From: Tejun Heo <t...@kernel.org> Date: Tue, 5 Dec 2017 09:10:17 -0800
We haven't yet figured out what to do with RT threads on cgroup2. Document the limitation. Signed-off-by: Tejun Heo <t...@kernel.org> Reported-by: "Michael Kerrisk (man-pages)" <mtk.manpa...@gmail.com> --- Documentation/cgroup-v2.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt index 779211f..55a28f4 100644 --- a/Documentation/cgroup-v2.txt +++ b/Documentation/cgroup-v2.txt @@ -898,6 +898,10 @@ controller implements weight and absolute bandwidth limit models for normal scheduling policy and absolute bandwidth allocation model for realtime scheduling policy. +WARNING: cgroup2 doesn't yet support control of realtime processes and +the cpu controller can only be enabled when all RT processes are in +the root cgroup. + CPU Interface Files ~~~~~~~~~~~~~~~~~~~ -- 2.9.5
