diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-12-06 16:06:11 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2009-12-06 16:06:11 +0100 |
| commit | 64357ed468025614d48daa6cc87674ae5616f8fb (patch) | |
| tree | 2467c239364d7602755b73203025d329c6f84b22 /include/linux/compiler.h | |
| parent | be404f0212ffa8f67361f8ee460a25d901d88991 (diff) | |
| parent | 6ec22f9b037fc0c2e00ddb7023fad279c365324d (diff) | |
Merge branch 'master' into for-linus
Diffstat (limited to 'include/linux/compiler.h')
| -rw-r--r-- | include/linux/compiler.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 04fb5135b4e1..5be3dab4a695 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -144,6 +144,11 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); # define barrier() __memory_barrier() #endif +/* Unreachable code */ +#ifndef unreachable +# define unreachable() do { } while (1) +#endif + #ifndef RELOC_HIDE # define RELOC_HIDE(ptr, off) \ ({ unsigned long __ptr; \ @@ -213,6 +218,10 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); # define __maybe_unused /* unimplemented */ #endif +#ifndef __always_unused +# define __always_unused /* unimplemented */ +#endif + #ifndef noinline #define noinline #endif @@ -266,6 +275,17 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); # define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) #endif +/* Compile time object size, -1 for unknown */ +#ifndef __compiletime_object_size +# define __compiletime_object_size(obj) -1 +#endif +#ifndef __compiletime_warning +# define __compiletime_warning(message) +#endif +#ifndef __compiletime_error +# define __compiletime_error(message) +#endif + /* * Prevent the compiler from merging or refetching accesses. The compiler * is also forbidden from reordering successive instances of ACCESS_ONCE(), |