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/linux/kernel/time/
H A Dsleep_timeout.c3 * Kernel internal schedule timeout and sleeping functions
25 struct process_timer *timeout = timer_container_of(timeout, t, timer); in process_timeout() local
27 wake_up_process(timeout->task); in process_timeout()
31 * schedule_timeout - sleep until timeout
32 * @timeout: timeout value in jiffies
34 * Make the current task sleep until @timeout jiffies have elapsed.
42 * %TASK_UNINTERRUPTIBLE - at least @timeout jiffies are guaranteed to
53 * Specifying a @timeout value of %MAX_SCHEDULE_TIMEOUT will schedule
54 * the CPU away without a bound on the timeout. In this case the return
61 signed long __sched schedule_timeout(signed long timeout) in schedule_timeout() argument
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/linux/kernel/sched/
H A Dcompletion.c87 long (*action)(long), long timeout, int state) in do_wait_for_common() argument
94 timeout = -ERESTARTSYS; in do_wait_for_common()
100 timeout = action(timeout); in do_wait_for_common()
102 } while (!x->done && timeout); in do_wait_for_common()
105 return timeout; in do_wait_for_common()
109 return timeout ?: 1; in do_wait_for_common()
114 long (*action)(long), long timeout, int state) in __wait_for_common() argument
121 timeout = do_wait_for_common(x, action, timeout, state); in __wait_for_common()
126 return timeout; in __wait_for_common()
130 wait_for_common(struct completion *x, long timeout, int state) in wait_for_common() argument
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/linux/net/netfilter/
H A Dnf_conntrack_timeout.c28 static int untimeout(struct nf_conn *ct, void *timeout) in untimeout() argument
35 t = rcu_access_pointer(timeout_ext->timeout); in untimeout()
37 if (!timeout || t == timeout) in untimeout()
38 RCU_INIT_POINTER(timeout_ext->timeout, NULL); in untimeout()
45 void nf_ct_untimeout(struct net *net, struct nf_ct_timeout *timeout) in nf_ct_untimeout() argument
49 .data = timeout, in nf_ct_untimeout()
56 static void __nf_ct_timeout_put(struct nf_ct_timeout *timeout) in __nf_ct_timeout_put() argument
61 h->timeout_put(timeout); in __nf_ct_timeout_put()
68 struct nf_ct_timeout *timeout; in nf_ct_set_timeout() local
77 errmsg = "Timeout policy base is empty"; in nf_ct_set_timeout()
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H A Dnfnetlink_cttimeout.c44 struct nf_ct_timeout timeout; member
54 MODULE_DESCRIPTION("cttimeout: Extended Netfilter Connection Tracking timeout tuning");
70 ctnl_timeout_parse_policy(void *timeout, in ctnl_timeout_parse_policy() argument
90 ret = l4proto->ctnl_timeout.nlattr_to_obj(tb, net, timeout); in ctnl_timeout_parse_policy()
105 struct ctnl_timeout *timeout, *matching = NULL; in cttimeout_new_timeout() local
119 list_for_each_entry(timeout, &pernet->nfct_timeout_list, head) { in cttimeout_new_timeout()
120 if (strncmp(timeout->name, name, CTNL_TIMEOUT_NAME_MAX) != 0) in cttimeout_new_timeout()
126 matching = timeout; in cttimeout_new_timeout()
132 /* You cannot replace one timeout policy by another of in cttimeout_new_timeout()
135 if (matching->timeout.l3num != l3num || in cttimeout_new_timeout()
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H A Dnf_conntrack_proto_generic.c24 unsigned int *timeout = data; in generic_timeout_nlattr_to_obj() local
26 if (!timeout) in generic_timeout_nlattr_to_obj()
27 timeout = &gn->timeout; in generic_timeout_nlattr_to_obj()
30 *timeout = in generic_timeout_nlattr_to_obj()
33 /* Set default generic timeout. */ in generic_timeout_nlattr_to_obj()
34 *timeout = gn->timeout; in generic_timeout_nlattr_to_obj()
43 const unsigned int *timeout = data; in generic_timeout_obj_to_nlattr() local
45 if (nla_put_be32(skb, CTA_TIMEOUT_GENERIC_TIMEOUT, htonl(*timeout / H in generic_timeout_obj_to_nlattr()
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/linux/io_uring/
H A Dtimeout.c14 #include "timeout.h"
32 /* timeout update */
43 struct io_timeout *timeout = io_kiocb_to_cmd(req, struct io_timeout); in io_is_timeout_noseq() local
46 return !timeout->off || data->flags & IORING_TIMEOUT_MULTISHOT; in io_is_timeout_noseq()
57 static inline bool io_timeout_finish(struct io_timeout *timeout, in io_timeout_finish() argument
63 if (!timeout->off || (timeout->repeats && --timeout->repeats)) in io_timeout_finish()
74 struct io_timeout *timeout = io_kiocb_to_cmd(req, struct io_timeout); in io_timeout_complete() local
78 if (!io_timeout_finish(timeout, data)) { in io_timeout_complete()
82 list_add(&timeout->list, ctx->timeout_list.prev); in io_timeout_complete()
98 struct io_timeout *timeout; in io_flush_killed_timeouts() local
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/linux/drivers/watchdog/
H A Dda9063_wdt.c25 * Watchdog selector to timeout in seconds.
