Oleg Nesterov 986094dfe1 exit: wait: drop tasklist_lock before psig->c* accounting ...

wait_task_zombie() no longer needs tasklist_lock to accumulate the
psig->c* counters, we can drop it right after cmpxchg(exit_state).

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Aaron Tomlin <atomlin@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Sterling Alexander <stalexan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2014-12-10 17:41:17 -08:00

..

bpf

bpf: split eBPF out of NET

2014-10-27 19:09:59 -04:00

configs

x86: Add "make tinyconfig" to configure the tiniest possible kernel

2014-08-08 16:30:24 -07:00

debug

kdb: replace strnicmp with strncasecmp

2014-10-14 02:18:25 +02:00

events

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

2014-12-09 20:55:37 -08:00

gcov

gcov: add ARM64 to GCOV_PROFILE_ALL

2014-10-29 16:33:14 -07:00

irq

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

2014-12-10 09:01:01 -08:00

locking

locking/mutex: Don't assume TASK_RUNNING

2014-10-28 10:55:08 +01:00

power

PM / sleep: Fix entering suspend-to-IDLE if no freeze_oops is set

2014-11-08 22:30:05 +01:00

printk

printk: drop logbuf_cpu volatile qualifier

2014-12-10 17:41:11 -08:00

rcu

Merge branches 'torture.2014.11.03a', 'cpu.2014.11.03a', 'doc.2014.11.13a', 'fixes.2014.11.13a', 'signal.2014.10.29a' and 'rt.2014.10.29a' into HEAD

2014-11-13 10:39:04 -08:00

sched

sched_show_task: fix unsafe usage of ->real_parent

2014-12-10 17:41:09 -08:00

time

Merge branch 'timers-2038-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2014-12-10 10:13:28 -08:00

trace

tracing: Do not risk busy looping in buffer splice

2014-11-10 16:47:31 -05:00

.gitignore

Ignore generated file kernel/x509_certificate_list

2013-12-10 18:21:34 +00:00

acct.c

acct: eliminate compile warning

2014-10-09 22:26:04 -04:00

async.c

kernel/async.c: switch to pr_foo()

2014-10-09 22:26:04 -04:00

audit_tree.c

audit: keep inode pinned

2014-11-11 14:20:22 -05:00

audit_watch.c

audit: invalid op= values for rules

2014-09-23 16:37:53 -04:00

audit.c

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

2014-12-09 21:21:34 -08:00

audit.h

audit: reduce scope of audit_log_fcaps

2014-09-23 16:37:51 -04:00

auditfilter.c

Merge git://git.infradead.org/users/eparis/audit

2014-10-19 16:25:56 -07:00

auditsc.c

Merge git://git.infradead.org/users/eparis/audit

2014-10-19 16:25:56 -07:00

backtracetest.c

kernel/backtracetest.c: replace no level printk by pr_info()

2014-06-04 16:54:14 -07:00

bounds.c

page-cgroup: get rid of NR_PCG_FLAGS

2014-08-08 15:57:18 -07:00

capability.c

CAPABILITIES: remove undefined caps from all processes

2014-07-24 21:53:47 +10:00

cgroup_freezer.c

cgroup: rename cgroup_subsys->base_cftypes to ->legacy_cftypes

2014-07-15 11:05:09 -04:00

cgroup.c

Merge branch 'for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

2014-10-10 07:26:02 -04:00

compat.c

compat: nanosleep: Clarify error handling

2014-09-06 12:58:18 +02:00

configs.c

…

context_tracking.c

sched: stop the unbound recursion in preempt_schedule_context()

2014-10-28 10:46:05 +01:00

cpu_pm.c

…

cpu.c

cpu: Avoid puts_pending overflow

2014-11-03 19:21:01 -08:00

cpuset.c

sched/deadline: Ensure that updates to exclusive cpusets don't break AC

2014-10-28 10:48:00 +01:00

crash_dump.c

crash_dump: Make is_kdump_kernel() accessible from modules

2014-08-25 15:42:19 -07:00

cred.c

…

delayacct.c

delayacct: Remove braindamaged type conversions

2014-07-23 10:18:06 -07:00

dma.c

…

elfcore.c

switch elf_core_write_extra_phdrs() to dump_emit()

2013-11-09 00:16:23 -05:00

exec_domain.c

kernel/exec_domain.c: code clean-up

2014-06-04 16:54:15 -07:00

exit.c

exit: wait: drop tasklist_lock before psig->c* accounting

2014-12-10 17:41:17 -08:00

extable.c

asmlinkage: Make main_extable_sort_needed visible

2014-02-13 18:13:22 -08:00

fork.c

signal: Document the RCU protection of ->sighand

2014-10-29 10:07:18 -07:00

freezer.c

freezer: remove obsolete comments in __thaw_task()

2014-10-21 23:44:20 +02:00

futex_compat.c

compat: Get rid of (get|put)_compat_time(val|spec)

2014-02-02 14:09:12 -08:00

futex.c

futex: Fix a race condition between REQUEUE_PI and task death

2014-10-26 16:16:18 +01:00

groups.c

kernel/groups.c: remove return value of set_groups

2014-04-03 16:21:05 -07:00

hung_task.c

kernel/hung_task.c: convert simple_strtoul to kstrtouint

2014-06-04 16:54:15 -07:00

irq_work.c

Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

2014-10-15 07:48:18 +02:00

jump_label.c

…

kallsyms.c

kernel/kallsyms.c: use __seq_open_private()

