From: Tejun Heo <tj@kernel.org>
To: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCH block/for-3.17-fixes/core] blk-mq, percpu_ref: implement a kludge for SCSI blk-mq stall during probe
Date: Tue, 23 Sep 2014 15:48:34 -0400 [thread overview]
Message-ID: <20140923194834.GA14111@mtj.dyndns.org> (raw)
In-Reply-To: <5421C9FF.5030903@kernel.dk>
Oops, I forgot to cc Kent. Kent, the patch is at
http://lkml.kernel.org/g/20140923192432.GA24441@mtj.dyndns.org
On Tue, Sep 23, 2014 at 01:29:03PM -0600, Jens Axboe wrote:
> The hack looks fine to me, if it passes Christophs boot stall test. The
> hack isn't THAT nasty, since you already have a series queued up to fix
> it for real for 3.18.
Yeah, then I can pull in block fixes branch into a percpu for-3.18
branch, revert the hack and then apply the patches to implement the
proper fix.
Thanks.
--
tejun
next prev parent reply other threads:[~2014-09-23 19:48 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-19 11:38 boot stall regression due to blk-mq: use percpu_ref for mq usage count Christoph Hellwig
2014-09-19 19:13 ` Jens Axboe
2014-09-23 5:55 ` Christoph Hellwig
2014-09-23 5:56 ` Tejun Heo
2014-09-23 5:57 ` Tejun Heo
2014-09-23 5:59 ` Christoph Hellwig
2014-09-23 6:01 ` Tejun Heo
2014-09-23 6:03 ` Tejun Heo
2014-09-23 6:09 ` Christoph Hellwig
2014-09-23 6:11 ` Tejun Heo
2014-09-23 14:57 ` Elliott, Robert (Server Storage)
2014-09-23 15:49 ` Jens Axboe
2014-09-23 19:24 ` [PATCH block/for-3.17-fixes/core] blk-mq, percpu_ref: implement a kludge for SCSI blk-mq stall during probe Tejun Heo
2014-09-23 19:29 ` Jens Axboe
2014-09-23 19:48 ` Tejun Heo [this message]
2014-09-24 8:23 ` Christoph Hellwig
2014-09-24 14:30 ` Jens Axboe
2014-09-24 14:33 ` Tejun Heo
2014-09-24 14:33 ` Jens Axboe
2014-09-24 17:20 ` [PATCH percpu/for-3.18] Revert "blk-mq, percpu_ref: implement a kludge for SCSI blk-mq stall during probe" Tejun Heo
2014-09-23 6:08 ` [PATCH block/for-3.18/core] blk-mq: start q->mq_usage_counter in atomic mode Tejun Heo
2014-09-24 17:33 ` Tejun Heo
2014-09-24 17:43 ` [PATCH percpu/for-3.18] blk-mq, percpu_ref: " Tejun Heo
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