diff --git a/drivers/firmware/efi/unaccepted_memory.c b/drivers/firmware/efi/unaccepted_memory.c
index 79fb687bb90f..6c3d84d9bcc1 100644
--- a/drivers/firmware/efi/unaccepted_memory.c
+++ b/drivers/firmware/efi/unaccepted_memory.c
@@ -3,6 +3,7 @@
 #include <linux/efi.h>
 #include <linux/memblock.h>
 #include <linux/spinlock.h>
+#include <linux/nmi.h>
 #include <asm/unaccepted_memory.h>
 
 /* Protects unaccepted memory bitmap and accepting_list */
@@ -148,6 +149,9 @@ retry:
 	}
 
 	list_del(&range.list);
+
+	touch_softlockup_watchdog();
+
 	spin_unlock_irqrestore(&unaccepted_memory_lock, flags);
 }