core.h (a976c2951d8f376112361830aa7762beff83a205) core.h (93862e385ded7c60351e09fcd2a541d273650905)
1#ifndef _LIVEPATCH_CORE_H
2#define _LIVEPATCH_CORE_H
3
1#ifndef _LIVEPATCH_CORE_H
2#define _LIVEPATCH_CORE_H
3
4#include <linux/livepatch.h>
5
4extern struct mutex klp_mutex;
5
6extern struct mutex klp_mutex;
7
8static inline bool klp_is_object_loaded(struct klp_object *obj)
9{
10 return !obj->name || obj->mod;
11}
12
13static inline int klp_pre_patch_callback(struct klp_object *obj)
14{
15 int ret;
16
17 ret = (obj->callbacks.pre_patch) ?
18 (*obj->callbacks.pre_patch)(obj) : 0;
19
20 obj->callbacks.post_unpatch_enabled = !ret;
21
22 return ret;
23}
24
25static inline void klp_post_patch_callback(struct klp_object *obj)
26{
27 if (obj->callbacks.post_patch)
28 (*obj->callbacks.post_patch)(obj);
29}
30
31static inline void klp_pre_unpatch_callback(struct klp_object *obj)
32{
33 if (obj->callbacks.pre_unpatch)
34 (*obj->callbacks.pre_unpatch)(obj);
35}
36
37static inline void klp_post_unpatch_callback(struct klp_object *obj)
38{
39 if (obj->callbacks.post_unpatch_enabled &&
40 obj->callbacks.post_unpatch)
41 (*obj->callbacks.post_unpatch)(obj);
42}
43
6#endif /* _LIVEPATCH_CORE_H */
44#endif /* _LIVEPATCH_CORE_H */