commit f7d6cd4596ba023b681fbf6a185768bfb968260f
author Joonwoo Park <joonwoop@codeaurora.org> Tue Jan 17 15:19:43 2017 -0800
committer Joonwoo Park <joonwoop@codeaurora.org> Tue May 09 11:22:25 2017 -0700
tree 46553d32c8f35249b43d6e22e0f2f120af4c06d2
parent 82553e7ac0c8a6f9d942250208226c68a4b212e1

sched/walt: factor out WALT from HMP scheduler

At present, hmp.c contains HMP task placement logic as well as WALT.
Factor out WALT logic into a separate file walt.c so EAS can use WALT as
CPU load tracking and frequency guidance algorithm.

Also set sched_io_is_busy = 1 by default.

Change-Id: I96c3fd7d637b9bfa283083a1a6ff6d5dd261e0fb
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>

kernel/sched/stop_task.c

diff --git a/kernel/sched/stop_task.c b/kernel/sched/stop_task.c
index a440769..dcc4a36 100644
--- a/kernel/sched/stop_task.c
+++ b/kernel/sched/stop_task.c
@@ -18,7 +18,7 @@
 }
 #endif /* CONFIG_SMP */
 
-#ifdef CONFIG_SCHED_HMP
+#ifdef CONFIG_SCHED_WALT
 
 static void
 inc_hmp_sched_stats_stop(struct rq *rq, struct task_struct *p)
@@ -43,7 +43,7 @@
 				      pred_demand_delta);
 }
 
-#else	/* CONFIG_SCHED_HMP */
+#else	/* CONFIG_SCHED_WALT */
 
 static inline void
 inc_hmp_sched_stats_stop(struct rq *rq, struct task_struct *p) { }
@@ -51,7 +51,7 @@
 static inline void
 dec_hmp_sched_stats_stop(struct rq *rq, struct task_struct *p) { }
 
-#endif	/* CONFIG_SCHED_HMP */
+#endif	/* CONFIG_SCHED_WALT */
 
 static void
 check_preempt_curr_stop(struct rq *rq, struct task_struct *p, int flags)
@@ -172,7 +172,7 @@
 	.prio_changed		= prio_changed_stop,
 	.switched_to		= switched_to_stop,
 	.update_curr		= update_curr_stop,
-#ifdef CONFIG_SCHED_HMP
+#ifdef CONFIG_SCHED_WALT
 	.fixup_hmp_sched_stats	= fixup_hmp_sched_stats_stop,
 #endif
 };