From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/um/kernel/reboot.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 arch/um/kernel/reboot.c

(limited to 'arch/um/kernel/reboot.c')

diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
new file mode 100644
index 00000000..ced89039
--- /dev/null
+++ b/arch/um/kernel/reboot.c
@@ -0,0 +1,64 @@
+/* 
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <linux/oom.h>
+#include <kern_util.h>
+#include <os.h>
+#include <skas.h>
+
+void (*pm_power_off)(void);
+
+static void kill_off_processes(void)
+{
+	if (proc_mm)
+		/*
+		 * FIXME: need to loop over userspace_pids
+		 */
+		os_kill_ptraced_process(userspace_pid[0], 1);
+	else {
+		struct task_struct *p;
+		int pid;
+
+		read_lock(&tasklist_lock);
+		for_each_process(p) {
+			struct task_struct *t;
+
+			t = find_lock_task_mm(p);
+			if (!t)
+				continue;
+			pid = t->mm->context.id.u.pid;
+			task_unlock(t);
+			os_kill_ptraced_process(pid, 1);
+		}
+		read_unlock(&tasklist_lock);
+	}
+}
+
+void uml_cleanup(void)
+{
+	kmalloc_ok = 0;
+	do_uml_exitcalls();
+	kill_off_processes();
+}
+
+void machine_restart(char * __unused)
+{
+	uml_cleanup();
+	reboot_skas();
+}
+
+void machine_power_off(void)
+{
+	uml_cleanup();
+	halt_skas();
+}
+
+void machine_halt(void)
+{
+	machine_power_off();
+}
-- 
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