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-rw-r--r--kernel/rcu/tree.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 40e5e3dd253e..63032e5620b9 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -644,7 +644,6 @@ static noinstr void rcu_eqs_enter(bool user)
trace_rcu_dyntick(TPS("Start"), rdp->dynticks_nesting, 0, atomic_read(&rdp->dynticks));
WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) && !user && !is_idle_task(current));
rdp = this_cpu_ptr(&rcu_data);
- do_nocb_deferred_wakeup(rdp);
rcu_prepare_for_idle();
rcu_preempt_deferred_qs(current);
@@ -672,7 +671,10 @@ static noinstr void rcu_eqs_enter(bool user)
*/
void rcu_idle_enter(void)
{
+ struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
+
lockdep_assert_irqs_disabled();
+ do_nocb_deferred_wakeup(rdp);
rcu_eqs_enter(false);
}
EXPORT_SYMBOL_GPL(rcu_idle_enter);
@@ -691,7 +693,14 @@ EXPORT_SYMBOL_GPL(rcu_idle_enter);
*/
noinstr void rcu_user_enter(void)
{
+ struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
+
lockdep_assert_irqs_disabled();
+
+ instrumentation_begin();
+ do_nocb_deferred_wakeup(rdp);
+ instrumentation_end();
+
rcu_eqs_enter(true);
}
#endif /* CONFIG_NO_HZ_FULL */