diff options
| author |   Matthew Wilcox <matthew@wil.cx> | 2008-03-07 21:55:58 -0500 |
|---|---|---|
| committer |   Matthew Wilcox <willy@linux.intel.com> | 2008-04-17 10:42:34 -0400 |
| commit | 64ac24e738823161693bf791f87adc802cf529ff (patch) | |
| tree | 19c0b0cf314d4394ca580c05b86cdf874ce0a167 /arch/um/Kconfig.x86_64 | |
| parent | Add semaphore.h to kernel_lock.c (diff) | |
| download | linux-dev-64ac24e738823161693bf791f87adc802cf529ff.tar.xz linux-dev-64ac24e738823161693bf791f87adc802cf529ff.zip | |
Generic semaphore implementation
Semaphores are no longer performance-critical, so a generic C
implementation is better for maintainability, debuggability and
extensibility. Thanks to Peter Zijlstra for fixing the lockdep
warning. Thanks to Harvey Harrison for pointing out that the
unlikely() was unnecessary.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/um/Kconfig.x86_64')
| -rw-r--r-- | arch/um/Kconfig.x86_64 | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/um/Kconfig.x86_64 b/arch/um/Kconfig.x86_64 index 6533b349f061..3fbe69e359ed 100644 --- a/arch/um/Kconfig.x86_64 +++ b/arch/um/Kconfig.x86_64 @@ -11,10 +11,6 @@ config RWSEM_GENERIC_SPINLOCK bool default y -config SEMAPHORE_SLEEPERS - bool - default y - config 3_LEVEL_PGTABLES bool default y |