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Laurence Oberman 1129505552 watchdog/core: Add watchdog_thresh command line parameter 
The hard and soft lockup detector threshold has a default value of 10
seconds which can only be changed via sysctl.

During early boot lockup detection can trigger when noisy debugging emits
a large amount of messages to the console, but there is no way to set a
larger threshold on the kernel command line. The detector can only be
completely disabled.

Add a new watchdog_thresh= command line parameter to allow boot time
control over the threshold. It works in the same way as the sysctl and
affects both the soft and the hard lockup detectors.

Signed-off-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: rdunlap@infradead.org
Cc: prarit@redhat.com
Link: https://lkml.kernel.org/r/1541079018-13953-1-git-send-email-loberman@redhat.com
2018-11-01 14:33:35 +01:00
..
ABI
Staging/IIO patches for 4.20-rc1
2018-10-29 10:38:10 -07:00
accelerators
ocxl: Document new OCXL IOCTLs
2018-06-03 20:40:33 +10:00
accounting
psi: cgroup support
2018-10-26 16:26:32 -07:00
acpi
ACPI: property: graph: Update graph documentation to use generic references
2018-07-23 12:44:52 +02:00
admin-guide
watchdog/core: Add watchdog_thresh command line parameter
2018-11-01 14:33:35 +01:00
aoe
…
arm
ARM: SoC device tree updates for 4.20
2018-10-29 15:05:20 -07:00
arm64
Documentation/arm64: HugeTLB page implementation
2018-10-10 18:08:36 +01:00
auxdisplay
Doc: misc-devices: move lcd-panel-cgram.txt to auxdisplay/
2018-04-12 16:08:02 +02:00
backlight
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block
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
blockdev
This is a fairly typical cycle for documentation. There's some welcome
2018-10-24 18:01:11 +01:00
bpf
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2018-08-07 11:02:05 -07:00
bus-devices
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cdrom
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
cgroup-v1
Merge branch 'for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2018-10-25 17:15:46 -07:00
cma
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connector
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console
Documentation: corrections to console/console.txt
2018-08-10 16:09:40 -06:00
core-api
docs/boot-time-mm: remove bootmem documentation
2018-10-31 08:54:16 -07:00
cpu-freq
cpufreq: Drop cpufreq_table_validate_and_show()
2018-04-10 08:40:45 +02:00
cpuidle
cpuidle: Add definition of residency to sysfs documentation
2018-04-09 13:44:37 +02:00
crypto
crypto: remove redundant type flags from tfm allocation
2018-07-09 00:30:29 +08:00
dev-tools
docs: dev-tools: coccinelle: Update documentation
2018-08-31 16:51:59 -06:00
device-mapper
This is a fairly typical cycle for documentation. There's some welcome
2018-10-24 18:01:11 +01:00
devicetree
This time it looks like a quieter release cycle in the clk tree. I guess that's
2018-10-31 11:08:30 -07:00
doc-guide
Documentation/sphinx: allow "functions" with no parameters
2018-06-30 07:52:42 -06:00
driver-api
Char/Misc driver patches for 4.20-rc1
2018-10-26 09:11:43 -07:00
driver-model
dmaengine: add a new helper dmaenginem_async_device_register
2018-07-30 10:50:22 +05:30
early-userspace
initramfs: move gen_initramfs_list.sh from scripts/ to usr/
2018-08-22 23:21:44 +09:00
EDID
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extcon
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fault-injection
Documentation: nvme: Documentation for nvme fault injection
2018-03-26 08:53:43 -06:00
fb
This is a fairly typical cycle for documentation. There's some welcome
2018-10-24 18:01:11 +01:00
features
ARM: 8777/1: Hook up SYNC_CORE functionality for sys_membarrier()
2018-07-11 11:02:08 +01:00
filesystems
The highlights are:
2018-10-31 14:42:31 -07:00
firmware_class
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fmc
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
fpga
docs: fpga: add a document for FPGA Device Feature List (DFL) Framework Overview
2018-07-15 13:55:44 +02:00
gpio
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
gpu
Merge branch 'drm-next-4.20' of git://people.freedesktop.org/~agd5f/linux into drm-next
2018-09-21 09:52:53 +10:00
hid
…
hwmon
hwmon: (ina3221) Read channel input source info from DT
2018-10-10 20:37:13 -07:00
i2c
i2c: refactor function to release a DMA safe buffer
2018-08-30 23:13:15 +02:00
ia64
ia64: doc: tweak whitespace for 'console=' parameter
2018-03-05 14:41:38 -08:00
ide
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
iio
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infiniband
Documentation/ABI: update infiniband sysfs interfaces
2018-02-23 08:18:33 -07:00
input
Input: Add the REL_WHEEL_HI_RES event code
2018-09-05 10:12:07 +02:00
ioctl
drm pull for 4.20-rc1
2018-10-28 17:49:53 -07:00
isdn
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
kbuild
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
kdump
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kernel-hacking
doc:it_IT: translation for kernel-hacking
2018-07-26 16:21:09 -06:00
laptops
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
leds
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
lightnvm
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livepatch
livepatch: Remove not longer valid limitations from the documentation
2018-05-24 15:37:57 +02:00
locking
This is a fairly typical cycle for documentation. There's some welcome
2018-10-24 18:01:11 +01:00
m68k
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
maintainer
