From: Christoph Hellwig <hch@lst.de>
To: Ming Lei <ming.lei@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Alan Stern <stern@rowland.harvard.edu>,
linux-pm@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Bart Van Assche <bart.vanassche@wdc.com>,
"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH RFC 4/4] scsi_mq: enable runtime PM
Date: Thu, 12 Jul 2018 09:17:58 +0200 [thread overview]
Message-ID: <20180712071758.GB15624@lst.de> (raw)
In-Reply-To: <20180712013642.GA15593@ming.t460p>
On Thu, Jul 12, 2018 at 09:36:49AM +0800, Ming Lei wrote:
> > As far as I can tell only ufs and libata support runtime PM, so
> > we should probably only enable it for those.
>
> For legacy path, blk_pm_runtime_init() is always run for all SCSI devices,
> and this patch just follows the old way, so that we can keep runtime PM
> behaviour not changed from user view. That means if we want to only enable
> for ufs & libata, it should be in another standalone patch, instead of
> this one.
Please add this to the series as a separate patch then.
next prev parent reply other threads:[~2018-07-12 7:17 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-11 16:29 [PATCH RFC 0/4] blk-mq: support runtime PM Ming Lei
2018-07-11 16:29 ` [PATCH RFC 1/4] blk-mq: introduce blk_mq_support_runtime_pm() Ming Lei
2018-07-11 17:10 ` Christoph Hellwig
2018-07-11 16:29 ` [PATCH RFC 2/4] blk-mq: introduce blk_mq_pm_queue_idle() Ming Lei
2018-07-11 17:11 ` Christoph Hellwig
2018-07-11 16:29 ` [PATCH RFC 3/4] blk-mq: prepare for supporting runtime PM Ming Lei
2018-07-11 17:19 ` Christoph Hellwig
2018-07-12 9:58 ` Ming Lei
2018-07-12 12:28 ` Ming Lei
2018-07-12 14:00 ` Jens Axboe
2018-07-12 21:32 ` Ming Lei
2018-07-12 21:44 ` Jens Axboe
2018-07-12 23:15 ` Ming Lei
2018-07-13 14:20 ` Jens Axboe
2018-07-13 20:27 ` Alan Stern
2018-07-13 20:39 ` Jens Axboe
2018-07-13 22:47 ` Ming Lei
2018-07-11 16:29 ` [PATCH RFC 4/4] scsi_mq: enable " Ming Lei
2018-07-11 17:14 ` Christoph Hellwig
2018-07-12 1:36 ` Ming Lei
2018-07-12 7:17 ` Christoph Hellwig [this message]
2018-07-12 12:21 ` Ming Lei
2018-07-11 17:28 ` Alan Stern
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