reboot: move reboot_notifier_list to kernel/reboot.c

All the functions related to the reboot notifier list are in
kernel/reboot.c.  Move the list itself, too.  As there are no direct users
anymore, make the declaration static.

Link: https://lkml.kernel.org/r/20241012-reboot_notifier_list-v1-1-6093bb9455ce@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 45702bdcbceb4aa5e42ad7e0fafd71eaf74be9a5..b42e647349688248d8e45e90f997eaca9954c009 100644 (file)
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -237,7 +237,5 @@ static inline int notifier_to_errno(int ret)
 #define KBD_KEYSYM             0x0004 /* Keyboard keysym */
 #define KBD_POST_KEYSYM                0x0005 /* Called after keyboard keysym interpretation */
 
-extern struct blocking_notifier_head reboot_notifier_list;
-
 #endif /* __KERNEL__ */
 #endif /* _LINUX_NOTIFIER_H */

diff --git a/kernel/notifier.c b/kernel/notifier.c
index b3ce28f39eb654663eb934cb2d288632c5a56022..2f9fe7c30287f428654112a4956b44129c3ddb16 100644 (file)
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -5,18 +5,10 @@
 #include <linux/notifier.h>
 #include <linux/rcupdate.h>
 #include <linux/vmalloc.h>
-#include <linux/reboot.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/notifier.h>
 
-/*
- *     Notifier list for kernel code which wants to be called
- *     at shutdown. This is used to stop any idling DMA operations
- *     and the like.
- */
-BLOCKING_NOTIFIER_HEAD(reboot_notifier_list);
-
 /*
  *     Notifier chain core routines.  The exported routines below
  *     are layered on top of these, with appropriate locking added.

diff --git a/kernel/reboot.c b/kernel/reboot.c
index f05dbde2c93fe709ff01491e8a31e0b3c7b66744..ffdf86b717abc0d869a81e1109eaef1e53a5937c 100644 (file)
--- 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
  *