linux-kernel - [patch-rt] sched: fix ->nr_cpus_allowed = 1 transcription error during migrate

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Message-ID: <1453533113.3798.3.camel@gmail.com>
Date:	Sat, 23 Jan 2016 08:11:53 +0100
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	linux-rt-users <linux-rt-users@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [patch-rt] sched: fix ->nr_cpus_allowed = 1 transcription error
 during migrate_disable() cleanup


Setting p->nr_cpus_allowed accidentally wandered into migrate_disable()
during the cleanup - kill it. 

Signed-off-by: Mike Galbraith <umgwanakikbuti@...il.com>
---
 kernel/sched/core.c |    1 -
 1 file changed, 1 deletion(-)

--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3180,7 +3180,6 @@ void migrate_disable(void)
 	preempt_lazy_disable();
 	pin_current_cpu();
 	p->migrate_disable = 1;
-	p->nr_cpus_allowed = 1;
 	preempt_enable();
 }
 EXPORT_SYMBOL(migrate_disable);