Lines Matching +full:timeout +full:- +full:ms
1 // SPDX-License-Identifier: GPL-2.0
7 * 1997-01-28 Modified by Finn Arne Gangstad to make timers scale better.
9 * 1997-09-10 Updated NTP code according to technical memorandum Jan '96
11 * 1998-12-24 Fixed a xtime SMP race (we need the xtime_lock rw spinlock to
14 * 1999-03-10 Improved NTP compatibility by Ulrich Windl
15 * 2002-05-31 Move sys_sysinfo here and make its locking sane, Robert Love
16 * 2000-10-05 Implemented scalable SMP per-CPU timer handling.
33 #include <linux/posix-timers.h>
55 #include "tick-internal.h"
85 * timeout timers (networking, disk I/O ...) are canceled before expiry. If
86 * the timeout expires it indicates that normal operation is disturbed, so it
87 * does not matter much whether the timeout comes with a slight delay.
94 * capacity of the last wheel level are force expired at the maximum timeout
106 * 0 0 1 ms 0 ms - 63 ms
107 * 1 64 8 ms 64 ms - 511 ms
108 * 2 128 64 ms 512 ms - 4095 ms (512ms - ~4s)
109 * 3 192 512 ms 4096 ms - 32767 ms (~4s - ~32s)
110 * 4 256 4096 ms (~4s) 32768 ms - 262143 ms (~32s - ~4m)
111 * 5 320 32768 ms (~32s) 262144 ms - 2097151 ms (~4m - ~34m)
112 * 6 384 262144 ms (~4m) 2097152 ms - 16777215 ms (~34m - ~4h)
113 * 7 448 2097152 ms (~34m) 16777216 ms - 134217727 ms (~4h - ~1d)
114 * 8 512 16777216 ms (~4h) 134217728 ms - 1073741822 ms (~1d - ~12d)
118 * 0 0 3 ms 0 ms - 210 ms
119 * 1 64 26 ms 213 ms - 1703 ms (213ms - ~1s)
120 * 2 128 213 ms 1706 ms - 13650 ms (~1s - ~13s)
121 * 3 192 1706 ms (~1s) 13653 ms - 109223 ms (~13s - ~1m)
122 * 4 256 13653 ms (~13s) 109226 ms - 873810 ms (~1m - ~14m)
123 * 5 320 109226 ms (~1m) 873813 ms - 6990503 ms (~14m - ~1h)
124 * 6 384 873813 ms (~14m) 6990506 ms - 55924050 ms (~1h - ~15h)
125 * 7 448 6990506 ms (~1h) 55924053 ms - 447392423 ms (~15h - ~5d)
126 * 8 512 55924053 ms (~15h) 447392426 ms - 3579139406 ms (~5d - ~41d)
130 * 0 0 4 ms 0 ms - 255 ms
131 * 1 64 32 ms 256 ms - 2047 ms (256ms - ~2s)
132 * 2 128 256 ms 2048 ms - 16383 ms (~2s - ~16s)
133 * 3 192 2048 ms (~2s) 16384 ms - 131071 ms (~16s - ~2m)
134 * 4 256 16384 ms (~16s) 131072 ms - 1048575 ms (~2m - ~17m)
135 * 5 320 131072 ms (~2m) 1048576 ms - 8388607 ms (~17m - ~2h)
136 * 6 384 1048576 ms (~17m) 8388608 ms - 67108863 ms (~2h - ~18h)
137 * 7 448 8388608 ms (~2h) 67108864 ms - 536870911 ms (~18h - ~6d)
138 * 8 512 67108864 ms (~18h) 536870912 ms - 4294967288 ms (~6d - ~49d)
142 * 0 0 10 ms 0 ms - 630 ms
143 * 1 64 80 ms 640 ms - 5110 ms (640ms - ~5s)
144 * 2 128 640 ms 5120 ms - 40950 ms (~5s - ~40s)
145 * 3 192 5120 ms (~5s) 40960 ms - 327670 ms (~40s - ~5m)
146 * 4 256 40960 ms (~40s) 327680 ms - 2621430 ms (~5m - ~43m)
147 * 5 320 327680 ms (~5m) 2621440 ms - 20971510 ms (~43m - ~5h)
148 * 6 384 2621440 ms (~43m) 20971520 ms - 167772150 ms (~5h - ~1d)
149 * 7 448 20971520 ms (~5h) 167772160 ms - 1342177270 ms (~1d - ~15d)
155 #define LVL_CLK_MASK (LVL_CLK_DIV - 1)
164 #define LVL_START(n) ((LVL_SIZE - 1) << (((n) - 1) * LVL_CLK_SHIFT))
169 #define LVL_MASK (LVL_SIZE - 1)
181 #define WHEEL_TIMEOUT_MAX (WHEEL_TIMEOUT_CUTOFF - LVL_GRAN(LVL_DEPTH - 1))
324 j = j - rem; in round_jiffies_common()
326 j = j - rem + HZ; in round_jiffies_common()
329 j -= cpu * 3; in round_jiffies_common()
339 * __round_jiffies - function to round jiffies to a full second
341 * @cpu: the processor number on which the timeout will happen
