X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-i386%2Ffutex.h;fp=include%2Fasm-i386%2Ffutex.h;h=44b9db806474b9faabf19d9b6323b23279b4d0c6;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=946d97cfea23841ccbf919fe7cba1df0fb7abe45;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git diff --git a/include/asm-i386/futex.h b/include/asm-i386/futex.h index 946d97cfe..44b9db806 100644 --- a/include/asm-i386/futex.h +++ b/include/asm-i386/futex.h @@ -20,8 +20,8 @@ .align 8\n\ .long 1b,3b\n\ .previous" \ - : "=r" (oldval), "=r" (ret), "+m" (*uaddr) \ - : "i" (-EFAULT), "0" (oparg), "1" (0)) + : "=r" (oldval), "=r" (ret), "=m" (*uaddr) \ + : "i" (-EFAULT), "m" (*uaddr), "0" (oparg), "1" (0)) #define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \ __asm__ __volatile ( \ @@ -38,9 +38,9 @@ .align 8\n\ .long 1b,4b,2b,4b\n\ .previous" \ - : "=&a" (oldval), "=&r" (ret), "+m" (*uaddr), \ + : "=&a" (oldval), "=&r" (ret), "=m" (*uaddr), \ "=&r" (tem) \ - : "r" (oparg), "i" (-EFAULT), "1" (0)) + : "r" (oparg), "i" (-EFAULT), "m" (*uaddr), "1" (0)) static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) @@ -104,32 +104,5 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) return ret; } -static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) -{ - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) - return -EFAULT; - - __asm__ __volatile__( - "1: " LOCK_PREFIX "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" - " .long 1b,3b \n" - " .previous \n" - - : "=a" (oldval), "+m" (*uaddr) - : "i" (-EFAULT), "r" (newval), "0" (oldval) - : "memory" - ); - - return oldval; -} - #endif #endif