Lai Jiangshan 2355b70fd5 workqueue: avoid recursion in run_workqueue() ...

1) lockdep will complain when run_workqueue() performs recursion.

2) The recursive implementation of run_workqueue() means that
   flush_workqueue() and its documentation are inconsistent.  This may
   hide deadlocks and other bugs.

3) The recursion in run_workqueue() will poison cwq->current_work, but
   flush_work() and __cancel_work_timer(), etcetera need a reliable
   cwq->current_work.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Eric Dumazet <dada1@cosmosbay.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2009-04-02 19:05:00 -07:00

..

irq

PM: Introduce functions for suspending and resuming device interrupts

2009-03-30 21:46:54 +02:00

power

pm: rework includes, remove arch ifdefs

2009-04-01 08:59:16 -07:00

time

Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-03-26 16:05:42 -07:00

trace

Merge commit 'origin/master' into next

2009-03-11 17:10:07 +11:00

.gitignore

…

acct.c

[CVE-2009-0029] System call wrappers part 04

2009-01-14 14:15:19 +01:00

async.c

async: remove the temporary (2.6.29) "async is off by default" code

2009-03-28 13:05:30 -07:00

audit_tree.c

audit: validate comparison operations, store them in sane form

2009-01-04 15:14:42 -05:00

audit.c

[PATCH] fix broken timestamps in AVC generated by kernel threads

2008-12-09 02:27:41 -05:00

audit.h

fixing audit rule ordering mess, part 1

2009-01-04 15:14:41 -05:00

auditfilter.c

audit: validate comparison operations, store them in sane form

2009-01-04 15:14:42 -05:00

auditsc.c

make sure that filterkey of task,always rules is reported

2009-01-04 15:14:42 -05:00

backtracetest.c

…

bounds.c

…

capability.c

[CVE-2009-0029] System call wrappers part 04

2009-01-14 14:15:19 +01:00

cgroup_debug.c

debug cgroup: remove unneeded cgroup_lock

2009-04-02 19:04:54 -07:00

cgroup_freezer.c

freezer_cg: disable writing freezer.state of root cgroup

2008-11-12 17:17:16 -08:00

cgroup.c

memcg: fix OOM killer under memcg

2009-04-02 19:04:55 -07:00

compat.c

Allow times and time system calls to return small negative values

2009-01-06 15:59:13 -08:00

configs.c

…

cpu.c

cpumask: use set_cpu_active in init/main.c

2009-03-30 22:05:12 +10:30

cpuset.c

cpusets: prevent PF_THREAD_BOUND tasks from attaching to non-root cpusets

2009-04-02 19:04:57 -07:00

cred-internals.h

CRED: Inaugurate COW credentials

2008-11-14 10:39:23 +11:00

cred.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6

2009-01-09 13:59:25 -08:00

delayacct.c

schedstat: consolidate per-task cpu runtime stats

2008-12-18 13:54:01 +01:00

dma-coherent.c

dma-coherent: Restore dma_alloc_from_coherent() large alloc fall back policy.

2009-01-21 18:51:53 +09:00

dma.c

…

exec_domain.c

[CVE-2009-0029] System call wrappers part 04

2009-01-14 14:15:19 +01:00

exit.c

forget_original_parent: do not abuse child->ptrace_entry

2009-04-02 19:05:00 -07:00

extable.c

Merge branch 'core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2008-12-30 16:10:19 -08:00

fork.c

signals: protect cinit from blocked fatal signals

2009-04-02 19:04:58 -07:00

freezer.c

…

futex_compat.c

CRED: Use RCU to access another task's creds and to release a task's own creds

2008-11-14 10:39:19 +11:00

futex.c

futex: remove the pointer math from double_unlock_hb, fix

2009-03-13 10:32:07 +01:00

hrtimer.c

hrtimer: prevent negative expiry value after clock_was_set()

2009-01-30 22:35:34 +01:00

itimer.c

timers: split process wide cpu clocks/timers

2009-02-05 13:04:33 +01:00

kallsyms.c

Revert "kbuild: strip generated symbols from *.ko"

