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From: "Serge E. Hallyn" <serge-A9i7LUbDfNHQT0dZR+AlfA@public.gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Topi Miettinen <toiwoton-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"Serge E. Hallyn" <serge-A9i7LUbDfNHQT0dZR+AlfA@public.gmane.org>,
	lkml <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	luto-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	Kees Cook <keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	Jonathan Corbet <corbet-T1hC0tSOHrs@public.gmane.org>,
	Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>,
	Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
	Serge Hallyn
	<serge.hallyn-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>,
	James Morris
	<james.l.morris-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	David Woodhouse
	<David.Woodhouse-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Ard Biesheuvel
	<ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	"Paul E. McKenney"
	<paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
	Petr Mladek <pmladek-IBi9RG/b67k@public.gmane.org>,
	"open list:DOCUMENTATION"
	<linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"open list:CONTROL GROUP (CGROUP)"
	<cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"open list:CAPABILITIES"
	<linux-security-module-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] capabilities: add capability cgroup controller
Date: Mon, 27 Jun 2016 14:49:41 -0500	[thread overview]
Message-ID: <20160627194941.GA31843@mail.hallyn.com> (raw)
In-Reply-To: <CAOS58YM+h0w_UciXLbiJcKizPkXV66FL57LT7Mc+RRWspN+Y2Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

Quoting Tejun Heo (tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org):
> Hello,
> 
> On Mon, Jun 27, 2016 at 3:10 PM, Topi Miettinen <toiwoton-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > I'll have to study these more. But from what I saw so far, it looks to
> > me that a separate tool would be needed to read taskstats and if that
> > tool is not taken by distros, the users would not be any wiser, right?
> > With cgroup (or /proc), no new tools would be needed.
> 
> That is a factor but shouldn't be a deciding factor in designing our
> user-facing interfaces. Please also note that kernel source tree
> already has tools/ subdirectory which contains userland tools which
> are distributed along with the kernel.

And, if you take audit+cgroup approach then no tools are needed.  So long
as you can have audit print out the cgroups for a task as part of the
capability audit record.

  parent reply	other threads:[~2016-06-27 19:49 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-23 15:07 [PATCH] capabilities: add capability cgroup controller Topi Miettinen
     [not found] ` <1466694434-1420-1-git-send-email-toiwoton-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-06-23 21:03   ` Kees Cook
2016-06-23 21:38 ` Tejun Heo
2016-06-24  0:22   ` Topi Miettinen
2016-06-24 15:48     ` Tejun Heo
2016-06-24 15:59       ` Serge E. Hallyn
     [not found]         ` <20160624155916.GA8759-7LNsyQBKDXoIagZqoN9o3w@public.gmane.org>
2016-06-24 16:35           ` Tejun Heo
2016-06-24 16:59             ` Serge E. Hallyn
2016-06-24 17:21               ` Eric W. Biederman
2016-06-24 17:39                 ` Serge E. Hallyn
     [not found]                 ` <87mvmaa4f6.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2016-06-26 19:03                   ` Topi Miettinen
2016-06-28  4:57                     ` Eric W. Biederman
     [not found]                       ` <87por1syg1.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2016-07-02 11:20                         ` Topi Miettinen
2016-06-24 17:24               ` Tejun Heo
2016-06-26 19:14                 ` Topi Miettinen
2016-06-26 22:26                   ` Tejun Heo
2016-06-27 14:54                     ` Serge E. Hallyn
2016-06-27 19:10                       ` Topi Miettinen
2016-06-27 19:17                         ` Tejun Heo
     [not found]                           ` <CAOS58YM+h0w_UciXLbiJcKizPkXV66FL57LT7Mc+RRWspN+Y2Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-27 19:49                             ` Serge E. Hallyn [this message]
2016-07-03 15:08                               ` Topi Miettinen
     [not found]                                 ` <218f2bef-5e5e-89c4-154b-24dc49c82c31-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-07-03 16:13                                   ` [PATCH] capabilities: audit capability use kbuild test robot
2016-07-07  9:16                                 ` [PATCH] capabilities: add capability cgroup controller Petr Mladek
2016-07-07 20:27                                   ` Topi Miettinen
2016-07-08  9:13                                     ` Petr Mladek
2016-07-09 16:38                                       ` Topi Miettinen
2016-07-10  9:04                                       ` Topi Miettinen
2016-06-23 23:46 ` Andrew Morton
     [not found]   ` <20160623164614.cc871a52402fca6179bef246-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2016-06-24  1:14     ` Topi Miettinen
     [not found]       ` <6a129f00-dbef-9916-ffaa-792b6b413362-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-06-24  4:15         ` Andy Lutomirski
     [not found]           ` <CALCETrUBLxL116XrD6V9--H17q84KrMTYHm8UJF_kO3Reoh2pw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-25 18:00             ` Djalal Harouni

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