[PATCH RT 08/25] sched: Remove dead __migrate_disabled() check

[zanussi]

From: Scott Wood <swood@xxxxxxxxxx>

v4.14.170-rt75-rc1 stable review patch.
If anyone has any objections, please let me know.

-----------


[ Upstream commit 14d9272d534ea91262e15db99443fc5995c7c016 ]

This code was unreachable given the __migrate_disabled() branch
to "out" immediately beforehand.

Signed-off-by: Scott Wood <swood@xxxxxxxxxx>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Signed-off-by: Tom Zanussi <zanussi@xxxxxxxxxx>

 Conflicts:
	kernel/sched/core.c
---
 kernel/sched/core.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 8d6badac9225..4708129e8df1 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1217,13 +1217,6 @@ static int __set_cpus_allowed_ptr(struct task_struct *p,
 	if (cpumask_test_cpu(task_cpu(p), new_mask) || __migrate_disabled(p))
 		goto out;
 
-#if defined(CONFIG_SMP) && defined(CONFIG_PREEMPT_RT_BASE)
-	if (__migrate_disabled(p)) {
-		p->migrate_disable_update = 1;
-		goto out;
-	}
-#endif
-
 	if (task_running(rq, p) || p->state == TASK_WAKING) {
 		struct migration_arg arg = { p, dest_cpu };
 		/* Need help from migration thread: drop lock and wait. */
-- 
2.14.1