1 #ifndef _LIBLOCKDEP_LINUX_KERNEL_H_ 2 #define _LIBLOCKDEP_LINUX_KERNEL_H_ 3 4 #include <linux/export.h> 5 #include <linux/types.h> 6 #include <linux/rcu.h> 7 #include <linux/hardirq.h> 8 #include <linux/kern_levels.h> 9 10 #ifndef container_of 11 #define container_of(ptr, type, member) ({ \ 12 const typeof(((type *)0)->member) * __mptr = (ptr); \ 13 (type *)((char *)__mptr - offsetof(type, member)); }) 14 #endif 15 16 #define max(x, y) ({ \ 17 typeof(x) _max1 = (x); \ 18 typeof(y) _max2 = (y); \ 19 (void) (&_max1 == &_max2); \ 20 _max1 > _max2 ? _max1 : _max2; }) 21 22 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 23 #define WARN_ON(x) (x) 24 #define WARN_ON_ONCE(x) (x) 25 #define likely(x) (x) 26 #define WARN(x, y...) (x) 27 #define uninitialized_var(x) x 28 #define __init 29 #define noinline 30 #define list_add_tail_rcu list_add_tail 31 #define list_for_each_entry_rcu list_for_each_entry 32 #define barrier() 33 #define synchronize_sched() 34 35 #ifndef CALLER_ADDR0 36 #define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0)) 37 #endif 38 39 #ifndef _RET_IP_ 40 #define _RET_IP_ CALLER_ADDR0 41 #endif 42 43 #ifndef _THIS_IP_ 44 #define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; }) 45 #endif 46 47 #endif 48