diff --git a/kernel/sched/core.c b/kernel/sched/core.c index a5d101e8a5f2..f60117eb60fa 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5682,7 +5682,7 @@ int sched_isolate_cpu(int cpu) if (trace_sched_isolate_enabled()) start_time = sched_clock(); - lock_device_hotplug(); + cpu_maps_update_begin(); cpumask_andnot(&avail_cpus, cpu_online_mask, cpu_isolated_mask); @@ -5731,7 +5731,7 @@ int sched_isolate_cpu(int cpu) sched_update_group_capacities(cpu); out: - unlock_device_hotplug(); + cpu_maps_update_done(); trace_sched_isolate(cpu, cpumask_bits(cpu_isolated_mask)[0], start_time, 1); return ret_code; @@ -5752,8 +5752,6 @@ int sched_unisolate_cpu_unlocked(int cpu) if (trace_sched_isolate_enabled()) start_time = sched_clock(); - lock_device_hotplug_assert(); - if (!cpu_isolation_vote[cpu]) { ret_code = -EINVAL; goto out; @@ -5792,9 +5790,9 @@ int sched_unisolate_cpu(int cpu) { int ret_code; - lock_device_hotplug(); + cpu_maps_update_begin(); ret_code = sched_unisolate_cpu_unlocked(cpu); - unlock_device_hotplug(); + cpu_maps_update_done(); return ret_code; } diff --git a/kernel/sched/core_ctl.c b/kernel/sched/core_ctl.c index 9b21a09ec4ba..aac12bfc2ae6 100644 --- a/kernel/sched/core_ctl.c +++ b/kernel/sched/core_ctl.c @@ -893,14 +893,10 @@ static int __ref cpu_callback(struct notifier_block *nfb, unsigned int need; int ret = NOTIFY_OK; - /* Don't affect suspend resume */ - if (action & CPU_TASKS_FROZEN) - return NOTIFY_OK; - if (unlikely(!cluster || !cluster->inited)) return NOTIFY_OK; - switch (action) { + switch (action & ~CPU_TASKS_FROZEN) { case CPU_UP_PREPARE: /* If online state of CPU somehow got out of sync, fix it. */ @@ -1095,7 +1091,7 @@ static int __init core_ctl_init(void) cpufreq_register_notifier(&cpufreq_pol_nb, CPUFREQ_POLICY_NOTIFIER); cpufreq_register_notifier(&cpufreq_gov_nb, CPUFREQ_GOVINFO_NOTIFIER); - lock_device_hotplug(); + cpu_maps_update_begin(); for_each_online_cpu(cpu) { struct cpufreq_policy *policy; int ret; @@ -1109,7 +1105,7 @@ static int __init core_ctl_init(void) cpufreq_cpu_put(policy); } } - unlock_device_hotplug(); + cpu_maps_update_done(); initialized = true; return 0; }