diff options
Diffstat (limited to 'init/main.c')
| -rw-r--r-- | init/main.c | 48 |
1 files changed, 20 insertions, 28 deletions
diff --git a/init/main.c b/init/main.c index 63534a141b4..bea1287aecd 100644 --- a/init/main.c +++ b/init/main.c @@ -9,6 +9,8 @@ * Simplified starting of init: Michael A. Griffith <grif@acm.org> */ +#define DEBUG /* Enable initcall_debug */ + #include <linux/types.h> #include <linux/module.h> #include <linux/proc_fs.h> @@ -174,8 +176,8 @@ static int __init obsolete_checksetup(char *line) if (line[n] == '\0' || line[n] == '=') had_early_param = 1; } else if (!p->setup_func) { - printk(KERN_WARNING "Parameter %s is obsolete," - " ignored\n", p->str); + pr_warn("Parameter %s is obsolete, ignored\n", + p->str); return 1; } else if (p->setup_func(line + n)) return 1; @@ -384,7 +386,7 @@ static noinline void __init_refok rest_init(void) init_idle_bootup_task(current); schedule_preempt_disabled(); /* Call into cpu_idle with preempt disabled */ - cpu_idle(); + cpu_startup_entry(CPUHP_ONLINE); } /* Check for early params. */ @@ -398,8 +400,7 @@ static int __init do_early_param(char *param, char *val, const char *unused) strcmp(p->str, "earlycon") == 0) ) { if (p->setup_func(val) != 0) - printk(KERN_WARNING - "Malformed early option '%s'\n", param); + pr_warn("Malformed early option '%s'\n", param); } } /* We accept everything at this stage. */ @@ -494,10 +495,9 @@ asmlinkage void __init start_kernel(void) * Interrupts are still disabled. Do necessary setups, then * enable them */ - tick_init(); boot_cpu_init(); page_address_init(); - printk(KERN_NOTICE "%s", linux_banner); + pr_notice("%s", linux_banner); setup_arch(&command_line); mm_init_owner(&init_mm, &init_task); mm_init_cpumask(&init_mm); @@ -509,7 +509,7 @@ asmlinkage void __init start_kernel(void) build_all_zonelists(NULL, NULL); page_alloc_init(); - printk(KERN_NOTICE "Kernel command line: %s\n", boot_command_line); + pr_notice("Kernel command line: %s\n", boot_command_line); parse_early_param(); parse_args("Booting kernel", static_command_line, __start___param, __stop___param - __start___param, @@ -539,11 +539,8 @@ asmlinkage void __init start_kernel(void) * fragile until we cpu_idle() for the first time. */ preempt_disable(); - if (!irqs_disabled()) { - printk(KERN_WARNING "start_kernel(): bug: interrupts were " - "enabled *very* early, fixing it\n"); + if (WARN(!irqs_disabled(), "Interrupts were enabled *very* early, fixing it\n")) local_irq_disable(); - } idr_init_cache(); perf_event_init(); rcu_init(); @@ -551,6 +548,7 @@ asmlinkage void __init start_kernel(void) /* init some links before init_ISA_irqs() */ early_irq_init(); init_IRQ(); + tick_init(); init_timers(); hrtimers_init(); softirq_init(); @@ -558,9 +556,7 @@ asmlinkage void __init start_kernel(void) time_init(); profile_init(); call_function_init(); - if (!irqs_disabled()) - printk(KERN_CRIT "start_kernel(): bug: interrupts were " - "enabled early\n"); + WARN(!irqs_disabled(), "Interrupts were enabled early\n"); early_boot_irqs_disabled = false; local_irq_enable(); @@ -587,8 +583,7 @@ asmlinkage void __init start_kernel(void) #ifdef CONFIG_BLK_DEV_INITRD if (initrd_start && !initrd_below_start_ok && page_to_pfn(virt_to_page((void *)initrd_start)) < min_low_pfn) { - printk(KERN_CRIT "initrd overwritten (0x%08lx < 0x%08lx) - " - "disabling it.\n", + pr_crit("initrd overwritten (0x%08lx < 0x%08lx) - disabling it.\n", page_to_pfn(virt_to_page((void *)initrd_start)), min_low_pfn); initrd_start = 0; @@ -667,14 +662,14 @@ static int __init_or_module do_one_initcall_debug(initcall_t fn) unsigned long long duration; int ret; - printk(KERN_DEBUG "calling %pF @ %i\n", fn, task_pid_nr(current)); + pr_debug("calling %pF @ %i\n", fn, task_pid_nr(current)); calltime = ktime_get(); ret = fn(); rettime = ktime_get(); delta = ktime_sub(rettime, calltime); duration = (unsigned long long) ktime_to_ns(delta) >> 10; - printk(KERN_DEBUG "initcall %pF returned %d after %lld usecs\n", fn, - ret, duration); + pr_debug("initcall %pF returned %d after %lld usecs\n", + fn, ret, duration); return ret; } @@ -702,9 +697,7 @@ int __init_or_module do_one_initcall(initcall_t fn) strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf)); local_irq_enable(); } - if (msgbuf[0]) { - printk("initcall %pF returned with %s\n", fn, msgbuf); - } + WARN(msgbuf[0], "initcall %pF returned with %s\n", fn, msgbuf); return ret; } @@ -832,8 +825,7 @@ static int __ref kernel_init(void *unused) if (ramdisk_execute_command) { if (!run_init_process(ramdisk_execute_command)) return 0; - printk(KERN_WARNING "Failed to execute %s\n", - ramdisk_execute_command); + pr_err("Failed to execute %s\n", ramdisk_execute_command); } /* @@ -845,8 +837,8 @@ static int __ref kernel_init(void *unused) if (execute_command) { if (!run_init_process(execute_command)) return 0; - printk(KERN_WARNING "Failed to execute %s. Attempting " - "defaults...\n", execute_command); + pr_err("Failed to execute %s. Attempting defaults...\n", + execute_command); } if (!run_init_process("/sbin/init") || !run_init_process("/etc/init") || @@ -891,7 +883,7 @@ static noinline void __init kernel_init_freeable(void) /* Open the /dev/console on the rootfs, this should never fail */ if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) - printk(KERN_WARNING "Warning: unable to open an initial console.\n"); + pr_err("Warning: unable to open an initial console.\n"); (void) sys_dup(0); (void) sys_dup(0); |