Deep dive into the Linux kernel interrupt handling complete mechanism: from hardware interrupts, IDT, APIC controllers, to top-half/bottom-half splitting, Softirq, Tasklet, Workqueue, Threaded IRQ, to performance monitoring tools and tuning suggestions for comprehensive analysis
深入剖析 Linux 内核 USB Gadget 子系统的 ConfigFS 机制,完整讲解如何不写一行内核代码、仅通过文件系统操作即可自定义 USB 设备,涵盖 Mass Storage、RNDIS 网卡、HID 键盘鼠标的创建方法,并深入分析内核原理、端点自动分配、多 Config 支持及生产环境实战场景。