Tejun Heo 3ebb2b6ef3 cgroup: teach css_task_iter about effective csses ... Currently, css_task_iter iterates tasks associated with a css by visiting each css_set associated with the owning cgroup and walking tasks of each of them. This works fine for !unified hierarchies as each cgroup has its own css for each associated subsystem on the hierarchy; however, on the planned unified hierarchy, a cgroup may not have csses associated and its tasks would be considered associated with the matching css of the nearest ancestor which has the subsystem enabled. This means that on the default unified hierarchy, just walking all tasks associated with a cgroup isn't enough to walk all tasks which are associated with the specified css. If any of its children doesn't have the matching css enabled, task iteration should also include all tasks from the subtree. We already added cgroup->e_csets[] to list all css_sets effectively associated with a given css and walk css_sets on that list instead to achieve such iteration. This patch updates css_task_iter iteration such that it walks css_sets on cgroup->e_csets[] instead of cgroup->cset_links if iteration is requested on an non-dummy css. Thanks to the previous iteration update, this change can be achieved with the addition of css_task_iter->ss and minimal updates to css_advance_task_iter() and css_task_iter_start(). Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>		2014-04-23 11:13:15 -04:00
..
debug	mm: per-thread vma caching	2014-04-07 16:35:53 -07:00
events	Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm	2014-04-05 13:20:43 -07:00
gcov	gcov: reuse kbasename helper	2013-11-13 12:09:34 +09:00
irq	genirq: Export symbol no_action()	2014-03-22 11:33:09 +01:00
locking	lglock: map to spinlock when !CONFIG_SMP	2014-04-07 16:36:14 -07:00
power	kernel: use macros from compiler.h instead of __attribute__((...))	2014-04-07 16:36:11 -07:00
printk	printk: fix one circular lockdep warning about console_lock	2014-04-03 16:21:08 -07:00
rcu	Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 11:21:19 -07:00
sched	Merge branch 'akpm' (incoming from Andrew)	2014-04-07 16:38:06 -07:00
time	kernel: use macros from compiler.h instead of __attribute__((...))	2014-04-07 16:36:11 -07:00
trace	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2014-04-12 14:49:50 -07:00
.gitignore	Ignore generated file kernel/x509_certificate_list	2013-12-10 18:21:34 +00:00
acct.c
async.c
audit_tree.c	inotify: Fix reporting of cookies for inotify events	2014-02-18 11:17:17 +01:00
audit_watch.c	inotify: Fix reporting of cookies for inotify events	2014-02-18 11:17:17 +01:00
audit.c	Merge git://git.infradead.org/users/eparis/audit	2014-04-12 12:38:53 -07:00
audit.h	audit: Use struct net not pid_t to remember the network namespce to reply in	2014-03-20 10:10:53 -04:00
auditfilter.c	Merge git://git.infradead.org/users/eparis/audit	2014-04-12 12:38:53 -07:00
auditsc.c	Merge git://git.infradead.org/users/eparis/audit	2014-04-12 12:38:53 -07:00
backtracetest.c
bounds.c	mm: do not allocate page->ptl dynamically, if spinlock_t fits to long	2013-12-20 12:25:45 -08:00
capability.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security	2014-04-03 09:26:18 -07:00
cgroup_freezer.c	cgroup: drop const from @buffer of cftype->write_string()	2014-03-19 10:23:54 -04:00
