tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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__ < 2
6# error Sorry, your compiler is too old - please upgrade it.
7#endif
8
9#if __GNUC_MINOR__ >= 3
10# define __used __attribute__((__used__))
11#else
12# define __used __attribute__((__unused__))
13#endif
14
15#if __GNUC_MINOR__ >= 4
16#define __must_check __attribute__((warn_unused_result))
17#endif
18
19#ifdef CONFIG_GCOV_KERNEL
20# if __GNUC_MINOR__ < 4
21# error "GCOV profiling support for gcc versions below 3.4 not included"
22# endif /* __GNUC_MINOR__ */
23#endif /* CONFIG_GCOV_KERNEL */
24
25/*
26 * A trick to suppress uninitialized variable warning without generating any
27 * code
28 */
29#define uninitialized_var(x) x = x
30
31#define __always_inline inline __attribute__((always_inline))