Messages in this thread | | | Date | Mon, 19 May 2014 16:38:11 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH cgroup/for-3.16] cgroup: disallow debug controller on the default hierarchy |
| |
On Wed, May 14, 2014 at 07:33:07PM -0400, Tejun Heo wrote: > The debug controller, as its name suggests, exposes cgroup core > internals to userland to aid debugging. Unfortunately, except for the > name, there's no provision to prevent its usage in production > configurations and the controller is widely enabled and mounted > leaking internal details to userland. Like most other debug > information, the information exposed by debug isn't interesting even > for debugging itself once the related parts are working reliably. > > This controller has no reason for existing. This patch implements > cgrp_dfl_root_inhibit_ss_mask which can suppress specific subsystems > on the default hierarchy and adds the debug subsystem to it so that it > can be gradually deprecated as usages move towards the unified > hierarchy. > > Signed-off-by: Tejun Heo <tj@kernel.org>
Applied to cgroup/for-3.16.
Thanks.
-- tejun
| |