workqueue: Warn attempt to flush system-wide workqueues.

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Based on commit c4f135d643 ("workqueue: Wrap flush_workqueue() using
a macro"), all in-tree users stopped flushing system-wide workqueues.
Therefore, start emitting runtime message so that all out-of-tree users
will understand that they need to update their code.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Tejun Heo <tj@kernel.org>

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Tetsuo Handa 2023-06-30 21:28:53 +09:00 • committed by Tejun Heo

parent 3f01e9fed8

commit 20bdedafd2

2 changed files with 8 additions and 47 deletions

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44

include/linux/workqueue.h

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11

kernel/workqueue.c

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