diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index dc0e0c6ed075..9c189668e6f6 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1420,12 +1420,20 @@ config PROVE_LOCKING config PROVE_RAW_LOCK_NESTING bool "Enable raw_spinlock - spinlock nesting checks" if !ARCH_SUPPORTS_RT depends on PROVE_LOCKING - default y if ARCH_SUPPORTS_RT + default n help Enable the raw_spinlock vs. spinlock nesting checks which ensure that the lock nesting rules for PREEMPT_RT enabled kernels are not violated. + NOTE: There are known nesting problems. So if you enable this + option expect lockdep splats until these problems have been fully + addressed which is work in progress. This config switch allows to + identify and analyze these problems. It will be removed and the + check permanently enabled once the main issues have been fixed. + + If unsure, select N. + config LOCK_STAT bool "Lock usage statistics" depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT |