| #ifndef __LINUX_COMPILER_H |
| #error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead." |
| #endif |
| |
| #if __GNUC_MINOR__ < 2 |
| # error Sorry, your compiler is too old - please upgrade it. |
| #endif |
| |
| #if __GNUC_MINOR__ >= 3 |
| # define __used __attribute__((__used__)) |
| #else |
| # define __used __attribute__((__unused__)) |
| #endif |
| |
| #if __GNUC_MINOR__ >= 4 |
| #define __must_check __attribute__((warn_unused_result)) |
| #endif |
| |
| #ifdef CONFIG_GCOV_KERNEL |
| # if __GNUC_MINOR__ < 4 |
| # error "GCOV profiling support for gcc versions below 3.4 not included" |
| # endif /* __GNUC_MINOR__ */ |
| #endif /* CONFIG_GCOV_KERNEL */ |
| |
| /* |
| * A trick to suppress uninitialized variable warning without generating any |
| * code |
| */ |
| #define uninitialized_var(x) x = x |
| |
| #define __always_inline inline __attribute__((always_inline)) |
