summaryrefslogtreecommitdiffstats
path: root/kernel/time/posix-timers.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/time/posix-timers.c')
-rw-r--r--kernel/time/posix-timers.c97
1 files changed, 55 insertions, 42 deletions
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index 50a6a47020de..4d7b2ce09c27 100644
--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -130,12 +130,12 @@ static struct k_clock posix_clocks[MAX_CLOCKS];
/*
* These ones are defined below.
*/
-static int common_nsleep(const clockid_t, int flags, struct timespec *t,
+static int common_nsleep(const clockid_t, int flags, struct timespec64 *t,
struct timespec __user *rmtp);
static int common_timer_create(struct k_itimer *new_timer);
-static void common_timer_get(struct k_itimer *, struct itimerspec *);
+static void common_timer_get(struct k_itimer *, struct itimerspec64 *);
static int common_timer_set(struct k_itimer *, int,
- struct itimerspec *, struct itimerspec *);
+ struct itimerspec64 *, struct itimerspec64 *);
static int common_timer_del(struct k_itimer *timer);
static enum hrtimer_restart posix_timer_fn(struct hrtimer *data);
@@ -204,17 +204,17 @@ static inline void unlock_timer(struct k_itimer *timr, unsigned long flags)
}
/* Get clock_realtime */
-static int posix_clock_realtime_get(clockid_t which_clock, struct timespec *tp)
+static int posix_clock_realtime_get(clockid_t which_clock, struct timespec64 *tp)
{
- ktime_get_real_ts(tp);
+ ktime_get_real_ts64(tp);
return 0;
}
/* Set clock_realtime */
static int posix_clock_realtime_set(const clockid_t which_clock,
- const struct timespec *tp)
+ const struct timespec64 *tp)
{
- return do_sys_settimeofday(tp, NULL);
+ return do_sys_settimeofday64(tp, NULL);
}
static int posix_clock_realtime_adj(const clockid_t which_clock,
@@ -226,54 +226,54 @@ static int posix_clock_realtime_adj(const clockid_t which_clock,
/*
* Get monotonic time for posix timers
*/
-static int posix_ktime_get_ts(clockid_t which_clock, struct timespec *tp)
+static int posix_ktime_get_ts(clockid_t which_clock, struct timespec64 *tp)
{
- ktime_get_ts(tp);
+ ktime_get_ts64(tp);
return 0;
}
/*
* Get monotonic-raw time for posix timers
*/
-static int posix_get_monotonic_raw(clockid_t which_clock, struct timespec *tp)
+static int posix_get_monotonic_raw(clockid_t which_clock, struct timespec64 *tp)
{
- getrawmonotonic(tp);
+ getrawmonotonic64(tp);
return 0;
}
-static int posix_get_realtime_coarse(clockid_t which_clock, struct timespec *tp)
+static int posix_get_realtime_coarse(clockid_t which_clock, struct timespec64 *tp)
{
- *tp = current_kernel_time();
+ *tp = current_kernel_time64();
return 0;
}
static int posix_get_monotonic_coarse(clockid_t which_clock,
- struct timespec *tp)
+ struct timespec64 *tp)
{
- *tp = get_monotonic_coarse();
+ *tp = get_monotonic_coarse64();
return 0;
}
-static int posix_get_coarse_res(const clockid_t which_clock, struct timespec *tp)
+static int posix_get_coarse_res(const clockid_t which_clock, struct timespec64 *tp)
{
- *tp = ktime_to_timespec(KTIME_LOW_RES);
+ *tp = ktime_to_timespec64(KTIME_LOW_RES);
return 0;
}
-static int posix_get_boottime(const clockid_t which_clock, struct timespec *tp)
+static int posix_get_boottime(const clockid_t which_clock, struct timespec64 *tp)
{
- get_monotonic_boottime(tp);
+ get_monotonic_boottime64(tp);
return 0;
}
-static int posix_get_tai(clockid_t which_clock, struct timespec *tp)
+static int posix_get_tai(clockid_t which_clock, struct timespec64 *tp)
{
- timekeeping_clocktai(tp);
+ timekeeping_clocktai64(tp);
return 0;
}
-static int posix_get_hrtimer_res(clockid_t which_clock, struct timespec *tp)
+static int posix_get_hrtimer_res(clockid_t which_clock, struct timespec64 *tp)
{
tp->tv_sec = 0;
tp->tv_nsec = hrtimer_resolution;
@@ -734,18 +734,18 @@ static struct k_itimer *__lock_timer(timer_t timer_id, unsigned long *flags)
* report.