365 * __round_jiffies_relative - function to round jiffies to a full second
367 * @cpu: the processor number on which the timeout will happen
389 return round_jiffies_common(j + j0, cpu, false) - j0; in __round_jiffies_relative()
394 * round_jiffies - function to round jiffies to a full second
415 * round_jiffies_relative - function to round jiffies to a full second
436 * __round_jiffies_up - function to round jiffies up to a full second
438 * @cpu: the processor number on which the timeout will happen
452 * __round_jiffies_up_relative - function to round jiffies up to a full second
454 * @cpu: the processor number on which the timeout will happen
466 return round_jiffies_common(j + j0, cpu, true) - j0; in __round_jiffies_up_relative()
471 * round_jiffies_up - function to round jiffies up to a full second
486 * round_jiffies_up_relative - function to round jiffies up to a full second
503 return (timer->flags & TIMER_ARRAYMASK) >> TIMER_ARRAYSHIFT; in timer_get_idx()
508 timer->flags = (timer->flags & ~TIMER_ARRAYMASK) | in timer_set_idx()
523 * - Timer is armed at the edge of a tick in calc_index()
524 * - Truncation of the expiry time in the outer wheel levels in calc_index()
536 unsigned long delta = expires - clk; in calc_wheel_index()
566 idx = calc_index(expires, LVL_DEPTH - 1, bucket_expiry); in calc_wheel_index()
581 if (!is_timers_nohz_active() || timer->flags & TIMER_DEFERRABLE) in trigger_dyntick_cpu()
587 * then it can't set base->is_idle as we hold the base lock: in trigger_dyntick_cpu()
589 if (base->is_idle) in trigger_dyntick_cpu()
590 wake_up_nohz_cpu(base->cpu); in trigger_dyntick_cpu()
602 hlist_add_head(&timer->entry, base->vectors + idx); in enqueue_timer()
603 __set_bit(idx, base->pending_map); in enqueue_timer()
611 * (bucket_expiry) instead of timer->expires. in enqueue_timer()
613 if (time_before(bucket_expiry, base->next_expiry)) { in enqueue_timer()
618 base->next_expiry = bucket_expiry; in enqueue_timer()
619 base->timers_pending = true; in enqueue_timer()
620 base->next_expiry_recalc = false; in enqueue_timer()
630 idx = calc_wheel_index(timer->expires, base->clk, &bucket_expiry); in internal_add_timer()
646 .offset = offsetof(container, hintfn) - \
663 if (timer_hints[i].function == timer->function) { in timer_debug_hint()
670 return timer->function; in timer_debug_hint()
677 return (timer->entry.pprev == NULL && in timer_is_static_object()
678 timer->entry.next == TIMER_ENTRY_STATIC); in timer_is_static_object()
683 * - an active object is initialized
707 * - an active object is activated
708 * - an unknown non-static object is activated
729 * - an active object is freed
747 * - an untracked/uninit-ed object is found
842 timer->entry.pprev = NULL; in do_init_timer()
843 timer->function = func; in do_init_timer()
846 timer->flags = flags | raw_smp_processor_id(); in do_init_timer()
847 lockdep_init_map(&timer->lockdep_map, name, key, 0); in do_init_timer()
851 * init_timer_key - initialize a timer
873 struct hlist_node *entry = &timer->entry; in detach_timer()
879 entry->pprev = NULL; in detach_timer()
880 entry->next = LIST_POISON2; in detach_timer()
891 if (hlist_is_singular_node(&timer->entry, base->vectors + idx)) { in detach_if_pending()
892 __clear_bit(idx, base->pending_map); in detach_if_pending()
893 base->next_expiry_recalc = true; in detach_if_pending()
