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linux-stable/drivers/watchdog
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Vladimir Zapolskiy da0d12ff2b watchdog: pretimeout: add panic pretimeout governor 
The change adds panic watchdog pretimeout governor, on watchdog
pretimeout event the kernel shall panic. In general watchdog
pretimeout event means that something essentially bad is going on the
system, for example a process scheduler stalls or watchdog feeder is
killed due to OOM, so printing out information attendant to panic and
before likely unavoidable reboot caused by a watchdog may help to
determine a root cause of the issue.

Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2016-10-08 10:27:17 +02:00
..
acquirewdt.c
advantechwdt.c
alim1535_wdt.c
alim7101_wdt.c
ar7_wdt.c
asm9260_wdt.c watchdog-asm9260: Delete owner assignment 2016-09-23 22:35:45 +02:00
aspeed_wdt.c watchdog: Add Aspeed watchdog driver 2016-07-17 20:59:10 +02:00
at32ap700x_wdt.c
at91rm9200_wdt.c Merge git://www.linux-watchdog.org/linux-watchdog 2015-09-11 15:12:59 -07:00
at91sam9_wdt.c watchdog: at91sam9: get and use slow clock 2015-09-09 21:38:52 +02:00
at91sam9_wdt.h watchdog: add a driver to support SAMA5D4 watchdog timer 2015-09-09 21:38:29 +02:00
ath79_wdt.c
atlas7_wdt.c watchdog: atlas7_wdt: test clock rate to avoid division by 0 2016-03-16 21:09:08 +01:00
bcm47xx_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
bcm63xx_wdt.c
bcm2835_wdt.c watchdog: bcm2835_wdt: remove redundant ->set_timeout callback 2016-07-17 21:03:50 +02:00
bcm7038_wdt.c watchdog: constify watchdog_ops structures 2016-09-24 08:50:10 +02:00
bcm_kona_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
bfin_wdt.c
booke_wdt.c watchdog: booke_wdt: Use infrastructure to check timeout limits 2015-09-09 21:34:34 +02:00
cadence_wdt.c watchdog: constify watchdog_ops structures 2016-09-24 08:50:10 +02:00
coh901327_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
cpu5wdt.c
cpwd.c watchdog: cpwd: Use setup_timer() 2016-05-14 18:25:49 +02:00
da9052_wdt.c watchdog: da9052_wdt: Drop reference counting 2015-12-29 20:36:03 +01:00
da9055_wdt.c watchdog: da9055_wdt: Drop reference counting 2015-12-29 20:36:04 +01:00
da9062_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
da9063_wdt.c watchdog: da9063_wdt: don't trigger watchdog too fast 2016-07-17 21:02:42 +02:00
davinci_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
diag288_wdt.c watchdog: diag288: Stop re-using watchdog core internal flags 2015-12-29 20:36:02 +01:00
digicolor_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
dw_wdt.c watchdog: dw_wdt: Read clock rate only once and validate it 2016-09-23 08:40:55 +02:00
ebc-c384_wdt.c watchdog: ebc-c384_wdt: Utilize the ISA bus driver 2016-05-02 09:32:04 -07:00
ep93xx_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
eurotechwdt.c
f71808e_wdt.c watchdog: f71808e_wdt: Add F81866 support 2016-07-17 21:00:55 +02:00
gef_wdt.c watchdog: Fix module autoload for OF platform driver 2015-09-28 10:56:01 +02:00
geodewdt.c
gpio_wdt.c watchdog: gpio_wdt: Fix missing platform_set_drvdata() in gpio_wdt_probe() 2016-07-27 10:47:43 +02:00
hpwdt.c watchdog: hpwdt: add support for iLO5 2016-10-03 08:37:41 +02:00
i6300esb.c
ib700wdt.c
ibmasr.c
ie6xx_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
