Revert to Fedora kernel-2.6.17-1.2187_FC5 patched with vs2.0.2.1; there are too many...

[linux-2.6.git] / include / asm-powerpc / futex.h

diff --git a/include/asm-powerpc/futex.h b/include/asm-powerpc/futex.h
index 936422e..f1b3c00 100644 (file)
--- a/include/asm-powerpc/futex.h
+++ b/include/asm-powerpc/futex.h
@@ -84,33 +84,7 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 static inline int
 futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 {
-       int prev;
-
-       if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
-               return -EFAULT;
-
-        __asm__ __volatile__ (
-        LWSYNC_ON_SMP
-"1:     lwarx   %0,0,%2         # futex_atomic_cmpxchg_inatomic\n\
-        cmpw    0,%0,%3\n\
-        bne-    3f\n"
-        PPC405_ERR77(0,%2)
-"2:     stwcx.  %4,0,%2\n\
-        bne-    1b\n"
-        ISYNC_ON_SMP
-"3:    .section .fixup,\"ax\"\n\
-4:     li      %0,%5\n\
-       b       3b\n\
-       .previous\n\
-       .section __ex_table,\"a\"\n\
-       .align 3\n\
-       " PPC_LONG "1b,4b,2b,4b\n\
-       .previous" \
-        : "=&r" (prev), "+m" (*uaddr)
-        : "r" (uaddr), "r" (oldval), "r" (newval), "i" (-EFAULT)
-        : "cc", "memory");
-
-        return prev;
+       return -ENOSYS;
 }
 
 #endif /* __KERNEL__ */