1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef _LIVEPATCH_PATCH_H
3 #define _LIVEPATCH_PATCH_H
4
5 #include <linux/livepatch.h>
6 #include <linux/list.h>
7 #include <linux/ftrace.h>
8
9 /**
10 * struct klp_ops - structure for tracking reg
11 *
12 * A single ftrace_ops is shared between all e
13 * (klp_func structs) which have the same old_
14 * between function versions to happen instant
15 * struct's func_stack list. The winner is th
16 * func_stack (front of the list).
17 *
18 * @node: node for the global klp_ops li
19 * @func_stack: list head for the stack of klp
20 * @fops: registered ftrace ops struct
21 */
22 struct klp_ops {
23 struct list_head node;
24 struct list_head func_stack;
25 struct ftrace_ops fops;
26 };
27
28 struct klp_ops *klp_find_ops(void *old_func);
29
30 int klp_patch_object(struct klp_object *obj);
31 void klp_unpatch_object(struct klp_object *obj
32 void klp_unpatch_objects(struct klp_patch *pat
33 void klp_unpatch_objects_dynamic(struct klp_pa
34
35 #endif /* _LIVEPATCH_PATCH_H */
36
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