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-rw-r--r--include/linux/sched.h76
-rw-r--r--include/linux/sched/idle.h76
2 files changed, 76 insertions, 76 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index c30705c3e553..4f512e337584 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -3176,82 +3176,6 @@ static inline int spin_needbreak(spinlock_t *lock)
#endif
}
-/*
- * Idle thread specific functions to determine the need_resched
- * polling state.
- */
-#ifdef TIF_POLLING_NRFLAG
-static inline int tsk_is_polling(struct task_struct *p)
-{
- return test_tsk_thread_flag(p, TIF_POLLING_NRFLAG);
-}
-
-static inline void __current_set_polling(void)
-{
- set_thread_flag(TIF_POLLING_NRFLAG);
-}
-
-static inline bool __must_check current_set_polling_and_test(void)
-{
- __current_set_polling();
-
- /*
- * Polling state must be visible before we test NEED_RESCHED,
- * paired by resched_curr()
- */
- smp_mb__after_atomic();
-
- return unlikely(tif_need_resched());
-}
-
-static inline void __current_clr_polling(void)
-{
- clear_thread_flag(TIF_POLLING_NRFLAG);
-}
-
-static inline bool __must_check current_clr_polling_and_test(void)
-{
- __current_clr_polling();
-
- /*
- * Polling state must be visible before we test NEED_RESCHED,
- * paired by resched_curr()
- */
- smp_mb__after_atomic();
-
- return unlikely(tif_need_resched());
-}
-
-#else
-static inline int tsk_is_polling(struct task_struct *p) { return 0; }
-static inline void __current_set_polling(void) { }
-static inline void __current_clr_polling(void) { }
-
-static inline bool __must_check current_set_polling_and_test(void)
-{
- return unlikely(tif_need_resched());
-}
-static inline bool __must_check current_clr_polling_and_test(void)
-{
- return unlikely(tif_need_resched());
-}
-#endif
-
-static inline void current_clr_polling(void)
-{
- __current_clr_polling();
-
- /*
- * Ensure we check TIF_NEED_RESCHED after we clear the polling bit.
- * Once the bit is cleared, we'll get IPIs with every new
- * TIF_NEED_RESCHED and the IPI handler, scheduler_ipi(), will also
- * fold.
- */
- smp_mb(); /* paired with resched_curr() */
-
- preempt_fold_need_resched();
-}
-
static __always_inline bool need_resched(void)
{
return unlikely(tif_need_resched());
diff --git a/include/linux/sched/idle.h b/include/linux/sched/idle.h
index 72b6b6ab6354..66ee32f87f0b 100644
--- a/include/linux/sched/idle.h
+++ b/include/linux/sched/idle.h
@@ -12,4 +12,80 @@ enum cpu_idle_type {
extern void wake_up_if_idle(int cpu);
+/*
+ * Idle thread specific functions to determine the need_resched
+ * polling state.
+ */
+#ifdef TIF_POLLING_NRFLAG
+static inline int tsk_is_polling(struct task_struct *p)
+{
+ return test_tsk_thread_flag(p, TIF_POLLING_NRFLAG);
+}
+
+static inline void __current_set_polling(void)
+{
+ set_thread_flag(TIF_POLLING_NRFLAG);
+}
+
+static inline bool __must_check current_set_polling_and_test(void)
+{
+ __current_set_polling();
+
+ /*
+ * Polling state must be visible before we test NEED_RESCHED,
+ * paired by resched_curr()
+ */
+ smp_mb__after_atomic();
+
+ return unlikely(tif_need_resched());
+}
+
+static inline void __current_clr_polling(void)
+{
+ clear_thread_flag(TIF_POLLING_NRFLAG);
+}
+
+static inline bool __must_check current_clr_polling_and_test(void)
+{
+ __current_clr_polling();
+
+ /*
+ * Polling state must be visible before we test NEED_RESCHED,
+ * paired by resched_curr()
+ */
+ smp_mb__after_atomic();
+
+ return unlikely(tif_need_resched());
+}
+
+#else
+static inline int tsk_is_polling(struct task_struct *p) { return 0; }
+static inline void __current_set_polling(void) { }
+static inline void __current_clr_polling(void) { }
+
+static inline bool __must_check current_set_polling_and_test(void)
+{
+ return unlikely(tif_need_resched());
+}
+static inline bool __must_check current_clr_polling_and_test(void)
+{
+ return unlikely(tif_need_resched());
+}
+#endif
+
+static inline void current_clr_polling(void)
+{
+ __current_clr_polling();
+
+ /*
+ * Ensure we check TIF_NEED_RESCHED after we clear the polling bit.
+ * Once the bit is cleared, we'll get IPIs with every new
+ * TIF_NEED_RESCHED and the IPI handler, scheduler_ipi(), will also
+ * fold.
+ */
+ smp_mb(); /* paired with resched_curr() */
+
+ preempt_fold_need_resched();
+}
+
#endif /* _LINUX_SCHED_IDLE_H */