Orange Pi5 kernel

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LIVEPATCH_CORE_H
#define _LIVEPATCH_CORE_H
 
#include <linux/livepatch.h>
 
extern struct mutex klp_mutex;
extern struct list_head klp_patches;
 
#define klp_for_each_patch_safe(patch, tmp_patch)		\
<------>list_for_each_entry_safe(patch, tmp_patch, &klp_patches, list)
 
#define klp_for_each_patch(patch)	\
<------>list_for_each_entry(patch, &klp_patches, list)
 
void klp_free_patch_async(struct klp_patch *patch);
void klp_free_replaced_patches_async(struct klp_patch *new_patch);
void klp_unpatch_replaced_patches(struct klp_patch *new_patch);
void klp_discard_nops(struct klp_patch *new_patch);
 
static inline bool klp_is_object_loaded(struct klp_object *obj)
{
<------>return !obj->name || obj->mod;
}
 
static inline int klp_pre_patch_callback(struct klp_object *obj)
{
<------>int ret = 0;
 
<------>if (obj->callbacks.pre_patch)
<------><------>ret = (*obj->callbacks.pre_patch)(obj);
 
<------>obj->callbacks.post_unpatch_enabled = !ret;
 
<------>return ret;
}
 
static inline void klp_post_patch_callback(struct klp_object *obj)
{
<------>if (obj->callbacks.post_patch)
<------><------>(*obj->callbacks.post_patch)(obj);
}
 
static inline void klp_pre_unpatch_callback(struct klp_object *obj)
{
<------>if (obj->callbacks.pre_unpatch)
<------><------>(*obj->callbacks.pre_unpatch)(obj);
}
 
static inline void klp_post_unpatch_callback(struct klp_object *obj)
{
<------>if (obj->callbacks.post_unpatch_enabled &&
<------>    obj->callbacks.post_unpatch)
<------><------>(*obj->callbacks.post_unpatch)(obj);
 
<------>obj->callbacks.post_unpatch_enabled = false;
}
 
#endif /* _LIVEPATCH_CORE_H */