| Scott McNutt | 15f5798 | 2011-09-23 11:42:14 +0000 | [diff] [blame] | 1 | #ifndef __LINUX_COMPILER_H |
| 2 | #error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead." |
| 3 | #endif |
| 4 | |
| 5 | #if __GNUC_MINOR__ >= 3 |
| 6 | # define __used __attribute__((__used__)) |
| 7 | #else |
| 8 | # define __used __attribute__((__unused__)) |
| 9 | #endif |
| 10 | |
| 11 | #if __GNUC_MINOR__ >= 4 |
| 12 | #define __must_check __attribute__((warn_unused_result)) |
| 13 | #endif |
| 14 | |
| 15 | /* |
| 16 | * A trick to suppress uninitialized variable warning without generating any |
| 17 | * code |
| 18 | */ |
| 19 | #define uninitialized_var(x) x = x |
| 20 | |
| 21 | #define __always_inline inline __attribute__((always_inline)) |