kexec jump: remove duplication of kexec_restart_prepare()

Call kernel_restart_prepare() in kernel_kexec() instead of duplicating the
code.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Acked-by: Pavel Machek <pavel@suse.cz>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/kernel/kexec.c b/kernel/kexec.c
index 2810558802b6..b81682312dc4 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1472,11 +1472,7 @@ int kernel_kexec(void)
         } else
 #endif
         {
-                blocking_notifier_call_chain(&reboot_notifier_list,
-                                             SYS_RESTART, NULL);
-                system_state = SYSTEM_RESTART;
-                device_shutdown();
-                sysdev_shutdown();
+                kernel_restart_prepare(NULL);
                 printk(KERN_EMERG "Starting new kernel\n");
                 machine_shutdown();
         }