Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6

[sfrench/cifs-2.6.git] / init / main.c

diff --git a/init/main.c b/init/main.c
index 0766e69712b2a86efa74caf3c5bd487bbbcd3753..e3f0bb20b4ddffc0e82181f48ef42e3953df4fdd 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -9,8 +9,6 @@
  *  Simplified starting of init:  Michael A. Griffith <grif@acm.org> 
  */
 
-#define __KERNEL_SYSCALLS__
-
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/proc_fs.h>
@@ -31,6 +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>
@@ -51,6 +50,9 @@
 #include <linux/buffer_head.h>
 #include <linux/debug_locks.h>
 #include <linux/lockdep.h>
+#include <linux/utsrelease.h>
+#include <linux/pid_namespace.h>
+#include <linux/compile.h>
 
 #include <asm/io.h>
 #include <asm/bugs.h>
@@ -75,6 +77,10 @@
 #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);
@@ -88,7 +94,6 @@ 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
@@ -477,6 +482,12 @@ void __init __attribute__((weak)) smp_setup_processor_id(void)
 {
 }
 
+static const char linux_banner[] =
+       "Linux version " UTS_RELEASE
+       " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")"
+       " (" LINUX_COMPILER ")"
+       " " UTS_VERSION "\n";
+
 asmlinkage void __init start_kernel(void)
 {
        char * command_line;
@@ -505,6 +516,7 @@ 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 */
 
@@ -620,8 +632,6 @@ 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)
@@ -703,7 +713,7 @@ static void do_pre_smp_initcalls(void)
 static void run_init_process(char *init_filename)
 {
        argv_init[0] = init_filename;
-       execve(init_filename, argv_init, envp_init);
+       kernel_execve(init_filename, argv_init, envp_init);
 }
 
 static int init(void * unused)
@@ -721,7 +731,9 @@ 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);
 
        smp_prepare_cpus(max_cpus);
 
@@ -732,12 +744,6 @@ 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();
 
        /*