docs: Fix more broken references
2018-06-15 18:11:26 -03:00
md
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media
media updates for v4.20-rc1
2018-10-31 10:53:29 -07:00
memory-devices
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mic
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mips
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
misc-devices
pci_endpoint_test: Add 2 ioctl commands
2018-07-19 11:46:57 +01:00
mmc
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
mtd
Documentation: mtd: remove stale pxa3xx NAND controller documentation
2018-09-04 23:37:38 +02:00
namespaces
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netlabel
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
networking
This is a fairly typical cycle for documentation. There's some welcome
2018-10-24 18:01:11 +01:00
nfc
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nios2
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nvdimm
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nvmem
Documentation: nvmem: document cell tables and lookup entries
2018-09-28 15:14:54 +02:00
openrisc
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parisc
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
PCI
pci-v4.20-changes
2018-10-25 06:50:48 -07:00
pcmcia
pcmcia: remove long deprecated pcmcia_request_exclusive_irq() function
2018-08-18 12:30:42 -07:00
perf
drivers/bus: Move Arm CCN PMU driver
2018-03-06 17:26:15 +01:00
phy
…
platform
…
power
This is a fairly typical cycle for documentation. There's some welcome
2018-10-24 18:01:11 +01:00
powerpc
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
pps
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process
This is a fairly typical cycle for documentation. There's some welcome
2018-10-24 18:01:11 +01:00
pti
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ptp
ptp: Fix documentation to match code.
2018-03-26 12:13:21 -04:00
rapidio
Documentation: rapidio: move sysfs interface to ABI
2018-02-23 08:25:45 -07:00
RCU
This is a fairly typical cycle for documentation. There's some welcome
2018-10-24 18:01:11 +01:00
riscv
perf: riscv: Add Document for Future Porting Guide
2018-06-04 14:02:11 -07:00
s390
KVM updates for v4.20
2018-10-25 17:57:35 -07:00
scheduler
This is a fairly typical cycle for documentation. There's some welcome
2018-10-24 18:01:11 +01:00
scsi
SCSI misc on 20181024
2018-10-25 07:40:30 -07:00
security
This is a fairly typical cycle for documentation. There's some welcome
2018-10-24 18:01:11 +01:00
serial
TTY/Serial patches for 4.20-rc1
2018-10-29 10:42:20 -07:00
sh
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sound
ALSA: doc: Brush up the old writing-an-alsa-driver
2018-10-18 10:30:01 +02:00
sparc
sparc64: Add support for ADI (Application Data Integrity)
2018-03-18 07:38:48 -07:00
sphinx
Documentation/sphinx: allow "functions" with no parameters
2018-06-30 07:52:42 -06:00
sphinx-static
docs: improve readability for people with poorer eyesight
2018-10-07 09:16:50 -06:00
spi
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
sysctl
bpf: add bpf_jit_limit knob to restrict unpriv allocations
2018-10-25 17:11:42 -07:00
target
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thermal
thermal: Add cooling device's statistics in sysfs
2018-04-02 21:49:01 +08:00
timers
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
trace
The biggest change here is the updates to kprobes
2018-10-30 09:49:56 -07:00
translations
This was a moderately busy cycle for docs, with the usual collection of
2018-08-14 14:29:31 -07:00
usb
USB-serial updates for v4.19-rc1
2018-07-20 21:47:15 +02:00
userspace-api
audit/stable-4.18 PR 20180605
2018-06-06 16:34:00 -07:00
virtual
KVM updates for v4.20
2018-10-25 17:57:35 -07:00
vm
slub: extend slub debug to handle multiple slabs
2018-10-26 16:25:19 -07:00
w1
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00
watchdog
documentation: watchdog: add documentation for armada-37xx-wdt
2018-10-13 15:19:40 +02:00
wimax
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x86
mm: remove references to vm_insert_pfn()
2018-10-26 16:25:20 -07:00
xilinx
Documentation: xilinx: Add documentation for eemi APIs
2018-10-09 13:26:05 +02:00
xtensa
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.gitignore
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atomic_bitops.txt
locking/atomic/bitops: Document and clarify ordering semantics for failed test_and_{}_bit()
2018-02-13 14:55:53 +01:00
atomic_t.txt
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bt8xxgpio.txt
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btmrvl.txt
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bus-virt-phys-mapping.txt
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Changes
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clearing-warn-once.txt
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CodingStyle
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conf.py
This is a fairly typical cycle for documentation. There's some welcome
2018-10-24 18:01:11 +01:00
cpu-load.txt
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cputopology.txt
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crc32.txt
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dcdbas.txt
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debugging-modules.txt
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debugging-via-ohci1394.txt
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dell_rbu.txt
Documentation: remove stale firmware API reference
2018-05-14 16:44:41 +02:00
digsig.txt
