diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 13:43:11 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 13:43:11 -0400 |
commit | 5704e44d283e907623e3775c1262f206a2c48cf3 (patch) | |
tree | 0a981b24173e90854e7b7d812b35859e1e5f0174 /lib/Kconfig.debug | |
parent | 91151240ed8e97cc4457dae4094153c2744f1eb8 (diff) | |
parent | 6de5bd128d381ad88ac6d419a5e597048eb468cf (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.debug | 9 |
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 | ||
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 |