Re: [PATCH 1/2] cgroup, docs: Be explicit about independence of RT_GROUP_SCHED and non-cpu controllers

[Michal Koutný]

On Wed, Mar 05, 2025 at 01:12:43PM +0900, Shashank Balaji via B4 Relay <devnull+shashank.mahadasyam.sony.com@xxxxxxxxxx> wrote:
> From: Shashank Balaji <shashank.mahadasyam@xxxxxxxx>
> 
> The cgroup v2 cpu controller has a limitation that if
> CONFIG_RT_GROUP_SCHED is enabled, the cpu controller can be enabled only
> if all the realtime processes are in the root cgroup. The other
> controllers have no such restriction. They can be used for the resource
> control of realtime processes irrespective of whether
> CONFIG_RT_GROUP_SCHED is enabled or not.
> 
> Signed-off-by: Shashank Balaji <shashank.mahadasyam@xxxxxxxx>
> ---
>  Documentation/admin-guide/cgroup-v2.rst | 23 ++++++++++++++---------
>  1 file changed, 14 insertions(+), 9 deletions(-)
> 

Acked-by: Michal Koutný <mkoutny@xxxxxxxx>

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