From: Scott Wood <swood@xxxxxxxxxx> v4.14.172-rt78-rc1 stable review patch. If anyone has any objections, please let me know. ----------- [ Upstream commit b8162e61e9a33bd1de6452eb838fbf50a93ddd9a ] We can rely on preempt_enable() to schedule. Besides simplifying the code, this potentially allows sequences such as the following to be permitted: migrate_disable(); preempt_disable(); migrate_enable(); preempt_enable(); Suggested-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Scott Wood <swood@xxxxxxxxxx> Reviewed-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Tom Zanussi <zanussi@xxxxxxxxxx> Conflicts: kernel/sched/core.c --- kernel/sched/core.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 960daa6bc7f04..3ff48df25cff8 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -7024,7 +7024,6 @@ void migrate_enable(void) stop_one_cpu_nowait(task_cpu(p), migration_cpu_stop, arg, work); tlb_migrate_finish(p->mm); - __schedule(true); } out: -- 2.14.1