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-rw-r--r--kernel/sched/core.c10
-rw-r--r--kernel/sched/cpufreq_schedutil.c3
-rw-r--r--kernel/sched/fair.c2
3 files changed, 3 insertions, 12 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 803c3bc274c4..5b60f3a8343f 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5605,7 +5605,7 @@ void idle_task_exit(void)
BUG_ON(cpu_online(smp_processor_id()));
if (mm != &init_mm) {
- switch_mm_irqs_off(mm, &init_mm, current);
+ switch_mm(mm, &init_mm, current);
finish_arch_post_lock_switch();
}
mmdrop(mm);
@@ -5874,15 +5874,9 @@ int sched_cpu_deactivate(unsigned int cpu)
* users of this state to go away such that all new such users will
* observe it.
*
- * For CONFIG_PREEMPT we have preemptible RCU and its sync_rcu() might
- * not imply sync_sched(), so wait for both.
- *
* Do sync before park smpboot threads to take care the rcu boost case.
*/
- if (IS_ENABLED(CONFIG_PREEMPT))
- synchronize_rcu_mult(call_rcu, call_rcu_sched);
- else
- synchronize_rcu();
+ synchronize_rcu_mult(call_rcu, call_rcu_sched);
if (!sched_smp_initialized)
return 0;
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 622eed1b7658..076a2e31951c 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -101,9 +101,6 @@ static void sugov_update_commit(struct sugov_policy *sg_policy, u64 time,
if (sg_policy->next_freq == next_freq)
return;
- if (sg_policy->next_freq > next_freq)
- next_freq = (sg_policy->next_freq + next_freq) >> 1;
-
sg_policy->next_freq = next_freq;
sg_policy->last_freq_update_time = time;
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index d71109321841..c77e4b1d51c0 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3563,7 +3563,7 @@ static inline void check_schedstat_required(void)
trace_sched_stat_runtime_enabled()) {
printk_deferred_once("Scheduler tracepoints stat_sleep, stat_iowait, "
"stat_blocked and stat_runtime require the "
- "kernel parameter schedstats=enabled or "
+ "kernel parameter schedstats=enable or "
"kernel.sched_schedstats=1\n");
}
#endif