2009-01-14 21:38:20 +01:00

Kconfig.freezer

…

Kconfig.hz

…

Kconfig.preempt

rcu: provide RCU options on non-preempt architectures too

2008-12-25 09:31:28 +01:00

kexec.c

kexec: Change kexec jump code ordering

2009-03-30 21:46:55 +02:00

kfifo.c

…

kgdb.c

…

kmod.c

cpumask: remove dangerous CPU_MASK_ALL_PTR, &CPU_MASK_ALL

2009-03-30 22:05:11 +10:30

kprobes.c

kprobes: check CONFIG_FREEZER instead of CONFIG_PM

2009-01-16 14:32:17 -05:00

ksysfs.c

kernel/ksysfs.c:fix dependence on CONFIG_NET

2009-01-06 10:44:31 -08:00

kthread.c

cpumask: remove dangerous CPU_MASK_ALL_PTR, &CPU_MASK_ALL

2009-03-30 22:05:11 +10:30

latencytop.c

sched, latencytop: incorporate review feedback from Andrew Morton

2009-02-11 10:18:04 +01:00

lockdep_internals.h

lockdep: get_user_chars() redo

2009-02-14 23:28:22 +01:00

lockdep_proc.c

lockstat: warn about disabled lock debugging

2009-02-14 23:28:28 +01:00

lockdep_states.h

lockdep: move state bit definitions around

2009-02-14 23:27:59 +01:00

lockdep.c

lockdep: fix deadlock in lockdep_trace_alloc

2009-03-30 23:19:24 +02:00

Makefile

PM: fix build for CONFIG_PM unset

2009-02-21 14:17:17 -08:00

marker.c

markers/tracpoints: fix non-modular build

2008-11-16 09:52:03 +01:00

module.c

Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2

2009-03-27 17:28:43 +01:00

mutex-debug.c

mutex: implement adaptive spinning

2009-01-14 18:09:02 +01:00

mutex-debug.h

mutex: implement adaptive spinning

2009-01-14 18:09:02 +01:00

mutex.c

mutex: adaptive spinnning, performance tweaks

2009-01-14 19:03:54 +01:00

mutex.h

mutex: implement adaptive spinning

2009-01-14 18:09:02 +01:00

notifier.c

Merge commit 'v2.6.28-rc6' into core/debug

2008-11-26 08:22:50 +01:00

ns_cgroup.c

cgroups: relax ns_can_attach checks to allow attaching to grandchild cgroups

2009-04-02 19:04:53 -07:00

nsproxy.c

User namespaces: set of cleanups (v2)

2008-11-24 18:57:41 -05:00

panic.c

stackprotector: update make rules

2009-02-10 00:41:54 +01:00

params.c

…

pid_namespace.c

signals: zap_pid_ns_process() should use force_sig()

2009-04-02 19:04:58 -07:00

pid.c

pid: generalize task_active_pid_ns

2009-01-08 08:31:12 -08:00

pm_qos_params.c

…

posix-cpu-timers.c

posix timers: fix RLIMIT_CPU && fork()

2009-03-23 20:43:35 +01:00

posix-timers.c

[CVE-2009-0029] System call wrappers part 05

2009-01-14 14:15:20 +01:00

printk.c

PM: Fix suspend_console and resume_console to use only one semaphore

2009-02-21 14:17:18 -08:00

profile.c

profiling: fix broken profiling regression

2009-02-10 00:50:37 +01:00

ptrace.c

ptrace_untrace: fix the SIGNAL_STOP_STOPPED check

2009-04-02 19:05:00 -07:00

rcuclassic.c

rcu: Teach RCU that idle task is not quiscent state at boot

2009-02-26 04:08:14 +01:00

rcupdate.c

rcu: Teach RCU that idle task is not quiscent state at boot

2009-02-26 04:08:14 +01:00

rcupreempt_trace.c

"Tree RCU": scalable classic RCU implementation

2008-12-18 21:56:04 +01:00

rcupreempt.c

rcu: Teach RCU that idle task is not quiscent state at boot

2009-02-26 04:08:14 +01:00

rcutorture.c

cpumask: convert rcutorture.c

2009-03-30 22:05:16 +10:30

rcutree_trace.c

"Tree RCU": scalable classic RCU implementation

2008-12-18 21:56:04 +01:00

rcutree.c

rcu: Teach RCU that idle task is not quiscent state at boot

2009-02-26 04:08:14 +01:00

relay.c

timers: add mod_timer_pending()

