linux-kernel - Re: [PATCH 3/3] blk-mq: Use llist_head for blk_cpu

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Message-ID: <20201029145623.3zry7o6nh6ks5tjj@linutronix.de>
Date:   Thu, 29 Oct 2020 15:56:23 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     linux-block@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        David Runge <dave@...epmap.de>, linux-rt-users@...r.kernel.org,
        Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Daniel Wagner <dwagner@...e.de>, Mike Galbraith <efault@....de>
Subject: Re: [PATCH 3/3] blk-mq: Use llist_head for blk_cpu_done

On 2020-10-29 14:05:36 [+0000], Christoph Hellwig wrote:
> Well, usb-storage obviously seems to do it, and the block layer
> does not prohibit it.

Also loop, nvme-tcp and then I stopped looking.
Any objections about adding local_bh_disable() around it?

Sebastian