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cpuset: Propagate cpuset isolation update to timers through housekeeping

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Until now, cpuset would propagate isolated partition changes to
timer migration so that unbound timers don't get migrated to isolated
CPUs.

Since housekeeping now centralizes, synchronize and propagates isolation
cpumask changes, perform the work from that subsystem for consolidation
and consistency purposes.

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
This commit is contained in:
Frederic Weisbecker
2025-12-22 00:55:49 +01:00
parent 23f09dcc0a
commit f5c145ae4f
2 changed files with 4 additions and 3 deletions
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3
kernel/cgroup/cpuset.c
View File

@@ -1485,9 +1485,6 @@ static void update_isolation_cpumasks(void)
ret = housekeeping_update(isolated_cpus);
WARN_ON_ONCE(ret < 0);
ret = tmigr_isolated_exclude_cpumask(isolated_cpus);
WARN_ON_ONCE(ret < 0);
isolated_cpus_updating = false;
}

4
kernel/sched/isolation.c
View File

@@ -149,9 +149,13 @@ int housekeeping_update(struct cpumask *isol_mask)
pci_probe_flush_workqueue();
mem_cgroup_flush_workqueue();
vmstat_flush_workqueue();
err = workqueue_unbound_housekeeping_update(housekeeping_cpumask(HK_TYPE_DOMAIN));
WARN_ON_ONCE(err < 0);
err = tmigr_isolated_exclude_cpumask(isol_mask);
WARN_ON_ONCE(err < 0);
kfree(old);
return 0;