After the kpatch install "xxx. ko" on openeuler, the machine was restarted. The kpatch service failed, resulting in the kernel patch restart not taking effect

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Modify the .config according to the method written on the kpatch community, use make menuconfig, follow the tutorial to make CONFIG_LIVEPATCH_PER_TASK_CONSISTENCY =y , compile the new kernel with the modified .config, and also successfully kpatch-build the ko module corresponding to the kernel version, kpatch load and insmod can successfully take effect, but in the kpatch install error, keep appearing kpatch service failure, and did not restart It works successfully. Thanks for the answer!