linux-kernel - Re: [PATCH] blk-mq: make synchronous hw

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Message-ID: <YbdQA0WDooPXGzQb@linutronix.de>
Date:   Mon, 13 Dec 2021 14:52:03 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Davidlohr Bueso <dave@...olabs.net>, axboe@...nel.dk,
        tglx@...utronix.de, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH] blk-mq: make synchronous hw_queue runs RT friendly

On 2021-12-13 05:07:04 [-0800], Christoph Hellwig wrote:
> But more importantly:  why isn't migrate_disable/enable doing the right
> thing for !PREEMPT_RT to avoid this mess?

Thank you for asking the question.

Sebastian