Re: [PATCH 13/15] sched/isolation: Implement sysfs interface for dynamic housekeeping

Peter Zijlstra
2026-03-25T14:04:44Z

On Wed, Mar 25, 2026 at 05:09:44PM +0800, Qiliang Yuan wrote:
> Subsystem housekeeping masks are currently static and can only be set
> via boot-time parameters (isolcpus, nohz_full, etc.). There is no
> userspace interface to reconfigure these boundaries at runtime.
>
> Implement the DHEI sysfs interface under /sys/kernel/housekeeping.
>

Why? What was wrong with cpusets?