diff options
| -rw-r--r-- | fs/eventpoll.c | 2 | ||||
| -rw-r--r-- | fs/select.c | 8 | ||||
| -rw-r--r-- | include/linux/freezer.h | 2 | ||||
| -rw-r--r-- | include/linux/hrtimer.h | 12 | ||||
| -rw-r--r-- | include/linux/poll.h | 2 | ||||
| -rw-r--r-- | include/linux/sched.h | 4 | ||||
| -rw-r--r-- | kernel/sys.c | 5 | ||||
| -rw-r--r-- | kernel/time/hrtimer.c | 8 | ||||
| -rw-r--r-- | kernel/time/timer.c | 4 |
9 files changed, 26 insertions, 21 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c index cde60741cad2..8a74a2a52e0f 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1616,7 +1616,7 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events, { int res = 0, eavail, timed_out = 0; unsigned long flags; - long slack = 0; + u64 slack = 0; wait_queue_t wait; ktime_t expires, *to = NULL; diff --git a/fs/select.c b/fs/select.c index 79d0d4953cad..869293988c2a 100644 --- a/fs/select.c +++ b/fs/select.c @@ -70,9 +70,9 @@ static long __estimate_accuracy(struct timespec *tv) return slack; } -long select_estimate_accuracy(struct timespec *tv) +u64 select_estimate_accuracy(struct timespec *tv) { - unsigned long ret; + u64 ret; struct timespec now; /* @@ -402,7 +402,7 @@ int do_select(int n, fd_set_bits *fds, struct timespec *end_time) struct poll_wqueues table; poll_table *wait; int retval, i, timed_out = 0; - unsigned long slack = 0; + u64 slack = 0; unsigned int busy_flag = net_busy_loop_on() ? POLL_BUSY_LOOP : 0; unsigned long busy_end = 0; @@ -784,7 +784,7 @@ static int do_poll(struct poll_list *list, struct poll_wqueues *wait, poll_table* pt = &wait->pt; ktime_t expire, *to = NULL; int timed_out = 0, count = 0; - unsigned long slack = 0; + u64 slack = 0; unsigned int busy_flag = net_busy_loop_on() ? POLL_BUSY_LOOP : 0; unsigned long busy_end = 0; diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 6b7fd9cf5ea2..dd03e837ebb7 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -231,7 +231,7 @@ static inline long freezable_schedule_timeout_killable_unsafe(long timeout) * call this with locks held. */ static inline int freezable_schedule_hrtimeout_range(ktime_t *expires, - unsigned long delta, const enum hrtimer_mode mode) + u64 delta, const enum hrtimer_mode mode) { int __retval; freezer_do_not_count(); diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 2ead22dd74a0..c98c6539e2c2 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -220,7 +220,7 @@ static inline void hrtimer_set_expires_range(struct hrtimer *timer, ktime_t time timer->node.expires = ktime_add_safe(time, delta); } -static inline void hrtimer_set_expires_range_ns(struct hrtimer *timer, ktime_t time, unsigned long delta) +static inline void hrtimer_set_expires_range_ns(struct hrtimer *timer, ktime_t time, u64 delta) { timer->_softexpires = time; timer->node.expires = ktime_add_safe(time, ns_to_ktime(delta)); @@ -378,7 +378,7 @@ static inline void destroy_hrtimer_on_stack(struct hrtimer *timer) { } /* Basic timer operations: */ extern void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim, - unsigned long range_ns, const enum hrtimer_mode mode); + u64 range_ns, const enum hrtimer_mode mode); /** * hrtimer_start - (re)start an hrtimer on the current CPU @@ -399,7 +399,7 @@ extern int hrtimer_try_to_cancel(struct hrtimer *timer); static inline void hrtimer_start_expires(struct hrtimer *timer, enum hrtimer_mode mode) { - unsigned long delta; + u64 delta; ktime_t soft, hard; soft = hrtimer_get_softexpires(timer); hard = hrtimer_get_expires(timer); @@ -477,10 +477,12 @@ extern long hrtimer_nanosleep_restart(struct restart_block *restart_block); extern void hrtimer_init_sleeper(struct hrtimer_sleeper *sl, struct task_struct *tsk); -extern int schedule_hrtimeout_range(ktime_t *expires, unsigned long delta, +extern int schedule_hrtimeout_range(ktime_t *expires, u64 delta, const enum