*/
static void
-common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
+common_timer_get(struct k_itimer *timr, struct itimerspec64 *cur_setting)
{
ktime_t now, remaining, iv;
struct hrtimer *timer = &timr->it.real.timer;
- memset(cur_setting, 0, sizeof(struct itimerspec));
+ memset(cur_setting, 0, sizeof(*cur_setting));
iv = timr->it.real.interval;
/* interval timer ? */
if (iv)
- cur_setting->it_interval = ktime_to_timespec(iv);
+ cur_setting->it_interval = ktime_to_timespec64(iv);
else if (!hrtimer_active(timer) &&
(timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE)
return;
@@ -771,13 +771,14 @@ common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
if ((timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE)
cur_setting->it_value.tv_nsec = 1;
} else
- cur_setting->it_value = ktime_to_timespec(remaining);
+ cur_setting->it_value = ktime_to_timespec64(remaining);
}
/* Get the time remaining on a POSIX.1b interval timer. */
SYSCALL_DEFINE2(timer_gettime, timer_t, timer_id,
struct itimerspec __user *, setting)
{
+ struct itimerspec64 cur_setting64;
struct itimerspec cur_setting;
struct k_itimer *timr;
struct k_clock *kc;
@@ -792,10 +793,11 @@ SYSCALL_DEFINE2(timer_gettime, timer_t, timer_id,
if (WARN_ON_ONCE(!kc || !kc->timer_get))
ret = -EINVAL;
else
- kc->timer_get(timr, &cur_setting);
+ kc->timer_get(timr, &cur_setting64);
unlock_timer(timr, flags);
+ cur_setting = itimerspec64_to_itimerspec(&cur_setting64);
if (!ret && copy_to_user(setting, &cur_setting, sizeof (cur_setting)))
return -EFAULT;
@@ -831,7 +833,7 @@ SYSCALL_DEFINE1(timer_getoverrun, timer_t, timer_id)
/* timr->it_lock is taken. */
static int
common_timer_set(struct k_itimer *timr, int flags,
- struct itimerspec *new_setting, struct itimerspec *old_setting)
+ struct itimerspec64 *new_setting, struct itimerspec64 *old_setting)
{
struct hrtimer *timer = &timr->it.real.timer;
enum hrtimer_mode mode;
@@ -860,10 +862,10 @@ common_timer_set(struct k_itimer *timr, int flags,
hrtimer_init(&timr->it.real.timer, timr->it_clock, mode);
timr->it.real.timer.function = posix_timer_fn;
- hrtimer_set_expires(timer, timespec_to_ktime(new_setting->it_value));
+ hrtimer_set_expires(timer, timespec64_to_ktime(new_setting->it_value));
/* Convert interval */
- timr->it.real.interval = timespec_to_ktime(new_setting->it_interval);
+ timr->it.real.interval = timespec64_to_ktime(new_setting->it_interval);
/* SIGEV_NONE timers are not queued ! See common_timer_get */
if (((timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE)) {
@@ -883,21 +885,23 @@ SYSCALL_DEFINE4(timer_settime, timer_t, timer_id, int, flags,
const struct itimerspec __user *, new_setting,
struct itimerspec __user *, old_setting)
{
- struct k_itimer *timr;
+ struct itimerspec64 new_spec64, old_spec64;
+ struct itimerspec64 *rtn = old_setting ? &old_spec64 : NULL;
struct itimerspec new_spec, old_spec;
- int error = 0;
+ struct k_itimer *timr;
unsigned long flag;
- struct itimerspec *rtn = old_setting ? &old_spec : NULL;
struct k_clock *kc;
+ int error = 0;
if (!new_setting)
return -EINVAL;
if (copy_from_user(&new_spec, new_setting, sizeof (new_spec)))
return -EFAULT;
+ new_spec64 = itimerspec_to_itimerspec64(&new_spec);
