asmlinkage void __init start_kernel(void)
{
char * command_line;
extern struct kernel_param __start___param[], __stop___param[];
smp_setup_processor_id();
/*
* Need to run as early as possible, to initialize the
* lockdep hash:
*/
lockdep_init();
debug_objects_early_init();
/*
* Set up the the initial canary ASAP:
*/
boot_init_stack_canary();
cgroup_init_early();
local_irq_disable();
early_boot_irqs_off();
early_init_irq_lock_class();
/*
* Interrupts are still disabled. Do necessary setups, then
* enable them
*/
lock_kernel();
tick_init();
boot_cpu_init();
page_address_init();
printk(KERN_NOTICE "%s", linux_banner);
setup_arch(&command_line);
mm_init_owner(&init_mm, &init_task);
setup_command_line(command_line);
setup_nr_cpu_ids();
setup_per_cpu_areas();
smp_prepare_boot_cpu(); /* arch-specific boot-cpu hooks */
build_all_zonelists(NULL);
page_alloc_init();
printk(KERN_NOTICE "Kernel command line: %s\n", boot_command_line);
//[email protected] 2011.11.14 begin
//support lcd compatible
//reviewed by [email protected]
#if defined(CONFIG_LCD_DRV_ALL)
char *p = strstr(boot_command_line, "lcd=");
if (p)
{
lcd_drv_index = p[4] - 'A';
printk("lcd index = %d", lcd_drv_index);
}
#endif
//[email protected] 2011.11.14 end
parse_early_param();
parse_args("Booting kernel", static_command_line, __start___param,
__stop___param - __start___param,
&unknown_bootoption);
/*
* These use large bootmem allocations and must precede
* kmem_cache_init()
*/
pidhash_init();
vfs_caches_init_early();
sort_main_extable();
trap_init();
mm_init();
/*
* Set up the scheduler prior starting any interrupts (such as the
* timer interrupt). Full topology setup happens at smp_init()
* time - but meanwhile we still have a functioning scheduler.
*/
sched_init();
/*
* Disable preemption - early bootup scheduling is extremely
* 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");
local_irq_disable();
}
rcu_init();
radix_tree_init();
/* init some links before init_ISA_irqs() */
early_irq_init();
init_IRQ();
prio_tree_init();
init_timers();
hrtimers_init();
softirq_init();
timekeeping_init();
time_init();
profile_init();
if (!irqs_disabled())
printk(KERN_CRIT "start_kernel(): bug: interrupts were "
"enabled early\n");
early_boot_irqs_on();
local_irq_enable();
/* Interrupts are enabled now so all GFP allocations are safe. */
gfp_allowed_mask = __GFP_BITS_MASK;
kmem_cache_init_late();
/*
* HACK ALERT! This is early. We're enabling the console before
* we've done PCI setups etc, and console_init() must be aware of
* this. But we do want output early, in case something goes wrong.
*/
console_init();
if (panic_later)
panic(panic_later, panic_param);
lockdep_info();
/*
* Need to run this when irqs are enabled, because it wants
* to self-test [hard/soft]-irqs on/off lock inversion bugs
* too:
*/
locking_selftest();
#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",
page_to_pfn(virt_to_page((void *)initrd_start)),
min_low_pfn);
initrd_start = 0;
}
#endif
page_cgroup_init();
enable_debug_pagealloc();
kmemtrace_init();
kmemleak_init();
debug_objects_mem_init();
idr_init_cache();
setup_per_cpu_pageset();
numa_policy_init();
if (late_time_init)
late_time_init();
sched_clock_init();
calibrate_delay();
pidmap_init();
anon_vma_init();
#ifdef CONFIG_X86
if (efi_enabled)
efi_enter_virtual_mode();
#endif
thread_info_cache_init();
cred_init();
fork_init(totalram_pages);
proc_caches_init();
buffer_init();
key_init();
security_init();
dbg_late_init();
vfs_caches_init(totalram_pages);
signals_init();
/* rootfs populating might need page-writeback */
page_writeback_init();
#ifdef CONFIG_PROC_FS
proc_root_init();
#endif
cgroup_init();
cpuset_init();
taskstats_init_early();
delayacct_init();
check_bugs();
acpi_early_init(); /* before LAPIC and SMP init */
sfi_init_late();
ftrace_init();
/* Do the rest non-__init'ed, we're now alive */
rest_init();
}
asmlinkage void __init start_kernel(void)
{
char * command_line;
extern struct kernel_param __start___param[], __stop___param[];
smp_setup_processor_id();
/*
* Need to run as early as possible, to initialize the
* lockdep hash:
*/
unwind_init();
lockdep_init();
local_irq_disable();
early_boot_irqs_off();
early_init_irq_lock_class();
/*
* Interrupts are still disabled. Do necessary setups, then
* enable them
*/
lock_kernel();
boot_cpu_init();
page_address_init();
printk(KERN_NOTICE);
printk(linux_banner);
setup_arch(&command_line);
setup_per_cpu_areas();
smp_prepare_boot_cpu(); /* arch-specific boot-cpu hooks */
/*
* Set up the scheduler prior starting any interrupts (such as the
* timer interrupt). Full topology setup happens at smp_init()
* time - but meanwhile we still have a functioning scheduler.
