Comment 18 for bug 1835546

------- Comment From <email address hidden> 2020-03-20 05:45 EDT-------
(In reply to comment #23)
> As a general Ubuntu (and Debian) policy implies that we build everything
> from source for serviceability (and to no get any dark secrets without
> knowing about them). I assume you did the code updates as well (I see e.g.
> pc-bios: s390x: Save iplb location in lowcore), so that the s390-ccw.img
> that is generated on build will fulfill your needs?
> Otherwise please also add the source-changes you need there to the backport.

Yes, the bios only needs this on top
"pc-bios: s390x: Save iplb location in lowcore"

> While adding that to the packaging I found that the following isn't needed
> since I did a bunch of backports for patches submitted at qemu-stable,
> therefore I don't need to add "ae150759a9 s390/sclp: improve special wait
> psw logic" again.

if its already in, even better.