https://blog.youkuaiyun.com/weixin_45302098zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/weixin_45302098/article/details/145457453https://blog.youkuaiyun.com/weixin_45302098/article/details/145457453weixin_45302098Thu, 06 Feb 2025 14:10:06 +0800https://blog.youkuaiyun.com/weixin_45302098/article/details/145466206https://blog.youkuaiyun.com/weixin_45302098/article/details/145466206weixin_45302098Thu, 06 Feb 2025 14:09:41 +0800通过工作项、工作队列和工作者线程的协同工作，实现了内核中的异步任务处理。内核开发者可以方便地使用工作队列机制，将耗时的操作推迟到专门的内核线程中执行，提高系统的响应性能。理解工作队列机制的底层实现原理和代码细节，对于开发高效稳定的内核模块和驱动程序具有重要意义。希望本文能帮助你更好地理解 Linux 内核工作队列机制，如果在实际使用过程中遇到问题，欢迎在评论区留言交流。]]>https://blog.youkuaiyun.com/weixin_45302098/article/details/145463287https://blog.youkuaiyun.com/weixin_45302098/article/details/145463287weixin_45302098Thu, 06 Feb 2025 14:09:03 +0800https://blog.youkuaiyun.com/weixin_45302098/article/details/145469219https://blog.youkuaiyun.com/weixin_45302098/article/details/145469219weixin_45302098Thu, 06 Feb 2025 14:08:35 +0800这个宏看起来有些复杂，我们来逐步拆解它的实现原理。指针有效性：在使用 container_of 宏时，必须确保传入的指针是有效的，即该指针确实指向结构体的某个成员，否则可能会导致未定义行为。类型匹配：传入的 ptr 指针的类型必须与结构体成员的类型一致，否则类型检查可能会失败。]]>https://blog.youkuaiyun.com/weixin_45302098/article/details/145471828https://blog.youkuaiyun.com/weixin_45302098/article/details/145471828weixin_45302098Thu, 06 Feb 2025 14:08:14 +0800https://blog.youkuaiyun.com/weixin_45302098/article/details/145462083https://blog.youkuaiyun.com/weixin_45302098/article/details/145462083weixin_45302098Thu, 06 Feb 2025 14:07:37 +0800 提供了 Linux 内核中双向链表的通用实现，通过 list_head 结构体和一系列操作宏/函数，内核能够高效地管理链表数据。]]>https://blog.youkuaiyun.com/weixin_45302098/article/details/145316495https://blog.youkuaiyun.com/weixin_45302098/article/details/145316495weixin_45302098Thu, 23 Jan 2025 09:51:18 +0800https://blog.youkuaiyun.com/weixin_45302098/article/details/145298781https://blog.youkuaiyun.com/weixin_45302098/article/details/145298781weixin_45302098Wed, 22 Jan 2025 10:38:42 +0800 #include #include #include #include #include #define OFFSETOF(type, member) ((size_t)(&((type *)0)->member)) #define CONTAINER_OF(ptr, type, member) ((type *)((size_t)ptr - OFFSETOF(]]>https://blog.youkuaiyun.com/weixin_45302098/article/details/127645918https://blog.youkuaiyun.com/weixin_45302098/article/details/127645918weixin_45302098Thu, 03 Nov 2022 09:00:12 +0800