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android_kernel_samsung_msm8976/kernel
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Tejun Heo d5551f602f workqueue: restore WQ_UNBOUND/max_active==1 to be ordered 
commit 5c0338c68706be53b3dc472e4308961c36e4ece1 upstream.

The combination of WQ_UNBOUND and max_active == 1 used to imply
ordered execution.  After NUMA affinity 4c16bd327c ("workqueue:
implement NUMA affinity for unbound workqueues"), this is no longer
true due to per-node worker pools.

While the right way to create an ordered workqueue is
alloc_ordered_workqueue(), the documentation has been misleading for a
long time and people do use WQ_UNBOUND and max_active == 1 for ordered
workqueues which can lead to subtle bugs which are very difficult to
trigger.

It's unlikely that we'd see noticeable performance impact by enforcing
ordering on WQ_UNBOUND / max_active == 1 workqueues.  Let's
automatically set __WQ_ORDERED for those workqueues.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Christoph Hellwig <hch@infradead.org>
Reported-by: Alexei Potashnik <alexei@purestorage.com>
Fixes: 4c16bd327c ("workqueue: implement NUMA affinity for unbound workqueues")
Cc: stable@vger.kernel.org # v3.10+
Signed-off-by: Willy Tarreau <w@1wt.eu>
 		2019-07-27 21:44:15 +02:00
..
cpu idle: add a check for need_resched() after rcu_idle_enter 2016-10-03 20:28:27 -07:00
debug This is the 3.10.73 stable release 2015-04-24 18:14:57 -07:00
events perf/core: Fix event inheritance on fork() 2019-07-27 21:43:14 +02:00
gcov
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irq This is the 3.10.99 stable release 2017-04-18 17:17:46 +02:00
locking Import latest Samsung release 2017-04-18 03:43:52 +02:00
power PM / sleep: fix device reference leak in test_suspend 2019-07-27 21:42:48 +02:00
rcu rcu: Don't disable CPU hotplug during OOM notifiers 2016-01-06 23:11:06 -08:00
sched sched/debug: Don't dump sched debug info in SysRq-W 2019-07-27 21:43:52 +02:00
time tick/broadcast: Prevent NULL pointer dereference 2019-07-27 21:43:41 +02:00
trace ring-buffer: Have ring_buffer_iter_empty() return true when empty 2019-07-27 21:43:17 +02:00
.gitignore
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Kconfig.freezer
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Kconfig.hz
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Kconfig.locks Import latest Samsung release 2017-04-18 03:43:52 +02:00
Kconfig.preempt
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Makefile UPSTREAM: KEYS: Separate the kernel signature checking keyring from module signing 2016-05-18 14:36:10 +05:30
acct.c
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async.c
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audit.c audit: Partially remove Samsung changes 2018-02-06 13:12:28 +01:00
audit.h Import latest Samsung release 2017-04-18 03:43:52 +02:00
audit_tree.c
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audit_watch.c
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auditfilter.c
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auditsc.c Import latest Samsung release 2017-04-18 03:43:52 +02:00
backtracetest.c
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bounds.c
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capability.c
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cgroup.c cgroup: prefer %pK to %p 2016-12-06 09:24:09 -08:00
cgroup_freezer.c
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compat.c
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configs.c
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context_tracking.c
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cpu.c cpu: send KOBJ_ONLINE event when enabling cpus 2017-07-24 01:09:04 -07:00
cpu_pm.c
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cpuset.c cpuset: Make cpusets restore on hotplug 2017-04-18 04:37:17 +02:00
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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elfcore.c
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exec_domain.c ANDROID: exec_domains: Disable request_module() call for personalities 2016-05-18 14:34:40 +05:30
exit.c kernel: Only expose su when daemon is running 2017-05-15 14:43:52 +00:00
extable.c
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fork.c kernel/fork: fix CLONE_CHILD_CLEARTID regression in nscd 2019-07-27 21:42:45 +02:00
freezer.c This is the 3.10.67 stable release 2015-04-24 18:04:40 -07:00
futex.c futex: Add missing error handling to FUTEX_REQUEUE_PI 2019-07-27 21:44:02 +02:00
futex_compat.c ptrace: use fsuid, fsgid, effective creds for fs access checks 2016-02-25 11:57:47 -08:00
groups.c
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hrtimer.c time: Remove CONFIG_TIMER_STATS 2017-04-22 23:02:59 +02:00
