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-rw-r--r--kernel/reboot.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/reboot.c b/kernel/reboot.c
index f05dbde2c93f..ffdf86b717ab 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -72,6 +72,13 @@ static bool poweroff_fallback_to_halt;
*/
void __weak (*pm_power_off)(void);
+/*
+ * Notifier list for kernel code which wants to be called
+ * at shutdown. This is used to stop any idling DMA operations
+ * and the like.
+ */
+static BLOCKING_NOTIFIER_HEAD(reboot_notifier_list);
+
/**
* emergency_restart - reboot the system
*