Merge branch 'slab-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm

[linux-2.6-omap-h63xx.git] / include / asm-x86 / futex.h

diff --git a/include/asm-x86/futex.h b/include/asm-x86/futex.h
index 62828d63f1b1d4bc6d79281f3095ca546d8db9ac..cd9f894dd2d7c778fe4d85fdeb0f83168a16804d 100644 (file)
--- a/include/asm-x86/futex.h
+++ b/include/asm-x86/futex.h
@@ -17,11 +17,8 @@
 "2:    .section .fixup,\"ax\"\n                                \
 3:     mov     %3, %1\n                                        \
        jmp     2b\n                                            \
-       .previous\n                                             \
-       .section __ex_table,\"a\"\n                             \
-       .align  8\n"                                            \
-       _ASM_PTR "1b,3b\n                                       \
-       .previous"                                              \
+       .previous\n"                                            \
+       _ASM_EXTABLE(1b,3b)                                     \
        : "=r" (oldval), "=r" (ret), "+m" (*uaddr)              \
        : "i" (-EFAULT), "0" (oparg), "1" (0))
 
@@ -30,16 +27,14 @@
 "1:    movl    %2, %0\n                                        \
        movl    %0, %3\n"                                       \
        insn "\n"                                               \
-"2:    " LOCK_PREFIX "cmpxchgl %3, %2\n                        \
+"2:    lock; cmpxchgl %3, %2\n                                 \
        jnz     1b\n                                            \
 3:     .section .fixup,\"ax\"\n                                \
 4:     mov     %5, %1\n                                        \
        jmp     3b\n                                            \
-       .previous\n                                             \
-       .section __ex_table,\"a\"\n                             \
-       .align  8\n"                                            \
-       _ASM_PTR "1b,4b,2b,4b\n                                 \
-       .previous"                                              \
+       .previous\n"                                            \
+       _ASM_EXTABLE(1b,4b)                                     \
+       _ASM_EXTABLE(2b,4b)                                     \
        : "=&a" (oldval), "=&r" (ret), "+m" (*uaddr),           \
          "=&r" (tem)                                           \
        : "r" (oparg), "i" (-EFAULT), "1" (0))
@@ -72,7 +67,7 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
                __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg);
                break;
        case FUTEX_OP_ADD:
-               __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval,
+               __futex_atomic_op1("lock; xaddl %0, %2", ret, oldval,
                                   uaddr, oparg);
                break;
        case FUTEX_OP_OR:
@@ -111,18 +106,12 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
                return -EFAULT;
 
        __asm__ __volatile__(
-               "1:     " LOCK_PREFIX "cmpxchgl %3, %1          \n"
-
+               "1:     lock; cmpxchgl %3, %1                   \n"
                "2:     .section .fixup, \"ax\"                 \n"
                "3:     mov     %2, %0                          \n"
                "       jmp     2b                              \n"
                "       .previous                               \n"
-
-               "       .section __ex_table, \"a\"              \n"
-               "       .align  8                               \n"
-                       _ASM_PTR " 1b,3b                        \n"
-               "       .previous                               \n"
-
+               _ASM_EXTABLE(1b,3b)
                : "=a" (oldval), "+m" (*uaddr)
                : "i" (-EFAULT), "r" (newval), "0" (oldval)
                : "memory"