asmlinkage __visible void __init __no_sanitize_address start_kernel(void) { char *command_line; char *after_dashes; set_task_stack_end_magic(&init_task); smp_setup_processor_id(); debug_objects_early_init(); init_vmlinux_build_id(); cgroup_init_early(); local_irq_disable(); early_boot_irqs_disabled = true; /* * Interrupts are still disabled. Do necessary setups, then * enable them. */ boot_cpu_init(); page_address_init(); pr_notice("%s", linux_banner); early_security_init(); setup_arch(&command_line); setup_boot_config(); setup_command_line(command_line); setup_nr_cpu_ids(); setup_per_cpu_areas(); smp_prepare_boot_cpu(); /* arch-specific boot-cpu hooks */ boot_cpu_hotplug_init(); build_all_zonelists(NULL); page_alloc_init(); pr_notice("Kernel command line: %s\n", saved_command_line); /* parameters may set static keys */ jump_label_init(); parse_early_param();