Re: [PATCH v5] cgroup: Add new capability to allow a process to migrate other tasks between cgroups

From: John Stultz
Date: Tue Dec 13 2016 - 11:27:35 EST

On Tue, Dec 13, 2016 at 1:47 AM, Michael Kerrisk (man-pages)
<mtk.manpages@xxxxxxxxx> wrote:
> On 13 December 2016 at 02:39, John Stultz <john.stultz@xxxxxxxxxx> wrote:
> So, back to the discussion of silos. I understand the argument for
> wanting a new silo. But, in that case can we at least try not to make
> it a single-use silo?
> How about CAP_CGROUP_CONTROL or some such, with the idea that this
> might be a capability that allows the holder to step outside usual
> cgroup rules? At the moment, that capability would allow only one such
> step, but maybe there would be others in the future.

This sounds reasonable to me. Tejun/Andy: Objections?