linux/debian/patches-rt/0300-sched-Remove-dead-__mi...

43 lines
1.6 KiB
Diff

From 21e0b28571016d773437dd56a61ed62bc81eb4c6 Mon Sep 17 00:00:00 2001
Message-Id: <21e0b28571016d773437dd56a61ed62bc81eb4c6.1601675153.git.zanussi@kernel.org>
In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
From: Scott Wood <swood@redhat.com>
Date: Sat, 27 Jul 2019 00:56:33 -0500
Subject: [PATCH 300/333] sched: Remove dead __migrate_disabled() check
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
[ 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 357bf627799f..7109b23c7a60 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. */
--
2.17.1