static int __init kernel_init(void * unused)
{
/*
* Wait until kthreadd is all set-up.
*/
wait_for_completion(&kthreadd_done);
lock_kernel();
/*
* init can allocate pages on any node
*/
set_mems_allowed(node_states[N_HIGH_MEMORY]);
/*
* init can run on any cpu.
*/
set_cpus_allowed_ptr(current, cpu_all_mask);
/*
* Tell the world that we're going to be the grim
* reaper of innocent orphaned children.
*
* We don't want people to have to make incorrect
* assumptions about where in the task array this
* can be found.
*/
init_pid_ns.child_reaper = current;
cad_pid = task_pid(current);
smp_prepare_cpus(setup_max_cpus);
do_pre_smp_initcalls();
start_boot_trace();
smp_init();
sched_init_smp();
do_basic_setup();
/*
* check if there is an early userspace init. If yes, let it do all
* the work
*/
if (!ramdisk_execute_command)
ramdisk_execute_command = "/init";
if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) {
ramdisk_execute_command = NULL;
prepare_namespace();
}
/*
* Ok, we have completed the initial bootup, and
* we're essentially up and running. Get rid of the
* initmem segments and start the user-mode stuff..
*/
init_post();
return 0;
}
static void boot_trace_ctrl_update(struct trace_array *tr)
{
if (tr->ctrl)
start_boot_trace();
else
stop_boot_trace();
}
static int __init kernel_init(void * unused)
{
lock_kernel();
/*
* init can run on any cpu.
*/
set_cpus_allowed_ptr(current, CPU_MASK_ALL_PTR);
/*
* Tell the world that we're going to be the grim
* reaper of innocent orphaned children.
*
* We don't want people to have to make incorrect
* assumptions about where in the task array this
* can be found.
*/
init_pid_ns.child_reaper = current;
cad_pid = task_pid(current);
smp_prepare_cpus(setup_max_cpus);
do_pre_smp_initcalls();
start_boot_trace();
smp_init();
sched_init_smp();
cpuset_init_smp();
do_basic_setup();
/*
* check if there is an early userspace init. If yes, let it do all
* the work
*/
if (!ramdisk_execute_command)
ramdisk_execute_command = "/init";
if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) {
ramdisk_execute_command = NULL;
prepare_namespace();
}
#ifdef CONFIG_KERNEL_DEBUG_SEC
kernel_sec_set_build_info();
#endif
/*
* Ok, we have completed the initial bootup, and
* we're essentially up and running. Get rid of the
* initmem segments and start the user-mode stuff..
*/
init_post();
return 0;
}
static int __init kernel_init(void * unused)
{
lock_kernel();
/*
* init can allocate pages on any node
*/
set_mems_allowed(node_possible_map);
/*
* init can run on any cpu.
*/
set_cpus_allowed_ptr(current, cpu_all_mask);
/*
* Tell the world that we're going to be the grim
* reaper of innocent orphaned children.
*
* We don't want people to have to make incorrect
* assumptions about where in the task array this
* can be found.
*/
init_pid_ns.child_reaper = current;
cad_pid = task_pid(current);
smp_prepare_cpus(setup_max_cpus);
do_pre_smp_initcalls();
start_boot_trace();
smp_init();
sched_init_smp();
do_basic_setup();
/*
* check if there is an early userspace init. If yes, let it do all
* the work
*/
if (!ramdisk_execute_command)
ramdisk_execute_command = "/init";
if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) {
ramdisk_execute_command = NULL;
prepare_namespace();
}
#ifdef CONFIG_PREEMPT_RT
WARN_ON(irqs_disabled());
#endif
#define DEBUG_COUNT (defined(CONFIG_DEBUG_RT_MUTEXES) + defined(CONFIG_IRQSOFF_TRACER) + defined(CONFIG_PREEMPT_TRACER) + defined(CONFIG_STACK_TRACER) + defined(CONFIG_INTERRUPT_OFF_HIST) + defined(CONFIG_PREEMPT_OFF_HIST) + defined(CONFIG_WAKEUP_LATENCY_HIST) + defined(CONFIG_DEBUG_SLAB) + defined(CONFIG_DEBUG_PAGEALLOC) + defined(CONFIG_LOCKDEP) + (defined(CONFIG_FTRACE) - defined(CONFIG_FTRACE_MCOUNT_RECORD)))
#if DEBUG_COUNT > 0
printk(KERN_ERR "*****************************************************************************\n");
printk(KERN_ERR "* *\n");
#if DEBUG_COUNT == 1
printk(KERN_ERR "* REMINDER, the following debugging option is turned on in your .config: *\n");
#else
printk(KERN_ERR "* REMINDER, the following debugging options are turned on in your .config: *\n");
