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Pavel Emelyanov bac0abd617 Isolate some explicit usage of task->tgid 
With pid namespaces this field is now dangerous to use explicitly, so hide
it behind the helpers.

Also the pid and pgrp fields o task_struct and signal_struct are to be
deprecated.  Unfortunately this patch cannot be sent right now as this
leads to tons of warnings, so start isolating them, and deprecate later.

Actually the p->tgid == pid has to be changed to has_group_leader_pid(),
but Oleg pointed out that in case of posix cpu timers this is the same, and
thread_group_leader() is more preferable.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-19 11:53:40 -07:00
..
irq Compile handle_percpu_irq even for uniprocessor kernels 2007-10-17 08:43:00 -07:00
power Hibernation: Enter platform hibernation state in a consistent way 2007-10-18 14:37:20 -07:00
time kernel/time/clocksource.c: Use list_for_each_entry instead of list_for_each 2007-10-19 11:53:38 -07:00
.gitignore
acct.c whitespace fixes: process accounting 2007-10-18 14:37:24 -07:00
audit.c whitespace fixes: system auditing 2007-10-18 14:37:25 -07:00
audit.h Audit: add TTY input auditing 2007-07-16 09:05:47 -07:00
auditfilter.c whitespace fixes: audit filtering 2007-10-18 14:37:24 -07:00
auditsc.c whitespace fixes: syscall auditing 2007-10-18 14:37:25 -07:00
capability.c Uninline find_task_by_xxx set of functions 2007-10-19 11:53:40 -07:00
cgroup.c Add cgroupstats 2007-10-19 11:53:36 -07:00
cgroup_debug.c Task Control Groups: simple task cgroup debug info subsystem 2007-10-19 11:53:36 -07:00
compat.c Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt 2007-10-18 15:12:41 -07:00
configs.c
cpu.c cpu hotplug: cpu: deliver CPU_UP_CANCELED only to NOTIFY_OKed callbacks with CPU_UP_PREPARE 2007-10-18 14:37:21 -07:00
cpu_acct.c Task Control Groups: example CPU accounting subsystem 2007-10-19 11:53:36 -07:00
cpuset.c Task Control Groups: make cpusets a client of cgroups 2007-10-19 11:53:36 -07:00
delayacct.c Add scaled time to taskstats based process accounting 2007-10-18 14:37:28 -07:00
dma.c whitespace fixes: DMA channel allocator 2007-10-18 14:37:24 -07:00
exec_domain.c whitespace fixes: execution domains 2007-10-18 14:37:26 -07:00
exit.c pid namespaces: changes to show virtual ids to user 2007-10-19 11:53:40 -07:00
extable.c
fork.c pid namespaces: changes to show virtual ids to user 2007-10-19 11:53:40 -07:00
futex.c Uninline find_task_by_xxx set of functions 2007-10-19 11:53:40 -07:00
futex_compat.c Uninline find_task_by_xxx set of functions 2007-10-19 11:53:40 -07:00
hrtimer.c hrtimer: Rework hrtimer_nanosleep to make sys_compat_nanosleep easier 2007-10-18 22:54:18 +02:00
itimer.c whitespace fixes: interval timers 2007-10-18 14:37:26 -07:00
kallsyms.c kallsyms: make KSYM_NAME_LEN include space for trailing '\0' 2007-07-17 10:23:03 -07:00
Kconfig.hz
Kconfig.preempt Move PREEMPT_NOTIFIERS into an always-included Kconfig 2007-10-17 08:42:55 -07:00
kexec.c pid namespaces: define is_global_init() and is_container_init() 2007-10-19 11:53:37 -07:00
kfifo.c is_power_of_2: kernel/kfifo.c 2007-07-16 09:05:50 -07:00
kmod.c Restore call_usermodehelper_pipe() behaviour 2007-09-11 17:21:20 -07:00
kprobes.c kprobes: support kretprobe blacklist 2007-10-16 09:43:10 -07:00
ksysfs.c add-vmcore: cleanup the coding style according to Andrew's comments 2007-10-17 08:42:54 -07:00
kthread.c kthread: silence bogus section mismatch warning 2007-07-31 15:39:42 -07:00
latency.c
lockdep.c workqueue: debug flushing deadlocks with lockdep 2007-10-19 11:53:38 -07:00
lockdep_internals.h
lockdep_proc.c lockdep: Avoid /proc/lockdep & lock_stat infinite output 2007-10-11 22:11:11 +02:00
Makefile cgroups: implement namespace tracking subsystem 2007-10-19 11:53:37 -07:00
module.c whitespace fixes: module loading 2007-10-18 14:37:25 -07:00
