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-rw-r--r--kernel/notifier.c31
-rw-r--r--kernel/sys.c32
2 files changed, 31 insertions, 32 deletions
diff --git a/kernel/notifier.c b/kernel/notifier.c
index 2488ba7eb568..8d7b435806c9 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -525,37 +525,6 @@ void srcu_init_notifier_head(struct srcu_notifier_head *nh)
525} 525}
526EXPORT_SYMBOL_GPL(srcu_init_notifier_head); 526EXPORT_SYMBOL_GPL(srcu_init_notifier_head);
527 527
528/**
529 * register_reboot_notifier - Register function to be called at reboot time
530 * @nb: Info about notifier function to be called
531 *
532 * Registers a function with the list of functions
533 * to be called at reboot time.
534 *
535 * Currently always returns zero, as blocking_notifier_chain_register()
536 * always returns zero.
537 */
538int register_reboot_notifier(struct notifier_block *nb)
539{
540 return blocking_notifier_chain_register(&reboot_notifier_list, nb);
541}
542EXPORT_SYMBOL(register_reboot_notifier);
543
544/**
545 * unregister_reboot_notifier - Unregister previously registered reboot notifier
546 * @nb: Hook to be unregistered
547 *
548 * Unregisters a previously registered reboot
549 * notifier function.
550 *
551 * Returns zero on success, or %-ENOENT on failure.
552 */
553int unregister_reboot_notifier(struct notifier_block *nb)
554{
555 return blocking_notifier_chain_unregister(&reboot_notifier_list, nb);
556}
557EXPORT_SYMBOL(unregister_reboot_notifier);
558
559static ATOMIC_NOTIFIER_HEAD(die_chain); 528static ATOMIC_NOTIFIER_HEAD(die_chain);
560 529
561int notrace __kprobes notify_die(enum die_val val, const char *str, 530int notrace __kprobes notify_die(enum die_val val, const char *str,
diff --git a/kernel/sys.c b/kernel/sys.c
index e4128b278f23..a101ba36c444 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -8,7 +8,6 @@
8#include <linux/mm.h> 8#include <linux/mm.h>
9#include <linux/utsname.h> 9#include <linux/utsname.h>
10#include <linux/mman.h> 10#include <linux/mman.h>
11#include <linux/notifier.h>
12#include <linux/reboot.h> 11#include <linux/reboot.h>
13#include <linux/prctl.h> 12#include <linux/prctl.h>
14#include <linux/highuid.h> 13#include <linux/highuid.h>
@@ -320,6 +319,37 @@ void kernel_restart_prepare(char *cmd)
320} 319}
321 320
322/** 321/**
322 * register_reboot_notifier - Register function to be called at reboot time
323 * @nb: Info about notifier function to be called
324 *
325 * Registers a function with the list of functions
326 * to be called at reboot time.
327 *
328 * Currently always returns zero, as blocking_notifier_chain_register()
329 * always returns zero.
330 */
331int register_reboot_notifier(struct notifier_block *nb)
332{
333 return blocking_notifier_chain_register(&reboot_notifier_list, nb);
334}
335EXPORT_SYMBOL(register_reboot_notifier);
336
337/**
338 * unregister_reboot_notifier - Unregister previously registered reboot notifier
339 * @nb: Hook to be unregistered
340 *
341 * Unregisters a previously registered reboot
342 * notifier function.
343 *
344 * Returns zero on success, or %-ENOENT on failure.
345 */
346int unregister_reboot_notifier(struct notifier_block *nb)
347{
348 return blocking_notifier_chain_unregister(&reboot_notifier_list, nb);
349}
350EXPORT_SYMBOL(unregister_reboot_notifier);
351
352/**
323 * kernel_restart - reboot the system 353 * kernel_restart - reboot the system
324 * @cmd: pointer to buffer containing command to execute for restart 354 * @cmd: pointer to buffer containing command to execute for restart
325 * or %NULL 355 * or %NULL