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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 13:43:11 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 13:43:11 -0400
commit5704e44d283e907623e3775c1262f206a2c48cf3 (patch)
tree0a981b24173e90854e7b7d812b35859e1e5f0174 /lib/Kconfig.debug
parent91151240ed8e97cc4457dae4094153c2744f1eb8 (diff)
parent6de5bd128d381ad88ac6d419a5e597048eb468cf (diff)
Merge branch 'config' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
* 'config' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl: BKL: introduce CONFIG_BKL. dabusb: remove the BKL sunrpc: remove the big kernel lock init/main.c: remove BKL notations blktrace: remove the big kernel lock rtmutex-tester: make it build without BKL dvb-core: kill the big kernel lock dvb/bt8xx: kill the big kernel lock tlclk: remove big kernel lock fix rawctl compat ioctls breakage on amd64 and itanic uml: kill big kernel lock parisc: remove big kernel lock cris: autoconvert trivial BKL users alpha: kill big kernel lock isapnp: BKL removal s390/block: kill the big kernel lock hpet: kill BKL, add compat_ioctl
Diffstat (limited to 'lib/Kconfig.debug')
-rw-r--r--lib/Kconfig.debug9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 21ac83070a80..7b2a8ca97ada 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
464config 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
464config DEBUG_LOCK_ALLOC 473config 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