So just for the records: with first picking: 277c8389386e ("390/kexec_file: move kernel image size check") before 5ecb2da660ab ("s390: support command lines longer than 896 bytes") I get the code into jammy's master-next.
So just for the records:
with first picking:
277c8389386e ("390/kexec_file: move kernel image size check")
before
5ecb2da660ab ("s390: support command lines longer than 896 bytes")
I get the code into jammy's master-next.