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/linux/Documentation/power/ !
H A Dfreezing-of-tasks.rst7 I. What is the freezing of tasks?
10 The freezing of tasks is a mechanism by which user space processes and some
28 indicate whether the system is to undergo a freezing operation. And
72 has initiated a freezing operation, the freezing of tasks will fail and the
83 Rationale behind the functions dealing with freezing and thawing of tasks
91 kernel threads without freezing userspace tasks
115 Generally speaking, there is a couple of reasons to use the freezing of tasks:
137 freezing them earlier. [Of course, this also means that device drivers
144 example, be troublesome and without the freezing o
[all...]
H A Dindex.rst15 freezing-of-tasks
H A Dbasic-pm-debugging.rst53 - test the freezing of processes
56 - test the freezing of processes and suspending of devices
59 - test the freezing of processes, suspending of devices and platform
63 - test the freezing of processes, suspending of devices, platform
67 - test the freezing of processes, suspending of devices, platform global
77 /sys/power/pm_test (eg. "devices" to test the freezing of processes and
H A Dsuspend-and-cpuhotplug.rst277 into the kernel, since the freezing has not yet begun.
284 the cpu online hotplug task and hence freezing of tasks fails.
286 As a result of this task freezing failure, the suspend operation gets
H A Dswsusp.rst192 What is the freezing of tasks and why are we using it?
195 The freezing of tasks is a mechanism by which user space processes and some
197 some architectures). See freezing-of-tasks.txt for details.
/linux/include/linux/ !
H A Dfreezer.h16 extern bool pm_freezing; /* PM freezing in effect */
17 extern bool pm_nosig_freezing; /* PM nosig freezing in effect */
34 static inline bool freezing(struct task_struct *p) in freezing() function
54 if (likely(!freezing(current))) in try_to_freeze()
75 static inline bool freezing(struct task_struct *p) { return false; } in freezing() function
/linux/Documentation/admin-guide/cgroup-v1/ !
H A Dfreezer-subsystem.rst68 If any is freezing, the cgroup is freezing (FREEZING or FROZEN).
78 if not already freezing, enters FREEZING state along with all its
83 the parent-state is still freezing. If a cgroup's effective state
84 becomes THAWED, all its descendants which are freezing because of
85 the cgroup also leave the freezing state.
/linux/Documentation/translations/zh_CN/power/ !
H A Dindex.rst26 * freezing-of-tasks
/linux/drivers/net/wireless/broadcom/brcm80211/brcmfmac/ !
H A Dbcmsdh.c55 atomic_t freezing; member
801 atomic_set(&sdiodev->freezer->freezing, 0); in brcmf_sdiod_freezer_attach()
810 WARN_ON(atomic_read(&sdiodev->freezer->freezing)); in brcmf_sdiod_freezer_detach()
823 atomic_set(&sdiodev->freezer->freezing, 1); in brcmf_sdiod_freezer_on()
838 atomic_set(&sdiodev->freezer->freezing, 0); in brcmf_sdiod_freezer_off()
845 atomic_read(&sdiodev->freezer->freezing); in brcmf_sdiod_freezing()
/linux/fs/jffs2/ !
H A Dbackground.c122 while (signal_pending(current) || freezing(current)) { in jffs2_garbage_collect_thread()
/linux/fs/btrfs/ !
H A Dfree-space-cache.h62 return fatal_signal_pending(current) || freezing(current); in btrfs_trim_interrupted()
/linux/fs/bcachefs/ !
H A Dmovinggc.c226 if (kthread_should_stop() || freezing(current)) in bch2_copygc()
387 if (unlikely(freezing(current))) { in bch2_copygc_thread()
H A Dmove.c571 freezing(current) || in bch2_move_ratelimit()
575 if (unlikely(freezing(current))) { in bch2_move_ratelimit()
/linux/drivers/char/tpm/st33zp24/ !
H A Dst33zp24.c229 if (ret == -ERESTARTSYS && freezing(current)) in wait_for_stat()
247 } while (ret == -ERESTARTSYS && freezing(current)); in wait_for_stat()
/linux/kernel/cgroup/ !
H A Dlegacy_freezer.c28 * A cgroup is freezing if any FREEZING flags are set. FREEZING_SELF is
36 CGROUP_FREEZING_SELF = (1 << 1), /* this freezer is freezing */
37 CGROUP_FREEZING_PARENT = (1 << 2), /* the parent freezer is freezing */
103 * parent's freezing state while holding cpus read lock and freezer_mutex.
233 * update_if_frozen - update whether a cgroup finished freezing
239 * cgroups finished freezing and, if so, sets FROZEN.
278 if (freezing(task) && !frozen(task)) in update_if_frozen()
343 * freezing or thawing as necessary.
374 * freezer_change_state - change the freezing state of a cgroup_freezer
/linux/drivers/tty/serial/ !
H A Dmax3100.c295 !freezing(current) && in max3100_work()
306 if (!s->force_end_work && !freezing(current) && !s->suspending) in max3100_dowork()
/linux/drivers/char/tpm/ !
H A Dxen-tpmfront.c85 if (rc == -ERESTARTSYS && freezing(current)) { in wait_for_tpm_stat()
H A Dtpm_tis_core.c103 if (rc == -ERESTARTSYS && freezing(current)) { in wait_for_tpm_stat()
216 if (rc == -ERESTARTSYS && freezing(current)) { in __tpm_tis_request_locality()
/linux/kernel/ !
H A Dkthread.c219 if (unlikely(freezing(current))) in kthread_freezable_should_stop()
1016 } else if (!freezing(current)) { in kthread_worker_fn()
/linux/Documentation/admin-guide/pm/ !
H A Dsleep-states.rst33 runtime idle by freezing user space, suspending the timekeeping and putting all
57 In addition to freezing user space, suspending the timekeeping and putting all
H A Dsuspend-flows.rst74 resume, which can be much more precise than the freezing, so the latter is
/linux/kernel/time/ !
H A Dalarmtimer.c719 if (freezing(current)) in alarmtimer_do_nsleep()
/linux/Documentation/ABI/testing/ !
H A Dsysfs-power336 number of times freezing processes failed.
450 filesystems during system suspend (after freezing user space
/linux/fs/jfs/ !
H A Djfs_txnmgr.c2752 if (freezing(current)) { in jfs_lazycommit()
2942 if (freezing(current)) { in jfs_sync()
/linux/kernel/power/ !
H A DKconfig27 Skip the kernel sys_sync() before freezing user processes.

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