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Re: [RFC v2 09/10] landlock: Handle cgroups

From Tejun Heo <tj@kernel.org>
Newsgroups linux.kernel
Subject Re: [RFC v2 09/10] landlock: Handle cgroups
Date 2016-08-26 15:00 +0200
Message-ID <saoTL-7aM-31@gated-at.bofh.it> (permalink)
References <sa0op-8hT-3@gated-at.bofh.it> <sa0op-8hT-1@gated-at.bofh.it> <sa0Rr-fC-5@gated-at.bofh.it> <sa48G-2d0-7@gated-at.bofh.it>
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Hello,

On Thu, Aug 25, 2016 at 04:44:13PM +0200, Mickaël Salaün wrote:
> I tested with cgroup-v2 but indeed, it seems a bit different with
> cgroup-v1 :)
> Does anyone know how to handle both cases?

If you wanna do cgroup membership test, just do cgroup v2 membership
test.  No need to introduce a new controller and possibly struct sock
association field for that.  That's what all new cgroup aware network
operations are using anyway and doesn't conflicts with whether other
controllers are v1 or v2.

For examples of using cgroup v2 membership test, please take a look at
cgroup_mt_v1().

Thanks.

-- 
tejun

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Thread

[RFC v2 09/10] landlock: Handle cgroups Mickaël Salaün <mic@digikod.net> - 2016-08-25 12:50 +0200
  Re: [RFC v2 09/10] landlock: Handle cgroups Andy Lutomirski <luto@amacapital.net> - 2016-08-25 13:20 +0200
    Re: [RFC v2 09/10] landlock: Handle cgroups Mickaël Salaün <mic@digikod.net> - 2016-08-25 16:50 +0200
      Re: [RFC v2 09/10] landlock: Handle cgroups Tejun Heo <tj@kernel.org> - 2016-08-26 15:00 +0200
      Re: [RFC v2 09/10] landlock: Handle cgroups Andy Lutomirski <luto@amacapital.net> - 2016-08-26 16:30 +0200
        Re: [RFC v2 09/10] landlock: Handle cgroups Tejun Heo <tj@kernel.org> - 2016-08-26 18:00 +0200
  Re: [RFC v2 09/10] landlock: Handle cgroups Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2016-08-26 04:30 +0200
    Re: [RFC v2 09/10] landlock: Handle cgroups Mickaël Salaün <mic@digikod.net> - 2016-08-26 17:20 +0200
      Re: [RFC v2 09/10] landlock: Handle cgroups Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2016-08-27 01:10 +0200
        Re: [RFC v2 09/10] landlock: Handle cgroups Andy Lutomirski <luto@amacapital.net> - 2016-08-27 09:40 +0200
          Re: [RFC v2 09/10] landlock: Handle cgroups Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2016-08-27 20:20 +0200
            Re: [RFC v2 09/10] landlock: Handle cgroups Andy Lutomirski <luto@amacapital.net> - 2016-08-28 10:20 +0200
        Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Mickaël Salaün <mic@digikod.net> - 2016-08-27 16:20 +0200
          Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2016-08-27 20:10 +0200
            Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Mickaël Salaün <mic@digikod.net> - 2016-08-27 21:40 +0200
              Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2016-08-27 22:50 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Mickaël Salaün <mic@digikod.net> - 2016-08-27 23:20 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Andy Lutomirski <luto@amacapital.net> - 2016-08-28 10:20 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Mickaël Salaün <mic@digikod.net> - 2016-08-28 11:50 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Andy Lutomirski <luto@amacapital.net> - 2016-08-30 21:00 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Mickaël Salaün <mic@digikod.net> - 2016-08-30 22:30 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Andy Lutomirski <luto@amacapital.net> - 2016-08-30 22:30 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Mickaël Salaün <mic@digikod.net> - 2016-08-30 22:40 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2016-08-30 23:00 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Andy Lutomirski <luto@amacapital.net> - 2016-08-30 23:50 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2016-08-31 03:40 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (performance) Andy Lutomirski <luto@amacapital.net> - 2016-08-31 05:30 +0200
        Re: [RFC v2 09/10] landlock: Handle cgroups (netfilter match) Mickaël Salaün <mic@digikod.net> - 2016-08-27 16:30 +0200
          Re: [RFC v2 09/10] landlock: Handle cgroups (netfilter match) Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2016-08-27 20:40 +0200
        Re: [RFC v2 09/10] landlock: Handle cgroups (program types) Mickaël Salaün <mic@digikod.net> - 2016-08-27 16:40 +0200
          Re: [RFC v2 09/10] landlock: Handle cgroups (program types) Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2016-08-27 20:30 +0200
            Re: [RFC v2 09/10] landlock: Handle cgroups (program types) Mickaël Salaün <mic@digikod.net> - 2016-08-27 22:00 +0200
              Re: [RFC v2 09/10] landlock: Handle cgroups (program types) Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2016-08-27 23:00 +0200
                Re: [RFC v2 09/10] landlock: Handle cgroups (program types) Mickaël Salaün <mic@digikod.net> - 2016-08-27 23:20 +0200

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