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/openbmc/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
27 whether the system is to undergo a freezing operation. And freeze_processes()
62 initiated a freezing operation, the freezing of tasks will fail and the entire
73 Rationale behind the functions dealing with freezing and thawing of tasks
81 kernel threads without freezing userspace tasks
104 Generally speaking, there is a couple of reasons to use the freezing of tasks:
126 freezing them earlier. [Of course, this also means that device drivers
133 example, be troublesome and without the freezing of tasks we would need some
136 Although Linus Torvalds doesn't like the freezing of tasks, he said this in one
[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.
/openbmc/linux/include/linux/
H A Dfreezer.h34 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
/openbmc/linux/kernel/
H A Dfreezer.c77 freeze = freezing(current) && !(check_kthr_stop && kthread_should_stop()); in __refrigerator()
158 if (!freezing(p) || frozen(p) || __freeze_task(p)) { in freeze_task()
199 if (WARN_ON_ONCE(freezing(p))) in __thaw_task()
H A Dkthread.c209 if (unlikely(freezing(current))) in kthread_freezable_should_stop()
849 } else if (!freezing(current)) { in kthread_worker_fn()
/openbmc/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.
/openbmc/linux/Documentation/translations/zh_CN/power/
H A Dindex.rst26 * freezing-of-tasks
/openbmc/linux/drivers/net/wireless/broadcom/brcm80211/brcmfmac/
H A Dbcmsdh.c55 atomic_t freezing; member
796 atomic_set(&sdiodev->freezer->freezing, 0); in brcmf_sdiod_freezer_attach()
805 WARN_ON(atomic_read(&sdiodev->freezer->freezing)); in brcmf_sdiod_freezer_detach()
818 atomic_set(&sdiodev->freezer->freezing, 1); in brcmf_sdiod_freezer_on()
833 atomic_set(&sdiodev->freezer->freezing, 0); in brcmf_sdiod_freezer_off()
840 atomic_read(&sdiodev->freezer->freezing); in brcmf_sdiod_freezing()
/openbmc/linux/fs/jffs2/
H A Dbackground.c122 while (signal_pending(current) || freezing(current)) { in jffs2_garbage_collect_thread()
/openbmc/linux/kernel/power/
H A Dprocess.c101 if (p != current && freezing(p) && !frozen(p)) in try_to_freeze_tasks()
/openbmc/linux/fs/btrfs/
H A Dfree-space-cache.h50 return fatal_signal_pending(current) || freezing(current); in btrfs_trim_interrupted()
/openbmc/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()
/openbmc/linux/fs/xfs/
H A Dxfs_discard.c289 return fatal_signal_pending(current) || freezing(current); in xfs_trim_should_stop()
/openbmc/linux/kernel/cgroup/
H A Dlegacy_freezer.c286 if (freezing(task) && !frozen(task)) in update_if_frozen()
/openbmc/linux/drivers/tty/serial/
H A Dmax3100.c180 if (!s->force_end_work && !freezing(current) && !s->suspending) in max3100_dowork()
328 !freezing(current) && in max3100_work()
/openbmc/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()
217 if (rc == -ERESTARTSYS && freezing(current)) { in __tpm_tis_request_locality()
/openbmc/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
/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-power336 number of times freezing processes failed.
450 filesystems during system suspend (after freezing user space
/openbmc/linux/kernel/time/
H A Dalarmtimer.c791 if (freezing(current)) in alarmtimer_do_nsleep()
/openbmc/linux/fs/
H A Dcoredump.c464 return fatal_signal_pending(current) || freezing(current); in dump_interrupted()
/openbmc/linux/fs/jfs/
H A Djfs_txnmgr.c2751 if (freezing(current)) { in jfs_lazycommit()
2940 if (freezing(current)) { in jfs_sync()

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