diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/compiler-gcc3.h | 6 | ||||
-rw-r--r-- | include/linux/compiler-gcc4.h | 6 | ||||
-rw-r--r-- | include/linux/compiler-intel.h | 2 |
3 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h index 1698b845761f..ecd621fd27d2 100644 --- a/include/linux/compiler-gcc3.h +++ b/include/linux/compiler-gcc3.h | |||
@@ -13,4 +13,10 @@ | |||
13 | #define __must_check __attribute__((warn_unused_result)) | 13 | #define __must_check __attribute__((warn_unused_result)) |
14 | #endif | 14 | #endif |
15 | 15 | ||
16 | /* | ||
17 | * A trick to suppress uninitialized variable warning without generating any | ||
18 | * code | ||
19 | */ | ||
20 | #define uninitialized_var(x) x = x | ||
21 | |||
16 | #define __always_inline inline __attribute__((always_inline)) | 22 | #define __always_inline inline __attribute__((always_inline)) |
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 6f5cc6f0e7a6..fd0cc7c4a636 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h | |||
@@ -16,3 +16,9 @@ | |||
16 | #define __must_check __attribute__((warn_unused_result)) | 16 | #define __must_check __attribute__((warn_unused_result)) |
17 | #define __compiler_offsetof(a,b) __builtin_offsetof(a,b) | 17 | #define __compiler_offsetof(a,b) __builtin_offsetof(a,b) |
18 | #define __always_inline inline __attribute__((always_inline)) | 18 | #define __always_inline inline __attribute__((always_inline)) |
19 | |||
20 | /* | ||
21 | * A trick to suppress uninitialized variable warning without generating any | ||
22 | * code | ||
23 | */ | ||
24 | #define uninitialized_var(x) x = x | ||
diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h index 1d1c3ceaff4e..a436eea43912 100644 --- a/include/linux/compiler-intel.h +++ b/include/linux/compiler-intel.h | |||
@@ -22,3 +22,5 @@ | |||
22 | (typeof(ptr)) (__ptr + (off)); }) | 22 | (typeof(ptr)) (__ptr + (off)); }) |
23 | 23 | ||
24 | #endif | 24 | #endif |
25 | |||
26 | #define uninitialized_var(x) x | ||