It is also paid for windows. It shouldn't be. Off topic, but I'm pretty sure that Ubuntu's livepatching is just kpatch under the hood, https://ubuntu.com/blog

It is also paid for windows. It shouldn't be. Off topic, but I'm pretty sure that Ubuntu's livepatching is just kpatch under the hood, https://ubuntu.com/blog/an-overview-of-live-kernel-patching https://ubuntu.com/blog/an-overview-of-live-kernel-patching