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| 3 | * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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| 4 |
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| 5 |
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| 6 | #include <linux/sched/signal.h>
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| 7 | #include <linux/sched/task.h>
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| 8 | #include <linux/sched/mm.h>
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| 9 | #include <linux/spinlock.h>
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| 10 | #include <linux/slab.h>
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| 11 | #include <linux/oom.h>
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| 12 | #include <linux/reboot.h>
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| 13 | #include <kern_util.h>
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| 14 | #include <os.h>
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| 15 | #include <skas.h>
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| 16 |
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| 17 | void (*pm_power_off)(void);
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| 18 | EXPORT_SYMBOL(pm_power_off);
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| 19 |
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| 20 | static void kill_off_processes(void)
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| 21 | {
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| 22 | struct task_struct *p;
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| 23 | int pid;
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| 24 |
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| 25 | read_lock(&tasklist_lock);
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| 26 | for_each_process(p) {
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| 27 | struct task_struct *t;
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| 28 |
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| 29 | t = find_lock_task_mm(p);
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| 30 | if (!t)
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| 31 | continue;
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| 32 | pid = t->mm->context.id.pid;
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| 33 | task_unlock(t);
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| 34 | os_kill_ptraced_process(pid, 1);
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| 35 | }
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| 36 | read_unlock(&tasklist_lock);
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| 37 | }
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| 38 |
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| 39 | void uml_cleanup(void)
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| 40 | {
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| 41 | kmalloc_ok = 0;
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| 42 | do_uml_exitcalls();
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| 43 | kill_off_processes();
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| 44 | }
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| 45 |
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| 46 | void machine_restart(char * __unused)
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| 47 | {
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| 48 | uml_cleanup();
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| 49 | reboot_skas();
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| 50 | }
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| 51 |
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| 52 | void machine_power_off(void)
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| 53 | {
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| 54 | uml_cleanup();
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| 55 | halt_skas();
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| 56 | }
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| 57 |
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| 58 | void machine_halt(void)
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| 59 | {
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| 60 | machine_power_off();
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| 61 | }
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| 62 |
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| 63 | static int sys_power_off_handler(struct sys_off_data *data)
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| 64 | {
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| 65 | machine_power_off();
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| 66 | return 0;
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| 67 | }
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| 68 |
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| 69 | static int register_power_off(void)
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| 70 | {
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| 71 | register_sys_off_handler(SYS_OFF_MODE_POWER_OFF,
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| 72 | SYS_OFF_PRIO_DEFAULT,
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| 73 | sys_power_off_handler, NULL);
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| 74 | return 0;
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| 75 | }
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| 76 | __initcall(register_power_off);
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