diff options
Diffstat (limited to 'lib/Kconfig.debug')
-rw-r--r-- | lib/Kconfig.debug | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 1b4afd2e6ca0..088eea1c2bef 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug | |||
@@ -461,6 +461,15 @@ config DEBUG_MUTEXES | |||
461 | This feature allows mutex semantics violations to be detected and | 461 | This feature allows mutex semantics violations to be detected and |
462 | reported. | 462 | reported. |
463 | 463 | ||
464 | config BKL | ||
465 | bool "Big Kernel Lock" if (SMP || PREEMPT) | ||
466 | default y | ||
467 | help | ||
468 | This is the traditional lock that is used in old code instead | ||
469 | of proper locking. All drivers that use the BKL should depend | ||
470 | on this symbol. | ||
471 | Say Y here unless you are working on removing the BKL. | ||
472 | |||
464 | config DEBUG_LOCK_ALLOC | 473 | config DEBUG_LOCK_ALLOC |
465 | bool "Lock debugging: detect incorrect freeing of live locks" | 474 | bool "Lock debugging: detect incorrect freeing of live locks" |
466 | depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT | 475 | depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT |