Re: cgroups(7): documenting cgroups v2 delegation

Michael Kerrisk (man-pages)
2018-01-10T22:01:21Z

Hello Tejun,

On 01/10/2018 08:39 PM, Tejun Heo wrote:
> 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.

I'm still confused. cgroup-v2.txt documents the possibility. You
wrote that text. We just had a conversation in another thread about the
fact that cgroup.threads is delegatable. You must have thought at
least a little about this?