From: Michael Gernoth <michael@gernoth.net>
Date: Sun, 22 May 2011 21:51:37 +0000 (+0200)
Subject: Revert "call real kernel_restart_prepare"
X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/ms2-kexec/commitdiff_plain/a16260b824197a0f19ad9f2443d226d2c03d37e0?ds=sidebyside

Revert "call real kernel_restart_prepare"

This reverts commit 564905afa42095ac74577634db65f902f2533c31.
---

diff --git a/sys.c b/sys.c
index 06b1c44..611276b 100644
--- a/sys.c
+++ b/sys.c
@@ -46,11 +46,25 @@
 
 extern asmlinkage long (*original_reboot)(int magic1, int magic2, unsigned int cmd, void __user *arg);
 
+static struct notifier_block dummy_notifier_reboot = {
+         .notifier_call  = NULL,
+         .next           = NULL,
+         .priority       = INT_MAX
+};
+
+BLOCKING_NOTIFIER_HEAD(notifier_head);
+
+
 void kernel_restart_prepare(char *cmd)
 {
-#warning assuming kernel_restart_prepare is at 0xc00779cc
-	void (*original_kernel_restart_prepare)(char *) = (void (*)(char *))0xc00779cc;
-	return original_kernel_restart_prepare(cmd);
+	register_reboot_notifier(&dummy_notifier_reboot);
+	notifier_head.head=dummy_notifier_reboot.next;
+	unregister_reboot_notifier(&dummy_notifier_reboot);
+
+	blocking_notifier_call_chain(&notifier_head, SYS_RESTART, cmd);
+	system_state = SYSTEM_RESTART;
+//	device_shutdown();
+//	sysdev_shutdown();
 }
 
 /*