cgroup.c	cgroup: teach css_task_iter about effective csses	2014-04-23 11:13:15 -04:00
compat.c	Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-04-02 12:51:41 -07:00
configs.c
context_tracking.c	context_tracking: Wrap static key check into more intuitive function name	2013-12-02 20:43:14 +01:00
cpu_pm.c
cpu.c	CPU hotplug: Provide lockless versions of callback registration functions	2014-03-20 13:43:40 +01:00
cpuset.c	Merge branch 'akpm' (incoming from Andrew)	2014-04-03 16:22:16 -07:00
crash_dump.c
cred.c
delayacct.c	kernel/delayacct.c: remove redundant checking in __delayacct_add_tsk()	2013-11-13 12:09:12 +09:00
dma.c
elfcore.c	switch elf_core_write_extra_phdrs() to dump_emit()	2013-11-09 00:16:23 -05:00
exec_domain.c
exit.c	wait: WSTOPPED|WCONTINUED doesn't work if a zombie leader is traced by another process	2014-04-07 16:36:06 -07:00
extable.c	asmlinkage: Make main_extable_sort_needed visible	2014-02-13 18:13:22 -08:00
fork.c	kernel: use macros from compiler.h instead of __attribute__((...))	2014-04-07 16:36:11 -07:00
freezer.c	libata, freezer: avoid block device removal while system is frozen	2013-12-19 13:50:32 -05:00
futex_compat.c	compat: Get rid of (get|put)_compat_time(val|spec)	2014-02-02 14:09:12 -08:00
futex.c	futex: update documentation for ordering guarantees	2014-04-12 17:57:51 -07:00
groups.c	kernel/groups.c: remove return value of set_groups	2014-04-03 16:21:05 -07:00
hrtimer.c	timer: Remove code redundancy while calling get_nohz_timer_target()	2014-03-20 12:35:46 +01:00
hung_task.c	kernel: audit/fix non-modular users of module_init in core code	2014-04-03 16:21:07 -07:00
irq_work.c	perf/x86: Warn to early_printk() in case irq_work is too slow	2014-02-21 21:49:07 +01:00
itimer.c
jump_label.c	static_key: WARN on usage before jump_label_init was called	2013-10-19 19:45:35 -04:00
kallsyms.c	kernel: use macros from compiler.h instead of __attribute__((...))	2014-04-07 16:36:11 -07:00
kcmp.c
Kconfig.freezer
Kconfig.hz	kernel: remove CONFIG_USE_GENERIC_SMP_HELPERS	2013-11-15 09:32:22 +09:00
Kconfig.locks
Kconfig.preempt
kexec.c	kernel: use macros from compiler.h instead of __attribute__((...))	2014-04-07 16:36:11 -07:00
kmod.c	execve: use 'struct filename *' for executable name passing	2014-02-05 12:54:53 -08:00
kprobes.c	kprobes: use KSYM_NAME_LEN to size identifier buffers	2013-11-13 12:09:26 +09:00
ksysfs.c	kernel: use macros from compiler.h instead of __attribute__((...))	2014-04-07 16:36:11 -07:00
kthread.c	kthread: ensure locality of task_struct allocations	2014-04-03 16:20:49 -07:00
latencytop.c
Makefile	Merge branch 'x86-asmlinkage-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 14:13:25 -07:00
module_signing.c	keys: change asymmetric keys to use common hash definitions	2013-10-25 17:15:18 -04:00
module-internal.h	KEYS: Separate the kernel signature checking keyring from module signing	2013-09-25 17:17:01 +01:00
module.c	modules: use raw_cpu_write for initialization of per cpu refcount.	2014-04-07 16:36:14 -07:00
notifier.c	notifier: Substitute rcu_access_pointer() for rcu_dereference_raw()	2014-02-26 06:35:13 -08:00
nsproxy.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2013-09-07 14:35:32 -07:00
padata.c	padata: Fix wrong usage of rcu_dereference()	2013-12-05 21:28:42 +08:00
panic.c	kernel/panic.c: display reason at end + pr_emerg	2014-04-07 16:36:08 -07:00
params.c	params: improve standard definitions	2013-12-04 14:09:46 +10:30
