X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-generic%2Fbug.h;h=388c3f814cea2f56a3da5b239b1a230ef90a3fc5;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=400c2b41896ed2a765cf2750bd7af3ea8dd57f18;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 400c2b418..388c3f814 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -2,12 +2,31 @@
 #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("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
+	printk("BUG: failure at %s:%d/%s()! (%s)\n", __FILE__, __LINE__, __FUNCTION__, print_tainted()); \
 	panic("BUG!"); \
 } while (0)
 #endif
@@ -17,12 +36,14 @@
 #endif
 
 #ifndef HAVE_ARCH_WARN_ON
-#define WARN_ON(condition) do { \
-	if (unlikely((condition)!=0)) { \
-		printk("Badness in %s at %s:%d\n", __FUNCTION__, __FILE__, __LINE__); \
-		dump_stack(); \
-	} \
-} while (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();						\
+	}								\
+	unlikely(__ret_warn_on);					\
+})
 #endif
 
 #else /* !CONFIG_BUG */
@@ -35,8 +56,27 @@
 #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