27 * others: timeout = 2048 ms * 2^(TWDSCALE-1).
52 * Read the currently active timeout.
72 da9063_wdt_update_timeout(struct da9063 *da9063, unsigned int timeout) in da9063_wdt_update_timeout() argument
78 * The watchdog triggers a reboot if a timeout value is already in da9063_wdt_update_timeout()
79 * programmed because the timeout value combines two functions in da9063_wdt_update_timeout()
81 * The watchdog must be disabled to be able to change the timeout in da9063_wdt_update_timeout()
83 * new timeout value which enables the watchdog again. in da9063_wdt_update_timeout()
90 regval = da9063_wdt_timeout_to_sel(timeout); in da9063_wdt_update_timeout()
101 ret = da9063_wdt_update_timeout(da9063, wdd->timeout); in da9063_wdt_start()
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H A Dts4800_wdt.c36 * TS-4800 supports the following timeout values:
45 * Keep the regmap/timeout map ordered by timeout
48 const int timeout; member
79 unsigned int timeout) in ts4800_wdt_set_timeout() argument
85 if (ts4800_wdt_map[i].timeout >= timeout) in ts4800_wdt_set_timeout()
89 wdd->timeout = ts4800_wdt_map[i].timeout; in ts4800_wdt_set_timeout()
151 wdd->min_timeout = ts4800_wdt_map[0].timeout; in ts4800_wdt_probe()
152 wdd->max_timeout = ts4800_wdt_map[MAX_TIMEOUT_INDEX].timeout; in ts4800_wdt_probe()
160 * must be called to initialize timeout and feed_val with valid values. in ts4800_wdt_probe()
161 * Default to maximum timeout if none, or an invalid one, is provided in in ts4800_wdt_probe()
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H A Dkempld_wdt.c8 * Note: From the PLD watchdog point of view timeout and pretimeout are
10 * First the pretimeout stage runs out before the timeout stage gets
14 * |-----------------------T timeout
84 static unsigned int timeout = DEFAULT_TIMEOUT; variable
85 module_param(timeout, uint, 0);
86 MODULE_PARM_DESC(timeout,
87 "Watchdog timeout in seconds. (>=0, default="
130 unsigned int timeout) in kempld_wdt_set_stage_timeout() argument
144 stage_timeout64 = (u64)timeout * pld->pld_clock; in kempld_wdt_set_stage_timeout()
173 unsigned int timeout; in kempld_wdt_get_timeout() local
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H A Dsmsc37b787_wdt.c33 * reset the system (causing a reboot) after the timeout occurs.
77 static int timeout = 60; /* timeout value: default is 60 "units" */ variable
190 * Bit 0 Status Bit: 0 = Timer counting, 1 = Timeout occurred in wdt_timer_ctrl()
192 * Bit 2 Force Timeout: 1 = Forces WD timeout event (self-cleaning) in wdt_timer_ctrl()
193 * Bit 3 P20 Force Timeout enabled: in wdt_timer_ctrl()
194 * 0 = P20 activity does not generate the WD timeout event in wdt_timer_ctrl()
196 * controller, to force the WD timeout event. in wdt_timer_ctrl()
225 /* disable the timeout */ in wb_smsc_wdt_initialize()
264 /* disable timeout */ in wb_smsc_wdt_shutdown()
271 /* set timeout => enable watchdog */
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H A Dmarvell_gti_wdt.c18 * This will generate the interrupt to arm core whenever timeout happens.
