lkml.org 
[lkml]   [2014]   [May]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [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


\
 
 \ /
  Last update: 2014-05-20 00:41    [W:0.080 / U:0.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site