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DMA-API-HOWTO.txt
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DMA-API.txt
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DMA-attributes.txt
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DMA-ISA-LPC.txt
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docutils.conf
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dontdiff
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efi-stub.txt
efi_stub: update documentation on dtb= parameter
2018-09-09 14:46:44 -06:00
eisa.txt
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flexible-arrays.txt
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futex-requeue-pi.txt
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gcc-plugins.txt
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highuid.txt
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hw_random.txt
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hwspinlock.txt
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index.rst
docs: tidy up TOCs and refs to license-rules.rst
2018-08-31 16:50:50 -06:00
intel_txt.txt
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Intel-IOMMU.txt
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io_ordering.txt
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io-mapping.txt
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iostats.txt
block: Track DISCARD statistics and output them in stat and diskstat
2018-07-18 08:44:22 -06:00
IPMI.txt
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IRQ-affinity.txt
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IRQ-domain.txt
irqdomain: Kill CONFIG_IRQ_DOMAIN_DEBUG
2018-01-24 12:32:58 +01:00
IRQ.txt
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irqflags-tracing.txt
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isa.txt
…
isapnp.txt
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kernel-per-CPU-kthreads.txt
doc: Update removal of RCU-bh/sched update machinery
2018-08-30 10:59:48 -07:00
kobject.txt
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kprobes.txt
kprobes/Documentation: Fix various typos
2018-06-22 11:10:55 +02:00
kref.txt
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ldm.txt
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lockup-watchdogs.txt
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logo.gif
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logo.txt
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lsm.txt
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lzo.txt
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mailbox.txt
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Makefile
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memory-barriers.txt
locking/memory-barriers: Replace smp_cond_acquire() with smp_cond_load_acquire()
2018-10-02 10:28:05 +02:00
men-chameleon-bus.txt
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nommu-mmap.txt
Documentation: nommu-map: Fix duplicate word typo
2018-06-26 09:01:27 -06:00
ntb.txt
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numastat.txt
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padata.txt
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parport-lowlevel.txt
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percpu-rw-semaphore.txt
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phy.txt
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pi-futex.txt
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pnp.txt
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preempt-locking.txt
Documentation: preempt-locking: Use better example
2018-10-12 11:35:47 -06:00
pwm.txt
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rbtree.txt
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remoteproc.txt
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rfkill.txt
rfkill: Fix several typos in documentation
2018-06-15 13:36:08 +02:00
robust-futex-ABI.txt
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robust-futexes.txt
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rpmsg.txt
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rtc.txt
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SAK.txt
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sgi-ioc4.txt
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siphash.txt
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SM501.txt
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smsc_ece1099.txt
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speculation.txt
Documentation: Document array_index_nospec
2018-01-30 21:54:28 +01:00
static-keys.txt
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SubmittingPatches
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svga.txt
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switchtec.txt
NTB: switchtec_ntb: Update switchtec documentation with prerequisites for NTB
2018-10-11 11:28:53 -05:00
sync_file.txt
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tee.txt
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this_cpu_ops.txt
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unaligned-memory-access.txt
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vfio-mediated-device.txt
vfio/mdev: Check globally for duplicate devices
2018-06-08 10:24:27 -06:00
vfio.txt
vfio: fix documentation
2018-05-08 09:16:41 -06:00
video-output.txt
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xillybus.txt
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xz.txt
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zorro.txt
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