*/
sched_init();
/*
* Disable preemption - early bootup scheduling is extremely
* fragile until we cpu_idle() for the first time.
*/
preempt_disable();
build_all_zonelists();
page_alloc_init();
printk(KERN_NOTICE "Kernel command line: %s\n", saved_command_line);
parse_early_param();
parse_args("Booting kernel", command_line, __start___param,
__stop___param - __start___param,
&unknown_bootoption);
sort_main_extable();
trap_init();
rcu_init();
init_IRQ();
pidhash_init();
init_timers();
hrtimers_init();
softirq_init();
timekeeping_init();
time_init();
profile_init();
if (!irqs_disabled())
printk("start_kernel(): bug: interrupts were enabled early\n");
early_boot_irqs_on();
local_irq_enable();
/*
* HACK ALERT! This is early. We're enabling the console before
* we've done PCI setups etc, and console_init() must be aware of
* this. But we do want output early, in case something goes wrong.
*/
console_init();
if (panic_later)
panic(panic_later, panic_param);
lockdep_info();
/*
* Need to run this when irqs are enabled, because it wants
* to self-test [hard/soft]-irqs on/off lock inversion bugs
* too:
*/
locking_selftest();
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start && !initrd_below_start_ok &&
initrd_start < min_low_pfn << PAGE_SHIFT) {
printk(KERN_CRIT "initrd overwritten (0x%08lx < 0x%08lx) - "
"disabling it.\n",initrd_start,min_low_pfn << PAGE_SHIFT);
initrd_start = 0;
}
#endif
vfs_caches_init_early();
cpuset_init_early();
mem_init();
kmem_cache_init();
setup_per_cpu_pageset();
numa_policy_init();
if (late_time_init)
late_time_init();
calibrate_delay();
pidmap_init();
pgtable_cache_init();
prio_tree_init();
anon_vma_init();
#ifdef CONFIG_X86
if (efi_enabled)
efi_enter_virtual_mode();
#endif
fork_init(num_physpages);
proc_caches_init();
buffer_init();
unnamed_dev_init();
key_init();
security_init();
vfs_caches_init(num_physpages);
radix_tree_init();
signals_init();
/* rootfs populating might need page-writeback */
page_writeback_init();
#ifdef CONFIG_PROC_FS
proc_root_init();
#endif
cpuset_init();
taskstats_init_early();
delayacct_init();
check_bugs();
acpi_early_init(); /* before LAPIC and SMP init */
/* Do the rest non-__init'ed, we're now alive */
rest_init();
}
asmlinkage void __init start_kernel(void)
{
char * command_line;
extern struct kernel_param __start___param[], __stop___param[];
#ifdef CONFIG_RTAI_RTSPMM
unsigned int indice_part;
/* Size of the needed memory block by the configuration */
unsigned long rt_mem_block_size = 0;
#endif
/*
* Interrupts are still disabled. Do necessary setups, then
* enable them
*/
lock_kernel();
page_address_init();
printk(linux_banner);
setup_arch(&command_line);
setup_per_cpu_areas();
/*
* Mark the boot cpu "online" so that it can call console drivers in
* printk() and can access its per-cpu storage.