hrtimer_mode mode); extern int schedule_hrtimeout_range_clock(ktime_t *expires, - unsigned long delta, const enum hrtimer_mode mode, int clock); + u64 delta, + const enum hrtimer_mode mode, + int clock); extern int schedule_hrtimeout(ktime_t *expires, const enum hrtimer_mode mode); /* Soft interrupt function to run the hrtimer queues: */ diff --git a/include/linux/poll.h b/include/linux/poll.h index c08386fb3e08..9fb4f40d9a26 100644 --- a/include/linux/poll.h +++ b/include/linux/poll.h @@ -96,7 +96,7 @@ extern void poll_initwait(struct poll_wqueues *pwq); extern void poll_freewait(struct poll_wqueues *pwq); extern int poll_schedule_timeout(struct poll_wqueues *pwq, int state, ktime_t *expires, unsigned long slack); -extern long select_estimate_accuracy(struct timespec *tv); +extern u64 select_estimate_accuracy(struct timespec *tv); static inline int poll_schedule(struct poll_wqueues *pwq, int state) diff --git a/include/linux/sched.h b/include/linux/sched.h index eb7f2f84009b..3284d07edec7 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1792,8 +1792,8 @@ struct task_struct { * time slack values; these are used to round up poll() and * select() etc timeout values. These are in nanoseconds. */ - unsigned long timer_slack_ns; - unsigned long default_timer_slack_ns; + u64 timer_slack_ns; + u64 default_timer_slack_ns; #ifdef CONFIG_KASAN unsigned int kasan_depth; diff --git a/kernel/sys.c b/kernel/sys.c index 78947de6f969..cf8ba545c7d3 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -2169,7 +2169,10 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3, error = perf_event_task_enable(); break; case PR_GET_TIMERSLACK: - error = current->timer_slack_ns; + if (current->timer_slack_ns > ULONG_MAX) + error = ULONG_MAX; + else + error = current->timer_slack_ns; break; case PR_SET_TIMERSLACK: if (arg2 <= 0) diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index fa909f9fd559..58a321c34cfb 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -979,7 +979,7 @@ static inline ktime_t hrtimer_update_lowres(struct hrtimer *timer, ktime_t tim, * relative (HRTIMER_MODE_REL) */ void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim, - unsigned long delta_ns, const enum hrtimer_mode mode) + u64 delta_ns, const enum hrtimer_mode mode) { struct hrtimer_clock_base *base, *new_base; unsigned long flags; @@ -1548,7 +1548,7 @@ long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp, struct restart_block *restart; struct hrtimer_sleeper t; int ret = 0; - unsigned long slack; + u64 slack; slack = current->timer_slack_ns; if (dl_task(current) || rt_task(current)) @@ -1724,7 +1724,7 @@ void __init hrtimers_init(void) * @clock: timer clock, CLOCK_MONOTONIC or CLOCK_REALTIME */ int __sched -schedule_hrtimeout_range_clock(ktime_t *expires, unsigned long delta, +schedule_hrtimeout_range_clock(ktime_t *expires, u64 delta, const enum hrtimer_mode mode, int clock) { struct hrtimer_sleeper t; @@ -1792,7 +1792,7 @@ schedule_hrtimeout_range_clock(ktime_t *expires, unsigned long delta, * * Returns 0 when the timer has expired otherwise -EINTR */ -int __sched schedule_hrtimeout_range(ktime_t *expires, unsigned long delta, +int __sched schedule_hrtimeout_range(ktime_t *expires, u64 delta, const enum hrtimer_mode mode) { return schedule_hrtimeout_range_clock(expires, delta, mode, diff --git a/kernel/time/timer.c b/kernel/time/timer.c index bbc5d1114583..d1798fa0c743 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -1698,10 +1698,10 @@ EXPORT_SYMBOL(msleep_interruptible); static void __sched do_usleep_range(unsigned long min, unsigned long max) { ktime_t kmin; - unsigned long delta; + u64 delta; kmin = ktime_set(0, min * NSEC_PER_USEC); - delta = (max - min) * NSEC_PER_USEC; + delta = (u64)(max - min) * NSEC_PER_USEC; schedule_hrtimeout_range(&kmin, delta, HRTIMER_MODE_REL); } |