Re: [PATCH v4 2/5] pid: Add PIDFD_IOCTL_GETFD to fetch file descriptors from processes

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To: Christian Brauner <christian.brauner@xxxxxxxxxx>
Subject: Re: [PATCH v4 2/5] pid: Add PIDFD_IOCTL_GETFD to fetch file descriptors from processes
From: Arnd Bergmann <arnd@xxxxxxxx>
Date: Thu, 19 Dec 2019 12:31:41 +0100
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>, Florian Weimer <fweimer@xxxxxxxxxx>, Sargun Dhillon <sargun@xxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Linux Containers <containers@xxxxxxxxxxxxxxxxxxxxxxxxxx>, Linux API <linux-api@xxxxxxxxxxxxxxx>, Linux FS-devel Mailing List <linux-fsdevel@xxxxxxxxxxxxxxx>, Tycho Andersen <tycho@xxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Aleksa Sarai <cyphar@xxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, gpascutto@xxxxxxxxxxx, ealvarez@xxxxxxxxxxx, jld@xxxxxxxxxxx
In-reply-to: <20191219103525.yqb5f4pbd2dvztkb@wittgenstein>

On Thu, Dec 19, 2019 at 11:35 AM Christian Brauner
<christian.brauner@xxxxxxxxxx> 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 <sargun@xxxxxxxxx> 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

References:
- [PATCH v4 2/5] pid: Add PIDFD_IOCTL_GETFD to fetch file descriptors from processes
  - From: Sargun Dhillon
- Re: [PATCH v4 2/5] pid: Add PIDFD_IOCTL_GETFD to fetch file descriptors from processes
  - From: Arnd Bergmann
- Re: [PATCH v4 2/5] pid: Add PIDFD_IOCTL_GETFD to fetch file descriptors from processes
  - From: Christian Brauner

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