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From: Vivek Goyal <vgoyal@redhat.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Simo Sorce <ssorce@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	cgroups@vger.kernel.org,
	Network Development <netdev@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Tejun Heo <tj@kernel.org>,
	jkaluza@redhat.com, lpoetter@redhat.com, kay@redhat.com
Subject: Re: [PATCH 2/2] net: Implement SO_PEERCGROUP
Date: Thu, 13 Mar 2014 15:53:49 -0400	[thread overview]
Message-ID: <20140313195349.GM18914@redhat.com> (raw)
In-Reply-To: <CALCETrXWzja6W6y=p9MrtynGZMsrD5KQu0KBK6Bs1dQxnesv2A@mail.gmail.com>

On Thu, Mar 13, 2014 at 10:55:16AM -0700, Andy Lutomirski wrote:

[..]
> >> 2. Docker is a container system, so use the "container" (aka
> >> namespace) APIs.  There are probably several clever things that could
> >> be done with /proc/<pid>/ns.
> >
> > pid is racy, if it weren't I would simply go straight
> > to /proc/<pid>/cgroups ...
> 
> How about:
> 
> open("/proc/self/ns/ipc", O_RDONLY);
> send the result over SCM_RIGHTS?

As I don't know I will ask. So what will server now do with this file
descriptor of client's ipc namespace.

IOW, what information/identifier does it contain which can be
used to map to pre-configrued per container/per namespace policies.

Thanks
Vivek

  parent reply	other threads:[~2014-03-13 19:53 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-12 20:46 [PATCH 0/2][V2] net: Implement SO_PEERCGROUP to get cgroup of peer Vivek Goyal
2014-03-12 20:46 ` [PATCH 1/2] cgroup: Provide empty definition of task_cgroup_path() Vivek Goyal
2014-03-12 20:46 ` [PATCH 2/2] net: Implement SO_PEERCGROUP Vivek Goyal
2014-03-12 20:58   ` Cong Wang
2014-03-13 13:48     ` Vivek Goyal
2014-03-12 21:00   ` Andy Lutomirski
2014-03-12 21:12     ` Andy Lutomirski
2014-03-12 21:16       ` Simo Sorce
2014-03-12 21:19         ` Andy Lutomirski
2014-03-13  1:17           ` Simo Sorce
2014-03-13  1:21             ` Andy Lutomirski
2014-03-13  1:43               ` Simo Sorce
2014-03-13  2:12                 ` Andy Lutomirski
2014-03-13 14:27                   ` Vivek Goyal
2014-03-14 23:54                     ` Eric W. Biederman
2014-03-13 17:51                   ` Simo Sorce
2014-03-13 17:55                     ` Andy Lutomirski
2014-03-13 17:57                       ` Simo Sorce
2014-03-13 18:03                         ` Andy Lutomirski
2014-03-13 17:58                       ` Simo Sorce
2014-03-13 18:01                         ` Andy Lutomirski
2014-03-13 18:05                         ` Tim Hockin
2014-03-13 19:53                       ` Vivek Goyal [this message]
2014-03-13 19:58                         ` Andy Lutomirski
2014-03-13 20:06                           ` Vivek Goyal
2014-03-13 20:17                             ` Vivek Goyal
2014-03-13 20:19                               ` Vivek Goyal
2014-03-13 21:21                             ` Andy Lutomirski
2014-03-14 23:49                             ` Eric W. Biederman
2014-03-13 18:02                     ` Vivek Goyal
2014-03-13 14:14       ` Vivek Goyal
2014-03-13 14:55         ` Simo Sorce
2014-03-13 15:00           ` Vivek Goyal
2014-03-13 16:33             ` Simo Sorce
2014-03-13 17:25               ` Andy Lutomirski
2014-03-13 17:55                 ` Simo Sorce
2014-03-13 17:56                 ` Tim Hockin
2014-03-12 20:56 ` [PATCH 0/2][V2] net: Implement SO_PEERCGROUP to get cgroup of peer Andy Lutomirski
2014-03-12 20:59   ` Simo Sorce
2014-03-12 21:09     ` Andy Lutomirski
  -- strict thread matches above, loose matches on Subject: below --
2014-03-12 18:45 [PATCH 0/2] " Vivek Goyal
2014-03-12 18:45 ` [PATCH 2/2] net: Implement SO_PEERCGROUP Vivek Goyal

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