- if (!timespec_valid(&new_spec.it_interval) ||
- !timespec_valid(&new_spec.it_value))
+ if (!timespec64_valid(&new_spec64.it_interval) ||
+ !timespec64_valid(&new_spec64.it_value))
return -EINVAL;
retry:
timr = lock_timer(timer_id, &flag);
@@ -908,7 +912,7 @@ retry:
if (WARN_ON_ONCE(!kc || !kc->timer_set))
error = -EINVAL;
else
- error = kc->timer_set(timr, flags, &new_spec, rtn);
+ error = kc->timer_set(timr, flags, &new_spec64, rtn);
unlock_timer(timr, flag);
if (error == TIMER_RETRY) {
@@ -916,6 +920,7 @@ retry:
goto retry;
}
+ old_spec = itimerspec64_to_itimerspec(&old_spec64);
if (old_setting && !error &&
copy_to_user(old_setting, &old_spec, sizeof (old_spec)))
error = -EFAULT;
@@ -1014,6 +1019,7 @@ SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock,
const struct timespec __user *, tp)
{
struct k_clock *kc = clockid_to_kclock(which_clock);
+ struct timespec64 new_tp64;
struct timespec new_tp;
if (!kc || !kc->clock_set)
@@ -1021,21 +1027,24 @@ SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock,
if (copy_from_user(&new_tp, tp, sizeof (*tp)))
return -EFAULT;
+ new_tp64 = timespec_to_timespec64(new_tp);
- return kc->clock_set(which_clock, &new_tp);
+ return kc->clock_set(which_clock, &new_tp64);
}
SYSCALL_DEFINE2(clock_gettime, const clockid_t, which_clock,
struct timespec __user *,tp)
{
struct k_clock *kc = clockid_to_kclock(which_clock);
+ struct timespec64 kernel_tp64;
struct timespec kernel_tp;
int error;
if (!kc)
return -EINVAL;
- error = kc->clock_get(which_clock, &kernel_tp);
+ error = kc->clock_get(which_clock, &kernel_tp64);
+ kernel_tp = timespec64_to_timespec(kernel_tp64);
if (!error && copy_to_user(tp, &kernel_tp, sizeof (kernel_tp)))
error = -EFAULT;
@@ -1070,13 +1079,15 @@ SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock,
struct timespec __user *, tp)
{
struct k_clock *kc = clockid_to_kclock(which_clock);
+ struct timespec64 rtn_tp64;
struct timespec rtn_tp;
int error;
if (!kc)
return -EINVAL;
- error = kc->clock_getres(which_clock, &rtn_tp);
+ error = kc->clock_getres(which_clock, &rtn_tp64);
+ rtn_tp = timespec64_to_timespec(rtn_tp64);
if (!error && tp && copy_to_user(tp, &rtn_tp, sizeof (rtn_tp)))
error = -EFAULT;
@@ -1088,7 +1099,7 @@ SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock,
* nanosleep for monotonic and realtime clocks
*/
static int common_nsleep(const clockid_t which_clock, int flags,
- struct timespec *tsave, struct timespec __user *rmtp)
+ struct timespec64 *tsave, struct timespec __user *rmtp)
{
return hrtimer_nanosleep(tsave, rmtp, flags & TIMER_ABSTIME ?
HRTIMER_MODE_ABS : HRTIMER_MODE_REL,
@@ -1100,6 +1111,7 @@ SYSCALL_DEFINE4(clock_nanosleep, const clockid_t, which_clock, int, flags,
struct timespec __user *, rmtp)
{
struct k_clock *kc = clockid_to_kclock(which_clock);
+ struct timespec64 t64;
struct timespec t;
if (!kc)
@@ -1110,10 +1122,11 @@ SYSCALL_DEFINE4(clock_nanosleep, const clockid_t, which_clock, int, flags,
if (copy_from_user(&t, rqtp, sizeof (struct timespec)))
return -EFAULT;
- if (!timespec_valid(&t))
+ t64 = timespec_to_timespec64(t);
+ if (!timespec64_valid(&t64))
return -EINVAL;
- return kc->nsleep(which_clock, flags, &t, rmtp);
+ return kc->nsleep(which_clock, flags, &t64, rmtp);
}
/*