我们在编写一个模块的时候,常常使用一些宏定义来标识模块的作者,版本,以及相关信息的描述,如:MODULE_AUTHOR、MODULE ...
Linux内核模块间通讯方法非常的多,最便捷的方法莫过于函数或变量符号导出,然后直接调用。默认情况下,模块与模块之间、模块与内核之间的全局变量是相互独立的,只有通过EXPORT_SYMBOL将模块导出才能对其他模块或内核可见。 Linux kallsyms,即内核符号表 ...
Editor's Note: Linux remains an attractive option for embedded systems developers. In fact, industry surveys such as the Embedded Market Study by UBM (EDN's parent company) consistently show interest ...
At the 2001 Linux Kernel Summit, NSA developers presented their work on Security-Enhanced Linux (SELinux) and emphasized the need for enhanced security support in the main Linux kernel. In the ensuing ...