diff options
Diffstat (limited to 'kernel/cpu/idle.c')
-rw-r--r-- | kernel/cpu/idle.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/kernel/cpu/idle.c b/kernel/cpu/idle.c index 988573a..e695c0a 100644 --- a/kernel/cpu/idle.c +++ b/kernel/cpu/idle.c @@ -44,7 +44,7 @@ static inline int cpu_idle_poll(void) rcu_idle_enter(); trace_cpu_idle_rcuidle(0, smp_processor_id()); local_irq_enable(); - while (!tif_need_resched()) + while (!need_resched()) cpu_relax(); trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id()); rcu_idle_exit(); @@ -92,7 +92,8 @@ static void cpu_idle_loop(void) if (cpu_idle_force_poll || tick_check_broadcast_expired()) { cpu_idle_poll(); } else { - if (!current_clr_polling_and_test()) { + current_clr_polling(); + if (!need_resched()) { stop_critical_timings(); rcu_idle_enter(); arch_cpu_idle(); @@ -102,16 +103,9 @@ static void cpu_idle_loop(void) } else { local_irq_enable(); } - __current_set_polling(); + current_set_polling(); } arch_cpu_idle_exit(); - /* - * We need to test and propagate the TIF_NEED_RESCHED - * bit here because we might not have send the - * reschedule IPI to idle tasks. - */ - if (tif_need_resched()) - set_preempt_need_resched(); } tick_nohz_idle_exit(); schedule_preempt_disabled(); @@ -135,7 +129,7 @@ void cpu_startup_entry(enum cpuhp_state state) */ boot_init_stack_canary(); #endif - __current_set_polling(); + current_set_polling(); arch_cpu_idle_prepare(); cpu_idle_loop(); } |