mutex-debug.c
mutex-debug.h
mutex.c lockdep: fixup mutex annotations 2007-10-11 22:11:12 +02:00
mutex.h
notifier.c Add kernel/notifier.c 2007-10-19 11:53:34 -07:00
ns_cgroup.c cgroups: implement namespace tracking subsystem 2007-10-19 11:53:37 -07:00
nsproxy.c pid namespaces: allow cloning of new namespace 2007-10-19 11:53:39 -07:00
panic.c whitespace fixes: panic handling 2007-10-18 14:37:25 -07:00
params.c param_sysfs_builtin memchr argument fix 2007-10-18 14:37:21 -07:00
pid.c pid namespaces: remove the struct pid unneeded fields 2007-10-19 11:53:40 -07:00
posix-cpu-timers.c Isolate some explicit usage of task->tgid 2007-10-19 11:53:40 -07:00
posix-timers.c Isolate some explicit usage of task->tgid 2007-10-19 11:53:40 -07:00
printk.c serial: turn serial console suspend a boot rather than compile time option 2007-10-18 14:37:19 -07:00
profile.c make kernel/profile.c:time_hook static 2007-10-17 08:42:55 -07:00
ptrace.c Isolate some explicit usage of task->tgid 2007-10-19 11:53:40 -07:00
rcupdate.c Clean up duplicate includes in kernel/ 2007-10-17 08:42:48 -07:00
rcutorture.c Make rcutorture RNG use temporal entropy 2007-10-17 08:42:53 -07:00
relay.c whitespace fixes: relayfs 2007-10-18 14:37:24 -07:00
resource.c memory unplug: memory hotplug cleanup 2007-10-16 09:43:01 -07:00
rtmutex-debug.c kernel/rtmutex-debug.c: cleanups 2007-10-17 08:42:50 -07:00
rtmutex-debug.h
rtmutex-tester.c Freezer: make kernel threads nonfreezable by default 2007-07-17 10:23:02 -07:00
rtmutex.c FUTEX: Tidy up the code 2007-07-16 09:05:49 -07:00
rtmutex.h
rtmutex_common.h FUTEX: Tidy up the code 2007-07-16 09:05:49 -07:00
rwsem.c lockstat: hook into spinlock_t, rwlock_t, rwsem and mutex 2007-07-19 10:04:49 -07:00
sched.c Uninline find_task_by_xxx set of functions 2007-10-19 11:53:40 -07:00
sched_debug.c sched: reduce schedstat variable overhead a bit 2007-10-18 21:32:56 +02:00
sched_fair.c sched: fix new task startup crash 2007-10-17 16:55:11 +02:00
sched_idletask.c sched: mark scheduling classes as const 2007-10-15 17:00:12 +02:00
sched_rt.c sched: tidy up SCHED_RR 2007-10-15 17:00:13 +02:00
sched_stats.h sched: reduce schedstat variable overhead a bit 2007-10-18 21:32:56 +02:00
seccomp.c make seccomp zerocost in schedule 2007-07-16 09:05:50 -07:00
signal.c Isolate some explicit usage of task->tgid 2007-10-19 11:53:40 -07:00
softirq.c [KERNEL]: Unexport raise_softirq_irqoff 2007-10-10 16:49:18 -07:00
softlockup.c softlockup: add a /proc tuning parameter 2007-10-17 08:42:47 -07:00
spinlock.c lockstat: hook into spinlock_t, rwlock_t, rwsem and mutex 2007-07-19 10:04:49 -07:00
srcu.c
stacktrace.c
stop_machine.c Fix stop_machine_run problem with naughty real time process 2007-07-16 09:05:41 -07:00
sys.c Uninline find_task_by_xxx set of functions 2007-10-19 11:53:40 -07:00
sys_ni.c kernel/sys_ni.c: add dummy sys_ni_syscall() prototype 2007-10-17 08:42:55 -07:00
sysctl.c pid namespaces: changes to show virtual ids to user 2007-10-19 11:53:40 -07:00
sysctl_check.c V3 file capabilities: alter behavior of cap_setpcap 2007-10-18 14:37:24 -07:00
taskstats.c Add cgroupstats 2007-10-19 11:53:36 -07:00
time.c whitespace fixes: time syscalls 2007-10-18 14:37:24 -07:00
timer.c pid namespaces: changes to show virtual ids to user 2007-10-19 11:53:40 -07:00
tsacct.c Add scaled time to taskstats based process accounting 2007-10-18 14:37:28 -07:00
uid16.c
user.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched 2007-10-17 09:11:18 -07:00
user_namespace.c Fix user namespace exiting OOPs 2007-09-19 11:24:18 -07:00
utsname.c Fix UTS corruption during clone(CLONE_NEWUTS) 2007-09-19 11:24:17 -07:00
utsname_sysctl.c remove CONFIG_UTS_NS and CONFIG_IPC_NS 2007-07-16 09:05:47 -07:00
wait.c
workqueue.c workqueue: debug flushing deadlocks with lockdep 2007-10-19 11:53:38 -07:00