1 files changed, 10 insertions, 0 deletions

diff --git a/kernel/sys.c b/kernel/sys.c
index 18bde979f346..1d965808c1c8 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -32,6 +32,7 @@
 #include <linux/getcpu.h>
 #include <linux/task_io_accounting_ops.h>
 #include <linux/seccomp.h>
+#include <linux/hardirq.h>
 #include <linux/cpu.h>
 #include <linux/ptrace.h>
 #include <linux/fs_struct.h>
@@ -283,6 +284,15 @@ out_unlock:
  */
 void emergency_restart(void)
 {
+        /*
+         * Call the notifier chain if we are not in an
+         * atomic context:
+         */
+#ifdef CONFIG_PREEMPT
+        if (!in_atomic() && !irqs_disabled())
+                blocking_notifier_call_chain(&reboot_notifier_list,
+                                             SYS_RESTART, NULL);
+#endif
         machine_emergency_restart();
 }
 EXPORT_SYMBOL_GPL(emergency_restart);