*/
smp_prepare_boot_cpu();
/*
* Set up the scheduler prior starting any interrupts (such as the
* timer interrupt). Full topology setup happens at smp_init()
* time - but meanwhile we still have a functioning scheduler.
*/
sched_init();
/*
* Disable preemption - early bootup scheduling is extremely
* fragile until we cpu_idle() for the first time.
*/
preempt_disable();
build_all_zonelists();
page_alloc_init();
early_init_hardirqs();
printk("Kernel command line: %s\n", saved_command_line);
parse_early_param();
parse_args("Booting kernel", command_line, __start___param,
__stop___param - __start___param,
&unknown_bootoption);
sort_main_extable();
trap_init();
rcu_init();
init_IRQ();
pidhash_init();
init_timers();
softirq_init();
time_init();
/*
* HACK ALERT! This is early. We're enabling the console before
* we've done PCI setups etc, and console_init() must be aware of
* this. But we do want output early, in case something goes wrong.
*/
console_init();
if (panic_later)
panic(panic_later, panic_param);
#ifdef CONFIG_RTAI_RTSPMM
/* Allocate a big and continuous memory block for the module SPMM
included in the RTAI functionalities */
printk("--- Memory Allocation for the module rt_spmm ---\n");
/* WARNING
We need to add some space for the structures vrtxptext and vrtxpt and the partitions bitmap
that the module rt_spmm uses to handle the blocks in each partition */
/* for each defined partitions */
for(indice_part = 0; indice_part < RT_MAX_PART_NUM; indice_part ++)
{
if ((rt_partitions_table[indice_part].block_size != 0) &&
(rt_partitions_table[indice_part].num_of_blocks != 0))
{
rt_partitions_table[indice_part].part_size =
(rt_partitions_table[indice_part].block_size + XN_NBBY)
*rt_partitions_table[indice_part].num_of_blocks +
+ sizeof(vrtxptext_t)+sizeof(vrtxpt_t);
rt_mem_block_size += rt_partitions_table[indice_part].part_size;
}
}
#ifdef CONFIG_RTAI_PART_DMA
printk("Allocate memory in the low part of memory\n");
rt_mem_block_ptr=(void*)alloc_bootmem_low(rt_mem_block_size + PAGE_SIZE-1);
#else
printk("Allocate memory in the standard part of memory\n");
rt_mem_block_ptr=(void*)alloc_bootmem(rt_mem_block_size + PAGE_SIZE-1);
#endif /* CONFIG_PART_DMA */
printk("Needed Memory Size : %lu\n", rt_mem_block_size);
printk("Allocated Memory Size : %lu\n", rt_mem_block_size + PAGE_SIZE-1);
printk("Memory block address : 0x%x\n", (unsigned int)rt_mem_block_ptr);
printk("-----------------------------------------------\n");
#endif /* CONFIG_RTAI_RTSPMM */
profile_init();
local_irq_enable();
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start && !initrd_below_start_ok &&
initrd_start < min_low_pfn << PAGE_SHIFT) {
printk(KERN_CRIT "initrd overwritten (0x%08lx < 0x%08lx) - "
"disabling it.\n",initrd_start,min_low_pfn << PAGE_SHIFT);
initrd_start = 0;
}
#endif
vfs_caches_init_early();
mem_init();
kmem_cache_init();
numa_policy_init();
if (late_time_init)
late_time_init();
calibrate_delay();
pidmap_init();
pgtable_cache_init();
prio_tree_init();
anon_vma_init();
#ifdef CONFIG_X86
if (efi_enabled)
efi_enter_virtual_mode();
#endif
fork_init(num_physpages);
proc_caches_init();
buffer_init();
unnamed_dev_init();
security_init();
vfs_caches_init(num_physpages);
#ifdef CONFIG_MOT_FEAT_DEVICE_TREE
mothwcfg_init();
#endif /* CONFIG_MOT_FEAT_DEVICE_TREE */
radix_tree_init();
signals_init();
/* rootfs populating might need page-writeback */
page_writeback_init();
#ifdef CONFIG_PROC_FS
proc_root_init();
#endif
check_bugs();
acpi_early_init(); /* before LAPIC and SMP init */
/* Do the rest non-__init'ed, we're now alive */
rest_init();
}
int main(int argc, char ** argv)
{
if (security_init() != 0) {
log(CRITICAL, "Security initialisation Error. Exiting.");
return EXIT_SECURITY_ERROR;
}
if (security_check() != SECURITY_OKAY) {
log(CRITICAL, "Security check error. Exiting.");
return EXIT_SECURITY_ERROR;
}
interactive_signals();
int config_status = loadConfig(argc, argv, USAGE_SERVER);
if (config_status < 0) {
if (config_status == CONFIG_VERSION) {
std::cout << argv[0] << " (cyphesis) " << consts::version
<< " (Cyphesis build " << consts::buildId << ")"
<< std::endl << std::flush;
return 0;
} else if (config_status == CONFIG_HELP) {
showUsage(argv[0], USAGE_SERVER);
return 0;
} else if (config_status != CONFIG_ERROR) {
log(ERROR, "Unknown error reading configuration.");
}
// Fatal error loading config file.
