---

yaml --- r: 96352 b: refs/heads/master c: eb2b4e6 h: refs/heads/master v: v3
git-mirror · May 10, 2008 · 653968e · 653968e
1 parent b2153dd
commit 653968e
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Showing 2 changed files with 18 additions and 21 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9096bd7a66efbe406910365c5206a32eed3875af
+refs/heads/master: eb2b4e682a6d5b4779a7f1a6a8419982919795f6
diff --git a/trunk/include/asm-x86/bitops.h b/trunk/include/asm-x86/bitops.h
@@ -23,13 +23,10 @@
 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1)
 /* Technically wrong, but this avoids compilation errors on some gcc
    versions. */
-#define ADDR "=m" (*(volatile long *)addr)
-#define BIT_ADDR "=m" (((volatile int *)addr)[nr >> 5])
+#define ADDR "=m" (*(volatile long *) addr)
 #else
 #define ADDR "+m" (*(volatile long *) addr)
-#define BIT_ADDR "+m" (((volatile int *)addr)[nr >> 5])
 #endif
-#define BASE_ADDR "m" (*(volatile int *)addr)
 
 /**
  * set_bit - Atomically set a bit in memory
@@ -77,7 +74,7 @@ static inline void __set_bit(int nr, volatile void *addr)
  */
 static inline void clear_bit(int nr, volatile void *addr)
 {
-	asm volatile(LOCK_PREFIX "btr %1,%2" : BIT_ADDR : "Ir" (nr), BASE_ADDR);
+	asm volatile(LOCK_PREFIX "btr %1,%0" : ADDR : "Ir" (nr));
 }
 
 /*
@@ -96,7 +93,7 @@ static inline void clear_bit_unlock(unsigned nr, volatile void *addr)
 
 static inline void __clear_bit(int nr, volatile void *addr)
 {
-	asm volatile("btr %1,%2" : BIT_ADDR : "Ir" (nr), BASE_ADDR);
+	asm volatile("btr %1,%0" : ADDR : "Ir" (nr));
 }
 
 /*
@@ -131,7 +128,7 @@ static inline void __clear_bit_unlock(unsigned nr, volatile void *addr)
  */
 static inline void __change_bit(int nr, volatile void *addr)
 {
-	asm volatile("btc %1,%2" : BIT_ADDR : "Ir" (nr), BASE_ADDR);
+	asm volatile("btc %1,%0" : ADDR : "Ir" (nr));
 }
 
 /**
@@ -145,7 +142,7 @@ static inline void __change_bit(int nr, volatile void *addr)
  */
 static inline void change_bit(int nr, volatile void *addr)
 {
-	asm volatile(LOCK_PREFIX "btc %1,%2" : BIT_ADDR : "Ir" (nr), BASE_ADDR);
+	asm volatile(LOCK_PREFIX "btc %1,%0" : ADDR : "Ir" (nr));
 }
 
 /**
@@ -191,9 +188,10 @@ static inline int __test_and_set_bit(int nr, volatile void *addr)
 {
 	int oldbit;
 
-	asm volatile("bts %2,%3\n\t"
-		     "sbb %0,%0"
-		     : "=r" (oldbit), BIT_ADDR : "Ir" (nr), BASE_ADDR);
+	asm("bts %2,%1\n\t"
+	    "sbb %0,%0"
+	    : "=r" (oldbit), ADDR
+	    : "Ir" (nr));
 	return oldbit;
 }
 
@@ -229,9 +227,10 @@ static inline int __test_and_clear_bit(int nr, volatile void *addr)
 {
 	int oldbit;
 
-	asm volatile("btr %2,%3\n\t"
+	asm volatile("btr %2,%1\n\t"
 		     "sbb %0,%0"
-		     : "=r" (oldbit), BIT_ADDR : "Ir" (nr), BASE_ADDR);
+		     : "=r" (oldbit), ADDR
+		     : "Ir" (nr));
 	return oldbit;
 }
 
@@ -240,9 +239,10 @@ static inline int __test_and_change_bit(int nr, volatile void *addr)
 {
 	int oldbit;
 
-	asm volatile("btc %2,%3\n\t"
+	asm volatile("btc %2,%1\n\t"
 		     "sbb %0,%0"
-		     : "=r" (oldbit), BIT_ADDR : "Ir" (nr), BASE_ADDR);
+		     : "=r" (oldbit), ADDR
+		     : "Ir" (nr) : "memory");
 
 	return oldbit;
 }
@@ -276,11 +276,10 @@ static inline int variable_test_bit(int nr, volatile const void *addr)
 {
 	int oldbit;
 
-	asm volatile("bt %2,%3\n\t"
+	asm volatile("bt %2,%1\n\t"
 		     "sbb %0,%0"
 		     : "=r" (oldbit)
-		     : "m" (((volatile const int *)addr)[nr >> 5]),
-		       "Ir" (nr), BASE_ADDR);
+		     : "m" (*(unsigned long *)addr), "Ir" (nr));
 
 	return oldbit;
 }
@@ -397,8 +396,6 @@ static inline int fls(int x)
 }
 #endif /* __KERNEL__ */
 
-#undef BASE_ADDR
-#undef BIT_ADDR
 #undef ADDR
 
 static inline void set_bit_string(unsigned long *bitmap,