21 * This will generate interrupt to arm core on 1st timeout happens
22 * This will generate interrupt to SCP processor on 2nd timeout happens
25 * This will generate interrupt to arm core on 1st timeout happens
26 * Will generate interrupt to SCP processor on 2nd timeout happens,
28 * Reboot on 3rd timeout.
32 * effectively 2nd timeout is ignored within hardware.
34 * First timeout is effectively watchdog pretimeout.
152 unsigned int timeout) in gti_wdt_settimeout() argument
157 /* Update new timeout */ in gti_wdt_settimeout()
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H A Dsl28cpld_wdt.c36 static int timeout; variable
37 module_param(timeout, int, 0);
38 MODULE_PARM_DESC(timeout, "Initial watchdog timeout in seconds");
92 unsigned int timeout) in sl28cpld_wdt_set_timeout() argument
97 ret = regmap_write(wdt->regmap, wdt->offset + WDT_TIMEOUT, timeout); in sl28cpld_wdt_set_timeout()
101 wdd->timeout = timeout; in sl28cpld_wdt_set_timeout()
144 "kontron,assert-wdt-timeout-pin"); in sl28cpld_wdt_probe()
166 * Initial timeout value, may be overwritten by device tree or module in sl28cpld_wdt_probe()
172 * this case gracefully and set out own timeout. in sl28cpld_wdt_probe()
179 wdd->timeout = val; in sl28cpld_wdt_probe()
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H A Ddw_wdt.c7 * in the many subsystems. The watchdog has 16 different timeout periods
51 /* There are sixteen TOPs (timeout periods) that can be set in the watchdog. */
93 u32 timeout; member
123 unsigned int timeout, u32 *top_val) in dw_wdt_find_best_top() argument
128 * Find a TOP with timeout greater or equal to the requested number. in dw_wdt_find_best_top()
129 * Note we'll select a TOP with maximum timeout if the requested in dw_wdt_find_best_top()
130 * timeout couldn't be reached. in dw_wdt_find_best_top()
133 if (dw_wdt->timeouts[idx].sec >= timeout) in dw_wdt_find_best_top()
150 * We'll find a timeout greater or equal to one second anyway because in dw_wdt_get_min_timeout()
163 struct dw_wdt_timeout *timeout = &dw_wdt->timeouts[DW_WDT_NUM_TOPS - 1]; in dw_wdt_get_max_timeout_ms() local
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H A Dsun4v_wdt.c27 static unsigned int timeout; variable
28 module_param(timeout, uint, 0);
29 MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds (default="
49 * HV watchdog timer will round up the timeout in sun4v_wdt_ping()
53 hverr = sun4v_mach_set_watchdog(wdd->timeout * 1000, NULL); in sun4v_wdt_ping()
61 unsigned int timeout) in sun4v_wdt_set_timeout() argument
63 wdd->timeout = timeout; in sun4v_wdt_set_timeout()
89 .timeout = WDT_TIMEOUT,
104 * watchdog-max-timeout in sun4v_wdt_init()
135 value = mdesc_get_property(handle, node, "watchdog-max-timeout", NULL); in sun4v_wdt_init()
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H A Dvisconti_wdt.c43 u32 timeout = wdev->timeout * VISCONTI_WDT_FREQ; in visconti_wdt_start() local
47 writel(timeout, priv->base + WDT_MAX); in visconti_wdt_start()
76 u32 timeout = wdev->timeout * VISCONTI_WDT_FREQ; in visconti_wdt_get_timeleft() local
79 if (timeout <= cnt) in visconti_wdt_get_timeleft()
81 timeout -= cnt; in visconti_wdt_get_timeleft()
83 return timeout / VISCONTI_WDT_FREQ; in visconti_wdt_get_timeleft()
86 static int visconti_wdt_set_timeout(struct watchdog_device *wdev, unsigned int timeout) in visconti_wdt_set_timeout() argument
91 wdev->timeout = timeout; in visconti_wdt_set_timeout()
92 val = wdev->timeout * VISCONTI_WDT_FREQ; in visconti_wdt_set_timeout()
94 /* Clear counter before setting timeout because WDT expires */ in visconti_wdt_set_timeout()
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/linux/block/
H A Dblk-timeout.c3 * Functions related to generic timeout handling of requests.