947 * @basej is past base->clk otherwise we might rewind base->clk. in __forward_timer_base()
949 if (time_before_eq(basej, base->clk)) in __forward_timer_base()
956 if (time_after(base->next_expiry, basej)) { in __forward_timer_base()
957 base->clk = basej; in __forward_timer_base()
959 if (WARN_ON_ONCE(time_before(base->next_expiry, base->clk))) in __forward_timer_base()
961 base->clk = base->next_expiry; in __forward_timer_base()
977 * be found in the base->vectors array.
984 __acquires(timer->base->lock) in lock_timer_base()
992 * might re-read @tf between the check for TIMER_MIGRATING in lock_timer_base()
995 tf = READ_ONCE(timer->flags); in lock_timer_base()
999 raw_spin_lock_irqsave(&base->lock, *flags); in lock_timer_base()
1000 if (timer->flags == tf) in lock_timer_base()
1002 raw_spin_unlock_irqrestore(&base->lock, *flags); in lock_timer_base()
1023 * This is a common optimization triggered by the networking code - if in __mod_timer()
1024 * the timer is re-modified to have the same timeout or ends up in the in __mod_timer()
1033 long diff = timer->expires - expires; in __mod_timer()
1052 if (!timer->function) in __mod_timer()
1058 time_before_eq(timer->expires, expires)) { in __mod_timer()
1063 clk = base->clk; in __mod_timer()
1073 timer->expires = expires; in __mod_timer()
1074 else if (time_after(timer->expires, expires)) in __mod_timer()
1075 timer->expires = expires; in __mod_timer()
1086 if (!timer->function) in __mod_timer()
1096 new_base = get_target_base(base, timer->flags); in __mod_timer()
1106 if (likely(base->running_timer != timer)) { in __mod_timer()
1108 timer->flags |= TIMER_MIGRATING; in __mod_timer()
1110 raw_spin_unlock(&base->lock); in __mod_timer()
1112 raw_spin_lock(&base->lock); in __mod_timer()
1113 WRITE_ONCE(timer->flags, in __mod_timer()
1114 (timer->flags & ~TIMER_BASEMASK) | base->cpu); in __mod_timer()
1121 timer->expires = expires; in __mod_timer()
1128 if (idx != UINT_MAX && clk == base->clk) in __mod_timer()
1134 raw_spin_unlock_irqrestore(&base->lock, flags); in __mod_timer()
1140 * mod_timer_pending - Modify a pending timer's timeout
1142 * @expires: New absolute timeout in jiffies
1147 * If @timer->function == NULL then the start operation is silently
1151 * * %0 - The timer was inactive and not modified or was in
1153 * * %1 - The timer was active and requeued to expire at @expires
1162 * mod_timer - Modify a timer's timeout
1164 * @expires: New absolute timeout in jiffies
1168 * del_timer(timer); timer->expires = expires; add_timer(timer);
1175 * same timer, then mod_timer() is the only safe way to modify the timeout,
1178 * If @timer->function == NULL then the start operation is silently
1182 * * %0 - The timer was inactive and started or was in shutdown
1184 * * %1 - The timer was active and requeued to expire at @expires or
1195 * timer_reduce - Modify a timer's timeout if it would reduce the timeout
1197 * @expires: New absolute timeout in jiffies
1203 * If @timer->function == NULL then the start operation is silently
1207 * * %0 - The timer was inactive and started or was in shutdown
1209 * * %1 - The timer was active and requeued to expire at @expires or
1221 * add_timer - Start a timer
1224 * Start @timer to expire at @timer->expires in the future. @timer->expires
1226 * timer->function(timer) will be invoked from soft interrupt context.