2009-02-18 19:26:33 +01:00

res_counter.c

memcg: memory cgroup resource counters for hierarchy

2009-01-08 08:31:05 -08:00

resource.c

resources: fix parameter name and kernel-doc

2009-01-15 16:39:38 -08:00

rtmutex_common.h

…

rtmutex-debug.c

…

rtmutex-debug.h

…

rtmutex-tester.c

…

rtmutex.c

…

rtmutex.h

…

rwsem.c

…

sched_clock.c

sched_clock: cleanups

2009-02-26 21:56:07 +01:00

sched_cpupri.c

sched: fix section mismatch

2009-01-06 11:07:15 +01:00

sched_cpupri.h

cpumask: remove cpumask_t from core

2009-03-30 22:05:17 +10:30

sched_debug.c

sched: remove unused fields from struct rq

2009-03-24 23:16:51 +01:00

sched_fair.c

Merge branch 'sched/urgent'; commit 'v2.6.29-rc5' into sched/core

2009-02-15 21:15:16 +01:00

sched_features.h

Merge branch 'locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-03-30 17:17:35 -07:00

sched_idletask.c

…

sched_rt.c

Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2

2009-03-27 17:28:43 +01:00

sched_stats.h

sched: remove unused fields from struct rq

2009-03-24 23:16:51 +01:00

sched.c

epoll keyed wakeups: add __wake_up_locked_key() and __wake_up_sync_key()

2009-04-01 08:59:20 -07:00

seccomp.c

x86-64: seccomp: fix 32/64 syscall hole

2009-03-02 15:41:30 -08:00

semaphore.c

…

signal.c

signals: SI_USER: Masquerade si_pid when crossing pid ns boundary

2009-04-02 19:04:58 -07:00

smp.c

generic-ipi: use per cpu data for single cpu ipi calls

2009-01-30 18:31:08 +01:00

softirq.c

Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2

2009-03-27 17:28:43 +01:00

softlockup.c

softlock: fix false panic which can occur if softlockup_thresh is reduced

2009-01-14 11:48:07 +01:00

spinlock.c

…

srcu.c

…

stacktrace.c

stacktrace: provide save_stack_trace_tsk() weak alias

2008-12-25 11:44:43 +01:00

stop_machine.c

cpumask: remove cpumask_t from core

2009-03-30 22:05:17 +10:30

sys_ni.c

[CVE-2009-0029] Make sys_syslog a conditional system call

2009-01-14 14:15:16 +01:00

sys.c

sched: don't allow setuid to succeed if the user does not have rt bandwidth

2009-02-27 11:11:53 +01:00

sysctl_check.c

net: add ARP notify option for devices

2009-02-01 01:04:33 -08:00

sysctl.c

mm: fix proc_dointvec_userhz_jiffies "breakage"

2009-04-01 08:59:13 -07:00

taskstats.c

cpumask: convert rest of files in kernel/

2009-01-01 10:12:28 +10:30

test_kprobes.c

kprobes: add tests for register_kprobes

2009-01-06 15:59:20 -08:00

time.c

[CVE-2009-0029] System call wrappers part 01

2009-01-14 14:15:18 +01:00

timeconst.pl

…

timer.c

Merge branch 'locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-03-30 17:17:35 -07:00

tracepoint.c

markers/tracpoints: fix non-modular build

2008-11-16 09:52:03 +01:00

tsacct.c

Fix fixpoint divide exception in acct_update_integrals

2009-03-09 08:13:35 -07:00

uid16.c

[CVE-2009-0029] System call wrappers part 19

2009-01-14 14:15:26 +01:00

up.c

smp_call_function_single(): be slightly less stupid, fix #2

2009-01-12 16:04:37 +01:00

user_namespace.c

Fix recursive lock in free_uid()/free_user_ns()

2009-02-27 16:26:21 -08:00

user.c

Merge branch 'master' into next

2009-03-24 10:52:46 +11:00

utsname_sysctl.c

…

utsname.c

…

wait.c

wait: prevent exclusive waiter starvation

2009-02-05 12:56:48 -08:00

workqueue.c

workqueue: avoid recursion in run_workqueue()

2009-04-02 19:05:00 -07:00