Yes, linux is fully multithreaded. On an SMP system you can even see kernel threads running concurrently on separate CPUs. As an aside, it makes more sense to call them kernel threads and not kernel processes because all of these share the same address space.

Is Linux multithreaded?

Linux implements all threads as standard processes. The Linux kernel does not provide any special scheduling semantics or data structures to represent threads. Instead, a thread is merely a process that shares certain resources with other processes.

Is Linux kernel single threaded?

You can consider kernel as a big interrupt handler. … Kernel is multi-threaded as it can handle various interrupts on different processors simultaneously. On the other hand, there are kernel-threads, which are managed in the same way as user threads (there is no difference between kernel and user threads for scheduler).