Commit 025f50f3 authored Oct 15, 2019 by Sebastian Andrzej Siewior Committed by Ingo Molnar Dec 08, 2019

sched/rt, workqueue: Use PREEMPTION



CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by CONFIG_PREEMPT_RT.
Both PREEMPT and PREEMPT_RT require the same functionality which today
depends on CONFIG_PREEMPT.

Update the comment to use PREEMPTION because it is true for both
preemption models.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20191015191821.11479-35-bigeasy@linutronix.de


Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent 9f472869

kernel/workqueue.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2280,7 +2280,7 @@ __acquires(&pool->lock)
		}

		/*
		* The following prevents a kworker from hogging CPU on !PREEMPT
		* The following prevents a kworker from hogging CPU on !PREEMPTION
		* kernels, where a requeueing work item waiting for something to
		* happen could deadlock with stop_machine as such work item could
		* indefinitely requeue itself while all other CPUs are trapped in

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