rcu: Switch urgent quiescent-state requests to rcu_data structure

This commit removes ->rcu_need_heavy_qs and ->rcu_urgent_qs from the
rcu_dynticks structure and updates the code to access them from the
rcu_data structure.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

1 files changed, 7 insertions, 7 deletions

diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index b5aeb2fe4cfe..161760957a07 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -967,17 +967,17 @@ void rcu_all_qs(void)
 {
 	unsigned long flags;
 
-	if (!raw_cpu_read(rcu_dynticks.rcu_urgent_qs))
+	if (!raw_cpu_read(rcu_data.rcu_urgent_qs))
 		return;
 	preempt_disable();
 	/* Load rcu_urgent_qs before other flags. */
-	if (!smp_load_acquire(this_cpu_ptr(&rcu_dynticks.rcu_urgent_qs))) {
+	if (!smp_load_acquire(this_cpu_ptr(&rcu_data.rcu_urgent_qs))) {
 		preempt_enable();
 		return;
 	}
-	this_cpu_write(rcu_dynticks.rcu_urgent_qs, false);
+	this_cpu_write(rcu_data.rcu_urgent_qs, false);
 	barrier(); /* Avoid RCU read-side critical sections leaking down. */
-	if (unlikely(raw_cpu_read(rcu_dynticks.rcu_need_heavy_qs))) {
+	if (unlikely(raw_cpu_read(rcu_data.rcu_need_heavy_qs))) {
 		local_irq_save(flags);
 		rcu_momentary_dyntick_idle();
 		local_irq_restore(flags);
@@ -997,10 +997,10 @@ void rcu_note_context_switch(bool preempt)
 	trace_rcu_utilization(TPS("Start context switch"));
 	rcu_qs();
 	/* Load rcu_urgent_qs before other flags. */
-	if (!smp_load_acquire(this_cpu_ptr(&rcu_dynticks.rcu_urgent_qs)))
+	if (!smp_load_acquire(this_cpu_ptr(&rcu_data.rcu_urgent_qs)))
 		goto out;
-	this_cpu_write(rcu_dynticks.rcu_urgent_qs, false);
-	if (unlikely(raw_cpu_read(rcu_dynticks.rcu_need_heavy_qs)))
+	this_cpu_write(rcu_data.rcu_urgent_qs, false);
+	if (unlikely(raw_cpu_read(rcu_data.rcu_need_heavy_qs)))
 		rcu_momentary_dyntick_idle();
 	if (!preempt)
 		rcu_tasks_qs(current);