return EXIT_CONFIG_ERROR;
}
if (daemon_flag) {
int pid = daemonise();
if (pid == -1) {
return EXIT_FORK_ERROR;
} else if (pid > 0) {
return EXIT_SUCCESS;
}
}
readConfigItem(instance, "usedatabase", database_flag);
// If we are a daemon logging to syslog, we need to set it up.
initLogger();
// Initialise the persistance subsystem. If we have been built with
// database support, this will open the various databases used to
// store server data.
if (database_flag) {
Persistence * p = Persistence::instance();
int dbstatus = p->init();
if (dbstatus < 0) {
database_flag = false;
log(ERROR, "Error opening database. Database disabled.");
if (dbstatus == DATABASE_TABERR) {
log(INFO, "Database connection established, "
"but unable to create required tables.");
log(INFO, "Please ensure that any obsolete database "
"tables have been removed.");
} else {
log(INFO, "Unable to connect to the RDBMS.");
log(INFO, "Please ensure that the RDBMS is running, "
"the cyphesis database exists and is accessible "
"to the user running cyphesis.");
}
log(INFO, String::compose("To disable this message please run:\n\n"
" cyconfig --%1:usedatabase=false\n\n"
"to permanently disable database usage.",
instance));
}
}
// If the restricted flag is set in the config file, then we
// don't allow connecting users to create accounts. Accounts must
// be created manually by the server administrator.
if (restricted_flag) {
log(INFO, "Setting restricted mode.");
}
readConfigItem(instance, "inittime", timeoffset);
std::string server_name;
if (readConfigItem(instance, "servername", server_name) != 0) {
if (instance == CYPHESIS) {
server_name = get_hostname();
} else {
server_name = instance;
}
}
int nice = 1;
readConfigItem(instance, "nice", nice);
// Start up the python subsystem.
init_python_api();
{ // scope for CommServer
// Create commserver instance that will handle connections from clients.
// The commserver will create the other server related objects, and the
// world object pair (World + WorldRouter), and initialise the admin
// account. The primary ruleset name is passed in so it
// can be stored and queried by clients.
Inheritance::instance();
WorldRouter world;
Ruleset::init();
TeleportAuthenticator::init();
StorageManager store(world);
// This ID is currently generated every time, but should perhaps be
// persistent in future.
std::string server_id, lobby_id;
long int_id, lobby_int_id;
if (((int_id = newId(server_id)) < 0) ||
((lobby_int_id = newId(lobby_id)) < 0)) {
log(CRITICAL, "Unable to get server IDs from Database");
return EXIT_DATABASE_ERROR;
}
ServerRouting server(world, ruleset, server_name,
server_id, int_id,
lobby_id, lobby_int_id);
CommServer commServer(server);
if (commServer.setup() != 0) {
log(CRITICAL, "Internal error setting up server infrastructure");
return EXIT_SOCKET_ERROR;
}
// This is where we should restore the database, before
// the listen sockets are open. Unlike earlier code, we are
// attempting to construct the internal state from the database,
// not creating a new world using the contents of the database as a
// template
if (database_flag) {
// log(INFO, _("Restoring world from database..."));
store.restoreWorld();
// FIXME Do the following steps.
// Read the world entity if any from the database, or set it up.
