Linux Kernel Threads Explained : Linux Device Driver Development with Raspberry Pi 18
In this video, we dive deep into Linux Kernel Threads (kthreads) and learn how to create and manage threads inside the Linux kernel.
🔹 What kernel threads are
🔹 How to create a thread using kthread_run()
🔹 Handling errors using IS_ERR() and PTR_ERR()
🔹 Writing the thread loop correctly
🔹 Using ssleep() inside the kernel
🔹 How to properly stop a thread with kthread_stop()
🔹 Understanding how each thread maintains its own stack and execution context
We also build and load a kernel module, monitor output using dmesg, and observe how multiple threads run independently — even when using the same thread function.
This is an essential topic for:
Linux Device Driver developers
Embedded Linux engineers
Kernel programming beginners
Anyone preparing for Linux kernel interviews
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