You do not. Take a look at Ron's talk here: https://schd.ws/hosted_files/osseu17/84/Replace%20UEFI%20with%20Linux.pdf https://schd.ws/hosted_files/osseu17/84/R

You do not. Take a look at Ron's talk here: https://schd.ws/hosted_files/osseu17/84/Replace%20UEFI%20with%20Linux.pdf https://schd.ws/hosted_files/osseu17/84/Replace%20UEFI%20wit...