diff options
| author | Rafael J. Wysocki <[email protected]> | 2016-04-25 15:44:01 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <[email protected]> | 2016-04-25 15:44:01 +0200 |
| commit | 1cbc99dfe5d7d686fd022647f4e489b5eb8e9068 (patch) | |
| tree | 735e0254f6f491442d75e683eb9eb3c7ac685111 /include/linux/bug.h | |
| parent | 94862a62dfe3ba1c7601115a2dc80721c5b256f0 (diff) | |
| parent | 8cee1eed8e78143aa2ed60308fb88e2d6fa46205 (diff) | |
Merge back cpufreq changes for v4.7.
Diffstat (limited to 'include/linux/bug.h')
| -rw-r--r-- | include/linux/bug.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/bug.h b/include/linux/bug.h index 7f4818673c41..e51b0709e78d 100644 --- a/include/linux/bug.h +++ b/include/linux/bug.h @@ -20,6 +20,7 @@ struct pt_regs; #define BUILD_BUG_ON_MSG(cond, msg) (0) #define BUILD_BUG_ON(condition) (0) #define BUILD_BUG() (0) +#define MAYBE_BUILD_BUG_ON(cond) (0) #else /* __CHECKER__ */ /* Force a compilation error if a constant expression is not a power of 2 */ @@ -83,6 +84,14 @@ struct pt_regs; */ #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") +#define MAYBE_BUILD_BUG_ON(cond) \ + do { \ + if (__builtin_constant_p((cond))) \ + BUILD_BUG_ON(cond); \ + else \ + BUG_ON(cond); \ + } while (0) + #endif /* __CHECKER__ */ #ifdef CONFIG_GENERIC_BUG |