Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
[linux-2.6] / include / linux / compiler-gcc3.h
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 /* These definitions are for GCC v3.x.  */
6 #include <linux/compiler-gcc.h>
7
8 #if __GNUC_MINOR__ >= 3
9 # define __used                 __attribute__((__used__))
10 #else
11 # define __used                 __attribute__((__unused__))
12 #endif
13
14 #if __GNUC_MINOR__ >= 4
15 #define __must_check            __attribute__((warn_unused_result))
16 #endif
17
18 /*
19  * A trick to suppress uninitialized variable warning without generating any
20  * code
21  */
22 #define uninitialized_var(x) x = x
23
24 #define __always_inline         inline __attribute__((always_inline))