From: Scott Wood Date: Sat, 27 Jul 2019 00:56:33 -0500 Subject: [PATCH 299/342] sched: Remove dead __migrate_disabled() check Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=4abc9fbc0662890ad6eecb6b9daaf7d0544c7d22 [ Upstream commit 14d9272d534ea91262e15db99443fc5995c7c016 ] This code was unreachable given the __migrate_disabled() branch to "out" immediately beforehand. Signed-off-by: Scott Wood Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Steven Rostedt (VMware) --- kernel/sched/core.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 4f5242c9ca78..e64d2b2b3a69 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. */