// If it was there, make sure it did not get any of the wrong
// position or orientation data.
store.initWorld();
// log(INFO, _("Restored world."));
CommPSQLSocket * dbsocket = new CommPSQLSocket(commServer,
Persistence::instance()->m_connection);
commServer.addSocket(dbsocket);
commServer.addIdle(dbsocket);
IdleConnector * storage_idle = new IdleConnector(commServer);
storage_idle->idling.connect(sigc::mem_fun(&store, &StorageManager::tick));
commServer.addIdle(storage_idle);
} else {
std::string adminId;
long intId = newId(adminId);
assert(intId >= 0);
Admin * admin = new Admin(0, "admin", "BAD_HASH", adminId, intId);
server.addAccount(admin);
}
// Add the test object, and call it regularly so it can do what it does.
// UpdateTester * update_tester = new UpdateTester(commServer);
// commServer.addIdle(update_tester);
CommTCPListener * listener = new CommTCPListener(commServer,
*new CommClientFactory<Connection>());
if (client_port_num < 0) {
client_port_num = dynamic_port_start;
for (; client_port_num <= dynamic_port_end; client_port_num++) {
if (listener->setup(client_port_num) == 0) {
break;
}
}
if (client_port_num > dynamic_port_end) {
log(ERROR, String::compose("Could not find free client listen "
"socket in range %1-%2. Init failed.",
dynamic_port_start, dynamic_port_end));
log(INFO, String::compose("To allocate 8 more ports please run:"
"\n\n cyconfig "
"--cyphesis:dynamic_port_end=%1\n\n",
dynamic_port_end + 8));
return EXIT_PORT_ERROR;
}
log(INFO, String::compose("Auto configuring new instance \"%1\" "
"to use port %2.",
instance, client_port_num));
global_conf->setItem(instance, "tcpport", client_port_num,
varconf::USER);
global_conf->setItem(CYPHESIS, "dynamic_port_start",
client_port_num + 1, varconf::USER);
} else {
if (listener->setup(client_port_num) != 0) {
log(ERROR, String::compose("Could not create client listen socket "
"on port %1. Init failed.",
client_port_num));
return EXIT_SOCKET_ERROR;
}
}
commServer.addSocket(listener);
#ifdef HAVE_SYS_UN_H
CommUnixListener * localListener = new CommUnixListener(commServer,
*new CommClientFactory<TrustedConnection>());
if (localListener->setup(client_socket_name) != 0) {
log(ERROR, String::compose("Could not create local listen socket "
"with address \"%1\"",
localListener->getPath()));
delete localListener;
} else {
commServer.addSocket(localListener);
}
CommUnixListener * pythonListener = new CommUnixListener(commServer,
*new CommPythonClientFactory());
if (pythonListener->setup(python_socket_name) != 0) {
log(ERROR, String::compose("Could not create python listen socket "
"with address %1.",
pythonListener->getPath()));
delete pythonListener;
} else {
commServer.addSocket(pythonListener);
}
#endif
CommTCPListener * httpListener = new CommTCPListener(commServer,
*new CommHttpClientFactory());
if (httpListener->setup(http_port_num) != 0) {
log(ERROR, String::compose("Could not create http listen socket on "
"port %1.", http_port_num));
delete httpListener;
} else {
commServer.addSocket(httpListener);
}
if (useMetaserver) {
CommMetaClient * cmc = new CommMetaClient(commServer);
if (cmc->setup(mserver) == 0) {
commServer.addIdle(cmc);
} else {
log(ERROR, "Error creating metaserver comm channel.");
delete cmc;
}
}
#if defined(HAVE_LIBHOWL) || defined(HAVE_AVAHI)
CommMDNSPublisher * cmdns = new CommMDNSPublisher(commServer);
if (cmdns->setup() == 0) {
commServer.addSocket(cmdns);
commServer.addIdle(cmdns);
} else {
log(ERROR, "Unable to register service with MDNS daemon.");
delete cmdns;
}
#endif // defined(HAVE_LIBHOWL) || defined(HAVE_AVAHI)
// Configuration is now complete, and verified as somewhat sane, so
// we save the updated user config.
updateUserConfiguration();
log(INFO, "Running");
logEvent(START, "- - - Standalone server startup");
// Inform things that want to know that we are running.
running();
// Reduce our system priority to make it easier to debug a runaway
// server.
if (nice != 0) {
reduce_priority(nice);
}
// Loop until the exit flag is set. The exit flag can be set anywhere in
// the code easily.
while (!exit_flag) {
try {
commServer.poll();
}
catch (...) {
// It is hoped that commonly thrown exception, particularly
// exceptions that can be caused by external influences
// should be caught close to where they are thrown. If
// an exception makes it here then it should be debugged.
log(ERROR, "Exception caught in main()");
}
}
// exit flag has been set so we close down the databases, and indicate
// to the metaserver (if we are using one) that this server is going down.