1228 * The @timer->expires and @timer->function fields must be set prior
1231 * If @timer->function == NULL then the start operation is silently
1234 * If @timer->expires is already in the past @timer will be queued to
1244 __mod_timer(timer, timer->expires, MOD_TIMER_NOTPENDING); in add_timer()
1249 * add_timer_on - Start a timer on a particular CPU
1267 new_base = get_timer_cpu_base(timer->flags, cpu); in add_timer_on()
1279 if (!timer->function) in add_timer_on()
1283 timer->flags |= TIMER_MIGRATING; in add_timer_on()
1285 raw_spin_unlock(&base->lock); in add_timer_on()
1287 raw_spin_lock(&base->lock); in add_timer_on()
1288 WRITE_ONCE(timer->flags, in add_timer_on()
1289 (timer->flags & ~TIMER_BASEMASK) | cpu); in add_timer_on()
1296 raw_spin_unlock_irqrestore(&base->lock, flags); in add_timer_on()
1301 * __timer_delete - Internal function: Deactivate a timer
1306 * If @shutdown is true then @timer->function is set to NULL under the
1312 * * %0 - The timer was not pending
1313 * * %1 - The timer was pending and deactivated
1329 * timer->function == NULL in the expiry code. in __timer_delete()
1331 * If timer->function is currently executed, then this makes sure in __timer_delete()
1338 timer->function = NULL; in __timer_delete()
1339 raw_spin_unlock_irqrestore(&base->lock, flags); in __timer_delete()
1346 * timer_delete - Deactivate a timer
1356 * * %0 - The timer was not pending
1357 * * %1 - The timer was pending and deactivated
1366 * timer_shutdown - Deactivate a timer and prevent rearming
1377 * * %0 - The timer was not pending
1378 * * %1 - The timer was pending
1387 * __try_to_del_timer_sync - Internal function: Try to deactivate a timer
1392 * If @shutdown is true then @timer->function is set to NULL under the
1402 * * %0 - The timer was not pending
1403 * * %1 - The timer was pending and deactivated
1404 * * %-1 - The timer callback function is running on a different CPU
1410 int ret = -1; in __try_to_del_timer_sync()
1416 if (base->running_timer != timer) in __try_to_del_timer_sync()
1419 timer->function = NULL; in __try_to_del_timer_sync()
1421 raw_spin_unlock_irqrestore(&base->lock, flags); in __try_to_del_timer_sync()
1427 * try_to_del_timer_sync - Try to deactivate a timer
1438 * * %0 - The timer was not pending
1439 * * %1 - The timer was pending and deactivated
1440 * * %-1 - The timer callback function is running on a different CPU
1451 spin_lock_init(&base->expiry_lock); in timer_base_init_expiry_lock()
1456 spin_lock(&base->expiry_lock); in timer_base_lock_expiry()
1461 spin_unlock(&base->expiry_lock); in timer_base_unlock_expiry()
1467 * If there is a waiter for base->expiry_lock, then it was waiting for the
1473 if (atomic_read(&base->timer_waiters)) { in timer_sync_wait_running()
1474 raw_spin_unlock_irq(&base->lock); in timer_sync_wait_running()
1475 spin_unlock(&base->expiry_lock); in timer_sync_wait_running()
1476 spin_lock(&base->expiry_lock); in timer_sync_wait_running()
1477 raw_spin_lock_irq(&base->lock); in timer_sync_wait_running()
1495 tf = READ_ONCE(timer->flags); in del_timer_wait_running()
1507 atomic_inc(&base->timer_waiters); in del_timer_wait_running()
