-
-static inline int atomic_futex_op_xchg_set(int oparg, u32 __user *uaddr,
- int *oldval)
-{
- unsigned long flags;
- int ret;
-
- local_irq_save(flags);
-
- ret = get_user(*oldval, uaddr);
- if (!ret)
- ret = put_user(oparg, uaddr);
-
- local_irq_restore(flags);
-
- return ret;
-}
-
-static inline int atomic_futex_op_xchg_add(int oparg, u32 __user *uaddr,
- int *oldval)
-{
- unsigned long flags;
- int ret;
-
- local_irq_save(flags);
-
- ret = get_user(*oldval, uaddr);
- if (!ret)
- ret = put_user(*oldval + oparg, uaddr);
-
- local_irq_restore(flags);
-
- return ret;
-}
-
-static inline int atomic_futex_op_xchg_or(int oparg, u32 __user *uaddr,
- int *oldval)
-{
- unsigned long flags;
- int ret;
-
- local_irq_save(flags);
-
- ret = get_user(*oldval, uaddr);
- if (!ret)
- ret = put_user(*oldval | oparg, uaddr);
-
- local_irq_restore(flags);
-
- return ret;
-}
-
-static inline int atomic_futex_op_xchg_and(int oparg, u32 __user *uaddr,
- int *oldval)
-{
- unsigned long flags;
- int ret;
-
- local_irq_save(flags);
-
- ret = get_user(*oldval, uaddr);
- if (!ret)
- ret = put_user(*oldval & oparg, uaddr);
-
- local_irq_restore(flags);
-
- return ret;
-}
-
-static inline int atomic_futex_op_xchg_xor(int oparg, u32 __user *uaddr,
- int *oldval)
-{
- unsigned long flags;
- int ret;
-
- local_irq_save(flags);
-
- ret = get_user(*oldval, uaddr);
- if (!ret)
- ret = put_user(*oldval ^ oparg, uaddr);
-
- local_irq_restore(flags);
-
- return ret;
-}
-