---

yaml --- r: 362829 b: refs/heads/master c: cc189d2 h: refs/heads/master i: 362827: e3f6933 v: v3
git-mirror · Apr 19, 2013 · 6724cea · 6724cea
1 parent d6c53d8
commit 6724cea
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Showing 3 changed files with 3 additions and 18 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2bd2c92cf07cc4a373bf316c75b78ac465fefd35
+refs/heads/master: cc189d2513d1f45cde87a9043fe3be28559c7490
diff --git a/trunk/arch/x86/include/asm/mutex.h b/trunk/arch/x86/include/asm/mutex.h
@@ -3,13 +3,3 @@
 #else
 # include <asm/mutex_64.h>
 #endif
-
-#ifndef	__ASM_MUTEX_H
-#define	__ASM_MUTEX_H
-/*
- * For the x86 architecture, it allows any negative number (besides -1) in
- * the mutex count to indicate that some other threads are waiting on the
- * mutex.
- */
-#define __ARCH_ALLOW_ANY_NEGATIVE_MUTEX_COUNT	1
-#endif
diff --git a/trunk/kernel/mutex.c b/trunk/kernel/mutex.c
@@ -38,15 +38,10 @@
 #endif
 
 /*
- * A mutex count of -1 indicates that waiters are sleeping waiting for the
- * mutex. Some architectures can allow any negative number, not just -1, for
- * this purpose.
+ * A negative mutex count indicates that waiters are sleeping waiting for the
+ * mutex.
  */
-#ifdef __ARCH_ALLOW_ANY_NEGATIVE_MUTEX_COUNT
 #define	MUTEX_SHOW_NO_WAITER(mutex)	(atomic_read(&(mutex)->count) >= 0)
-#else
-#define	MUTEX_SHOW_NO_WAITER(mutex)	(atomic_read(&(mutex)->count) != -1)
-#endif
 
 void
 __mutex_init(struct mutex *lock, const char *name, struct lock_class_key *key)