diff options
Diffstat (limited to 'include/asm-generic/bug.h')
| -rw-r--r-- | include/asm-generic/bug.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index e5a3f5880001..91784841e407 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -162,9 +162,46 @@ extern void warn_slowpath_null(const char *file, const int line); unlikely(__ret_warn_once); \ }) +#ifdef CONFIG_PRINTK + #define WARN_ON_RATELIMIT(condition, state) \ WARN_ON((condition) && __ratelimit(state)) +#define __WARN_RATELIMIT(condition, state, format...) \ +({ \ + int rtn = 0; \ + if (unlikely(__ratelimit(state))) \ + rtn = WARN(condition, format); \ + rtn; \ +}) + +#define WARN_RATELIMIT(condition, format...) \ +({ \ + static DEFINE_RATELIMIT_STATE(_rs, \ + DEFAULT_RATELIMIT_INTERVAL, \ + DEFAULT_RATELIMIT_BURST); \ + __WARN_RATELIMIT(condition, &_rs, format); \ +}) + +#else + +#define WARN_ON_RATELIMIT(condition, state) \ + WARN_ON(condition) + +#define __WARN_RATELIMIT(condition, state, format...) \ +({ \ + int rtn = WARN(condition, format); \ + rtn; \ +}) + +#define WARN_RATELIMIT(condition, format...) \ +({ \ + int rtn = WARN(condition, format); \ + rtn; \ +}) + +#endif + /* * WARN_ON_SMP() is for cases that the warning is either * meaningless for !SMP or may even cause failures. |