[PATCH RT 15/32] sched: Remove dead __migrate_disabled() check

Steven Rostedt
2020-01-17T17:42:51Z

From: Scott Wood <swood@redhat.com>

[ Upstream commit 14d9272d534ea91262e15db99443fc5995c7c016 ]

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

Signed-off-by: Scott Wood <swood@redhat.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
kernel/sched/core.c | 7 -------
1 file changed, 7 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index d6bd8129a390..a29f33e776d0 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1182,13 +1182,6 @@ 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. */
--
2.24.1