For all KLV variants there is now available a Full Real Time Kernel 6.9.0-rt5. Tested in KLV-Airedale, KLV-Boxer and KLV-Spectr this is the usual drop in modular kernel and uses any FirstRib skeleton initrd.gz.
Set for high frequency and patched for full real time operations.
DOTconfig-6.9.0-x86_64-150824
as usual use at your own risk.
Download from -> KLV-6.9.0-rt5_full_realtime
or view the collection -> https://rockedge.org/kernels/