X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-generic%2Fbug.h;h=388c3f814cea2f56a3da5b239b1a230ef90a3fc5;hb=refs%2Fheads%2Fvserver;hp=cce17f9ffe41ae315e6736378214376008452190;hpb=43bc926fffd92024b46cafaf7350d669ba9ca884;p=linux-2.6.git diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index cce17f9ff..388c3f814 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -2,13 +2,28 @@ #define _ASM_GENERIC_BUG_H #include -#include #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()); \ @@ -21,12 +36,14 @@ extern const char *print_tainted(void); #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 */ @@ -39,8 +56,27 @@ extern const char *print_tainted(void); #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