Frederic Weisbecker 1bda3f8087 sched/isolation: Isolate workqueues when "nohz_full=" is set ...

As we prepare for offloading the residual 1hz scheduler ticks to
workqueue, let's affine those to housekeepers so that they don't
interrupt the CPUs that don't want to be disturbed.

Signed-off-by: Frederic Weisbecker <[email protected]>
Reviewed-by: Thomas Gleixner <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Cc: Chris Metcalf <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Luiz Capitulino <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Wanpeng Li <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>

2018-02-21 09:49:08 +01:00

..

bpf

bpf: sockmap, fix leaking maps with attached but not detached progs

2018-02-06 11:39:32 +01:00

cgroup

kernel/cpuset: current_cpuset_is_being_rebound can be boolean

2018-02-06 18:32:47 -08:00

configs

Merge tag 'kvm-4.16-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2018-02-10 13:16:35 -08:00

debug

signal: Simplify and fix kdb_send_sig

2018-01-03 18:01:08 -06:00

events

vfs: do bulk POLL* -> EPOLL* replacement

2018-02-11 14:34:03 -08:00

gcov

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

irq

irqdomain: Re-use DEFINE_SHOW_ATTRIBUTE() macro

2018-02-16 14:22:34 +00:00

livepatch

Merge branch 'for-4.16/remove-immediate' into for-linus

2018-01-31 16:36:38 +01:00

locking

locking/qspinlock: Ensure node->count is updated before initialising node

2018-02-13 14:50:14 +01:00

power

x86/power: Fix swsusp_arch_resume prototype

2018-02-02 23:33:50 +01:00

printk

vfs: do bulk POLL* -> EPOLL* replacement

2018-02-11 14:34:03 -08:00

rcu

Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

2018-01-31 11:23:28 -08:00

sched

sched/isolation: Isolate workqueues when "nohz_full=" is set

2018-02-21 09:49:08 +01:00

time

nohz: Allow to check if remote CPU tick is stopped

2018-02-21 09:49:08 +01:00

trace

vfs: do bulk POLL* -> EPOLL* replacement

2018-02-11 14:34:03 -08:00

.gitignore

…

acct.c

kernel/acct.c: fix the acct->needcheck check in check_free_space()

2018-01-04 16:45:09 -08:00

async.c

kernel/async.c: revert "async: simplify lowest_in_progress()"

2018-02-06 18:32:44 -08:00

audit_fsnotify.c

…

audit_tree.c

Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2017-11-14 14:08:20 -08:00

audit_watch.c

Merge tag 'audit-pr-20170816' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

2017-08-16 16:48:34 -07:00

audit.c

Audit: remove unused audit_log_secctx function

2017-11-10 16:08:47 -05:00

audit.h

Merge tag 'audit-pr-20171113' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

2017-11-15 13:28:48 -08:00

auditfilter.c

audit: filter PATH records keyed on filesystem magic

2017-11-10 16:08:56 -05:00

auditsc.c

Merge tag 'audit-pr-20171113' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

2017-11-15 13:28:48 -08:00

backtracetest.c

…

bounds.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

capability.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

compat.c

cpumask: make cpumask_size() return "unsigned int"

2018-02-06 18:32:45 -08:00

configs.c

…

context_tracking.c

…

cpu_pm.c

PM / CPU: replace raw_notifier with atomic_notifier

2017-07-31 13:09:49 +02:00

cpu.c

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

2017-12-31 12:30:34 -08:00

crash_core.c

kdump: write correct address of mem_section into vmcoreinfo

2018-01-13 10:42:48 -08:00

crash_dump.c

…

cred.c

…

delayacct.c

delayacct: Account blkio completion on the correct task

2018-01-16 03:29:36 +01:00

dma.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

elfcore.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

exec_domain.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

exit.c

kernel/exit.c: export abort() to modules

2018-01-04 16:45:09 -08:00

extable.c

kprobes, x86/alternatives: Use text_mutex to protect smp_alt_modules

2017-11-07 12:20:09 +01:00

fail_function.c

error-injection: Support fault injection framework

2018-01-12 17:33:38 -08:00

fork.c

Merge branch 'akpm' (patches from Andrew)

2018-02-06 22:15:42 -08:00

freezer.c

…

futex_compat.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

futex.c

pids: introduce find_get_task_by_vpid() helper

2018-02-06 18:32:46 -08:00

groups.c

kernel: make groups_sort calling a responsibility group_info allocators

2017-12-14 16:00:49 -08:00

hung_task.c

…

irq_work.c

irq/work: Improve the flag definitions

2018-01-08 19:43:15 +01:00

jump_label.c

sched/core: Fix cpu.max vs. cpuhotplug deadlock

2018-01-24 10:03:44 +01:00

kallsyms.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk

2018-02-01 13:36:15 -08:00

kcmp.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

Kconfig.freezer

…

Kconfig.hz

…

Kconfig.locks

…

Kconfig.preempt

…

kcov.c

kcov: detect double association with a single task

2018-02-06 18:32:46 -08:00

kexec_core.c

x86/mm, kexec: Allow kexec to be used with SME

2017-07-18 11:38:04 +02:00

kexec_file.c

resource: Provide resource struct in resource walk callback

2017-11-07 15:35:57 +01:00

kexec_internal.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

kexec.c

kdump: protect vmcoreinfo data under the crash memory

2017-07-12 16:26:00 -07:00

kmod.c

kmod: move #ifdef CONFIG_MODULES wrapper to Makefile

2017-09-08 18:26:51 -07:00

kprobes.c

kprobes: Propagate error from disarm_kprobe_ftrace()

