cregit-Linux how code gets into the kernel

Release 4.7 tools/lib/lockdep/uinclude/linux/kernel.h

#ifndef _LIBLOCKDEP_LINUX_KERNEL_H_

#define _LIBLOCKDEP_LINUX_KERNEL_H_

#include <linux/export.h>
#include <linux/types.h>
#include <linux/rcu.h>
#include <linux/hardirq.h>
#include <linux/kern_levels.h>

#ifndef container_of

#define container_of(ptr, type, member) ({                      \
        const typeof(((type *)0)->member) * __mptr = (ptr);     \
        (type *)((char *)__mptr - offsetof(type, member)); })
#endif


#define max(x, y) ({                              \
        typeof(x) _max1 = (x);                  \
        typeof(y) _max2 = (y);                  \
        (void) (&_max1 == &_max2);              \
        _max1 > _max2 ? _max1 : _max2; })


#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))

#define WARN_ON(x) (x)

#define WARN_ON_ONCE(x) (x)

#define likely(x) (x)

#define WARN(x, y...) (x)

#define uninitialized_var(x) x

#define __init

#define noinline

#define list_add_tail_rcu list_add_tail

#define list_for_each_entry_rcu list_for_each_entry

#define barrier() 

#define synchronize_sched()

#ifndef CALLER_ADDR0

#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
#endif

#ifndef _RET_IP_

#define _RET_IP_ CALLER_ADDR0
#endif

#ifndef _THIS_IP_

#define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
#endif

#endif

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