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Diffstat (limited to 'arch/x86/kernel/process_64.c')
-rw-r--r--arch/x86/kernel/process_64.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 3bd7e6eebf31..64e926c89a6f 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -122,7 +122,7 @@ void cpu_idle(void)
/* endless idle loop with no priority at all */
while (1) {
- tick_nohz_stop_sched_tick(1);
+ tick_nohz_idle_enter();
while (!need_resched()) {
rmb();
@@ -139,8 +139,14 @@ void cpu_idle(void)
enter_idle();
/* Don't trace irqs off for idle */
stop_critical_timings();
+
+ /* enter_idle() needs rcu for notifiers */
+ rcu_idle_enter();
+
if (cpuidle_idle_call())
pm_idle();
+
+ rcu_idle_exit();
start_critical_timings();
/* In many cases the interrupt that ended idle
@@ -149,7 +155,7 @@ void cpu_idle(void)
__exit_idle();
}
- tick_nohz_restart_sched_tick();
+ tick_nohz_idle_exit();
preempt_enable_no_resched();
schedule();
preempt_disable();