diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index fbc89baf7de6..73a0c8e41559 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1200,7 +1200,7 @@ config WQ_CPU_INTENSIVE_REPORT help Say Y here to enable reporting of concurrency-managed per-cpu work items that hog CPUs for longer than - workqueue.cpu_intensive_threshold_us. Workqueue automatically + workqueue.cpu_intensive_thresh_us. Workqueue automatically detects and excludes them from concurrency management to prevent them from stalling other per-cpu work items. Occassional triggering may not necessarily indicate a problem. Repeated @@ -1673,10 +1673,15 @@ menu "Debug kernel data structures" config DEBUG_LIST bool "Debug linked list manipulation" - depends on DEBUG_KERNEL || BUG_ON_DATA_CORRUPTION + depends on DEBUG_KERNEL + select LIST_HARDENED help - Enable this to turn on extended checks in the linked-list - walking routines. + Enable this to turn on extended checks in the linked-list walking + routines. + + This option trades better quality error reports for performance, and + is more suitable for kernel debugging. If you care about performance, + you should only enable CONFIG_LIST_HARDENED instead. If unsure, say N. @@ -1710,16 +1715,6 @@ config DEBUG_NOTIFIERS This is a relatively cheap check but if you care about maximum performance, say N. -config BUG_ON_DATA_CORRUPTION - bool "Trigger a BUG when data corruption is detected" - select DEBUG_LIST - help - Select this option if the kernel should BUG when it encounters - data corruption in kernel memory structures when they get checked - for validity. - - If unsure, say N. - config DEBUG_MAPLE_TREE bool "Debug maple trees" depends on DEBUG_KERNEL |