I'm enjoying Tails but when I launched the System Monitor it only shows one cpu in use. How may I update my kernel to one which supports more than one cpu? TY

I'm enjoying Tails but when I launched the System Monitor it only shows one cpu in use. How may I update my kernel to one which supports more than one cpu? TY
This is ?being worked on.
You may want to try building a Tails image from the
feature/multikernelbranch, or help us bringing it into a releasable state.