[9820] sched: core: fix bug that rt could not be binded to little

Current rt little binding code is working
when target task is on runqueue. Remove this condition
to all rt tasks bind to little.

Change-Id: I2f1883e2e8dffef25920848f6ef87b38a231ff0c
Signed-off-by: Youngtae Lee <yt0729.lee@samsung.com>

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 625be667604728ecffdeb00461a73360e39e149d..d26941aa5af91c83eaf9a9cc7f394368c5f672ba 100644 (file)
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4307,6 +4307,15 @@ change:
        if (running)
                set_curr_task(rq, p);
 
+       if (p->sched_class == &rt_sched_class) {
+               struct cpumask mask;
+
+               cpumask_andnot(&mask, &p->cpus_allowed, cpu_coregroup_mask(4));
+               cpumask_andnot(&mask, &p->cpus_allowed, cpu_coregroup_mask(6));
+               if (!cpumask_empty(&mask))
+                       do_set_cpus_allowed(p, &mask);
+       }
+
        check_class_changed(rq, p, prev_class, oldprio);
 
        /* Avoid rq from going away on us: */