From: Michael Gernoth <michael@gernoth.net>
Date: Sun, 22 May 2011 12:11:29 +0000 (+0200)
Subject: call real kernel_restart_prepare
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/ms2-kexec/commitdiff_plain/564905afa42095ac74577634db65f902f2533c31?ds=sidebyside

call real kernel_restart_prepare
---

diff --git a/sys.c b/sys.c
index 611276b..06b1c44 100644
--- a/sys.c
+++ b/sys.c
@@ -46,25 +46,11 @@
 
 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)
 {
-	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();
+#warning assuming kernel_restart_prepare is at 0xc00779cc
+	void (*original_kernel_restart_prepare)(char *) = (void (*)(char *))0xc00779cc;
+	return original_kernel_restart_prepare(cmd);
 }
 
 /*