Comment 0 for bug 1996071

Description: boot: Add secure boot trailer
Symptom: Secure boot of Linux will no longer be possible with an upcoming
               IBM Z firmware update.

Problem: New IBM Z firmware requires signed bootable images to contain a
               trailing data block with a specific format.

Solution: Add the trailing data block to the Linux kernel image.

Reproduction: Apply latest firmware, perform IPL with Secure Boot enabled.

Fix: available upstream with
Upstream-ID: aa127a069ef312aca02b730d5137e1778d0c3ba7

Preventive: yes

Date: 2022-10-27
Author: Peter Oberparleiter <email address hidden>
Component: kernel