2014-10-14 02:18:16 +02:00

kcmp.c

kcmp: fix standard comparison bug

2014-09-10 15:42:12 -07:00

Kconfig.freezer

…

Kconfig.hz

kernel: remove CONFIG_USE_GENERIC_SMP_HELPERS

2013-11-15 09:32:22 +09:00

Kconfig.locks

locking/rwsem: Add CONFIG_RWSEM_SPIN_ON_OWNER

2014-07-16 14:57:13 +02:00

Kconfig.preempt

…

kexec.c

kexec: remove the unused function parameter

2014-10-14 02:18:21 +02:00

kmod.c

usermodehelper: kill the kmod_thread_locker logic

2014-12-10 17:41:17 -08:00

kprobes.c

kprobes: Skip kretprobe hit in NMI context to avoid deadlock

2014-08-08 10:38:04 +02:00

ksysfs.c

kobject: Make support for uevent_helper optional.

2014-04-25 12:00:49 -07:00

kthread.c

kernel/kthread.c: partial revert of 81c98869fa ("kthread: ensure locality of task_struct allocations")

2014-10-09 22:25:51 -04:00

latencytop.c

kernel/latencytop.c: convert seq_printf to seq_puts

2014-06-04 16:54:15 -07:00

Makefile

kernel: res_counter: remove the unused API

2014-12-10 17:41:04 -08:00

module_signing.c

…

module-internal.h

…

module.c

sched, modules: Fix nested sleep in add_unformed_module()

2014-10-28 10:56:30 +01:00

notifier.c

kprobes, notifier: Use NOKPROBE_SYMBOL macro in notifier

2014-04-24 10:26:39 +02:00

nsproxy.c

namespaces: Use task_lock and not rcu to protect nsproxy

2014-07-29 18:08:50 -07:00

padata.c

padata: Fix wrong usage of rcu_dereference()

2013-12-05 21:28:42 +08:00

panic.c

kernel: add panic_on_warn

2014-12-10 17:41:10 -08:00

params.c

kernel/param: consolidate __{start,stop}___param[] in <linux/moduleparam.h>

2014-10-14 02:18:28 +02:00

pid_namespace.c

pid_namespace: pidns_get() should check task_active_pid_ns() != NULL

2014-04-02 16:20:21 -07:00

pid.c

…

profile.c

kernel/profile.c: use static const char instead of static char

2014-06-06 16:08:13 -07:00

ptrace.c

exit: ptrace: shift "reap dead" code from exit_ptrace() to forget_original_parent()

2014-12-10 17:41:10 -08:00

range.c

…

reboot.c

kernel: add support for kernel restart handler call chain

2014-09-26 00:00:06 -07:00

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

resource.c

x86: optimize resource lookups for ioremap

2014-10-14 02:18:22 +02:00

seccomp.c

Merge branch 'x86-seccomp-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2014-10-14 02:27:06 +02:00

signal.c

Merge branch 'x86-mpx-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2014-12-10 09:34:43 -08:00

smp.c

Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

2014-10-15 07:48:18 +02:00

smpboot.c

sched, smp: Correctly deal with nested sleeps

2014-10-28 10:56:24 +01:00

smpboot.h

…

softirq.c

rcu: Remove "cpu" argument to rcu_note_context_switch()

2014-11-03 19:20:34 -08:00

stacktrace.c

…

stop_machine.c

kernel/stop_machine.c: kernel-doc warning fix

2014-06-04 16:54:15 -07:00

sys_ni.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2014-10-08 21:40:54 -04:00

sys.c

x86, mpx: On-demand kernel allocation of bounds tables

2014-11-18 00:58:53 +01:00

sysctl_binary.c

kernel: add panic_on_warn

2014-12-10 17:41:10 -08:00

sysctl.c

kernel: add panic_on_warn

2014-12-10 17:41:10 -08:00

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: validate certificate trust only with builtin keys

2014-07-17 09:35:17 -04:00

task_work.c

…

taskstats.c

scheduler: Replace __get_cpu_var with this_cpu_ptr

2014-08-26 13:45:45 -04:00

test_kprobes.c

kernel/test_kprobes.c: use current logging functions

2014-08-08 15:57:18 -07:00

torture.c

torture: Address race in module cleanup

2014-09-16 13:41:06 -07:00

tracepoint.c

tracing: syscall_regfunc() should not skip kernel threads

2014-06-21 00:15:26 -04:00

tsacct.c

sched: Make task->start_time nanoseconds based

2014-07-23 10:18:05 -07:00

uid16.c

…

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

proc: constify seq_operations

2014-08-08 15:57:22 -07:00

user-return-notifier.c

scheduler: Replace __get_cpu_var with this_cpu_ptr

2014-08-26 13:45:45 -04:00

user.c

kernel/user.c: drop unused field 'files' from user_struct

2014-06-04 16:54:16 -07:00

utsname_sysctl.c

sysctl: convert use of typedef ctl_table to struct ctl_table

2014-06-06 16:08:16 -07:00

utsname.c

namespaces: Use task_lock and not rcu to protect nsproxy

2014-07-29 18:08:50 -07:00

watchdog.c

Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

2014-10-15 07:48:18 +02:00

workqueue_internal.h

workqueue: rename manager_mutex to attach_mutex

2014-05-20 10:59:32 -04:00

workqueue.c

workqueue: Use cond_resched_rcu_qs macro

2014-10-06 05:58:26 -07:00