# define __release(x) __context__(x,-1)
# define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0)
# define __percpu __attribute__((noderef, address_space(3)))
+# define __rcu
extern void __chk_user_ptr(const volatile void __user *);
extern void __chk_io_ptr(const volatile void __iomem *);
#else
# define __release(x) (void)0
# define __cond_lock(x,c) (c)
# define __percpu
+# define __rcu
#endif
#ifdef __KERNEL__