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[PATCH] hrtimers: remove data field

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The nanosleep cleanup allows to remove the data field of hrtimer.  The
callback function can use container_of() to get it's own data.  Since the
hrtimer structure is anyway embedded in other structures, this adds no
overhead.

Signed-off-by: Roman Zippel <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Roman Zippel 2006-03-26 01:38:12 -08:00 • committed by Linus Torvalds
commit 05cfb614dd
8 changed files with 22 additions and 27 deletions
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9
kernel/posix-timers.c
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@ -145,7 +145,7 @@ static int common_timer_set(struct k_itimer *, int,
struct itimerspec *, struct itimerspec *);
static int common_timer_del(struct k_itimer *timer);
static int posix_timer_fn(void *data);
static int posix_timer_fn(struct hrtimer *data);
static struct k_itimer *lock_timer(timer_t timer_id, unsigned long *flags);
@ -334,14 +334,14 @@ EXPORT_SYMBOL_GPL(posix_timer_event);
* This code is for CLOCK_REALTIME* and CLOCK_MONOTONIC* timers.
*/
static int posix_timer_fn(void *data)
static int posix_timer_fn(struct hrtimer *timer)
{
struct k_itimer *timr = data;
struct hrtimer *timer = &timr->it.real.timer;
struct k_itimer *timr;
unsigned long flags;
int si_private = 0;
int ret = HRTIMER_NORESTART;
timr = container_of(timer, struct k_itimer, it.real.timer);
spin_lock_irqsave(&timr->it_lock, flags);
if (timr->it.real.interval.tv64 != 0)
@ -725,7 +725,6 @@ common_timer_set(struct k_itimer *timr, int flags,
mode = flags & TIMER_ABSTIME ? HRTIMER_ABS : HRTIMER_REL;
hrtimer_init(&timr->it.real.timer, timr->it_clock, mode);
timr->it.real.timer.data = timr;
timr->it.real.timer.function = posix_timer_fn;
timer->expires = timespec_to_ktime(new_setting->it_value);