idle: Implement set/clr functions for need_resched poll

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6709a58..21fe9a1 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2632,13 +2632,34 @@ static inline int tsk_is_polling(struct task_struct *p)
 {
        return task_thread_info(p)->status & TS_POLLING;
 }
+static inline void current_set_polling(void)
+{
+       current_thread_info()->status |= TS_POLLING;
+}
+
+static inline void current_clr_polling(void)
+{
+       current_thread_info()->status &= ~TS_POLLING;
+       smp_mb__after_clear_bit();
+}
 #elif defined(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 void current_clr_polling(void)
+{
+       clear_thread_flag(TIF_POLLING_NRFLAG);
+}
 #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) { }
 #endif
 
 /*