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| 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/xtensa/kernel/xtensa_ksyms.c | |
| parent | e48b3deee475134585eed03e7afebe4bf9e0dba9 (diff) | |
| download | op-kernel-dev-64ac24e738823161693bf791f87adc802cf529ff.zip op-kernel-dev-64ac24e738823161693bf791f87adc802cf529ff.tar.gz | |
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/xtensa/kernel/xtensa_ksyms.c')
| -rw-r--r-- | arch/xtensa/kernel/xtensa_ksyms.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c index 60dbdb4..6e52cdd 100644 --- a/arch/xtensa/kernel/xtensa_ksyms.c +++ b/arch/xtensa/kernel/xtensa_ksyms.c @@ -26,7 +26,6 @@ #include <asm/io.h> #include <asm/page.h> #include <asm/pgalloc.h> -#include <asm/semaphore.h> #ifdef CONFIG_BLK_DEV_FD #include <asm/floppy.h> #endif @@ -71,14 +70,6 @@ EXPORT_SYMBOL(__umodsi3); EXPORT_SYMBOL(__udivdi3); EXPORT_SYMBOL(__umoddi3); -/* - * Semaphore operations - */ -EXPORT_SYMBOL(__down); -EXPORT_SYMBOL(__down_interruptible); -EXPORT_SYMBOL(__down_trylock); -EXPORT_SYMBOL(__up); - #ifdef CONFIG_NET /* * Networking support |