1508 spin_lock_bh(&base->expiry_lock); in del_timer_wait_running()
1509 atomic_dec(&base->timer_waiters); in del_timer_wait_running()
1510 spin_unlock_bh(&base->expiry_lock); in del_timer_wait_running()
1522 * __timer_delete_sync - Internal function: Deactivate a timer and wait
1525 * @shutdown: If true, @timer->function will be set to NULL under the
1532 * If @shutdown is set then @timer->function is set to NULL under timer
1540 * * %0 - The timer was not pending
1541 * * %1 - The timer was pending and deactivated
1555 lock_map_acquire(&timer->lockdep_map); in __timer_delete_sync()
1556 lock_map_release(&timer->lockdep_map); in __timer_delete_sync()
1563 WARN_ON(in_hardirq() && !(timer->flags & TIMER_IRQSAFE)); in __timer_delete_sync()
1569 if (IS_ENABLED(CONFIG_PREEMPT_RT) && !(timer->flags & TIMER_IRQSAFE)) in __timer_delete_sync()
1585 * timer_delete_sync - Deactivate a timer and wait for the handler to finish.
1600 * ---- ----
1603 * base->running_timer = mytimer;
1608 * while (base->running_timer == mytimer);
1623 * * %0 - The timer was not pending
1624 * * %1 - The timer was pending and deactivated
1633 * timer_shutdown_sync - Shutdown a timer and prevent rearming
1637 * - @timer is not queued
1638 * - The callback function of @timer is not running
1639 * - @timer cannot be enqueued again. Any attempt to rearm
1650 * code has conditionals like 'if (mything->in_shutdown)' to prevent that
1656 * timer_shutdown_sync(&mything->timer);
1657 * workqueue_destroy(&mything->workqueue);
1665 * * %0 - The timer was not pending
1666 * * %1 - The timer was pending
1686 * timer->lockdep_map, make a copy and use that here. in call_timer_fn()
1690 lockdep_copy_map(&lockdep_map, &timer->lockdep_map); in call_timer_fn()
1706 WARN_ONCE(1, "timer: %pS preempt leak: %08x -> %08x\n", in call_timer_fn()
1721 * This value is required only for tracing. base->clk was in expire_timers()
1723 * is related to the old base->clk value. in expire_timers()
1725 unsigned long baseclk = base->clk - 1; in expire_timers()
1731 timer = hlist_entry(head->first, struct timer_list, entry); in expire_timers()
1733 base->running_timer = timer; in expire_timers()
1736 fn = timer->function; in expire_timers()
1740 base->running_timer = NULL; in expire_timers()
1744 if (timer->flags & TIMER_IRQSAFE) { in expire_timers()
1745 raw_spin_unlock(&base->lock); in expire_timers()
1747 raw_spin_lock(&base->lock); in expire_timers()
1748 base->running_timer = NULL; in expire_timers()
1750 raw_spin_unlock_irq(&base->lock); in expire_timers()
1752 raw_spin_lock_irq(&base->lock); in expire_timers()
1753 base->running_timer = NULL; in expire_timers()
1762 unsigned long clk = base->clk = base->next_expiry; in collect_expired_timers()
1770 if (__test_and_clear_bit(idx, base->pending_map)) { in collect_expired_timers()
1771 vec = base->vectors + idx; in collect_expired_timers()
1795 pos = find_next_bit(base->pending_map, end, start); in next_pending_bucket()
1797 return pos - start; in next_pending_bucket()
1799 pos = find_next_bit(base->pending_map, start, offset); in next_pending_bucket()
1800 return pos < start ? pos + LVL_SIZE - start : -1; in next_pending_bucket()
1805 * hold base->lock.
