Thomas Gleixner e31d6883f2 watchdog/core, powerpc: Lock cpus across reconfiguration ...

Instead of dropping the cpu hotplug lock after stopping NMI watchdog and
threads and reaquiring for restart, the code and the protection rules
become more obvious when holding cpu hotplug lock across the full
reconfiguration.

Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1710022105570.2114@nanos

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

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bpf

bpf: devmap, use cond_resched instead of cpu_relax

2017-09-08 21:11:00 -07:00

cgroup

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

2017-09-12 11:30:56 -07:00

configs

ANDROID: binder: add hwbinder,vndbinder to BINDER_DEVICES.

2017-08-22 18:43:23 -07:00

debug

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events

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

2017-09-06 22:25:25 -07:00

gcov

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irq

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

2017-09-12 11:25:56 -07:00

livepatch

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locking

locking/rtmutex: replace top-waiter and pi_waiters leftmost caching

2017-09-08 18:26:49 -07:00

power

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

2017-09-12 11:30:56 -07:00

printk

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

2017-09-07 21:00:52 -07:00

rcu

treewide: make "nr_cpu_ids" unsigned

2017-09-08 18:26:48 -07:00

sched

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

2017-09-13 12:22:32 -07:00

time

drivers/pps: aesthetic tweaks to PPS-related content

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

trace

Merge branch 'akpm' (patches from Andrew)

2017-09-09 10:30:07 -07:00

.gitignore

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acct.c

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async.c

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audit_fsnotify.c

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audit_tree.c

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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: update the function comments

2017-09-05 09:46:59 -04:00

audit.h

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auditfilter.c

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auditsc.c

audit: update the function comments

2017-09-05 09:46:59 -04:00

backtracetest.c

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bounds.c

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capability.c

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compat.c

Merge branch 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2017-07-06 20:57:13 -07:00

configs.c

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context_tracking.c

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cpu_pm.c

PM / CPU: replace raw_notifier with atomic_notifier

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

cpu.c

watchdog/hardlockup/perf: Prevent CPU hotplug deadlock

2017-09-14 11:41:05 +02:00

crash_core.c

kdump: protect vmcoreinfo data under the crash memory

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

crash_dump.c

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cred.c

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delayacct.c

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dma.c

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elfcore.c

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exec_domain.c

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exit.c

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

2017-09-11 18:34:47 -07:00

extable.c

lib/extable.c: use bsearch() library function in search_extable()

2017-07-10 16:32:35 -07:00

fork.c

Merge tag 'selinux-pr-20170831' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

2017-09-12 13:21:00 -07:00

freezer.c

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futex_compat.c

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futex.c

futex: Remove duplicated code and fix undefined behaviour

2017-08-25 22:49:59 +02:00

groups.c

kernel/groups.c: use sort library function

2017-07-10 16:32:34 -07:00

hung_task.c

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irq_work.c

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jump_label.c

jump_label: Provide hotplug context variants

2017-08-10 12:28:59 +02:00

kallsyms.c

kernel/kallsyms.c: replace all_var with IS_ENABLED(CONFIG_KALLSYMS_ALL)

2017-07-10 16:32:34 -07:00

kcmp.c

kcmp: add KCMP_EPOLL_TFD mode to compare epoll target files

2017-07-12 16:26:01 -07:00

Kconfig.freezer

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Kconfig.hz

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Kconfig.locks

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Kconfig.preempt

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kcov.c

kcov: support compat processes

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

kexec_core.c

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

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

kexec_file.c

kexec_file: adjust declaration of kexec_purgatory

2017-07-12 16:26:02 -07:00

kexec_internal.h

kexec_file: adjust declaration of kexec_purgatory

2017-07-12 16:26:02 -07:00

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: Ensure that jprobe probepoints are at function entry

2017-07-08 11:05:35 +02:00

ksysfs.c

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

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

kthread.c

kernel/kthread.c: kthread_worker: don't hog the cpu

2017-08-31 16:33:15 -07:00

latencytop.c

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Makefile

kmod: move #ifdef CONFIG_MODULES wrapper to Makefile

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

memremap.c

mm/device-public-memory: device memory cache coherent with CPU

2017-09-08 18:26:46 -07:00

module_signing.c

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module-internal.h

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module.c

module: fix ddebug_remove_module()

2017-07-25 15:08:32 +02:00

notifier.c

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nsproxy.c

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padata.c

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panic.c

locking/refcounts, x86/asm: Implement fast refcount overflow protection

2017-08-17 10:40:26 +02:00

params.c

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pid_namespace.c

userns,pidns: Verify the userns for new pid namespaces

2017-07-20 07:43:58 -05:00

pid.c

pids: make task_tgid_nr_ns() safe

2017-08-21 12:47:31 -07:00

profile.c

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ptrace.c

signal: Remove kernel interal si_code magic

2017-07-24 14:30:28 -05:00

range.c

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reboot.c

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relay.c

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resource.c

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seccomp.c

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signal.c

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

2017-09-11 18:34:47 -07:00

smp.c

treewide: make "nr_cpu_ids" unsigned

2017-09-08 18:26:48 -07:00

smpboot.c

watchdog/core, powerpc: Lock cpus across reconfiguration

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

smpboot.h

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softirq.c

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stacktrace.c

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stop_machine.c

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sys_ni.c

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sys.c

prctl: Allow local CAP_SYS_ADMIN changing exe_file

2017-07-20 07:46:07 -05:00

sysctl_binary.c

kernel/sysctl_binary.c: check name array length in deprecated_sysctl_warning()

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

sysctl.c

watchdog/sysctl: Clean up sysctl variable name space

2017-09-14 11:41:07 +02:00

task_work.c

task_work: Replace spin_unlock_wait() with lock/unlock pair

2017-07-25 10:08:58 -07:00

taskstats.c

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test_kprobes.c

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torture.c

torture: Fix typo suppressing CPU-hotplug statistics

2017-07-25 13:04:45 -07:00

tracepoint.c

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tsacct.c

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ucount.c

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uid16.c

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umh.c

kmod: split out umh code into its own file

2017-09-08 18:26:50 -07:00

up.c

smp: Avoid using two cache lines for struct call_single_data

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

user_namespace.c

userns,pidns: Verify the userns for new pid namespaces

2017-07-20 07:43:58 -05:00

user-return-notifier.c

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user.c

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utsname_sysctl.c

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utsname.c

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watchdog_hld.c

watchdog/hardlockup/perf: Fix spelling mistake: "permanetely" -> "permanently"

2017-09-28 12:24:54 +02:00

watchdog.c

watchdog/core, powerpc: Lock cpus across reconfiguration

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

workqueue_internal.h

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workqueue.c

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

2017-09-06 21:59:31 -07:00