From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Alexei Starovoitov <ast@fb.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
"David S . Miller" <davem@davemloft.net>,
Daniel Borkmann <daniel@iogearbox.net>,
David Ahern <dsa@cumulusnetworks.com>, Tejun Heo <tj@kernel.org>,
Thomas Graf <tgraf@suug.ch>,
Network Development <netdev@vger.kernel.org>
Subject: Re: [PATCH net] bpf: expose netns inode to bpf programs
Date: Fri, 3 Feb 2017 15:08:32 -0800 [thread overview]
Message-ID: <20170203230830.GC26227@ast-mbp.thefacebook.com> (raw)
In-Reply-To: <CALCETrWDxVHc4_hpjLQRj-XbvGX0+tbGZ8o388-xn6rNcQTySQ@mail.gmail.com>
On Fri, Feb 03, 2017 at 01:00:47PM -0800, Andy Lutomirski wrote:
>
> ISTM any ability to migrate namespaces and to migrate eBPF programs
> that know about namespaces needs to have the eBPF program firmly
> rooted in some namespace (or perhaps cgroup in this case) so that it
programs are already global. We cannot break that.
> can see a namespaced view of the world. For this to work, presumably
> we need to make sure that eBPF programs that are installed by programs
> that are in a container don't see traffic that isn't in that
> container.
such approach will break existing users.
next prev parent reply other threads:[~2017-02-03 23:08 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-26 3:27 [PATCH net] bpf: expose netns inode to bpf programs Alexei Starovoitov
2017-01-26 5:46 ` Eric W. Biederman
2017-01-26 6:00 ` Ying Xue
2017-01-26 6:23 ` Alexei Starovoitov
2017-01-26 16:37 ` Andy Lutomirski
2017-01-26 17:46 ` Alexei Starovoitov
2017-01-26 18:12 ` Andy Lutomirski
2017-01-26 18:32 ` Alexei Starovoitov
2017-01-26 19:07 ` Andy Lutomirski
2017-01-26 19:25 ` Alexei Starovoitov
2017-02-03 4:33 ` Eric W. Biederman
2017-02-03 6:05 ` Alexei Starovoitov
2017-02-03 10:30 ` Eric W. Biederman
2017-02-03 21:00 ` Andy Lutomirski
2017-02-03 21:06 ` Eric W. Biederman
2017-02-03 23:08 ` Alexei Starovoitov [this message]
2017-02-04 17:07 ` Andy Lutomirski
2017-02-05 3:10 ` Alexei Starovoitov
2017-02-05 3:27 ` Andy Lutomirski
2017-02-05 3:48 ` Alexei Starovoitov
2017-02-05 3:54 ` Andy Lutomirski
2017-02-05 4:37 ` Alexei Starovoitov
2017-02-05 5:05 ` Andy Lutomirski
2017-02-07 1:43 ` Alexei Starovoitov
2017-01-31 18:02 ` David Miller
2017-01-31 22:11 ` David Ahern
2017-02-03 21:56 ` Daniel Borkmann
2017-02-03 23:06 ` Alexei Starovoitov
2017-02-03 23:42 ` Daniel Borkmann
2017-02-04 1:25 ` Alexei Starovoitov
2017-02-04 17:08 ` Andy Lutomirski
2017-02-05 3:18 ` Alexei Starovoitov
2017-02-05 3:22 ` Andy Lutomirski
2017-02-05 3:35 ` Alexei Starovoitov
2017-02-05 3:49 ` Andy Lutomirski
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