blob: 928b31870669bf6d425990d021c9739365b5b0b5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* Copyright 2010 Tilera Corporation. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for
* more details.
*/
#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/init_task.h>
#include <linux/mqueue.h>
#include <linux/module.h>
#include <linux/start_kernel.h>
#include <linux/uaccess.h>
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
/*
* Initial thread structure.
*
* We need to make sure that this is THREAD_SIZE aligned due to the
* way process stacks are handled. This is done by having a special
* "init_task" linker map entry..
*/
union thread_union init_thread_union __init_task_data = {
INIT_THREAD_INFO(init_task)
};
/*
* Initial task structure.
*
* All other task structs will be allocated on slabs in fork.c
*/
struct task_struct init_task = INIT_TASK(init_task);
EXPORT_SYMBOL(init_task);
/*
* per-CPU stack and boot info.
*/
DEFINE_PER_CPU(unsigned long, boot_sp) =
(unsigned long)init_stack + THREAD_SIZE;
#ifdef CONFIG_SMP
DEFINE_PER_CPU(unsigned long, boot_pc) = (unsigned long)start_kernel;
#else
/*
* The variable must be __initdata since it references __init code.
* With CONFIG_SMP it is per-cpu data, which is exempt from validation.
*/
unsigned long __initdata boot_pc = (unsigned long)start_kernel;
#endif
|
