diff -Nupr src.orig/kernel/reboot.c src/kernel/reboot.c --- src.orig/kernel/reboot.c 2022-10-24 15:41:09.013757626 -0400 +++ src/kernel/reboot.c 2022-10-24 15:41:30.924412649 -0400 @@ -393,8 +393,15 @@ SYSCALL_DEFINE4(reboot, int, magic1, int return ret; } +void kpatch_bar(void) +{ + if (!jiffies) + printk("kpatch_foo\n"); +} + static void deferred_cad(struct work_struct *dummy) { + kpatch_bar(); kernel_restart(NULL); }