From f923e03565eda9ee2a454e9498de35d9f4d38ee5 Mon Sep 17 00:00:00 2001
From: YOSHIDA Masanori <masanori.yoshida.tv@hitachi.com>
Date: Wed, 25 Jun 2014 16:40:05 +0900
Subject: [PATCH] fix to make CPU idle when len(runq) != 0 but all queued are
 sleeping

---
 kernel/process.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/process.c b/kernel/process.c
index cd447d49..ae824878 100644
--- a/kernel/process.c
+++ b/kernel/process.c
@@ -1742,10 +1742,6 @@ void schedule(void)
 			list_add_tail(&prev->sched_list, &(v->runq));
 			++v->runq_len;
 		}
-
-		if (!v->runq_len) {
-			v->status = CPU_STATUS_IDLE;
-		}
 	}
 
 	/* Pick a new running process */
@@ -1759,6 +1755,7 @@ void schedule(void)
 	/* No process? Run idle.. */
 	if (!next) {
 		next = &cpu_local_var(idle);
+		v->status = CPU_STATUS_IDLE;
 	}
 
 	if (prev != next) {