From: Daniel Wagner <dwagner@suse.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org,
Christoph Hellwig <hch@infradead.org>,
linux-kernel@vger.kernel.org, Ming Lei <ming.lei@redhat.com>
Subject: Re: [PATCH v2] blk-mq: Remove 'running from the wrong CPU' warning
Date: Wed, 16 Dec 2020 16:35:00 +0100 [thread overview]
Message-ID: <20201216153500.nevzjajj3wi7xio3@beryllium.lan> (raw)
In-Reply-To: <20201130171748.GC10078@infradead.org>
On Mon, Nov 30, 2020 at 05:17:48PM +0000, Christoph Hellwig wrote:
> On Mon, Nov 30, 2020 at 11:19:21AM +0100, Daniel Wagner wrote:
> > It's guaranteed that no request is in flight when a hctx is going
> > offline. This warning is only triggered when the wq's CPU is hot
> > plugged and the blk-mq is not synced up yet.
> >
> > As this state is temporary and the request is still processed
> > correctly, better remove the warning as this is the fast path.
> >
> > Suggested-by: Ming Lei <ming.lei@redhat.com>
> > Signed-off-by: Daniel Wagner <dwagner@suse.de>
>
> Looks good,
>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
Jens, any chance you queue this one up?
Thanks,
Daniel
next prev parent reply other threads:[~2020-12-16 15:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 10:19 [PATCH v2] blk-mq: Remove 'running from the wrong CPU' warning Daniel Wagner
2020-11-30 17:17 ` Christoph Hellwig
2020-12-16 15:35 ` Daniel Wagner [this message]
2020-12-01 2:09 ` Ming Lei
2020-12-16 15:47 ` Jens Axboe
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