hung_task.c
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irq_work.c irq_work: Remove BUG_ON in irq_work_run() 2016-01-07 00:42:12 -08:00
itimer.c
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jump_label.c
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kallsyms.c Import latest Samsung release 2017-04-18 03:43:52 +02:00
kcmp.c ptrace: use fsuid, fsgid, effective creds for fs access checks 2016-02-25 11:57:47 -08:00
kexec.c
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kmod.c
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kprobes.c
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ksysfs.c
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kthread.c kthread: Fix the race condition when kthread is parked 2015-06-04 17:43:41 -07:00
latencytop.c
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modsign_pubkey.c
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module-internal.h UPSTREAM: KEYS: Separate the kernel signature checking keyring from module signing 2016-05-18 14:36:10 +05:30
module.c module: Invalidate signatures on force-loaded modules 2019-07-27 21:42:00 +02:00
module_signing.c UPSTREAM: KEYS: Separate the kernel signature checking keyring from module signing 2016-05-18 14:36:10 +05:30
notifier.c
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nsproxy.c
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padata.c padata: avoid race in reordering 2019-07-27 21:44:05 +02:00
panic.c printk: do cond_resched() between lines while outputting to consoles 2019-07-27 21:41:46 +02:00
params.c
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pid.c BACKPORT: FROMLIST: pids: make task_tgid_nr_ns() safe 2018-05-26 00:39:33 +02:00
pid_namespace.c
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posix-cpu-timers.c
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posix-timers.c
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printk.c printk: use rcuidle console tracepoint 2019-07-27 21:44:09 +02:00
profile.c
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ptrace.c ptrace: fix PTRACE_LISTEN race corrupting task->state 2019-07-27 21:43:16 +02:00
range.c
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relay.c
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res_counter.c
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resource.c This is the 3.10.99 stable release 2017-04-18 17:17:46 +02:00
seccomp.c UPSTREAM: seccomp: cap SECCOMP_RET_ERRNO data to MAX_ERRNO 2016-05-18 14:36:06 +05:30
signal.c signal: remove warning about using SI_TKILL in rt_[tg]sigqueueinfo 2019-07-27 21:41:45 +02:00
smp.c Import latest Samsung release 2017-04-18 03:43:52 +02:00
smpboot.c smpboot: use kmemleak_not_leak for smpboot_thread_data 2015-05-11 17:07:29 +05:30
smpboot.h
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softirq.c Import latest Samsung release 2017-04-18 03:43:52 +02:00
stacktrace.c
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stop_machine.c
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sys.c Import latest Samsung release 2017-04-18 03:43:52 +02:00
sys_ni.c seccomp: add "seccomp" syscall 2015-03-19 14:52:50 -07:00
sysctl.c sysctl: fix proc_doulongvec_ms_jiffies_minmax() 2019-07-27 21:43:49 +02:00
sysctl_binary.c
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system_certificates.S UPSTREAM: KEYS: Separate the kernel signature checking keyring from module signing 2016-05-18 14:36:10 +05:30
system_keyring.c UPSTREAM: KEYS: Separate the kernel signature checking keyring from module signing 2016-05-18 14:36:10 +05:30
task_work.c
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taskstats.c
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test_kprobes.c
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time.c
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timeconst.bc
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timer.c timers: Use proper base migration in add_timer_on() 2019-07-27 21:42:23 +02:00
tracepoint.c
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tsacct.c
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uid16.c
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up.c
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user-return-notifier.c
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user.c
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user_namespace.c UPSTREAM: capabilities: ambient capabilities 2018-02-06 13:12:16 +01:00
utsname.c
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utsname_sysctl.c
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watchdog.c
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workqueue.c workqueue: restore WQ_UNBOUND/max_active==1 to be ordered 2019-07-27 21:44:15 +02:00
workqueue_internal.h
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