stackprotector: remove self-test

[pandora-kernel.git] / include / asm-x86 / bitops.h

diff --git a/include/asm-x86/bitops.h b/include/asm-x86/bitops.h
index daf1a72..ee4b3ea 100644 (file)
--- a/include/asm-x86/bitops.h
+++ b/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
@@ -62,9 +59,7 @@ static inline void set_bit(int nr, volatile void *addr)
  */
 static inline void __set_bit(int nr, volatile void *addr)
 {
-       asm volatile("bts %1,%0"
-                    : ADDR
-                    : "Ir" (nr) : "memory");
+       asm volatile("bts %1,%0" : ADDR : "Ir" (nr) : "memory");
 }
 
 /**
@@ -79,7 +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));
 }
 
 /*
@@ -98,7 +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));
 }
 
 /*
@@ -133,7 +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));
 }
 
 /**
@@ -147,7 +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));
 }
 
 /**
@@ -193,9 +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;
 }
 
@@ -231,9 +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;
 }
 
@@ -242,9 +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;
 }
@@ -278,11 +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;
 }
@@ -296,13 +293,11 @@ static inline int variable_test_bit(int nr, volatile const void *addr)
 static int test_bit(int nr, const volatile unsigned long *addr);
 #endif
 
-#define test_bit(nr,addr)                      \
-       (__builtin_constant_p(nr) ?             \
-        constant_test_bit((nr),(addr)) :       \
-        variable_test_bit((nr),(addr)))
+#define test_bit(nr, addr)                     \
+       (__builtin_constant_p((nr))             \
+        ? constant_test_bit((nr), (addr))      \
+        : variable_test_bit((nr), (addr)))
 
-#undef BASE_ADDR
-#undef BIT_ADDR
 /**
  * __ffs - find first set bit in word
  * @word: The word to search
@@ -311,9 +306,9 @@ static int test_bit(int nr, const volatile unsigned long *addr);
  */
 static inline unsigned long __ffs(unsigned long word)
 {
-       __asm__("bsf %1,%0"
-               :"=r" (word)
-               :"rm" (word));
+       asm("bsf %1,%0"
+               : "=r" (word)
+               : "rm" (word));
        return word;
 }
 
@@ -325,9 +320,9 @@ static inline unsigned long __ffs(unsigned long word)
  */
 static inline unsigned long ffz(unsigned long word)
 {
-       __asm__("bsf %1,%0"
-               :"=r" (word)
-               :"r" (~word));
+       asm("bsf %1,%0"
+               : "=r" (word)
+               : "r" (~word));
        return word;
 }
 
@@ -339,9 +334,9 @@ static inline unsigned long ffz(unsigned long word)
  */
 static inline unsigned long __fls(unsigned long word)
 {
-       __asm__("bsr %1,%0"
-               :"=r" (word)
-               :"rm" (word));
+       asm("bsr %1,%0"
+           : "=r" (word)
+           : "rm" (word));
        return word;
 }
 
@@ -361,14 +356,14 @@ static inline int ffs(int x)
 {
        int r;
 #ifdef CONFIG_X86_CMOV
-       __asm__("bsfl %1,%0\n\t"
-               "cmovzl %2,%0"
-               : "=r" (r) : "rm" (x), "r" (-1));
+       asm("bsfl %1,%0\n\t"
+           "cmovzl %2,%0"
+           : "=r" (r) : "rm" (x), "r" (-1));
 #else
-       __asm__("bsfl %1,%0\n\t"
-               "jnz 1f\n\t"
-               "movl $-1,%0\n"
-               "1:" : "=r" (r) : "rm" (x));
+       asm("bsfl %1,%0\n\t"
+           "jnz 1f\n\t"
+           "movl $-1,%0\n"
+           "1:" : "=r" (r) : "rm" (x));
 #endif
        return r + 1;
 }
@@ -388,14 +383,14 @@ static inline int fls(int x)
 {
        int r;
 #ifdef CONFIG_X86_CMOV
-       __asm__("bsrl %1,%0\n\t"
-               "cmovzl %2,%0"
-               : "=&r" (r) : "rm" (x), "rm" (-1));
+       asm("bsrl %1,%0\n\t"
+           "cmovzl %2,%0"
+           : "=&r" (r) : "rm" (x), "rm" (-1));
 #else
-       __asm__("bsrl %1,%0\n\t"
-               "jnz 1f\n\t"
-               "movl $-1,%0\n"
-               "1:" : "=r" (r) : "rm" (x));
+       asm("bsrl %1,%0\n\t"
+           "jnz 1f\n\t"
+           "movl $-1,%0\n"
+           "1:" : "=r" (r) : "rm" (x));
 #endif
        return r + 1;
 }