diff options
| author | Tejun Heo <tj@kernel.org> | 2010-01-05 09:17:33 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-01-05 09:17:33 +0900 |
| commit | 32032df6c2f6c9c6b2ada2ce42322231824f70c2 (patch) | |
| tree | b1ce838a37044bb38dfc128e2116ca35630e629a /include/linux/compiler.h | |
| parent | 22b737f4c75197372d64afc6ed1bccd58c00e549 (diff) | |
| parent | c5974b835a909ff15c3b7e6cf6789b5eb919f419 (diff) | |
Merge branch 'master' into percpu
Conflicts:
arch/powerpc/platforms/pseries/hvCall.S
include/linux/percpu.h
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 abba8045c6e..a5a472b1074 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -146,6 +146,11 @@ 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; \ @@ -215,6 +220,10 @@ 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 @@ -268,6 +277,17 @@ 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(), |