Changelog for kernel-preempt_rt4-4.19.72_rt25-lp152.2.1.x86_64.rpm :

* Tue Sep 17 2019 Rene van Paassen - update to 4.19.72, rt25, +nvidia fix and CONFIG_SLUB_DEBUG off
* Sat Mar 16 2019 Rene van Paassen - removing the 32bit build, fix for spec files
* Thu Mar 07 2019 Rene van Paassen - update to kernel 4.19.25, rt16, config now based on Ubuntu 18.04 kernel
* Mon Oct 16 2017 Rene.vanPaassenAATTgmail.com- update to kernel 4.9.47, rt37, no config changes from 4.9.9
* Thu Feb 16 2017 Rene.vanPaassenAATTgmail.com- update to kernel 4.9.9, rt6
* Thu Apr 21 2016 Rene.vanPaassenAATTgmail.com- need to add openssl-devel as build dependency