diff options
Diffstat (limited to 'kernel/time/ntp.c')
| -rw-r--r-- | kernel/time/ntp.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index d6132cd..af8d1d4 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -10,7 +10,6 @@ #include <linux/workqueue.h> #include <linux/hrtimer.h> #include <linux/jiffies.h> -#include <linux/kthread.h> #include <linux/math64.h> #include <linux/timex.h> #include <linux/time.h> @@ -518,49 +517,10 @@ static void sync_cmos_clock(struct work_struct *work) schedule_delayed_work(&sync_cmos_work, timespec_to_jiffies(&next)); } -#ifdef CONFIG_PREEMPT_RT_FULL -/* - * RT can not call schedule_delayed_work from real interrupt context. - * Need to make a thread to do the real work. - */ -static struct task_struct *cmos_delay_thread; -static bool do_cmos_delay; - -static int run_cmos_delay(void *ignore) -{ - while (!kthread_should_stop()) { - set_current_state(TASK_INTERRUPTIBLE); - if (do_cmos_delay) { - do_cmos_delay = false; - schedule_delayed_work(&sync_cmos_work, 0); - } - schedule(); - } - __set_current_state(TASK_RUNNING); - return 0; -} - -void ntp_notify_cmos_timer(void) -{ - do_cmos_delay = true; - /* Make visible before waking up process */ - smp_wmb(); - wake_up_process(cmos_delay_thread); -} - -static __init int create_cmos_delay_thread(void) -{ - cmos_delay_thread = kthread_run(run_cmos_delay, NULL, "kcmosdelayd"); - BUG_ON(!cmos_delay_thread); - return 0; -} -early_initcall(create_cmos_delay_thread); -#else void ntp_notify_cmos_timer(void) { schedule_delayed_work(&sync_cmos_work, 0); } -#endif /* CONFIG_PREEMPT_RT_FULL */ #else void ntp_notify_cmos_timer(void) { } |