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| author | Matthew Wilcox | 2008-03-08 03:55:58 +0100 |
|---|---|---|
| committer | Matthew Wilcox | 2008-04-17 16:42:34 +0200 |
| commit | 64ac24e738823161693bf791f87adc802cf529ff (patch) | |
| tree | 19c0b0cf314d4394ca580c05b86cdf874ce0a167 /arch/um/Kconfig.i386 | |
| parent | Add semaphore.h to kernel_lock.c (diff) | |
| download | kernel-qcow2-linux-64ac24e738823161693bf791f87adc802cf529ff.tar.gz kernel-qcow2-linux-64ac24e738823161693bf791f87adc802cf529ff.tar.xz kernel-qcow2-linux-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.i386')
| -rw-r--r-- | arch/um/Kconfig.i386 | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386 index 3cd8a04d66d8..e09edfa560da 100644 --- a/arch/um/Kconfig.i386 +++ b/arch/um/Kconfig.i386 @@ -19,10 +19,6 @@ config 64BIT bool default n -config SEMAPHORE_SLEEPERS - bool - default y - config 3_LEVEL_PGTABLES bool "Three-level pagetables (EXPERIMENTAL)" default n |