X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=init%2Fmain.c;h=8b4a7d76916235df139b98bd41019a228615a2dd;hb=131c1a2b6eef87485f7e280817d97615ea2a1551;hp=ee123243fb530b4d4e589f731c5bfa4652148dc8;hpb=12e36b2f41b6cbc67386fcb9c59c32a3e2033905;p=linux-2.6

diff --git a/init/main.c b/init/main.c
index ee123243fb..8b4a7d7691 100644
--- a/init/main.c
+++ b/init/main.c
@@ -29,6 +29,7 @@
 #include <linux/percpu.h>
 #include <linux/kmod.h>
 #include <linux/kernel_stat.h>
+#include <linux/start_kernel.h>
 #include <linux/security.h>
 #include <linux/workqueue.h>
 #include <linux/profile.h>
@@ -49,6 +50,8 @@
 #include <linux/buffer_head.h>
 #include <linux/debug_locks.h>
 #include <linux/lockdep.h>
+#include <linux/pid_namespace.h>
+#include <linux/device.h>
 
 #include <asm/io.h>
 #include <asm/bugs.h>
@@ -73,6 +76,10 @@
 #error Sorry, your GCC is too old. It builds incorrect kernels.
 #endif
 
+#if __GNUC__ == 4 && __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ == 0
+#warning gcc-4.1.0 is known to miscompile the kernel.  A different compiler version is recommended.
+#endif
+
 static int init(void *);
 
 extern void init_IRQ(void);
@@ -86,8 +93,6 @@ extern void pidmap_init(void);
 extern void prio_tree_init(void);
 extern void radix_tree_init(void);
 extern void free_initmem(void);
-extern void populate_rootfs(void);
-extern void driver_init(void);
 extern void prepare_namespace(void);
 #ifdef	CONFIG_ACPI
 extern void acpi_early_init(void);
@@ -503,6 +508,7 @@ asmlinkage void __init start_kernel(void)
 	printk(KERN_NOTICE);
 	printk(linux_banner);
 	setup_arch(&command_line);
+	unwind_setup();
 	setup_per_cpu_areas();
 	smp_prepare_boot_cpu();	/* arch-specific boot-cpu hooks */
 
@@ -524,6 +530,11 @@ asmlinkage void __init start_kernel(void)
 	parse_args("Booting kernel", command_line, __start___param,
 		   __stop___param - __start___param,
 		   &unknown_bootoption);
+	if (!irqs_disabled()) {
+		printk(KERN_WARNING "start_kernel(): bug: interrupts were "
+				"enabled *very* early, fixing it\n");
+		local_irq_disable();
+	}
 	sort_main_extable();
 	trap_init();
 	rcu_init();
@@ -618,8 +629,6 @@ static int __init initcall_debug_setup(char *str)
 }
 __setup("initcall_debug", initcall_debug_setup);
 
-struct task_struct *child_reaper = &init_task;
-
 extern initcall_t __initcall_start[], __initcall_end[];
 
 static void __init do_initcalls(void)
@@ -686,7 +695,7 @@ static void __init do_basic_setup(void)
 	do_initcalls();
 }
 
-static void do_pre_smp_initcalls(void)
+static void __init do_pre_smp_initcalls(void)
 {
 	extern int spawn_ksoftirqd(void);
 #ifdef CONFIG_SMP
@@ -719,7 +728,7 @@ static int init(void * unused)
 	 * assumptions about where in the task array this
 	 * can be found.
 	 */
-	child_reaper = current;
+	init_pid_ns.child_reaper = current;
 
 	cad_pid = task_pid(current);
 
@@ -732,12 +741,6 @@ static int init(void * unused)
 
 	cpuset_init_smp();
 
-	/*
-	 * Do this before initcalls, because some drivers want to access
-	 * firmware files.
-	 */
-	populate_rootfs();
-
 	do_basic_setup();
 
 	/*