1807 * Store next expiry time in base->next_expiry.
1814 next = base->clk + NEXT_TIMER_MAX_DELTA; in next_expiry_recalc()
1815 clk = base->clk; in next_expiry_recalc()
1831 if (pos <= ((LVL_CLK_DIV - lvl_clk) & LVL_CLK_MASK)) in next_expiry_recalc()
1838 * next expiring bucket in that level. base->clk is the next in next_expiry_recalc()
1875 base->next_expiry = next; in next_expiry_recalc()
1876 base->next_expiry_recalc = false; in next_expiry_recalc()
1877 base->timers_pending = !(next == base->clk + NEXT_TIMER_MAX_DELTA); in next_expiry_recalc()
1915 * get_next_timer_interrupt - return the time (clock mono) of the next timer
1936 raw_spin_lock(&base->lock); in get_next_timer_interrupt()
1937 if (base->next_expiry_recalc) in get_next_timer_interrupt()
1946 if (base->timers_pending) { in get_next_timer_interrupt()
1947 nextevt = base->next_expiry; in get_next_timer_interrupt()
1952 expires = basem + (u64)(nextevt - basej) * TICK_NSEC; in get_next_timer_interrupt()
1960 base->next_expiry = nextevt; in get_next_timer_interrupt()
1971 was_idle = base->is_idle; in get_next_timer_interrupt()
1972 base->is_idle = time_after(nextevt, basej + 1); in get_next_timer_interrupt()
1973 if (was_idle != base->is_idle) in get_next_timer_interrupt()
1974 trace_timer_base_idle(base->is_idle, base->cpu); in get_next_timer_interrupt()
1976 raw_spin_unlock(&base->lock); in get_next_timer_interrupt()
1982 * timer_clear_idle - Clear the idle state of the timer base
1996 if (base->is_idle) { in timer_clear_idle()
1997 base->is_idle = false; in timer_clear_idle()
2004 * __run_timers - run all expired timers (if any) on this CPU.
2012 if (time_before(jiffies, base->next_expiry)) in __run_timers()
2016 raw_spin_lock_irq(&base->lock); in __run_timers()
2018 while (time_after_eq(jiffies, base->clk) && in __run_timers()
2019 time_after_eq(jiffies, base->next_expiry)) { in __run_timers()
2028 WARN_ON_ONCE(!levels && !base->next_expiry_recalc in __run_timers()
2029 && base->timers_pending); in __run_timers()
2031 * While executing timers, base->clk is set 1 offset ahead of in __run_timers()
2034 base->clk++; in __run_timers()
2037 while (levels--) in __run_timers()
2040 raw_spin_unlock_irq(&base->lock); in __run_timers()
2045 * This function runs timers and the timer-tq in bottom half context.
2057 * Called by the local, per-CPU timer interrupt on SMP.
2065 if (time_before(jiffies, base->next_expiry)) { in run_local_timers()
2070 if (time_before(jiffies, base->next_expiry)) in run_local_timers()
2108 struct process_timer *timeout = from_timer(timeout, t, timer); in process_timeout() local
2110 wake_up_process(timeout->task); in process_timeout()
2114 * schedule_timeout - sleep until timeout
2115 * @timeout: timeout value in jiffies
2117 * Make the current task sleep until @timeout jiffies have elapsed.
2121 * %TASK_RUNNING - the scheduler is called, but the task does not sleep
2125 * %TASK_UNINTERRUPTIBLE - at least @timeout jiffies are guaranteed to
2129 * %TASK_INTERRUPTIBLE - the routine may return early if a signal is
2136 * Specifying a @timeout value of %MAX_SCHEDULE_TIMEOUT will schedule
2137 * the CPU away without a bound on the timeout. In this case the return
2142 * to be non-negative.
