diff options
Diffstat (limited to 'init/main.c')
| -rw-r--r-- | init/main.c | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/init/main.c b/init/main.c index 27f6bf6108e9..130d1a0eef11 100644 --- a/init/main.c +++ b/init/main.c @@ -27,6 +27,7 @@ #include <linux/gfp.h> #include <linux/percpu.h> #include <linux/kmod.h> +#include <linux/vmalloc.h> #include <linux/kernel_stat.h> #include <linux/start_kernel.h> #include <linux/security.h> @@ -51,6 +52,7 @@ #include <linux/key.h> #include <linux/unwind.h> #include <linux/buffer_head.h> +#include <linux/page_cgroup.h> #include <linux/debug_locks.h> #include <linux/debugobjects.h> #include <linux/lockdep.h> @@ -60,6 +62,7 @@ #include <linux/sched.h> #include <linux/signal.h> #include <linux/idr.h> +#include <linux/ftrace.h> #include <asm/io.h> #include <asm/bugs.h> @@ -642,8 +645,10 @@ asmlinkage void __init start_kernel(void) initrd_start = 0; } #endif + vmalloc_init(); vfs_caches_init_early(); cpuset_init_early(); + page_cgroup_init(); mem_init(); enable_debug_pagealloc(); cpu_hotplug_init(); @@ -667,7 +672,6 @@ asmlinkage void __init start_kernel(void) fork_init(num_physpages); proc_caches_init(); buffer_init(); - unnamed_dev_init(); key_init(); security_init(); vfs_caches_init(num_physpages); @@ -687,46 +691,43 @@ asmlinkage void __init start_kernel(void) acpi_early_init(); /* before LAPIC and SMP init */ + ftrace_init(); + /* Do the rest non-__init'ed, we're now alive */ rest_init(); } static int initcall_debug; - -static int __init initcall_debug_setup(char *str) -{ - initcall_debug = 1; - return 1; -} -__setup("initcall_debug", initcall_debug_setup); +core_param(initcall_debug, initcall_debug, bool, 0644); int do_one_initcall(initcall_t fn) { int count = preempt_count(); - ktime_t t0, t1, delta; + ktime_t delta; char msgbuf[64]; - int result; + struct boot_trace it; if (initcall_debug) { - printk("calling %pF @ %i\n", fn, task_pid_nr(current)); - t0 = ktime_get(); + it.caller = task_pid_nr(current); + printk("calling %pF @ %i\n", fn, it.caller); + it.calltime = ktime_get(); } - result = fn(); + it.result = fn(); if (initcall_debug) { - t1 = ktime_get(); - delta = ktime_sub(t1, t0); - - printk("initcall %pF returned %d after %Ld msecs\n", - fn, result, - (unsigned long long) delta.tv64 >> 20); + it.rettime = ktime_get(); + delta = ktime_sub(it.rettime, it.calltime); + it.duration = (unsigned long long) delta.tv64 >> 10; + printk("initcall %pF returned %d after %Ld usecs\n", fn, + it.result, it.duration); + trace_boot(&it, fn); } msgbuf[0] = 0; - if (result && result != -ENODEV && initcall_debug) - sprintf(msgbuf, "error code %d ", result); + if (it.result && it.result != -ENODEV && initcall_debug) + sprintf(msgbuf, "error code %d ", it.result); if (preempt_count() != count) { strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf)); @@ -740,7 +741,7 @@ int do_one_initcall(initcall_t fn) printk("initcall %pF returned with %s\n", fn, msgbuf); } - return result; + return it.result; } @@ -767,8 +768,6 @@ static void __init do_initcalls(void) static void __init do_basic_setup(void) { rcu_init_sched(); /* needed by module_init stage. */ - /* drivers will send hotplug events */ - init_workqueues(); usermodehelper_init(); driver_init(); init_irq_proc(); @@ -852,9 +851,12 @@ static int __init kernel_init(void * unused) cad_pid = task_pid(current); + init_workqueues(); + smp_prepare_cpus(setup_max_cpus); do_pre_smp_initcalls(); + start_boot_trace(); smp_init(); sched_init_smp(); @@ -881,6 +883,7 @@ static int __init kernel_init(void * unused) * we're essentially up and running. Get rid of the * initmem segments and start the user-mode stuff.. */ + stop_boot_trace(); init_post(); return 0; } |