From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hagen Paul Pfeifer Subject: Re: [RFC v2] ptrace, pidfd: add pidfd_ptrace syscall Date: Mon, 27 Apr 2020 11:00:05 +0200 (CEST) Message-ID: <2008370628.171531.1587978005102@office.mailbox.org> References: <20200426130100.306246-1-hagen@jauu.net> <20200426163430.22743-1-hagen@jauu.net> Reply-To: Hagen Paul Pfeifer Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Arnd Bergmann Cc: "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.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 List-Id: linux-arch.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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 Date: Mon, 27 Apr 2020 11:00:05 +0200 (CEST) From: Hagen Paul Pfeifer Reply-To: Hagen Paul Pfeifer 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 Sender: linux-arch-owner@vger.kernel.org List-ID: 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: <20200427090005.j828ET97Vh-cXFs9nZsqmuvnSqCVQCgYbPAGCLM6gDg@z> > 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