75 * request by deleting the timer and calling the q's timeout function.
76 * LLDDs who implement their own error recovery MAY ignore the timeout
82 * All we need to ensure is that timeout scan takes place in blk_abort_request()
83 * immediately and that scan sees the new timeout value. in blk_abort_request()
109 unsigned long blk_rq_timeout(unsigned long timeout) in blk_rq_timeout() argument
114 if (time_after(timeout, maxt)) in blk_rq_timeout()
115 timeout = maxt; in blk_rq_timeout()
117 return timeout; in blk_rq_timeout()
121 * blk_add_timer - Start timeout timer for a single request
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/linux/include/linux/
H A Dwait.h298 * on purpose; we use long where we can return timeout values and int
393 #define __wait_event_timeout(wq_head, condition, timeout) \ argument
395 TASK_UNINTERRUPTIBLE, 0, timeout, \
399 * wait_event_timeout - sleep until a condition gets true or a timeout elapses
402 * @timeout: timeout, in jiffies
412 * 0 if the @condition evaluated to %false after the @timeout elapsed,
413 * 1 if the @condition evaluated to %true after the @timeout elapsed,
415 * to %true before the @timeout elapsed.
417 #define wait_event_timeout(wq_head, condition, timeout) \ argument
426 __wait_event_freezable_timeout(wq_head,condition,timeout) global() argument
435 wait_event_freezable_timeout(wq_head,condition,timeout) global() argument
510 __wait_event_interruptible_timeout(wq_head,condition,timeout) global() argument
535 wait_event_interruptible_timeout(wq_head,condition,timeout) global() argument
545 __wait_event_hrtimeout(wq_head,condition,timeout,state) global() argument
586 wait_event_hrtimeout(wq_head,condition,timeout) global() argument
612 wait_event_interruptible_hrtimeout(wq,condition,timeout) global() argument
706 __wait_event_idle_timeout(wq_head,condition,timeout) global() argument
730 wait_event_idle_timeout(wq_head,condition,timeout) global() argument
739 __wait_event_idle_exclusive_timeout(wq_head,condition,timeout) global() argument
767 wait_event_idle_exclusive_timeout(wq_head,condition,timeout) global() argument
980 __wait_event_killable_timeout(wq_head,condition,timeout) global() argument
1007 wait_event_killable_timeout(wq_head,condition,timeout) global() argument
1155 __wait_event_lock_irq_timeout(wq_head,condition,lock,timeout,state) global() argument
1186 wait_event_interruptible_lock_irq_timeout(wq_head,condition,lock,timeout) global() argument
1197 wait_event_lock_irq_timeout(wq_head,condition,lock,timeout) global() argument
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H A Dswait.h193 #define __swait_event_timeout(wq, condition, timeout) \ argument
195 TASK_UNINTERRUPTIBLE, timeout, \
198 #define swait_event_timeout_exclusive(wq, condition, timeout) \ argument
200 long __ret = timeout; \
202 __ret = __swait_event_timeout(wq, condition, timeout); \
218 #define __swait_event_interruptible_timeout(wq, condition, timeout) \ argument
220 TASK_INTERRUPTIBLE, timeout, \
223 #define swait_event_interruptible_timeout_exclusive(wq, condition, timeout)\ argument
225 long __ret = timeout; \
228 condition, timeout); \
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/linux/tools/testing/selftests/firmware/
H A Dfw_fallback.sh30 local timeout=10
33 timeout=$(( $timeout - 1 ))
34 if [ "$timeout" -eq 0 ]; then
57 local timeout=10
60 timeout=$(( $timeout - 1 ))
61 if [ "$timeout" -eq 0 ]; then
86 local timeout=10
89 timeout=$(( $timeout - 1 ))
90 if [ "$timeout" -eq 0 ]; then
119 local timeout=10
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/linux/tools/testing/vsock/
H A Dtimeout.c2 /* Timeout API for single-threaded programs that use blocking
12 * timeout_begin(TIMEOUT);
25 #include "timeout.h"
27 static volatile bool timeout;
37 timeout = true;
40 /* Start a timeout. Call timeout_check() to verify that the timeout hasn't
41 * expired. timeout_end() must be called to stop the timeout. Timeouts cannot in timeout_begin()