imgpdc_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
imx2_wdt.c watchdog: imx2_wdt: use preferred BIT macro instead of open coded values 2016-09-24 09:27:12 +02:00
indydog.c
intel-mid_wdt.c watchdog: intel-mid: add Magic Closure flag 2015-10-28 22:58:32 +01:00
intel_scu_watchdog.c
intel_scu_watchdog.h
iop_wdt.c
it87_wdt.c
it8712f_wdt.c
iTCO_vendor.h
iTCO_vendor_support.c
iTCO_wdt.c watchdog: iTCO_wdt: constify iTCO_wdt_pm structure 2016-09-24 08:49:51 +02:00
ixp4xx_wdt.c
jz4740_wdt.c watchdog: remove error message when unable to allocate watchdog device 2016-05-14 16:24:43 +02:00
Kconfig watchdog: pretimeout: add panic pretimeout governor 2016-10-08 10:27:17 +02:00
kempld_wdt.c watchdog: constify watchdog_ops structures 2016-09-24 08:50:10 +02:00
ks8695_wdt.c char: make misc_deregister a void function 2015-08-05 10:35:49 -07:00
lantiq_wdt.c
lpc18xx_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
m54xx_wdt.c
machzwd.c
Makefile watchdog: pretimeout: add panic pretimeout governor 2016-10-08 10:27:17 +02:00
max63xx_wdt.c watchdog: max63xx: make module's license marker match the header 2016-01-31 16:51:56 +01:00
max77620_wdt.c watchdog: max77620: Add support for watchdog timer 2016-07-17 21:01:07 +02:00
mei_wdt.c watchdog: mei_wdt: re-register device on event 2016-02-07 13:00:52 -08:00
mena21_wdt.c watchdog: mena21: Do not use device pointer from struct watchdog_device 2015-12-28 23:04:06 +01:00
menf21bmc_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
meson_gxbb_wdt.c watchdog: Add Meson GXBB Watchdog Driver 2016-07-17 21:03:25 +02:00
meson_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
mixcomwd.c
moxart_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
mpc8xxx_wdt.c watchdog: mpc8xxx: use better error code when watchdog cannot be enabled 2015-09-09 21:37:51 +02:00
mt7621_wdt.c watchdog: mt7621_wdt: Remove assignment of dev pointer 2016-09-24 08:59:31 +02:00
mtk_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
mtx-1_wdt.c
mv64x60_wdt.c
ni903x_wdt.c watchdog: ni903x_wdt: Add NI 903x/913x watchdog driver 2016-03-01 16:25:39 +01:00
nuc900_wdt.c
nv_tco.c watchdog: add support for MCP78S chipset in nv_tco 2016-07-17 21:04:13 +02:00
nv_tco.h
octeon-wdt-main.c watchdog: octeon: Handle the FROZEN hot plug notifier actions. 2016-05-14 09:22:21 +02:00
octeon-wdt-nmi.S
of_xilinx_wdt.c watchdog: xilinx: Add clock support 2016-09-23 22:04:09 +02:00
omap_wdt.c watchdog: omap: don't disable the timer when it should be enabled early 2015-12-27 21:09:40 +01:00
omap_wdt.h watchdog: omap_wdt: implement get_timeleft 2015-06-22 15:54:35 +02:00
orion_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
pc87413_wdt.c
pcwd.c watchdog: pcwd: Utilize the module_isa_driver macro 2016-07-17 20:59:23 +02:00
pcwd_pci.c
pcwd_usb.c watchdog: pcwd_usb: don't print error when allocating urb fails 2016-09-23 08:43:06 +02:00
pic32-dmt.c watchdog: pic32-dmt: Remove .owner field for driver 2016-07-25 12:02:32 +02:00
pic32-wdt.c watchdog: pic32-wdt: Fix return value check in pic32_wdt_drv_probe() 2016-07-25 12:02:43 +02:00
pika_wdt.c
pnx833x_wdt.c
pnx4008_wdt.c watchdog: pnx4008: restart: support "cmd" from userspace 2016-03-16 21:09:42 +01:00
pretimeout_noop.c watchdog: pretimeout: add noop pretimeout governor 2016-10-08 10:27:13 +02:00
pretimeout_panic.c watchdog: pretimeout: add panic pretimeout governor 2016-10-08 10:27:17 +02:00
