From: Daeyeong Lee <daeyeong.lee@samsung.com>
Date: Thu, 14 Jun 2018 06:56:50 +0000 (+0900)
Subject: sched: ems: Don't check lbt_bring_overutilize when wake balance
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=dbe2b1d2b46e7dd48dba2258afc24f775f4b2c46;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

sched: ems: Don't check lbt_bring_overutilize when wake balance

Change-Id: I2b3cd086d0a4329270c7b877967897ce4735e5a0
Signed-off-by: Daeyeong Lee <daeyeong.lee@samsung.com>
---

diff --git a/kernel/sched/ems/core.c b/kernel/sched/ems/core.c
index a293ffe8f212..b06f5d8f25fb 100644
--- a/kernel/sched/ems/core.c
+++ b/kernel/sched/ems/core.c
@@ -146,14 +146,6 @@ static int select_proper_cpu(struct task_struct *p, int prev_cpu)
 			if (new_util > capacity_orig)
 				continue;
 
-			/*
-			 * According to the criteria determined by the LBT(Load
-			 * Balance trigger), the cpu that becomes overutilized
-			 * when the task is assigned is skipped.
-			 */
-			if (lbt_bring_overutilize(i, p))
-				continue;
-
 			/*
 			 * Best target) lowest utilization among lowest-cap cpu
 			 *
diff --git a/kernel/sched/ems/ems.h b/kernel/sched/ems/ems.h
index 7f2742d72ad5..1e9599094645 100644
--- a/kernel/sched/ems/ems.h
+++ b/kernel/sched/ems/ems.h
@@ -21,7 +21,6 @@ extern int ontime_task_wakeup(struct task_struct *p);
 extern int select_perf_cpu(struct task_struct *p);
 extern int global_boosting(struct task_struct *p);
 extern int global_boosted(void);
-extern bool lbt_bring_overutilize(int cpu, struct task_struct *p);
 extern int select_energy_cpu(struct task_struct *p, int prev_cpu, int sd_flag, int sync);
 extern int band_play_cpu(struct task_struct *p);
 
diff --git a/kernel/sched/ems/energy.c b/kernel/sched/ems/energy.c
index ee6a74dfa18e..b3490474d167 100644
--- a/kernel/sched/ems/energy.c
+++ b/kernel/sched/ems/energy.c
@@ -89,14 +89,6 @@ static void find_eco_target(struct eco_env *eenv)
 		if (new_util > capacity_orig)
 			continue;
 
-		/*
-		 * According to the criteria determined by the LBT(Load
-		 * Balance trigger), the cpu that becomes overutilized when
-		 * the task is assigned is skipped.
-		 */
-		if (lbt_bring_overutilize(cpu, p))
-			continue;
-
 		/*
 		 * Backup target) shallowest idle cpu among min-cap cpu
 		 *
diff --git a/kernel/sched/ems/lbt.c b/kernel/sched/ems/lbt.c
index 5104b4f74790..74587979cb8b 100644
--- a/kernel/sched/ems/lbt.c
+++ b/kernel/sched/ems/lbt.c
@@ -87,23 +87,6 @@ bool lbt_overutilized(int cpu, int level)
 	return overutilized;
 }
 
-bool lbt_bring_overutilize(int cpu, struct task_struct *p)
-{
-	struct sched_domain *sd;
-	struct lbt_overutil *ou = per_cpu(lbt_overutil, cpu);
-	unsigned long util_sum = cpu_util_wake(cpu, p) + task_util(p);
-
-	if (!ou)
-		return false;
-
-	for_each_domain(cpu, sd) {
-		if (util_sum > ou[sd->level].capacity)
-			return true;
-	}
-
-	return false;
-}
-
 void update_lbt_overutil(int cpu, unsigned long capacity)
 {
 	struct lbt_overutil *ou = per_cpu(lbt_overutil, cpu);