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authorPaul E. McKenney <paulmck@linux.ibm.com>2018-11-07 04:13:54 +0100
committerPaul E. McKenney <paulmck@linux.ibm.com>2019-01-26 00:28:22 +0100
commitb290ebcf7bc4638b38c413f192963f4b74e45b7b (patch)
treea72f26a8450bedfd9a2dac09ea0e63b0791708f9 /kernel/sched/cpufreq_schedutil.c
parentsched: Replace call_rcu_sched() with call_rcu() (diff)
downloadlinux-b290ebcf7bc4638b38c413f192963f4b74e45b7b.tar.xz
linux-b290ebcf7bc4638b38c413f192963f4b74e45b7b.zip
sched: Replace synchronize_sched() with synchronize_rcu()
Now that synchronize_rcu() waits for preempt-disable regions of code as well as RCU read-side critical sections, synchronize_sched() can be replaced by synchronize_rcu(), in fact, synchronize_sched() is now completely equivalent to synchronize_rcu(). This commit therefore replaces synchronize_sched() with synchronize_rcu() so that synchronize_sched() can eventually be removed entirely. Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'kernel/sched/cpufreq_schedutil.c')
-rw-r--r--kernel/sched/cpufreq_schedutil.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 033ec7c45f13..2efe629425be 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -859,7 +859,7 @@ static void sugov_stop(struct cpufreq_policy *policy)
for_each_cpu(cpu, policy->cpus)
cpufreq_remove_update_util_hook(cpu);
- synchronize_sched();
+ synchronize_rcu();
if (!policy->fast_switch_enabled) {
irq_work_sync(&sg_policy->irq_work);