Add timer_try_to_cancel() and timer_arm() callbacks to kclock which allow to make common_timer_set() usable by both hrtimer and alarmtimer based clocks. Signed-off-by: Thomas Gleixner --- include/linux/posix-timers.h | 3 +++ 1 file changed, 3 insertions(+) Index: b/include/linux/posix-timers.h =================================================================== --- a/include/linux/posix-timers.h +++ b/include/linux/posix-timers.h @@ -126,6 +126,9 @@ struct k_clock { void (*timer_rearm)(struct k_itimer *timr); int (*timer_forward)(struct k_itimer *timr, ktime_t now); ktime_t (*timer_remaining)(struct k_itimer *timr, ktime_t now); + int (*timer_try_to_cancel)(struct k_itimer *timr); + void (*timer_arm)(struct k_itimer *timr, ktime_t expires, + bool absolute, bool sigev_none); }; void run_posix_cpu_timers(struct task_struct *task);