Re: [PATCH 03/15] sched/isolation: Separate housekeeping types in enum hk_type

Peter Zijlstra
2026-03-25T13:59:12Z

On Wed, Mar 25, 2026 at 05:09:34PM +0800, Qiliang Yuan wrote:
> Most kernel noise types (TICK, TIMER, RCU, etc.) are currently
> aliased to a single HK_TYPE_KERNEL_NOISE enum value. This prevents
> fine-grained runtime isolation control as all masks are forced to be
> identical.
>
> Un-alias service-specific housekeeping types in enum hk_type.
>
> This separation provides the necessary granularity for DHEI subsystems
> to subscribe to and maintain independent affinity masks.

What the hell for?