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authorMatthew Wilcox <matthew@wil.cx>2008-03-08 03:55:58 +0100
committerMatthew Wilcox <willy@linux.intel.com>2008-04-17 16:42:34 +0200
commit64ac24e738823161693bf791f87adc802cf529ff (patch)
tree19c0b0cf314d4394ca580c05b86cdf874ce0a167 /include/asm-um
parentAdd semaphore.h to kernel_lock.c (diff)
downloadlinux-64ac24e738823161693bf791f87adc802cf529ff.tar.xz
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 'include/asm-um')
-rw-r--r--include/asm-um/semaphore.h7
1 files changed, 1 insertions, 6 deletions
diff --git a/include/asm-um/semaphore.h b/include/asm-um/semaphore.h
index ff13c34de421..d9b2034ed1d2 100644
--- a/include/asm-um/semaphore.h
+++ b/include/asm-um/semaphore.h
@@ -1,6 +1 @@
-#ifndef __UM_SEMAPHORE_H
-#define __UM_SEMAPHORE_H
-
-#include "asm/arch/semaphore.h"
-
-#endif
+#include <linux/semaphore.h>