2144 signed long __sched schedule_timeout(signed long timeout) in schedule_timeout() argument
2149 switch (timeout) in schedule_timeout()
2169 if (timeout < 0) { in schedule_timeout()
2170 printk(KERN_ERR "schedule_timeout: wrong timeout " in schedule_timeout()
2171 "value %lx\n", timeout); in schedule_timeout()
2178 expire = timeout + jiffies; in schedule_timeout()
2189 timeout = expire - jiffies; in schedule_timeout()
2192 return timeout < 0 ? 0 : timeout; in schedule_timeout()
2200 signed long __sched schedule_timeout_interruptible(signed long timeout) in schedule_timeout_interruptible() argument
2203 return schedule_timeout(timeout); in schedule_timeout_interruptible()
2207 signed long __sched schedule_timeout_killable(signed long timeout) in schedule_timeout_killable() argument
2210 return schedule_timeout(timeout); in schedule_timeout_killable()
2214 signed long __sched schedule_timeout_uninterruptible(signed long timeout) in schedule_timeout_uninterruptible() argument
2217 return schedule_timeout(timeout); in schedule_timeout_uninterruptible()
2225 signed long __sched schedule_timeout_idle(signed long timeout) in schedule_timeout_idle() argument
2228 return schedule_timeout(timeout); in schedule_timeout_idle()
2236 int cpu = new_base->cpu; in migrate_timer_list()
2239 timer = hlist_entry(head->first, struct timer_list, entry); in migrate_timer_list()
2241 timer->flags = (timer->flags & ~TIMER_BASEMASK) | cpu; in migrate_timer_list()
2253 base->clk = jiffies; in timers_prepare_cpu()
2254 base->next_expiry = base->clk + NEXT_TIMER_MAX_DELTA; in timers_prepare_cpu()
2255 base->next_expiry_recalc = false; in timers_prepare_cpu()
2256 base->timers_pending = false; in timers_prepare_cpu()
2257 base->is_idle = false; in timers_prepare_cpu()
2275 raw_spin_lock_irq(&new_base->lock); in timers_dead_cpu()
2276 raw_spin_lock_nested(&old_base->lock, SINGLE_DEPTH_NESTING); in timers_dead_cpu()
2284 WARN_ON_ONCE(old_base->running_timer); in timers_dead_cpu()
2285 old_base->running_timer = NULL; in timers_dead_cpu()
2288 migrate_timer_list(new_base, old_base->vectors + i); in timers_dead_cpu()
2290 raw_spin_unlock(&old_base->lock); in timers_dead_cpu()
2291 raw_spin_unlock_irq(&new_base->lock); in timers_dead_cpu()
2306 base->cpu = cpu; in init_timer_cpu()
2307 raw_spin_lock_init(&base->lock); in init_timer_cpu()
2308 base->clk = jiffies; in init_timer_cpu()
2309 base->next_expiry = base->clk + NEXT_TIMER_MAX_DELTA; in init_timer_cpu()
2330 * msleep - sleep safely even with waitqueue interruptions
2335 unsigned long timeout = msecs_to_jiffies(msecs) + 1; in msleep() local
2337 while (timeout) in msleep()
2338 timeout = schedule_timeout_uninterruptible(timeout); in msleep()
2344 * msleep_interruptible - sleep waiting for signals
2349 unsigned long timeout = msecs_to_jiffies(msecs) + 1; in msleep_interruptible() local
2351 while (timeout && !signal_pending(current)) in msleep_interruptible()
2352 timeout = schedule_timeout_interruptible(timeout); in msleep_interruptible()
2353 return jiffies_to_msecs(timeout); in msleep_interruptible()
2359 * usleep_range_state - Sleep for an approximate time in a given state
2364 * In non-atomic context where the exact wakeup time is flexible, use
2366 * by avoiding the CPU-hogging busy-wait of udelay(), and the range reduces
2367 * power usage by allowing hrtimers to take advantage of an already-
2374 u64 delta = (u64)(max - min) * NSEC_PER_USEC; in usleep_range_state()