Star64_linux/kernel
Petr Mladek 34b3d53447 kthread_worker: split code for canceling the delayed work timer
Patch series "kthread_worker: Fix race between kthread_mod_delayed_work()
and kthread_cancel_delayed_work_sync()".

This patchset fixes the race between kthread_mod_delayed_work() and
kthread_cancel_delayed_work_sync() including proper return value
handling.

This patch (of 2):

Simple code refactoring as a preparation step for fixing a race between
kthread_mod_delayed_work() and kthread_cancel_delayed_work_sync().

It does not modify the existing behavior.

Link: https://lkml.kernel.org/r/20210610133051.15337-2-pmladek@suse.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
Cc: <jenhaochen@google.com>
Cc: Martin Liu <liumartin@google.com>
Cc: Minchan Kim <minchan@google.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-06-24 19:40:54 -07:00
..
bpf bpf: Fix leakage under speculation on mispredicted branches 2021-06-14 23:06:10 +02:00
cgroup cgroup1: don't allow '\n' in renaming 2021-06-10 09:58:50 -04:00
configs drivers/char: remove /dev/kmem for good 2021-05-07 00:26:34 -07:00
debug
dma Merge branch 'stable/for-linus-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb 2021-06-23 09:04:07 -07:00
entry tick/nohz: Only check for RCU deferred wakeup on user/guest entry when needed 2021-05-31 10:14:49 +02:00
events perf: Fix data race between pin_count increment/decrement 2021-05-31 10:14:51 +02:00
gcov gcov: clang: drop support for clang-10 and older 2021-05-07 00:26:32 -07:00
irq
kcsan kcsan: Fix debugfs initcall return type 2021-05-18 10:58:02 -07:00
livepatch
locking locking/lockdep: Improve noinstr vs errors 2021-06-22 13:56:43 +02:00
power
printk printk: Move EXPORT_SYMBOL() closer to vprintk definition 2021-06-16 10:42:19 +02:00
rcu
sched sched/fair: Ensure that the CFS parent is added after unthrottling 2021-06-22 14:06:57 +02:00
time tick/nohz: Only check for RCU deferred wakeup on user/guest entry when needed 2021-05-31 10:14:49 +02:00
trace tracing: Do no increment trace_clock_global() by one 2021-06-18 09:10:00 -04:00
.gitignore
acct.c
async.c kernel/async.c: remove async_unregister_domain() 2021-05-07 00:26:33 -07:00
audit.c
audit.h
audit_fsnotify.c
audit_tree.c
audit_watch.c
auditfilter.c
auditsc.c
backtracetest.c
bounds.c
capability.c
cfi.c
compat.c
configs.c
context_tracking.c
cpu.c
cpu_pm.c
crash_core.c crash_core, vmcoreinfo: append 'SECTION_SIZE_BITS' to vmcoreinfo 2021-06-16 09:24:42 -07:00
crash_dump.c
cred.c kernel/cred.c: make init_groups static 2021-05-06 19:24:11 -07:00
delayacct.c
dma.c
exec_domain.c
exit.c do_wait: make PIDTYPE_PID case O(1) instead of O(n) 2021-05-06 19:24:13 -07:00
extable.c
fail_function.c
fork.c kernel/fork.c: fix typos 2021-05-06 19:24:13 -07:00
freezer.c
futex.c futex: Make syscall entry points less convoluted 2021-05-06 20:19:04 +02:00
gen_kheaders.sh
groups.c
hung_task.c
iomem.c
irq_work.c irq_work: Make irq_work_queue() NMI-safe again 2021-06-10 10:00:08 +02:00
jump_label.c
kallsyms.c
kcmp.c
Kconfig.freezer
Kconfig.hz
Kconfig.locks
Kconfig.preempt
kcov.c
kexec.c
kexec_core.c kexec: dump kmessage before machine_kexec 2021-05-07 00:26:32 -07:00
kexec_elf.c
kexec_file.c kernel: kexec_file: fix error return code of kexec_calculate_store_digests() 2021-05-07 00:26:32 -07:00
kexec_internal.h
kheaders.c
kmod.c modules: add CONFIG_MODPROBE_PATH 2021-05-07 00:26:33 -07:00
kprobes.c
ksysfs.c
kthread.c kthread_worker: split code for canceling the delayed work timer 2021-06-24 19:40:54 -07:00
latencytop.c
Makefile
module-internal.h
module.c module: limit enabling module.sig_enforce 2021-06-22 11:13:19 -07:00
module_signature.c
module_signing.c
notifier.c
nsproxy.c
padata.c
panic.c
params.c
pid.c
pid_namespace.c
profile.c
ptrace.c ptrace: make ptrace() fail if the tracee changed its pid unexpectedly 2021-05-12 10:45:22 -07:00
range.c
reboot.c
regset.c
relay.c
resource.c kernel/resource: fix return code check in __request_free_mem_region 2021-05-14 19:41:32 -07:00
resource_kunit.c
rseq.c
scftorture.c
scs.c
seccomp.c seccomp: Refactor notification handler to prepare for new semantics 2021-05-29 11:13:27 -07:00
signal.c signal: Prevent sigqueue caching after task got released 2021-06-22 15:55:41 +02:00
smp.c
smpboot.c
smpboot.h
softirq.c
stackleak.c
stacktrace.c
static_call.c
stop_machine.c
sys.c kernel/sys.c: fix typo 2021-05-07 00:26:34 -07:00
sys_ni.c
sysctl-test.c
sysctl.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2021-05-11 16:05:56 -07:00
task_work.c
taskstats.c
test_kprobes.c
torture.c
tracepoint.c
tsacct.c
ucount.c
uid16.c
uid16.h
umh.c kernel/umh.c: fix some spelling mistakes 2021-05-07 00:26:34 -07:00
up.c A set of locking related fixes and updates: 2021-05-09 13:07:03 -07:00
user-return-notifier.c
user.c
user_namespace.c kernel/user_namespace.c: fix typos 2021-05-07 00:26:34 -07:00
usermode_driver.c
utsname.c
utsname_sysctl.c
watch_queue.c
watchdog.c watchdog: reliable handling of timestamps 2021-05-22 15:09:07 -10:00
watchdog_hld.c
workqueue.c wq: handle VM suspension in stall detection 2021-05-20 12:58:30 -04:00
workqueue_internal.h