Changelog for kmod-mlx4-4.0-5.el8_4.elrepo.x86_64.rpm :

* Tue May 18 2021 Philip J Perry 4.0-5- Rebuilt for RHEL8.4- Source code updated from RHEL kernel-4.18.0-305.el8.x86_64- Fix updating of initramfs image [https://elrepo.org/bugs/view.php?id=1060]
* Fri Nov 06 2020 Philip J Perry 4.0-4- Rebuilt for RHEL8.3- Source code updated from RHEL kernel-4.18.0-240.el8.x86_64
* Tue Apr 28 2020 Philip J Perry 4.0-3- Rebuilt for RHEL8.2- Source code updated from RHEL kernel-4.18.0-193.el8.x86_64
* Fri Apr 17 2020 Philip J Perry 4.0-2- Fix MLX4_CORE_GEN2 define
* Thu Apr 16 2020 Philip J Perry 4.0-1- Initial el8 build of the kmod package.- Backported from RHEL kernel-4.18.0-147.el8 source [Requested on elrepo mailing list]