// It is assumed that any preparation for the shutdown that is required
// by the game has been done before exit flag was set.
log(NOTICE, "Performing clean shutdown...");
} // close scope of CommServer, WorldRouter, and ServerRouting, which
// cause the destruction of the server and world objects, and the entire
// world contents
Persistence::instance()->shutdown();
EntityBuilder::instance()->flushFactories();
EntityBuilder::del();
ArithmeticBuilder::del();
MindFactory::del();
TeleportAuthenticator::del();
Inheritance::clear();
// Shutdown the python interpretter. This frees lots of memory, and if
// the malloc heap is in any way corrupt, a segfault is likely to
// occur at this point. Previous occassions where pointers have been
// deleted twice elsewhere in the code, have resulted in a segfault
// at this point. AlRiddoch 10th November 2001
shutdown_python_api();
delete global_conf;
log(INFO, "Clean shutdown complete.");
logEvent(STOP, "- - - Standalone server shutdown");
return 0;
}
asmlinkage void __init start_kernel(void)
{
char * command_line;
/*
* Interrupts are still disabled. Do necessary setups, then
* enable them
*/
lock_kernel();
page_address_init();
printk(KERN_NOTICE);
printk(linux_banner);
setup_arch(&command_line);
setup_per_cpu_areas();
/*
* Mark the boot cpu "online" so that it can call console drivers in
* printk() and can access its per-cpu storage.
*/
smp_prepare_boot_cpu();
/*
* Set up the scheduler prior starting any interrupts (such as the
* timer interrupt). Full topology setup happens at smp_init()
* time - but meanwhile we still have a functioning scheduler.
*/
sched_init();
/*
* Disable preemption - early bootup scheduling is extremely
* fragile until we cpu_idle() for the first time.
*/
preempt_disable();
build_all_zonelists();
page_alloc_init();
printk(KERN_NOTICE "Kernel command line: %s\n", saved_command_line);
parse_early_param();
parse_args("Booting kernel", command_line, __kernel_param_list_ptr,
kparam_list_count(),
&unknown_bootoption);
sort_main_extable();
#ifdef CONFIG_LTT
ltt_init();
#endif //CONFIG_LTT
trap_init();
rcu_init();
init_IRQ();
pidhash_init();
init_timers();
hrtimers_init();
softirq_init();
time_init();
/*
* HACK ALERT! This is early. We're enabling the console before
* we've done PCI setups etc, and console_init() must be aware of
* this. But we do want output early, in case something goes wrong.
*/
console_init();
if (panic_later)
panic(panic_later, panic_param);
profile_init();
local_irq_enable();
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start && !initrd_below_start_ok &&
initrd_start < min_low_pfn << PAGE_SHIFT) {
printk(KERN_CRIT "initrd overwritten (0x%08lx < 0x%08lx) - "
"disabling it.\n",initrd_start,min_low_pfn << PAGE_SHIFT);
initrd_start = 0;
}
#endif
vfs_caches_init_early();
mem_init();
kmem_cache_init();
setup_per_cpu_pageset();
numa_policy_init();
if (late_time_init)
late_time_init();
calibrate_delay();
pidmap_init();
pgtable_cache_init();
prio_tree_init();
anon_vma_init();
#ifdef CONFIG_X86
if (efi_enabled)
efi_enter_virtual_mode();
#endif
fork_init(num_physpages);
proc_caches_init();
buffer_init();
unnamed_dev_init();
key_init();
security_init();
vfs_caches_init(num_physpages);
radix_tree_init();
signals_init();
/* rootfs populating might need page-writeback */
page_writeback_init();
#ifdef CONFIG_PROC_FS
proc_root_init();
#endif
cpuset_init();
check_bugs();
acpi_early_init(); /* before LAPIC and SMP init */
/* Do the rest non-__init'ed, we're now alive */
rest_init();
}