#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) do { \	if (unlikely((condition)!=0)) { \		printk("BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \		dump_stack(); \	} \} while (0)#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) do { if (condition) ; } while(0)#endif#endif #define WARN_ON_ONCE(condition)				\({							\	static int __warn_once = 1;			\	int __ret = 0;					\							\	if (unlikely((condition) && __warn_once)) {	\		__warn_once = 0;			\		WARN_ON(1);				\		__ret = 1;				\	}						\	__ret;						\}) #ifdef CONFIG_SMP# define WARN_ON_SMP(x)			WARN_ON(x)#else# define WARN_ON_SMP(x)			do { } while (0)#endif #endif