diff options
Diffstat (limited to 'init/main.c')
| -rw-r--r-- | init/main.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/init/main.c b/init/main.c index c75dcd6eef0..40aaa020cd6 100644 --- a/init/main.c +++ b/init/main.c @@ -149,6 +149,20 @@ static int __init nosmp(char *str) early_param("nosmp", nosmp); +/* this is hard limit */ +static int __init nrcpus(char *str) +{ + int nr_cpus; + + get_option(&str, &nr_cpus); + if (nr_cpus > 0 && nr_cpus < nr_cpu_ids) + nr_cpu_ids = nr_cpus; + + return 0; +} + +early_param("nr_cpus", nrcpus); + static int __init maxcpus(char *str) { get_option(&str, &setup_max_cpus); @@ -586,6 +600,7 @@ asmlinkage void __init start_kernel(void) local_irq_disable(); } rcu_init(); + radix_tree_init(); /* init some links before init_ISA_irqs() */ early_irq_init(); init_IRQ(); @@ -659,7 +674,6 @@ asmlinkage void __init start_kernel(void) proc_caches_init(); buffer_init(); key_init(); - radix_tree_init(); security_init(); vfs_caches_init(totalram_pages); signals_init(); @@ -808,11 +822,6 @@ static noinline int init_post(void) system_state = SYSTEM_RUNNING; numa_default_policy(); - 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); current->signal->flags |= SIGNAL_UNKILLABLE; @@ -875,6 +884,12 @@ static int __init kernel_init(void * unused) 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 |