8  * a specified wrapper. See Documentation/admin-guide/binfmt-misc.rst for more details.
82  * @misc: handle to binfmt_misc instance
90 static Node *search_binfmt_handler(struct binfmt_misc *misc,  in search_binfmt_handler()  argument
97 	list_for_each_entry(e, &misc->entries, list) {  in search_binfmt_handler()
132  * @misc: handle to binfmt_misc instance
140 static Node *get_binfmt_handler(struct binfmt_misc *misc,  in get_binfmt_handler()  argument
145 	read_lock(&misc->entries_lock);  in get_binfmt_handler()
146 	e = search_binfmt_handler(misc, bprm);  in get_binfmt_handler()
149 	read_unlock(&misc->entries_lock);  in get_binfmt_handler()
184 	struct binfmt_misc *misc;  in load_binfmt_misc()  local
189 		misc = smp_load_acquire(&user_ns->binfmt_misc);  in load_binfmt_misc()
190 		if (misc)  in load_binfmt_misc()
191 			return misc;  in load_binfmt_misc()
207 	struct binfmt_misc *misc;  in load_misc_binary()  local
209 	misc = load_binfmt_misc();  in load_misc_binary()
210 	if (!misc->enabled)  in load_misc_binary()
213 	fmt = get_binfmt_handler(misc, bprm);  in load_misc_binary()
663 		struct binfmt_misc *misc;  in bm_evict_inode()  local
665 		misc = i_binfmt_misc(inode);  in bm_evict_inode()
666 		write_lock(&misc->entries_lock);  in bm_evict_inode()
669 		write_unlock(&misc->entries_lock);  in bm_evict_inode()
714  * @misc: handle to binfmt_misc instance
724 static void remove_binfmt_handler(struct binfmt_misc *misc, Node *e)  in remove_binfmt_handler()  argument
726 	write_lock(&misc->entries_lock);  in remove_binfmt_handler()
728 	write_unlock(&misc->entries_lock);  in remove_binfmt_handler()
810 	struct binfmt_misc *misc;  in bm_register_write()  local
863 	misc = i_binfmt_misc(inode);  in bm_register_write()
864 	write_lock(&misc->entries_lock);  in bm_register_write()
865 	list_add(&e->list, &misc->entries);  in bm_register_write()
866 	write_unlock(&misc->entries_lock);  in bm_register_write()
893 	struct binfmt_misc *misc;  in bm_status_read()  local
896 	misc = i_binfmt_misc(file_inode(file));  in bm_status_read()
897 	s = misc->enabled ? "enabled\n" : "disabled\n";  in bm_status_read()
904 	struct binfmt_misc *misc;  in bm_status_write()  local
909 	misc = i_binfmt_misc(file_inode(file));  in bm_status_write()
913 		misc->enabled = false;  in bm_status_write()
917 		misc->enabled = true;  in bm_status_write()
933 		list_for_each_entry_safe(e, next, &misc->entries, list)  in bm_status_write()
934 			remove_binfmt_handler(misc, e);  in bm_status_write()
971 	struct binfmt_misc *misc;  in bm_fill_super()  local
996 	misc = user_ns->binfmt_misc;  in bm_fill_super()
997 	if (!misc) {  in bm_fill_super()
1004 		misc = kzalloc(sizeof(struct binfmt_misc), GFP_KERNEL);  in bm_fill_super()
1005 		if (!misc)  in bm_fill_super()
1008 		INIT_LIST_HEAD(&misc->entries);  in bm_fill_super()
1009 		rwlock_init(&misc->entries_lock);  in bm_fill_super()
1012 		smp_store_release(&user_ns->binfmt_misc, misc);  in bm_fill_super()
1026 	misc->enabled = true;  in bm_fill_super()