qcom-wdt.c watchdog: qcom: configure BARK time in addition to BITE time 2016-07-17 21:03:14 +02:00
rc32434_wdt.c watchdog: rc32434_wdt: fix ioctl error handling 2016-03-01 15:29:42 +01:00
rdc321x_wdt.c
renesas_wdt.c watchdog: renesas-wdt: add driver 2016-05-14 18:15:40 +02:00
retu_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
riowd.c
rn5t618_wdt.c watchdog: constify watchdog_ops structures 2016-09-24 08:50:10 +02:00
rt2880_wdt.c watchdog: rt2880_wdt: Remove assignment of dev pointer 2016-09-24 08:59:23 +02:00
s3c2410_wdt.c watchdog: s3c2410_wdt: Add max and min timeout values 2016-03-16 21:08:09 +01:00
sa1100_wdt.c
sama5d4_wdt.c watchdog: add a driver to support SAMA5D4 watchdog timer 2015-09-09 21:38:29 +02:00
sb_wdog.c
sbc60xxwdt.c
sbc7240_wdt.c
sbc8360.c
sbc_epx_c3.c
sbc_fitpc2_wdt.c
sbsa_gwdt.c watchdog: sbsa: Drop status function 2016-07-19 10:09:12 +02:00
sc520_wdt.c
sc1200wdt.c
sch311x_wdt.c
scx200_wdt.c
shwdt.c watchdog: shwdt: Use setup_timer() 2016-05-14 18:25:56 +02:00
sirfsoc_wdt.c watchdog: sirf: fix __iomem * warnings 2016-07-17 21:00:44 +02:00
smsc37b787_wdt.c
softdog.c watchdog: constify watchdog_ops structures 2016-09-24 08:50:10 +02:00
sp805_wdt.c watchdog: sp805: ping fails to abort wdt reset 2016-01-31 16:52:08 +01:00
sp5100_tco.c watchdog: sp5100_tco: properly check for new register layouts 2016-05-14 16:16:04 +02:00
sp5100_tco.h
st_lpc_wdt.c watchdog: st_wdt: Remove support for obsolete platforms 2016-09-24 08:59:49 +02:00
stmp3xxx_rtc_wdt.c watchdog: stmp3xxx: Remove unused variables 2016-01-11 21:51:28 +01:00
sun4v_wdt.c Add sun4v_wdt watchdog driver 2016-01-31 11:06:24 -08:00
sunxi_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
tangox_wdt.c watchdog: tangox: Set max_hw_heartbeat_ms instead of max_timeout 2016-07-18 12:10:21 +02:00
tegra_wdt.c watchdog: tegra: constify watchdog_ops structures 2016-09-24 08:50:03 +02:00
ts72xx_wdt.c char: make misc_deregister a void function 2015-08-05 10:35:49 -07:00
ts4800_wdt.c watchdog: ts4800: add driver for TS-4800 watchdog 2015-12-28 22:29:35 +01:00
twl4030_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
txx9wdt.c watchdog: txx9wdt: Add missing clock (un)prepare calls for CCF 2016-09-23 22:36:32 +02:00
ux500_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
via_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
w83627hf_wdt.c watchdog: constify watchdog_ops structures 2016-09-24 08:50:10 +02:00
w83877f_wdt.c
w83977f_wdt.c watchdog: w83977f_wdt: underflow in wdt_set_timeout() 2015-11-23 08:59:30 +01:00
wafer5823wdt.c
watchdog_core.c watchdog: core: Fix devres_alloc() allocation size 2016-09-23 08:37:14 +02:00
watchdog_core.h watchdog: Create watchdog device in watchdog_dev.c 2015-12-29 20:36:01 +01:00
watchdog_dev.c watchdog: add watchdog pretimeout governor framework 2016-10-08 10:27:10 +02:00
watchdog_pretimeout.c watchdog: pretimeout: add panic pretimeout governor 2016-10-08 10:27:17 +02:00
watchdog_pretimeout.h watchdog: pretimeout: add panic pretimeout governor 2016-10-08 10:27:17 +02:00
wd501p.h
wdrtas.c
wdt.c
wdt285.c
wdt977.c
wdt_pci.c
wm831x_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
wm8350_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
xen_wdt.c
ziirave_wdt.c watchdog: ziirave_wdt: Add support to upload the firmware. 2016-09-23 22:34:24 +02:00