#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))