Commit c9bd83ab authored by Nam Cao's avatar Nam Cao Committed by Thomas Gleixner
Browse files

hrtimers: Introduce hrtimer_setup_sleeper_on_stack() 



The hrtimer_init*() API is replaced by hrtimer_setup*() variants to
initialize the timer including the callback function at once.

hrtimer_init_sleeper_on_stack() does not need user to setup the callback
function separately, so a new variant would not be strictly necessary.

Nonetheless, to keep the naming convention consistent, introduce
hrtimer_setup_sleeper_on_stack(). hrtimer_init_on_stack() will be removed
once all users are converted.

Signed-off-by: default avatarNam Cao <namcao@linutronix.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/7b5e18e6dd0ace9eaa211201528cb9dc23752454.1730386209.git.namcao@linutronix.de
parent 444cb7db

include/linux/hrtimer.h

+2 −0
Original line number Diff line number Diff line
@@ -238,6 +238,8 @@ extern void hrtimer_setup_on_stack(struct hrtimer *timer, 
extern void hrtimer_init_sleeper_on_stack(struct hrtimer_sleeper *sl,

					  clockid_t clock_id,

					  enum hrtimer_mode mode);

extern void hrtimer_setup_sleeper_on_stack(struct hrtimer_sleeper *sl, clockid_t clock_id,

					   enum hrtimer_mode mode);



#ifdef CONFIG_DEBUG_OBJECTS_TIMERS

extern void destroy_hrtimer_on_stack(struct hrtimer *timer);

kernel/time/hrtimer.c

+14 −0
Original line number Diff line number Diff line
@@ -2065,6 +2065,20 @@ void hrtimer_init_sleeper_on_stack(struct hrtimer_sleeper *sl, 
}

EXPORT_SYMBOL_GPL(hrtimer_init_sleeper_on_stack);



/**

 * hrtimer_setup_sleeper_on_stack - initialize a sleeper in stack memory

 * @sl:		sleeper to be initialized

 * @clock_id:	the clock to be used

 * @mode:	timer mode abs/rel

 */

void hrtimer_setup_sleeper_on_stack(struct hrtimer_sleeper *sl,

				    clockid_t clock_id, enum hrtimer_mode mode)

{

	debug_init_on_stack(&sl->timer, clock_id, mode);

	__hrtimer_init_sleeper(sl, clock_id, mode);

}

EXPORT_SYMBOL_GPL(hrtimer_setup_sleeper_on_stack);



int nanosleep_copyout(struct restart_block *restart, struct timespec64 *ts)

{

	switch(restart->nanosleep.type) {