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Note: File does not exist in v3.5.6.
 1#ifndef _TOOLS_ASM_BUG_H
 2#define _TOOLS_ASM_BUG_H
 3
 4#include <linux/compiler.h>
 5
 6#define __WARN_printf(arg...)	do { fprintf(stderr, arg); } while (0)
 7
 8#define WARN(condition, format...) ({		\
 9	int __ret_warn_on = !!(condition);	\
10	if (unlikely(__ret_warn_on))		\
11		__WARN_printf(format);		\
12	unlikely(__ret_warn_on);		\
13})
14
15#define WARN_ON_ONCE(condition) ({			\
16	static int __warned;				\
17	int __ret_warn_once = !!(condition);		\
18							\
19	if (unlikely(__ret_warn_once && !__warned)) {	\
20		__warned = true;			\
21		WARN_ON(1);				\
22	}						\
23	unlikely(__ret_warn_once);			\
24})
25
26#define WARN_ONCE(condition, format...)	({	\
27	static int __warned;			\
28	int __ret_warn_once = !!(condition);	\
29						\
30	if (unlikely(__ret_warn_once))		\
31		if (WARN(!__warned, format)) 	\
32			__warned = 1;		\
33	unlikely(__ret_warn_once);		\
34})
35
36#endif /* _TOOLS_ASM_BUG_H */