On Thu, 30 May 2024 19:19:48 +0800, Celeste Liu wrote:
> For cgroup v1, if turned on, and there's any cgroup in the "cpu" hierarchy it
> needs an RT budget assigned, otherwise the processes in it will not be able to
> get RT at all. The problem with RT group scheduling is that it requires the
> budget assigned but there's no way we could assign a default budget, since the
> values to assign are both upper and lower time limits, are absolute, and need to
> be sum up to < 1 for each individal cgroup. That means we cannot really come up
> with values that would work by default in the general case.[1]
>
> [...]
Patch 4 applied to powerpc/next.
[4/6] powerpc: defconfig: drop RT_GROUP_SCHED=y from ppc6xx_defconfig
https://git.kernel.org/powerpc/c/2bac6caee94e25f59ee47e2d365d7e07465089ba
cheers