49 /* Exit with an error message if the timeout has expired */ in timeout_check()
52 if (timeout) { in timeout_check()
26 static volatile bool timeout; global() variable
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/linux/tools/include/nolibc/sys/
H A Dselect.h60 * fd_set *except_fds, struct timeval *timeout);
64 int sys_select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *timeout) in sys_select() argument
69 if (timeout) { in sys_select()
70 t.tv_sec = timeout->tv_sec; in sys_select()
71 t.tv_nsec = (uint32_t)timeout->tv_usec * 1000; in sys_select()
73 return my_syscall6(__NR_pselect6_time64, nfds, rfds, wfds, efds, timeout ? &t : NULL, NULL); in sys_select()
77 if (timeout) { in sys_select()
78 t.tv_sec = timeout->tv_sec; in sys_select()
79 t.tv_nsec = (uint32_t)timeout->tv_usec * 1000; in sys_select()
81 return my_syscall6(__NR_pselect6, nfds, rfds, wfds, efds, timeout in sys_select()
97 select(int nfds,fd_set * rfds,fd_set * wfds,fd_set * efds,struct timeval * timeout) select() argument
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/linux/tools/testing/selftests/drivers/net/mlxsw/
H A Dvxlan.sh37 : ${TIMEOUT:=20000} # ms
485 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb 00:00:00:00:00:00 \
501 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb \
504 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb \
515 busywait "$TIMEOUT" not wait_for_offload grep_bridge_fdb \
526 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb \
529 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb \
540 busywait "$TIMEOUT" not wait_for_offload grep_bridge_fdb \
551 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb \
554 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb \
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/linux/arch/arm/mach-sa1100/
H A Dssp.c23 #define TIMEOUT 100000 macro
48 * %-ETIMEDOUT timeout occurred
53 int timeout = TIMEOUT; in ssp_write_word() local
56 if (!--timeout) in ssp_write_word()
63 timeout = TIMEOUT; in ssp_write_word()
65 if (!--timeout) in ssp_write_word()
85 * %-ETIMEDOUT timeout occurred
90 int timeout = TIMEOUT; in ssp_read_word() local
93 if (!--timeout) in ssp_read_word()
112 * %-ETIMEDOUT timeout occurred
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/linux/drivers/gpu/drm/xe/
H A Dxe_hw_engine_class_sysfs.c20 * xe_hw_engine_timeout_in_range - Helper to check if timeout is in range
21 * @timeout: timeout to validate
25 * This helper helps to validate if timeout is in min-max range of HW engine
30 bool xe_hw_engine_timeout_in_range(u64 timeout, u64 min, u64 max) in xe_hw_engine_timeout_in_range() argument
32 return timeout >= min && timeout <= max; in xe_hw_engine_timeout_in_range()
93 u32 timeout; in job_timeout_max_store() local
96 err = kstrtou32(buf, 0, &timeout); in job_timeout_max_store()
100 if (timeout < eclass->sched_props.job_timeout_min) in job_timeout_max_store()
103 if (!xe_hw_engine_timeout_in_range(timeout, in job_timeout_max_store()
108 WRITE_ONCE(eclass->sched_props.job_timeout_max, timeout); in job_timeout_max_store()
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/linux/drivers/gpu/host1x/
H A Dfence.c49 * or cancelled. As such, for such situations, set up a timeout, so in host1x_syncpt_fence_enable_signaling()
52 if (sf->timeout) { in host1x_syncpt_fence_enable_signaling()
53 /* Reference for timeout path. */ in host1x_syncpt_fence_enable_signaling()
79 * Already on timeout path, but we removed the fence before in host1x_fence_signal()
80 * timeout path could, so drop interrupt path reference. in host1x_fence_signal()
86 if (f->timeout && cancel_delayed_work(&f->timeout_work)) { in host1x_fence_signal()
88 * We know that the timeout path will not be entered. in host1x_fence_signal()
89 * Safe to drop the timeout path's reference now. in host1x_fence_signal()
105 /* Already on interrupt path, drop timeout path reference if any. */ in do_fence_timeout()
106 if (f->timeout) in do_fence_timeout()
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