#endif
printk(KERN_ERR "* *\n");
#ifdef CONFIG_DEBUG_RT_MUTEXES
printk(KERN_ERR "* CONFIG_DEBUG_RT_MUTEXES *\n");
#endif
#ifdef CONFIG_IRQSOFF_TRACER
printk(KERN_ERR "* CONFIG_IRQSOFF_TRACER *\n");
#endif
#ifdef CONFIG_PREEMPT_TRACER
printk(KERN_ERR "* CONFIG_PREEMPT_TRACER *\n");
#endif
#if defined(CONFIG_FTRACE) && !defined(CONFIG_FTRACE_MCOUNT_RECORD)
printk(KERN_ERR "* CONFIG_FTRACE *\n");
#endif
#ifdef CONFIG_INTERRUPT_OFF_HIST
printk(KERN_ERR "* CONFIG_INTERRUPT_OFF_HIST *\n");
#endif
#ifdef CONFIG_PREEMPT_OFF_HIST
printk(KERN_ERR "* CONFIG_PREEMPT_OFF_HIST *\n");
#endif
#ifdef CONFIG_WAKEUP_LATENCY_HIST
printk(KERN_ERR "* CONFIG_WAKEUP_LATENCY_HIST *\n");
#endif
#ifdef CONFIG_DEBUG_SLAB
printk(KERN_ERR "* CONFIG_DEBUG_SLAB *\n");
#endif
#ifdef CONFIG_DEBUG_PAGEALLOC
printk(KERN_ERR "* CONFIG_DEBUG_PAGEALLOC *\n");
#endif
#ifdef CONFIG_LOCKDEP
printk(KERN_ERR "* CONFIG_LOCKDEP *\n");
#endif
printk(KERN_ERR "* *\n");
#if DEBUG_COUNT == 1
printk(KERN_ERR "* it may increase runtime overhead and latencies. *\n");
#else
printk(KERN_ERR "* they may increase runtime overhead and latencies. *\n");
#endif
printk(KERN_ERR "* *\n");
printk(KERN_ERR "*****************************************************************************\n");
#endif
/*
* Ok, we have completed the initial bootup, and
* we're essentially up and running. Get rid of the
* initmem segments and start the user-mode stuff..
*/
init_post();
return 0;
}
static int __init kernel_init(void * unused)
{
lock_kernel();
/*
* init can allocate pages on any node
*/
set_mems_allowed(node_states[N_HIGH_MEMORY]);
/*
* init can run on any cpu.
*/
set_cpus_allowed_ptr(current, cpu_all_mask);
/*
* Tell the world that we're going to be the grim
* reaper of innocent orphaned children.
*
* We don't want people to have to make incorrect
* assumptions about where in the task array this
* can be found.
*/
init_pid_ns.child_reaper = current;
cad_pid = task_pid(current);
smp_prepare_cpus(setup_max_cpus);
do_pre_smp_initcalls();
start_boot_trace();
smp_init();
sched_init_smp();
do_basic_setup();
/* 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");
(void) sys_dup(0);
(void) sys_dup(0);
/*
* check if there is an early userspace init. If yes, let it do all
* the work
*/
if (!ramdisk_execute_command)
ramdisk_execute_command = "/init";
if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) {
ramdisk_execute_command = NULL;
prepare_namespace();
}
/*
* Ok, we have completed the initial bootup, and
* we're essentially up and running. Get rid of the
* initmem segments and start the user-mode stuff..
*/
init_post();
return 0;
}
static int __init kernel_init(void * unused)
{
lock_kernel();
/*
* init can allocate pages on any node
*/
set_mems_allowed(node_possible_map);
#ifdef CONFIG_SYS_HAS_CONTROL_CPU
/*
* init can run on cpu0 only .
*/
set_cpus_allowed_ptr(current, cpumask_of(0));
#else
/*
* init can run on any cpu .
*/
set_cpus_allowed_ptr(current, cpu_all_mask);
#endif
/*
* Tell the world that we're going to be the grim
* reaper of innocent orphaned children.
*
* We don't want people to have to make incorrect
* assumptions about where in the task array this
* can be found.
*/
init_pid_ns.child_reaper = current;
cad_pid = task_pid(current);
smp_prepare_cpus(setup_max_cpus);
do_pre_smp_initcalls();
start_boot_trace();
smp_init();
sched_init_smp();
#ifdef CONFIG_SYS_HAS_CONTROL_CPU
/* HeJianjun modified for bug 148,
* we run linux local processes on only cpu0, other cpu's are just for running dapp */
set_cpus_allowed_ptr(current, cpumask_of(0));
#endif
do_basic_setup();
/*
* check if there is an early userspace init. If yes, let it do all
* the work
*/
if (!ramdisk_execute_command)
ramdisk_execute_command = "/init";
if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) {
ramdisk_execute_command = NULL;
prepare_namespace();
}
/*
* Ok, we have completed the initial bootup, and
* we're essentially up and running. Get rid of the
* initmem segments and start the user-mode stuff..
*/
init_post();
return 0;
}
