Commit | Line | Data |
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1da177e4 LT |
1 | /* Never include this file directly. Include <linux/compiler.h> instead. */ |
2 | ||
3 | /* These definitions are for GCC v3.x. */ | |
4 | #include <linux/compiler-gcc.h> | |
5 | ||
1da177e4 | 6 | #if __GNUC_MINOR__ >= 3 |
0d7ebbbc DR |
7 | # define __used __attribute__((__used__)) |
8 | # define __attribute_used__ __used /* deprecated */ | |
1da177e4 | 9 | #else |
0d7ebbbc DR |
10 | # define __used __attribute__((__unused__)) |
11 | # define __attribute_used__ __used /* deprecated */ | |
1da177e4 LT |
12 | #endif |
13 | ||
1da177e4 LT |
14 | #if __GNUC_MINOR__ >= 4 |
15 | #define __must_check __attribute__((warn_unused_result)) | |
16 | #endif | |
17 | ||
94909914 BP |
18 | /* |
19 | * A trick to suppress uninitialized variable warning without generating any | |
20 | * code | |
21 | */ | |
22 | #define uninitialized_var(x) x = x | |
23 | ||
40fc55cb | 24 | #define __always_inline inline __attribute__((always_inline)) |