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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 19:43:11 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 19:43:11 +0200 |
| commit | 5704e44d283e907623e3775c1262f206a2c48cf3 (patch) | |
| tree | 0a981b24173e90854e7b7d812b35859e1e5f0174 /lib | |
| parent | Merge branch 'x86-irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel... (diff) | |
| parent | BKL: introduce CONFIG_BKL. (diff) | |
| download | linux-5704e44d283e907623e3775c1262f206a2c48cf3.tar.xz linux-5704e44d283e907623e3775c1262f206a2c48cf3.zip | |
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')
| -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 This feature allows mutex semantics violations to be detected and reported. +config BKL + bool "Big Kernel Lock" if (SMP || PREEMPT) + default y + help + This is the traditional lock that is used in old code instead + of proper locking. All drivers that use the BKL should depend + on this symbol. + Say Y here unless you are working on removing the BKL. + config DEBUG_LOCK_ALLOC bool "Lock debugging: detect incorrect freeing of live locks" depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT |