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-rw-r--r--kernel/sched/core.c7
-rw-r--r--kernel/sched/debug.c2
-rw-r--r--kernel/sched/idle.c4
3 files changed, 2 insertions, 11 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 3bdf01b494f..bc1638b3344 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4147,7 +4147,6 @@ static void __cond_resched(void)
int __sched _cond_resched(void)
{
- rcu_cond_resched();
if (should_resched()) {
__cond_resched();
return 1;
@@ -4166,18 +4165,15 @@ EXPORT_SYMBOL(_cond_resched);
*/
int __cond_resched_lock(spinlock_t *lock)
{
- bool need_rcu_resched = rcu_should_resched();
int resched = should_resched();
int ret = 0;
lockdep_assert_held(lock);
- if (spin_needbreak(lock) || resched || need_rcu_resched) {
+ if (spin_needbreak(lock) || resched) {
spin_unlock(lock);
if (resched)
__cond_resched();
- else if (unlikely(need_rcu_resched))
- rcu_resched();
else
cpu_relax();
ret = 1;
@@ -4191,7 +4187,6 @@ int __sched __cond_resched_softirq(void)
{
BUG_ON(!in_softirq());
- rcu_cond_resched(); /* BH disabled OK, just recording QSes. */
if (should_resched()) {
local_bh_enable();
__cond_resched();
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 695f9773bb6..627b3c34b82 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -608,7 +608,7 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
avg_atom = p->se.sum_exec_runtime;
if (nr_switches)
- do_div(avg_atom, nr_switches);
+ avg_atom = div64_ul(avg_atom, nr_switches);
else
avg_atom = -1LL;
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index cf009fb0bc2..658a58dc30f 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -147,8 +147,6 @@ use_default:
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &dev->cpu))
goto use_default;
- trace_cpu_idle_rcuidle(next_state, dev->cpu);
-
/*
* Enter the idle state previously returned by the governor decision.
* This function will block until an interrupt occurs and will take
@@ -156,8 +154,6 @@ use_default:
*/
entered_state = cpuidle_enter(drv, dev, next_state);
- trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, dev->cpu);
-
if (broadcast)
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &dev->cpu);