#define _ASM_GENERIC_BUG_H
#include <linux/compiler.h>
-#include <linux/config.h>
#ifndef __ASSEMBLY__
extern const char *print_tainted(void);
#endif
#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()! (%s)\n", __FILE__, __LINE__, __FUNCTION__, print_tainted()); \
#endif
#ifndef HAVE_ARCH_WARN_ON
-#define WARN_ON(condition) do { \
- if (unlikely((condition)!=0)) { \
+#define WARN_ON(condition) ({ \
+ typeof(condition) __ret_warn_on = (condition); \
+ if (unlikely(__ret_warn_on)) { \
printk("BUG: warning at %s:%d/%s() (%s)\n", __FILE__, __LINE__, __FUNCTION__, print_tainted()); \
- dump_stack(); \
- } \
-} while (0)
+ dump_stack(); \
+ } \
+ unlikely(__ret_warn_on); \
+})
#endif
#else /* !CONFIG_BUG */
#endif
#ifndef HAVE_ARCH_WARN_ON
-#define WARN_ON(condition) do { if (condition) ; } while(0)
+#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