linux-kernel - Re: boot stall regression due to blk-mq: use percpu

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Message-ID: <20140923055554.GA10189@lst.de>
Date:	Tue, 23 Sep 2014 07:55:54 +0200
From:	Christoph Hellwig <hch@....de>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	Christoph Hellwig <hch@....de>, Tejun Heo <tj@...nel.org>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: boot stall regression due to blk-mq: use percpu_ref for mq
	usage count

Jens,

can we simply get these commits reverted from now if there's no better
fix?  I'd hate to have this boot stall in the first kernel with blk-mq
support for scsi.

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