACHA20-POLY1305 (256/256 bits)) (No client certificate requested) by mout-p-201.mailbox.org (Postfix) with ESMTPS id 499dyg0GXTzQlJ3; Mon, 27 Apr 2020 11:00:11 +0200 (CEST) X-Virus-Scanned: amavisd-new at heinlein-support.de Received: from smtp2.mailbox.org ([80.241.60.241]) by spamfilter05.heinlein-hosting.de (spamfilter05.heinlein-hosting.de [80.241.56.123]) (amavisd-new, port 10030) with ESMTP id DbjYKUVnLrBu; Mon, 27 Apr 2020 11:00:07 +0200 (CEST) Date: Mon, 27 Apr 2020 11:00:05 +0200 (CEST) From: Hagen Paul Pfeifer Reply-To: Hagen Paul Pfeifer To: Arnd Bergmann Cc: "linux-kernel@vger.kernel.org" , Florian Weimer , Al Viro , Christian Brauner , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Brian Gerst , Sami Tolvanen , David Howells , Aleksa Sarai , Andy Lutomirski , Oleg Nesterov , "Eric W . Biederman" , Arnaldo Carvalho de Melo , Sargun Dhillon , Linux API , linux-arch Message-ID: <2008370628.171531.1587978005102@office.mailbox.org> In-Reply-To: References: <20200426130100.306246-1-hagen@jauu.net> <20200426163430.22743-1-hagen@jauu.net> Subject: Re: [RFC v2] ptrace, pidfd: add pidfd_ptrace syscall MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Priority: 3 Importance: Normal X-Rspamd-Queue-Id: BC5A81693 X-Rspamd-Score: 0.45 / 15.00 / 15.00 Sender: linux-api-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org > On April 27, 2020 10:30 AM Arnd Bergmann wrote: Hey Arnd > When you add a new system call, please add it to all architectures. > See the patches for the last few additions on how to do it, in > particular the bit around adding the arm64 compat entry that is > a bit tricky. Yes, the patch was intended to be as an rough (but x86_64 working) RFC patch to basically check if there is interest in it. Or whether there are fundamental reasons against pidfd_ptrace(). If not I will prepare v3 with all input, sure! Thank you Arnd Hagen