From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 arch/um/kernel/reboot.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 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 0000000000..48c0610d50
--- /dev/null
+++ b/arch/um/kernel/reboot.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+/* 
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ */
+
+#include <linux/sched/signal.h>
+#include <linux/sched/task.h>
+#include <linux/sched/mm.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);
+EXPORT_SYMBOL(pm_power_off);
+
+static void kill_off_processes(void)
+{
+	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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