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e22bc9b481a90d7898984ea17621f04a653e2cd1
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Jens Axboe e22bc9b481 kernel: make IO threads unfreezable by default 
The io-wq threads were already marked as no-freeze, but the manager was
not. On resume, we perpetually have signal_pending() being true, and
hence the manager will loop and spin 100% of the time.

Just mark the tasks created by create_io_thread() as PF_NOFREEZE by
default, and remove any knowledge of it in io-wq and io_uring.

Reported-by: Kevin Locke <kevin@kevinlocke.name>
Tested-by: Kevin Locke <kevin@kevinlocke.name>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-10 07:28:43 -07:00
..
bpf
Merge tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2021-02-23 13:39:45 -08:00
cgroup
Merge tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2021-02-23 13:39:45 -08:00
configs
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debug
kgdb: fix to kill breakpoints on initmem after boot
2021-02-26 09:41:05 -08:00
dma
Merge branch 'stable/for-linus-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
2021-02-26 13:59:32 -08:00
entry
entry: Explicitly flush pending rcuog wakeup before last rescheduling point
2021-02-17 14:12:43 +01:00
events
kernel: delete repeated words in comments
2021-02-26 09:41:03 -08:00
gcov
init/gcov: allow CONFIG_CONSTRUCTORS on UML to fix module gcov
2021-02-05 11:03:47 -08:00
irq
Merge tag 'driver-core-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2021-02-24 10:13:55 -08:00
kcsan
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livepatch
kallsyms: refactor {,module_}kallsyms_on_each_symbol
2021-02-08 12:22:08 +01:00
locking
kernel: delete repeated words in comments
2021-02-26 09:41:03 -08:00
power
Merge branches 'powercap' and 'pm-misc'
2021-02-15 18:50:01 +01:00
printk
Merge branch 'printk-rework' into for-linus
2021-02-22 13:43:55 +01:00
rcu
Merge tag 'sched-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-02-21 12:35:04 -08:00
sched
kernel: delete repeated words in comments
2021-02-26 09:41:03 -08:00
time
Merge tag 'core-rcu-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-02-21 12:04:41 -08:00
trace
tracing: Skip selftests if tracing is disabled
2021-03-04 09:51:25 -05:00
.gitignore
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acct.c
…
async.c
…
audit_fsnotify.c
audit_alloc_mark(): don't open-code ERR_CAST()
2021-02-23 10:25:27 -05:00
audit_tree.c
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audit_watch.c
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audit.c
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audit.h
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auditfilter.c
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auditsc.c
Merge tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2021-02-23 13:39:45 -08:00
backtracetest.c
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bounds.c
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capability.c
capability: handle idmapped mounts
2021-01-24 14:27:16 +01:00
compat.c
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configs.c
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context_tracking.c
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cpu_pm.c
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cpu.c
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crash_core.c
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crash_dump.c
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cred.c
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delayacct.c
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dma.c
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exec_domain.c
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exit.c
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extable.c
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fail_function.c
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fork.c
kernel: make IO threads unfreezable by default
2021-03-10 07:28:43 -07:00
freezer.c
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futex.c
Merge branch 'linus' into locking/core, to pick up upstream fixes
2021-02-12 12:54:58 +01:00
gen_kheaders.sh
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groups.c
groups: simplify struct group_info allocation
2021-02-26 09:41:03 -08:00
hung_task.c
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iomem.c
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irq_work.c
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jump_label.c
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kallsyms.c
kallsyms: only build {,module_}kallsyms_on_each_symbol when required
2021-02-08 12:24:04 +01:00
kcmp.c
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Kconfig.freezer
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Kconfig.hz
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Kconfig.locks
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Kconfig.preempt
preempt: Introduce CONFIG_PREEMPT_DYNAMIC
2021-02-17 14:12:24 +01:00
kcov.c
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kexec_core.c
Merge branch 'work.elf-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-21 09:29:23 -08:00
kexec_elf.c
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kexec_file.c
ima: Free IMA measurement buffer after kexec syscall
2021-02-10 15:49:38 -05:00
kexec_internal.h
kexec: move machine_kexec_post_load() to public interface
2021-02-22 12:33:26 +00:00
kexec.c
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kheaders.c
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kmod.c
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kprobes.c
kprobes: Fix to delay the kprobes jump optimization
2021-02-19 14:57:12 -05:00
ksysfs.c
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kthread.c
Merge tag 'sched_urgent_for_v5.11_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-01-24 10:09:20 -08:00
latencytop.c
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Makefile
kcmp: Support selection of SYS_kcmp without CHECKPOINT_RESTORE
2021-02-16 09:59:41 +01:00
module_signature.c
module: harden ELF info handling
2021-01-19 10:24:45 +01:00
module_signing.c
module: harden ELF info handling
2021-01-19 10:24:45 +01:00
module-internal.h
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module.c
module: potential uninitialized return in module_kallsyms_on_each_symbol()
2021-02-10 16:57:04 +01:00
notifier.c
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nsproxy.c
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padata.c
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panic.c
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params.c
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pid_namespace.c
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pid.c
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profile.c
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ptrace.c
kernel: treat PF_IO_WORKER like PF_KTHREAD for ptrace/signals
2021-02-21 17:25:22 -07:00
range.c
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reboot.c
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regset.c
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relay.c
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resource_kunit.c
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resource.c
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rseq.c
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scftorture.c
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scs.c
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seccomp.c
seccomp: Improve performace by optimizing rmb()
2021-02-10 12:40:11 -08:00
signal.c
kernel: treat PF_IO_WORKER like PF_KTHREAD for ptrace/signals
2021-02-21 17:25:22 -07:00
smp.c
smp: Process pending softirqs in flush_smp_call_function_from_idle()
2021-02-17 14:12:42 +01:00
smpboot.c
kthread: Extract KTHREAD_IS_PER_CPU
2021-01-22 15:09:42 +01:00
smpboot.h
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softirq.c
softirq: Move do_softirq_own_stack() to generic asm header
2021-02-10 23:34:16 +01:00
stackleak.c
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stacktrace.c
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static_call.c
static_call: Allow module use without exposing static_call_key
2021-02-17 14:12:42 +01:00
stop_machine.c
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sys_ni.c
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sys.c
Merge tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-02-25 10:17:31 -08:00
sysctl-test.c
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sysctl.c
sysctl.c: fix underflow value setting risk in vm_table
2021-02-26 09:41:03 -08:00
task_work.c
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taskstats.c
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test_kprobes.c
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torture.c
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tracepoint.c
tracepoints: Code clean up
2021-02-09 12:27:29 -05:00
tsacct.c
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ucount.c
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uid16.c
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uid16.h
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umh.c
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up.c
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user_namespace.c
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user-return-notifier.c
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user.c
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usermode_driver.c
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utsname_sysctl.c
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utsname.c
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watch_queue.c
watch_queue: rectify kernel-doc for init_watch()
2021-01-26 11:16:34 +00:00
watchdog_hld.c
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watchdog.c
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workqueue_internal.h
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workqueue.c
Merge branch 'for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
2021-02-22 17:06:54 -08:00