#ifndef _ASM_GENERIC_BUG_H#define _ASM_GENERIC_BUG_H #include <linux/compiler.h> #ifdef CONFIG_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)!=0)) BUG(); } while(0)#endif #ifndef HAVE_ARCH_WARN_ON#define WARN_ON(condition) ({						\	typeof(condition) __ret_warn_on = (condition);			\	if (unlikely(__ret_warn_on)) {					\		printk("BUG: warning at %s:%d/%s()\n", __FILE__,	\			__LINE__, __FUNCTION__);			\		dump_stack();						\	}								\	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) ({						\	typeof(condition) __ret_warn_on = (condition);			\	unlikely(__ret_warn_on);					\})#endif#endif #define WARN_ON_ONCE(condition)	({				\	static int __warned;					\	typeof(condition) __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