diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 2403a63b5da..35c4565ee8f 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -452,7 +452,8 @@ config SLUB_STATS config DEBUG_KMEMLEAK bool "Kernel memory leak detector" depends on DEBUG_KERNEL && EXPERIMENTAL && \ - (X86 || ARM || PPC || MIPS || S390 || SPARC64 || SUPERH || MICROBLAZE || TILE) + (X86 || ARM || PPC || MIPS || S390 || SPARC64 || SUPERH || \ + MICROBLAZE || TILE || ARM64) select DEBUG_FS select STACKTRACE if STACKTRACE_SUPPORT @@ -629,6 +630,20 @@ config PROVE_RCU_REPEATEDLY Say N if you are unsure. +config PROVE_RCU_DELAY + bool "RCU debugging: preemptible RCU race provocation" + depends on DEBUG_KERNEL && PREEMPT_RCU + default n + help + There is a class of races that involve an unlikely preemption + of __rcu_read_unlock() just after ->rcu_read_lock_nesting has + been set to INT_MIN. This feature inserts a delay at that + point to increase the probability of these races. + + Say Y to increase probability of preemption of __rcu_read_unlock(). + + Say N if you are unsure. + config SPARSE_RCU_POINTER bool "RCU debugging: sparse-based checks for pointer usage" default n @@ -739,7 +754,8 @@ config DEBUG_BUGVERBOSE bool "Verbose BUG() reporting (adds 70K)" if DEBUG_KERNEL && EXPERT depends on BUG depends on ARM || AVR32 || M32R || M68K || SPARC32 || SPARC64 || \ - FRV || SUPERH || GENERIC_BUG || BLACKFIN || MN10300 || TILE + FRV || SUPERH || GENERIC_BUG || BLACKFIN || MN10300 || \ + TILE || ARM64 default y help Say Y here to make BUG() panics output the file name and line number |