pid_namespace.c	pid_namespace: pidns_get() should check task_active_pid_ns() != NULL	2014-04-02 16:20:21 -07:00
pid.c	pidns: fix free_pid() to handle the first fork failure	2013-09-30 14:31:03 -07:00
posix-cpu-timers.c	posix-timers: Convert abuses of BUG_ON to WARN_ON	2013-12-09 16:56:29 +01:00
posix-timers.c
profile.c	CPU hotplug notifiers registration fixes for 3.15-rc1	2014-04-07 14:55:46 -07:00
ptrace.c	kernel/compat: convert to COMPAT_SYSCALL_DEFINE	2014-03-06 15:35:10 +01:00
range.c
reboot.c	kexec: migrate to reboot cpu	2013-12-18 19:04:50 -08:00
relay.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2014-04-12 14:49:50 -07:00
res_counter.c	res_counter: remove interface for locked charging and uncharging	2014-04-07 16:35:54 -07:00
resource.c	kernel/resource.c: make reallocate_resource() static	2014-04-03 16:21:07 -07:00
seccomp.c	Merge git://git.infradead.org/users/eparis/audit	2014-04-12 12:38:53 -07:00
signal.c	kernel: use macros from compiler.h instead of __attribute__((...))	2014-04-07 16:36:11 -07:00
smp.c	smp: Rename __smp_call_function_single() to smp_call_function_single_async()	2014-02-24 14:47:15 -08:00
smpboot.c	kernel: delete __cpuinit usage from all core kernel files	2013-07-14 19:36:59 -04:00
smpboot.h
softirq.c	softirq: Add linux/irq.h to make it compile again	2014-03-19 11:28:14 +01:00
stacktrace.c
stop_machine.c	stop_machine: Fix^2 race between stop_two_cpus() and stop_cpus()	2014-03-11 11:33:47 +01:00
sys_ni.c	fs, kernel: permit disabling the uselib syscall	2014-04-03 16:21:05 -07:00
sys.c	mm, thp: add VM_INIT_DEF_MASK and PRCTL_THP_DISABLE	2014-04-07 16:35:52 -07:00
sysctl_binary.c	kernel/sysctl_binary.c: use scnprintf() instead of snprintf()	2013-11-13 12:09:33 +09:00
sysctl.c	hung_task: check the value of "sysctl_hung_task_timeout_sec"	2014-04-07 16:36:07 -07:00
system_certificates.S	KEYS: correct alignment of system_certificate_list content in assembly file	2013-12-10 18:25:28 +00:00
system_keyring.c	KEYS: correct alignment of system_certificate_list content in assembly file	2013-12-10 18:25:28 +00:00
task_work.c	task_work: documentation	2013-09-11 15:58:27 -07:00
taskstats.c	genetlink: only pass array to genl_register_family_with_ops()	2013-11-19 16:39:05 -05:00
test_kprobes.c
time.c
timeconst.bc
timer.c	Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-04-01 11:00:07 -07:00
torture.c	rcutorture: Gracefully handle NULL cleanup hooks	2014-02-23 09:04:39 -08:00
tracepoint.c	This includes the final patch to clean up and fix the issue with the	2014-04-12 13:06:10 -07:00
tsacct.c
uid16.c	userns: Kill nsown_capable it makes the wrong thing easy	2013-08-30 23:44:11 -07:00
up.c	smp: Rename __smp_call_function_single() to smp_call_function_single_async()	2014-02-24 14:47:15 -08:00
user_namespace.c	kernel: audit/fix non-modular users of module_init in core code	2014-04-03 16:21:07 -07:00
user-return-notifier.c
user.c	kernel: audit/fix non-modular users of module_init in core code	2014-04-03 16:21:07 -07:00
utsname_sysctl.c
utsname.c	userns: Kill nsown_capable it makes the wrong thing easy	2013-08-30 23:44:11 -07:00
watchdog.c	kernel/watchdog.c: touch_nmi_watchdog should only touch local cpu not every one	2014-04-03 16:20:58 -07:00
workqueue_internal.h
workqueue.c	Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-04-01 11:00:07 -07:00