[PATCH v13 10/12] arm, tile: turn off timer tick for oneshot_stopped state

2016-07-14 Thread Chris Metcalf
When the schedule tick is disabled in tick_nohz_stop_sched_tick(), we call hrtimer_cancel(), which eventually calls down into __remove_hrtimer() and thus into hrtimer_force_reprogram(). That function's call to tick_program_event() detects that we are trying to set the expiration to KTIME_MAX and

[PATCH v13 10/12] arm, tile: turn off timer tick for oneshot_stopped state

2016-07-14 Thread Chris Metcalf
When the schedule tick is disabled in tick_nohz_stop_sched_tick(), we call hrtimer_cancel(), which eventually calls down into __remove_hrtimer() and thus into hrtimer_force_reprogram(). That function's call to tick_program_event() detects that we are trying to set the expiration to KTIME_MAX and