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kernel: Add CONFIG_KERNEL_HARDLOCKUP_DETECTOR

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Make it possible to change the kernel configuration option
CONFIG_HARDLOCKUP_DETECTOR from OpenWrt.

Signed-off-by: Hauke Mehrtens <hmehrtens@maxlinear.com>
This commit is contained in:
Hauke Mehrtens 2023-03-08 21:31:20 +01:00 committed by Hauke Mehrtens
parent 0f5ba14791
commit b844716158
2 changed files with 13 additions and 0 deletions
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12
config/Config-kernel.in
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@ -541,6 +541,18 @@ config KERNEL_SOFTLOCKUP_DETECTOR
chance to run. The current stack trace is displayed upon chance to run. The current stack trace is displayed upon
detection and the system will stay locked up. detection and the system will stay locked up.
config KERNEL_HARDLOCKUP_DETECTOR
bool "Compile the kernel with detect Hard Lockups"
depends on KERNEL_DEBUG_KERNEL
help
Say Y here to enable the kernel to act as a watchdog to detect
hard lockups.
Hardlockups are bugs that cause the CPU to loop in kernel mode
for more than 10 seconds, without letting other interrupts have a
chance to run. The current stack trace is displayed upon detection
and the system will stay locked up.
config KERNEL_DETECT_HUNG_TASK config KERNEL_DETECT_HUNG_TASK
bool "Compile the kernel with detect Hung Tasks" bool "Compile the kernel with detect Hung Tasks"
depends on KERNEL_DEBUG_KERNEL depends on KERNEL_DEBUG_KERNEL

1
target/linux/generic/config-5.15
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@ -711,6 +711,7 @@ CONFIG_BLOCK=y
# CONFIG_BONDING is not set # CONFIG_BONDING is not set
# CONFIG_BOOKE_WDT is not set # CONFIG_BOOKE_WDT is not set
CONFIG_BOOKE_WDT_DEFAULT_TIMEOUT=3 CONFIG_BOOKE_WDT_DEFAULT_TIMEOUT=3
# CONFIG_BOOTPARAM_HARDLOCKUP_PANIC is not set
# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set # CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
# CONFIG_BOOTTIME_TRACING is not set # CONFIG_BOOTTIME_TRACING is not set