From: Hagen Paul Pfeifer <hagen-GvnIQ6b/HdU@public.gmane.org>
To: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
Cc: "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Florian Weimer <fweimer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Al Viro <viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
Christian Brauner
<christian-STijNZzMWpgWenYVfaLwtA@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
Brian Gerst <brgerst-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Sami Tolvanen
<samitolvanen-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Aleksa Sarai <cyphar-gVpy/LI/lHzQT0dZR+AlfA@public.gmane.org>,
Andy Lutomirski <luto-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Oleg Nesterov <oleg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"Eric W . Biederman"
<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>,
Arnaldo Carvalho de Melo
<acme-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Sargun Dhillon <sargun-GaZTRHToo+CzQB+pC5nmwQ@public.gmane.org>,
Linux API <linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-arch <linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [RFC v2] ptrace, pidfd: add pidfd_ptrace syscall
Date: Mon, 27 Apr 2020 11:00:05 +0200 (CEST) [thread overview]
Message-ID: <2008370628.171531.1587978005102@office.mailbox.org> (raw)
In-Reply-To: <CAK8P3a1qdyw+5B-E52O42VEWvpq_6jF74__ptM+q6SoKd3pkuA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
> On April 27, 2020 10:30 AM Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org> 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
WARNING: multiple messages have this Message-ID (diff)
From: Hagen Paul Pfeifer <hagen@jauu.net>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Florian Weimer <fweimer@redhat.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <christian@brauner.io>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>, Brian Gerst <brgerst@gmail.com>,
Sami Tolvanen <samitolvanen@google.com>,
David Howells <dhowells@redhat.com>,
Aleksa Sarai <cyphar@cyphar.com>,
Andy Lutomirski <luto@kernel.org>,
Oleg Nesterov <oleg@redhat.com>,
"Eric W . Biederman" <ebiederm@xmission.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Sargun Dhillon <sargun@sargun.me>,
Linux API <linux-api@vger.kernel.org>,
linux-arch <linux-arch@vger.kernel.org>
Subject: Re: [RFC v2] ptrace, pidfd: add pidfd_ptrace syscall
Date: Mon, 27 Apr 2020 11:00:05 +0200 (CEST) [thread overview]
Message-ID: <2008370628.171531.1587978005102@office.mailbox.org> (raw)
Message-ID: <20200427090005.j828ET97Vh-cXFs9nZsqmuvnSqCVQCgYbPAGCLM6gDg@z> (raw)
In-Reply-To: <CAK8P3a1qdyw+5B-E52O42VEWvpq_6jF74__ptM+q6SoKd3pkuA@mail.gmail.com>
> On April 27, 2020 10:30 AM Arnd Bergmann <arnd@arndb.de> 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
next prev parent reply other threads:[~2020-04-27 9:00 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-26 13:01 [RFC] ptrace, pidfd: add pidfd_ptrace syscall Hagen Paul Pfeifer
2020-04-26 13:01 ` Hagen Paul Pfeifer
2020-04-26 16:34 ` [RFC v2] " Hagen Paul Pfeifer
2020-04-27 8:30 ` Arnd Bergmann
[not found] ` <CAK8P3a1qdyw+5B-E52O42VEWvpq_6jF74__ptM+q6SoKd3pkuA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2020-04-27 9:00 ` Hagen Paul Pfeifer [this message]
2020-04-27 9:00 ` Hagen Paul Pfeifer
[not found] ` <20200426163430.22743-1-hagen-GvnIQ6b/HdU@public.gmane.org>
2020-04-27 17:08 ` Christian Brauner
2020-04-27 17:08 ` Christian Brauner
2020-04-27 17:52 ` Jann Horn
2020-04-27 17:52 ` Jann Horn
2020-04-27 18:18 ` Eric W. Biederman
2020-04-27 18:18 ` Eric W. Biederman
[not found] ` <87zhawdc6w.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2020-04-27 18:59 ` Hagen Paul Pfeifer
2020-04-27 18:59 ` Hagen Paul Pfeifer
2020-04-27 20:08 ` Arnd Bergmann
2020-04-27 20:08 ` Arnd Bergmann
2020-04-27 20:13 ` Christian Brauner
2020-04-27 20:13 ` Christian Brauner
2020-04-28 0:45 ` Aleksa Sarai
2020-04-28 0:45 ` Aleksa Sarai
2020-04-28 1:36 ` Linus Torvalds
2020-04-28 1:36 ` Linus Torvalds
2020-04-28 4:17 ` Andy Lutomirski
2020-04-28 4:17 ` Andy Lutomirski
2020-04-28 4:28 ` Linus Torvalds
2020-04-28 4:28 ` Linus Torvalds
2020-04-28 6:39 ` Hagen Paul Pfeifer
2020-04-28 6:39 ` Hagen Paul Pfeifer
2020-04-28 7:45 ` Christian Brauner
2020-04-28 7:45 ` Christian Brauner
[not found] ` <CAHk-=whQzOsh9O2uhUO2VETD+hrzjKMpEJpzoUby5QHMcvgPKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2020-04-28 8:21 ` Christian Brauner
2020-04-28 8:21 ` Christian Brauner
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