2018-02-16 09:12:58 +01:00

ksysfs.c

kexec: move vmcoreinfo out of the kernel's .bss section

2017-07-12 16:25:59 -07:00

kthread.c

treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE casts

2017-11-21 16:35:54 -08:00

latencytop.c

…

Makefile

error-injection: Support fault injection framework

2018-01-12 17:33:38 -08:00

memremap.c

mm: Fix devm_memremap_pages() collision handling

2018-01-19 16:29:56 -08:00

module_signing.c

…

module-internal.h

…

module.c

Merge tag 'modules-for-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux

2018-02-07 14:29:34 -08:00

notifier.c

…

nsproxy.c

…

padata.c

padata: add SPDX identifier

2018-01-05 18:43:00 +11:00

panic.c

kernel/panic.c: add TAINT_AUX

2017-11-17 16:10:04 -08:00

params.c

kernel/params.c: improve STANDARD_PARAM_DEF readability

2017-10-03 17:54:26 -07:00

pid_namespace.c

pid: remove pidhash

2017-11-17 16:10:04 -08:00

pid.c

pids: introduce find_get_task_by_vpid() helper

2018-02-06 18:32:46 -08:00

profile.c

…

ptrace.c

pids: introduce find_get_task_by_vpid() helper

2018-02-06 18:32:46 -08:00

range.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

reboot.c

kernel/reboot.c: add devm_register_reboot_notifier()

2017-11-17 16:10:04 -08:00

relay.c

vfs: do bulk POLL* -> EPOLL* replacement

2018-02-11 14:34:03 -08:00

resource.c

Merge branch 'akpm' (patches from Andrew)

2018-02-06 22:15:42 -08:00

seccomp.c

Merge branch 'next-seccomp' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

2018-01-31 13:44:45 -08:00

signal.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching

2018-01-31 13:02:18 -08:00

smp.c

smp/core: Use lockdep to assert IRQs are disabled/enabled

2017-11-08 11:13:50 +01:00

smpboot.c

watchdog/core, powerpc: Lock cpus across reconfiguration

2017-10-04 10:53:54 +02:00

smpboot.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

softirq.c

softirq: Eliminate cond_resched_rcu_qs() in favor of cond_resched()

2017-12-04 10:28:58 -08:00

stacktrace.c

…

stop_machine.c

…

sys_ni.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

sys.c

fix typo in assignment of fs default overflow gid

2017-12-14 16:01:45 -06:00

sysctl_binary.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

sysctl.c

pipe: reject F_SETPIPE_SZ with size over UINT_MAX

2018-02-06 18:32:47 -08:00

task_work.c

locking/barriers: Convert users of lockless_dereference() to READ_ONCE()

2017-12-17 13:57:15 +01:00

taskstats.c

pids: introduce find_get_task_by_vpid() helper

2018-02-06 18:32:46 -08:00

test_kprobes.c

kprobes: Disable the jprobes test code

2017-10-20 11:02:54 +02:00

torture.c

torture: Save a line in stutter_wait(): while -> for

2017-12-11 09:18:30 -08:00

tracepoint.c

tracepoint: Remove smp_read_barrier_depends() from comment

2017-12-04 10:52:56 -08:00

tsacct.c

…

ucount.c

…

uid16.c

kernel: make groups_sort calling a responsibility group_info allocators

2017-12-14 16:00:49 -08:00

umh.c

kernel/umh.c: optimize 'proc_cap_handler()'

2017-11-17 16:10:01 -08:00

up.c

smp: Avoid using two cache lines for struct call_single_data

2017-08-29 15:14:38 +02:00

user_namespace.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2017-11-16 12:20:15 -08:00

user-return-notifier.c

…

user.c

userns: use union in {g,u}idmap struct

2017-10-31 17:22:58 -05:00

utsname_sysctl.c

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utsname.c

…

watchdog_hld.c

Merge branch 'linus' into core/urgent, to pick up dependent commits

2017-11-04 08:53:04 +01:00

watchdog.c

Merge branch 'linus' into sched/core, to pick up fixes

2017-11-08 10:17:15 +01:00

workqueue_internal.h

Merge branch 'for-4.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

2017-11-06 12:26:49 -08:00

workqueue.c

sched/isolation: Isolate workqueues when "nohz_full=" is set

2018-02-21 09:49:08 +01:00