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author | 2017-11-28 16:19:52 +0000 | |
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committer | 2017-11-28 16:19:52 +0000 | |
commit | 69830d3909849dee33b9a2de88ece3d59c75a1b8 (patch) | |
tree | 67e22ac989e782ddc104f186dee54d1675e76923 /kernel/livepatch/core.h | |
parent | ASoC: rk3399_gru_sound: Map BTN_0 to KEY_PLAYPAUSE (diff) | |
parent | ASoC: add snd_soc_disconnect_sync() (diff) | |
download | linux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.tar.xz linux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.zip |
Merge branch 'topic/disconnect' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-rcar
Diffstat (limited to 'kernel/livepatch/core.h')
-rw-r--r-- | kernel/livepatch/core.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/livepatch/core.h b/kernel/livepatch/core.h index a351601d7f76..48a83d4364cf 100644 --- a/kernel/livepatch/core.h +++ b/kernel/livepatch/core.h @@ -2,6 +2,46 @@ #ifndef _LIVEPATCH_CORE_H #define _LIVEPATCH_CORE_H +#include <linux/livepatch.h> + extern struct mutex klp_mutex; +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 */ |