FWIW the journal file signature is "LPKSHHRH" for Lennart, Kay Sievers, Harald Hoyer, Red Hat... I presumed it was at least Lennart, Kay, and Harald who collaborated on the design.

... Sounds like a signature on a patch that triggers an epic Linus rant on LKML[1]

[1] Happened few times, I think RedHat as a whole even got banned from sending changes for a short while