This reverts commit cfe43f478b79ba45573ca22d52d0d8823be068fa.
Signed-off-by: Ankur Arora <ankur.a.arora@xxxxxxxxxx>
---
include/linux/sched.h | 41 -----------------------------------------
kernel/sched/core.c | 12 ------------
2 files changed, 53 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 77f01ac385f7..5bdf80136e42 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2178,47 +2178,6 @@ static inline void cond_resched_rcu(void)
#endif
}
-#ifdef CONFIG_PREEMPT_DYNAMIC
-
-extern bool preempt_model_none(void);
-extern bool preempt_model_voluntary(void);
-extern bool preempt_model_full(void);
-
-#else
-
-static inline bool preempt_model_none(void)
-{
- return IS_ENABLED(CONFIG_PREEMPT_NONE);
-}
-static inline bool preempt_model_voluntary(void)
-{
- return IS_ENABLED(CONFIG_PREEMPT_VOLUNTARY);
-}
-static inline bool preempt_model_full(void)
-{
- return IS_ENABLED(CONFIG_PREEMPT);
-}
-
-#endif
-
-static inline bool preempt_model_rt(void)
-{
- return IS_ENABLED(CONFIG_PREEMPT_RT);
-}
-
-/*
- * Does the preemption model allow non-cooperative preemption?
- *
- * For !CONFIG_PREEMPT_DYNAMIC kernels this is an exact match with
- * CONFIG_PREEMPTION; for CONFIG_PREEMPT_DYNAMIC this doesn't work as the
- * kernel is *built* with CONFIG_PREEMPTION=y but may run with e.g. the
- * PREEMPT_NONE model.
- */
-static inline bool preempt_model_preemptible(void)
-{
- return preempt_model_full() || preempt_model_rt();
-}
-
/*
* Does a critical section need to be broken due to another
* task waiting?: (technically does not depend on CONFIG_PREEMPTION,
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index ab773ea2cb34..0e8764d63041 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -8866,18 +8866,6 @@ static void __init preempt_dynamic_init(void)
}
}
-#define PREEMPT_MODEL_ACCESSOR(mode) \
- bool preempt_model_##mode(void) \
- { \
- WARN_ON_ONCE(preempt_dynamic_mode == preempt_dynamic_undefined); \
- return preempt_dynamic_mode == preempt_dynamic_##mode; \
- } \
- EXPORT_SYMBOL_GPL(preempt_model_##mode)
-
-PREEMPT_MODEL_ACCESSOR(none);
-PREEMPT_MODEL_ACCESSOR(voluntary);
-PREEMPT_MODEL_ACCESSOR(full);
-
#else /* !CONFIG_PREEMPT_DYNAMIC */
static inline void preempt_dynamic_init(void) { }
--
2.31.1
