From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Ming Lei <ming.lei@canonical.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] blk-mq: auto-start hw queue in requeue
Date: Fri, 19 Sep 2014 19:54:52 +0200 [thread overview]
Message-ID: <20140919175452.GA20333@lst.de> (raw)
In-Reply-To: <541C6D7B.5000005@kernel.dk>
On Fri, Sep 19, 2014 at 11:52:59AM -0600, Jens Axboe wrote:
> I agree. I think Ming wanted to avoid an unnecessary bitflip if
> possible, but the fix is more convoluted than I would like.
If the requeue from irq context ever ends up in the fast path we
have much worse problems..
next prev parent reply other threads:[~2014-09-19 17:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-19 14:22 [PATCH] blk-mq: auto-start hw queue in requeue Ming Lei
2014-09-19 17:48 ` Christoph Hellwig
2014-09-19 17:52 ` Jens Axboe
2014-09-19 17:54 ` Christoph Hellwig [this message]
2014-09-19 18:03 ` Jens Axboe
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