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Subject[PATCH RT 3/8] sched: migrate_enable: Remove __schedule() call
4.19.106-rt45-rc1 stable review patch.
If anyone has any objections, please let me know.

------------------

From: Scott Wood <swood@redhat.com>

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

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c4290fa5c0b6..02e51c74e0bf 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7351,7 +7351,6 @@ void migrate_enable(void)
stop_one_cpu_nowait(task_cpu(p), migration_cpu_stop,
arg, work);
tlb_migrate_finish(p->mm);
- __schedule(true);
}

out:
--
2.25.0

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