---

yaml
---
r: 277381
b: refs/heads/master
c: 77e8136
h: refs/heads/master
i:
  277379: 840f86e
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b781a602ac745ee3d5d745276f1e1905a2c101f9
+refs/heads/master: 77e81365e0b7d7479fc444a21cea0cd4def70b45

trunk/kernel/sched/fair.c

@@ -2644,6 +2644,28 @@ find_idlest_cpu(struct sched_group *group, struct task_struct *p, int this_cpu)
 	return idlest;
 }
 
+/**
+ * highest_flag_domain - Return highest sched_domain containing flag.
+ * @cpu:	The cpu whose highest level of sched domain is to
+ *		be returned.
+ * @flag:	The flag to check for the highest sched_domain
+ *		for the given cpu.
+ *
+ * Returns the highest sched_domain of a cpu which contains the given flag.
+ */
+static inline struct sched_domain *highest_flag_domain(int cpu, int flag)
+{
+	struct sched_domain *sd, *hsd = NULL;
+
+	for_each_domain(cpu, sd) {
+		if (!(sd->flags & flag))
+			break;
+		hsd = sd;
+	}
+
+	return hsd;
+}
+
 /*
  * Try and locate an idle CPU in the sched_domain.
  */
@@ -2653,7 +2675,7 @@ static int select_idle_sibling(struct task_struct *p, int target)
 	int prev_cpu = task_cpu(p);
 	struct sched_domain *sd;
 	struct sched_group *sg;
-	int i, smt = 0;
+	int i;
 
 	/*
 	 * If the task is going to be woken-up on this cpu and if it is
@@ -2673,19 +2695,9 @@ static int select_idle_sibling(struct task_struct *p, int target)
 	 * Otherwise, iterate the domains and find an elegible idle cpu.
 	 */
 	rcu_read_lock();
-again:
-	for_each_domain(target, sd) {
-		if (!smt && (sd->flags & SD_SHARE_CPUPOWER))
-			continue;
-
-		if (!(sd->flags & SD_SHARE_PKG_RESOURCES)) {
-			if (!smt) {
-				smt = 1;
-				goto again;
-			}
-			break;
-		}
 
+	sd = highest_flag_domain(target, SD_SHARE_PKG_RESOURCES);
+	for_each_lower_domain(sd) {
 		sg = sd->groups;
 		do {
 			if (!cpumask_intersects(sched_group_cpus(sg),

trunk/kernel/sched/sched.h

@@ -501,6 +501,8 @@ DECLARE_PER_CPU(struct rq, runqueues);
 #define for_each_domain(cpu, __sd) \
 	for (__sd = rcu_dereference_check_sched_domain(cpu_rq(cpu)->sd); __sd; __sd = __sd->parent)
 
+#define for_each_lower_domain(sd) for (; sd; sd = sd->child)
+
 #define cpu_rq(cpu)		(&per_cpu(runqueues, (cpu)))
 #define this_rq()		(&__get_cpu_var(runqueues))
 #define task_rq(p)		cpu_rq(task_cpu(p))