diff options
Diffstat (limited to 'include/asm-generic/bug.h')
| -rw-r--r-- | include/asm-generic/bug.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index f2d2faf4d9ae..dfb0ec666c94 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -162,9 +162,6 @@ extern void warn_slowpath_null(const char *file, const int line); unlikely(__ret_warn_once); \ }) -#define WARN_ON_RATELIMIT(condition, state) \ - WARN_ON((condition) && __ratelimit(state)) - /* * WARN_ON_SMP() is for cases that the warning is either * meaningless for !SMP or may even cause failures. @@ -194,6 +191,13 @@ extern void warn_slowpath_null(const char *file, const int line); #ifdef CONFIG_SMP # define WARN_ON_SMP(x) WARN_ON(x) #else +/* + * Use of ({0;}) because WARN_ON_SMP(x) may be used either as + * a stand alone line statement or as a condition in an if () + * statement. + * A simple "0" would cause gcc to give a "statement has no effect" + * warning. + */ # define WARN_ON_SMP(x) ({0;}) #endif |