linux-kernel - Re: cgroups(7): documenting cgroups v2 delegation

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Message-ID: <20180110193907.GC3460072@devbig577.frc2.facebook.com>
Date:   Wed, 10 Jan 2018 11:39:07 -0800
From:   Tejun Heo <tj@...nel.org>
To:     "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
Cc:     "Serge E. Hallyn" <serge@...lyn.com>,
        linux-man <linux-man@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>, cgroups@...r.kernel.org,
        Roman Gushchin <guro@...com>
Subject: Re: cgroups(7): documenting cgroups v2 delegation

Hello,

On Wed, Jan 10, 2018 at 08:20:53PM +0100, Michael Kerrisk (man-pages) wrote:
> On 01/10/2018 03:26 PM, Tejun Heo wrote:
> > Hello, Michael.
> > 
> > On Tue, Jan 09, 2018 at 11:48:11PM +0100, Michael Kerrisk (man-pages) wrote:
> >>> That said, not necessarily an objection.  I'm just not sure about it.
> >>
> >> Okay. For the moment, I'll leave that text as is.
> >>
> >> I realized that there was also one more file that needs to be included
> >> in the list of files that must be delegated:
> >>
> >>        /dlgt_grp/cgroup.threads
> >>               Changing the ownership of  this  file  is  necessary  if  a
> >>               threaded subtree is being delegated (see the description of
> >>               "thread mode", below).
> >>
> >> Can you please confirm that it's only necessary to delegate this file
> >> if we are delegating a threaded subtree?
> > 
> > Replied on the other thread.  The file isn't delegatable as far as I
> > can tell.
> 
> So, following on from the discussion in the other thread, my
> question above still stands.

Oh, I frankly haven't thought about delegating a threaded subtree.

Thanks.

-- 
tejun