#ifndef _ASM_GENERIC_BUG_H#define _ASM_GENERIC_BUG_H #include <linux/compiler.h> #ifdef CONFIG_BUG #ifdef CONFIG_GENERIC_BUG#ifndef __ASSEMBLY__struct bug_entry {	unsigned long	bug_addr;#ifdef CONFIG_DEBUG_BUGVERBOSE	const char	*file;	unsigned short	line;#endif	unsigned short	flags;};#endif		/* __ASSEMBLY__ */ #define BUGFLAG_WARNING	(1<<0)#endif	/* CONFIG_GENERIC_BUG */ #ifndef HAVE_ARCH_BUG#define BUG() do { \	printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \	panic("BUG!"); \} while (0)#endif #ifndef HAVE_ARCH_BUG_ON#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while(0)#endif #ifndef __WARN#ifndef __ASSEMBLY__extern void warn_on_slowpath(const char *file, const int line);#define WANT_WARN_ON_SLOWPATH#endif#define __WARN() warn_on_slowpath(__FILE__, __LINE__)#endif #ifndef WARN_ON#define WARN_ON(condition) ({						\	int __ret_warn_on = !!(condition);				\	if (unlikely(__ret_warn_on))					\		__WARN();						\	unlikely(__ret_warn_on);					\})#endif #else /* !CONFIG_BUG */#ifndef HAVE_ARCH_BUG#define BUG()#endif #ifndef HAVE_ARCH_BUG_ON#define BUG_ON(condition) do { if (condition) ; } while(0)#endif #ifndef HAVE_ARCH_WARN_ON#define WARN_ON(condition) ({						\	int __ret_warn_on = !!(condition);				\	unlikely(__ret_warn_on);					\})#endif#endif #define WARN_ON_ONCE(condition)	({				\	static int __warned;					\	int __ret_warn_once = !!(condition);			\								\	if (unlikely(__ret_warn_once))				\		if (WARN_ON(!__warned)) 			\			__warned = 1;				\	unlikely(__ret_warn_once);				\}) #ifdef CONFIG_SMP# define WARN_ON_SMP(x)			WARN_ON(x)#else# define WARN_ON_SMP(x)			do { } while (0)#endif #endif