Add Ubuntu 24.04 (kernel 6.17) support#1
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Add kernel version compatibility shims in dkms_compat.h so the same 6.9.5 source tree compiles cleanly against both Ubuntu 22.04 (kernel 6.8.x) and Ubuntu 24.04 HWE (kernel 6.17.x). Compat shims added for: - hrtimer_init -> hrtimer_setup (removed in 6.15) - genlmsg_multicast_allns signature changes (6.9/6.12 boundaries) - no_llseek -> noop_llseek (removed in 6.12) - struct kernel_ethtool_ts_info (introduced in 6.11) - debugfs_real_fops -> debugfs_get_aux (removed in 6.16) - UDP_TUNNEL_NIC_INFO_MAY_SLEEP (removed in 6.17) - xfrmdev_ops net_device parameter (added in 6.16) - cyclecounter const qualifier (changed in 6.14) - PTP_EXTTS_EVENT_VALID / PTP_EXT_OFFSET (version-guarded) CI matrix now runs dkms-test on both ubuntu-22.04 and ubuntu-24.04. Local UTM test script updated to install HWE kernels for both releases.
Run ptp-operator e2e tests on both Ubuntu versions since each runner builds DKMS modules against its own kernel. The ptp-images job stays on 22.04 as it produces architecture-agnostic container images. Podman install is now conditional: kubic repo for 22.04 (ships old podman), default apt for 24.04 (ships podman 4.9+).
Ubuntu 22.04 runners have oc pre-installed but 24.04 runners do not. Download from the OCP stable mirror when missing.
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Summary
dkms_compat.hso the 6.9.5 source tree compiles on both Ubuntu 22.04 (kernel 6.8) and Ubuntu 24.04 HWE (kernel 6.17)hrtimer_init,genlmsg_multicast_allns,no_llseek,kernel_ethtool_ts_info,debugfs_real_fops/debugfs_get_aux,UDP_TUNNEL_NIC_INFO_MAY_SLEEP,xfrmdev_opsnet_device param,cyclecounterconst qualifier, PTP flagsdkms-teston bothubuntu-22.04andubuntu-24.04Test plan
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