linux-kernel - Re: [PATCH] kernel: export task_work

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Message-ID: <20220907140550.GA21414@lst.de>
Date:   Wed, 7 Sep 2022 16:05:50 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Bart Van Assche <bvanassche@....org>,
        Ming Lei <ming.lei@...hat.com>, linux-kernel@...r.kernel.org,
        linux-block@...r.kernel.org, Christoph Hellwig <hch@....de>
Subject: Re: [PATCH] kernel: export task_work_add

On Wed, Sep 07, 2022 at 07:44:05AM -0600, Jens Axboe wrote:
> On the patch itself, it definitely makes sense in the context of ublk.
> My hesitation is mostly around not really wanting to export this to
> generic modular users. It's OK for core interfaces, of which ublk is
> on the way to becoming, but I really don't like the idea of random
> modules using it. But that's not really something we can manage with
> the export, it's either exported or it's not...

Yes, I'm really worried about folks doing stupid things with it.
Thinking of the whole loop saga..